Merge branch 'feat-pdf'

.gitea/workflows/release.yaml

@@ -0,0 +1,65 @@
+name: Create and publish a Docker image
+
+# Configures this workflow to run every time a change is pushed to the branch called `release`.
+on:
+  push:
+    # branches: ['main']
+    tags:
+      - '*.*.*'
+  workflow_dispatch:
+
+# Defines two custom environment variables for the workflow. These are used for the Container registry domain,
+# and a name for the Docker image that this workflow builds.
+env:
+  REGISTRY: git.housh.dev
+  IMAGE_NAME: ${{ gitea.repository }}
+
+# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      # Uses the `docker/login-action` action to log in to the Container registry registry using the account
+      # and password that will publish the packages. Once published, the packages are scoped to the account defined here.
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ gitea.actor }}
+          password: ${{ secrets.CONTAINER_TOKEN }}
+      # This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels
+      # that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a
+      # subsequent step. The `images` value provides the base name for the tags and labels.
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=sha
+            type=raw,value=prod
+      # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If
+      # the build succeeds, it pushes the image to GitHub Packages. It uses the `context` parameter to define the build's context
+      # as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)"
+      # in the README of the `docker/build-push-action` repository.
+      # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
+      - name: Build and push Docker image
+        id: push
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          file: docker/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+

.gitignore

@@ -9,3 +9,7 @@ DerivedData/
 .swift-version
 node_modules/
 tailwindcss
+.envrc
+*.pdf
+.env
+.env*

Package.resolved

@@ -1,5 +1,5 @@
 {
-  "originHash" : "5d6dad57209ac74e3c47d8e8eb162768b81c9e63e15df87d29019d46a13cfec2",
+  "originHash" : "c3efcfd33bc1490f59ae406e4e5292027b2d01cafee9fc625652213505df50fb",
   "pins" : [
     {
       "identity" : "async-http-client",
@@ -226,6 +226,15 @@
         "version" : "4.2.0"
       }
     },
+    {
+      "identity" : "swift-custom-dump",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/pointfreeco/swift-custom-dump",
+      "state" : {
+        "revision" : "93a8aa4937030b606de42f44b17870249f49af0b",
+        "version" : "1.3.4"
+      }
+    },
     {
       "identity" : "swift-dependencies",
       "kind" : "remoteSourceControl",
@@ -361,6 +370,15 @@
         "version" : "2.9.1"
       }
     },
+    {
+      "identity" : "swift-snapshot-testing",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/pointfreeco/swift-snapshot-testing",
+      "state" : {
+        "revision" : "a8b7c5e0ed33d8ab8887d1654d9b59f2cbad529b",
+        "version" : "1.18.7"
+      }
+    },
     {
       "identity" : "swift-syntax",
       "kind" : "remoteSourceControl",

Package.swift

@@ -7,7 +7,13 @@ let package = Package(
   products: [
     .executable(name: "App", targets: ["App"]),
     .library(name: "ApiController", targets: ["ApiController"]),
+    .library(name: "AuthClient", targets: ["AuthClient"]),
     .library(name: "DatabaseClient", targets: ["DatabaseClient"]),
+    .library(name: "EnvClient", targets: ["EnvClient"]),
+    .library(name: "FileClient", targets: ["FileClient"]),
+    .library(name: "HTMLSnapshotTesting", targets: ["HTMLSnapshotTesting"]),
+    .library(name: "PdfClient", targets: ["PdfClient"]),
+    .library(name: "ProjectClient", targets: ["ProjectClient"]),
     .library(name: "ManualDCore", targets: ["ManualDCore"]),
     .library(name: "ManualDClient", targets: ["ManualDClient"]),
     .library(name: "Styleguide", targets: ["Styleguide"]),
@@ -19,6 +25,7 @@ let package = Package(
     .package(url: "https://github.com/vapor/fluent-sqlite-driver.git", from: "4.6.0"),
     .package(url: "https://github.com/apple/swift-nio.git", from: "2.65.0"),
     .package(url: "https://github.com/pointfreeco/swift-dependencies", from: "1.0.0"),
+    .package(url: "https://github.com/pointfreeco/swift-snapshot-testing", from: "1.12.0"),
     .package(url: "https://github.com/pointfreeco/swift-url-routing.git", from: "0.6.2"),
     .package(url: "https://github.com/pointfreeco/vapor-routing.git", from: "0.1.3"),
     .package(url: "https://github.com/pointfreeco/swift-case-paths.git", from: "1.6.0"),
@@ -31,6 +38,7 @@ let package = Package(
       name: "App",
       dependencies: [
         .target(name: "ApiController"),
+        .target(name: "AuthClient"),
         .target(name: "DatabaseClient"),
         .target(name: "ViewController"),
         .product(name: "Dependencies", package: "swift-dependencies"),
@@ -53,6 +61,15 @@ let package = Package(
         .product(name: "Vapor", package: "vapor"),
       ]
     ),
+    .target(
+      name: "AuthClient",
+      dependencies: [
+        .target(name: "DatabaseClient"),
+        .target(name: "ManualDCore"),
+        .product(name: "Dependencies", package: "swift-dependencies"),
+        .product(name: "DependenciesMacros", package: "swift-dependencies"),
+      ]
+    ),
     .target(
       name: "DatabaseClient",
       dependencies: [
@@ -63,6 +80,61 @@ let package = Package(
         .product(name: "Vapor", package: "vapor"),
       ]
     ),
+
+    .target(
+      name: "EnvClient",
+      dependencies: [
+        .product(name: "Dependencies", package: "swift-dependencies"),
+        .product(name: "DependenciesMacros", package: "swift-dependencies"),
+      ]
+    ),
+    .target(
+      name: "FileClient",
+      dependencies: [
+        .product(name: "Dependencies", package: "swift-dependencies"),
+        .product(name: "DependenciesMacros", package: "swift-dependencies"),
+        .product(name: "Vapor", package: "vapor"),
+      ]
+    ),
+    .target(
+      name: "HTMLSnapshotTesting",
+      dependencies: [
+        .product(name: "Elementary", package: "elementary"),
+        .product(name: "SnapshotTesting", package: "swift-snapshot-testing"),
+      ]
+    ),
+    .target(
+      name: "PdfClient",
+      dependencies: [
+        .target(name: "EnvClient"),
+        .target(name: "FileClient"),
+        .target(name: "ManualDCore"),
+        .product(name: "Dependencies", package: "swift-dependencies"),
+        .product(name: "DependenciesMacros", package: "swift-dependencies"),
+        .product(name: "Elementary", package: "elementary"),
+      ]
+    ),
+    .testTarget(
+      name: "PdfClientTests",
+      dependencies: [
+        .target(name: "HTMLSnapshotTesting"),
+        .target(name: "PdfClient"),
+        .product(name: "SnapshotTesting", package: "swift-snapshot-testing"),
+      ]
+      // ,
+      // resources: [
+      //   .copy("__Snapshots__")
+      // ]
+    ),
+    .target(
+      name: "ProjectClient",
+      dependencies: [
+        .target(name: "DatabaseClient"),
+        .target(name: "ManualDClient"),
+        .target(name: "PdfClient"),
+        .product(name: "Vapor", package: "vapor"),
+      ]
+    ),
     .target(
       name: "ManualDCore",
       dependencies: [
@@ -104,7 +176,10 @@ let package = Package(
     .target(
       name: "ViewController",
       dependencies: [
+        .target(name: "AuthClient"),
         .target(name: "DatabaseClient"),
+        .target(name: "PdfClient"),
+        .target(name: "ProjectClient"),
         .target(name: "ManualDClient"),
         .target(name: "ManualDCore"),
         .target(name: "Styleguide"),
@@ -115,5 +190,15 @@ let package = Package(
         .product(name: "Vapor", package: "vapor"),
       ]
     ),
+    .testTarget(
+      name: "ViewControllerTests",
+      dependencies: [
+        .target(name: "ViewController"),
+        .target(name: "HTMLSnapshotTesting"),
+      ],
+      resources: [
+        .copy("__Snapshots__")
+      ]
+    ),
   ]
 )

Public/css/htmx.css

@@ -0,0 +1,12 @@
+.htmx-indicator {
+	display: none;
+}
+
+.htmx-request .htmx-indicator {
+	display: inline;
+}
+
+.htmx-request.htmx-indicator {
+	display: inline;
+}
+

Public/css/main.css

@@ -1,5 +1,4 @@
 @import "tailwindcss";
 @plugin "daisyui" {
-	themes: light --default, dark --prefersdark, dracula;
+	themes: all;
 }
-

Public/css/pdf.css

@@ -0,0 +1,109 @@
+@media print {
+  body {
+    -webkit-print-color-adjust: exact;
+    color-adjust: exact;
+    print-color-adjust: exact;
+  }
+  table td, table th {
+    -webkit-print-color-adjust: exact;
+  }
+}
+* {
+	font-size: 12px;
+}
+h1 { font-size: 24px; }
+h2 { font-size: 16px; }
+
+table {
+	border-collapse: collapse;
+  max-width: 100%;
+	margin: 10px auto;
+	border: none !important;
+	border-style: none;
+}
+th, td {
+  padding: 10px;
+	border: none;
+	border-style: none;
+}
+.table-bordered {
+  border: 1px solid #ccc;
+}
+.table-bordered th, td {
+  border: 1px solid #ccc;
+}
+.table-bordered tr:nth-child(even) {
+  background-color: #f2f2f2;
+}
+.w-full {
+  width: 100%;
+}
+.w-half {
+  width: 50%;
+}
+.table-footer {
+  background-color: #75af4c;
+  color: white;
+  font-weight: bold;
+}
+.bg-green { 
+  background-color: #4CAF50;
+  color: white;
+}
+.heating {
+  color: red;
+}
+.coolingTotal {
+  color: blue;
+}
+.coolingSensible {
+  color: cyan;
+}
+.justify-end {
+  text-align: end;
+}
+.flex { 
+  display: flex; 
+  flex-wrap: wrap;
+  justify-content: space-between;
+  gap: 10px;
+}
+.flex table {
+  width: 50%;
+  margin: 0;
+  flex: 1 1 calc(50% - 10px);
+}
+.container {
+  display: flex;
+  width: 100%;
+  gap: 10px;
+}
+.table-container {
+  flex: 1;
+  min-width: 0;
+}
+.table-container table {
+  width: 100%;
+  border-collapse: collapse;
+}
+.customerTable {
+  width: 50%;
+}
+.section {
+  padding: 10px;
+}
+.label {
+  font-weight: bold;
+}
+.error {
+  color: red;
+  font-weight: bold;
+}
+.effectiveLengthGroupTable, .effectiveLengthGroupHeader {
+  background-color: white;
+  color: black;
+  font-weight: bold;
+}
+.headline {
+  padding: 10px 0;
+}

Public/js/htmx-download.js

@@ -0,0 +1,63 @@
+// Copied from: https://github.com/dakixr/htmx-download/blob/main/htmx-download.js
+htmx.defineExtension('htmx-download', {
+    onEvent: function(name, evt) {
+
+        if (name === 'htmx:beforeRequest') {
+            // Set the responseType to 'arraybuffer' to handle binary data
+            evt.detail.xhr.responseType = 'arraybuffer';
+        }
+
+        if (name === 'htmx:beforeSwap') {
+            const xhr = evt.detail.xhr;
+
+            if (xhr.status === 200) {
+                // Parse headers
+                const headers = {};
+                const headerStr = xhr.getAllResponseHeaders();
+                const headerArr = headerStr.trim().split(/[\r\n]+/);
+                headerArr.forEach((line) => {
+                    const parts = line.split(": ");
+                    const header = parts.shift().toLowerCase();
+                    const value = parts.join(": ");
+                    headers[header] = value;
+                });
+
+                // Extract filename
+                let filename = 'downloaded_file.xlsx';
+                if (headers['content-disposition']) {
+                    const filenameMatch = headers['content-disposition'].match(/filename\*?=(?:UTF-8'')?"?([^;\n"]+)/i);
+                    if (filenameMatch && filenameMatch[1]) {
+                        filename = decodeURIComponent(filenameMatch[1].replace(/['"]/g, ''));
+                    }
+                }
+                
+                // Determine MIME type
+                const mimetype = headers['content-type'] || 'application/octet-stream';
+
+                // Create Blob
+                const blob = new Blob([xhr.response], { type: mimetype });
+                const url = URL.createObjectURL(blob);
+
+                // Trigger download
+                const link = document.createElement("a");
+                link.style.display = "none";
+                link.href = url;
+                link.download = filename;
+                document.body.appendChild(link);
+                link.click();
+
+                // Cleanup
+                setTimeout(() => {
+                    URL.revokeObjectURL(url);
+                    link.remove();
+                }, 100);
+
+            } else {
+                console.warn(`[htmx-download] Unexpected response status: ${xhr.status}`);
+            }
+
+            // Prevent htmx from swapping content
+            evt.detail.shouldSwap = false;
+        }
+    },
+});

Public/site.webmanifest

@@ -0,0 +1 @@
+{"name":"","short_name":"","icons":[{"src":"/android-chrome-192x192.png","sizes":"192x192","type":"image/png"},{"src":"/android-chrome-512x512.png","sizes":"512x512","type":"image/png"}],"theme_color":"#ffffff","background_color":"#ffffff","display":"standalone"}

Sources/ApiController/Live.swift

@@ -33,6 +33,8 @@ extension SiteRoute.Api.ProjectRoute {
       return nil
     case .detail(let id, let route):
       switch route {
+      case .index:
+        return try await database.projects.detail(id)
       case .completedSteps:
         // FIX:
         fatalError()

Sources/App/Extensions/ViewController+respond.swift

@@ -12,11 +12,7 @@ extension ViewController {
       .init(
         route: route,
         isHtmxRequest: request.isHtmxRequest,
-        logger: request.logger,
-        authenticateUser: { request.session.authenticate($0) },
-        currentUser: {
-          try request.auth.require(User.self)
-        }
+        logger: request.logger
       )
     )
     return AnyHTMLResponse(value: html)

Sources/App/Middleware/DependenciesMiddleware.swift

@@ -1,12 +1,14 @@
 import ApiController
+import AuthClient
 import DatabaseClient
 import Dependencies
+import ManualDCore
+import PdfClient
 import Vapor
 import ViewController
 
 // Taken from discussions page on `swift-dependencies`.
 
-// FIX: Use live view controller.
 struct DependenciesMiddleware: AsyncMiddleware {
 
   private let values: DependencyValues.Continuation
@@ -29,9 +31,12 @@ struct DependenciesMiddleware: AsyncMiddleware {
     try await values.yield {
       try await withDependencies {
         $0.apiController = apiController
+        $0.authClient = .live(on: request)
         $0.database = database
         // $0.dateFormatter = .liveValue
         $0.viewController = viewController
+        $0.pdfClient = .liveValue
+        $0.fileClient = .live(fileIO: request.fileio)
       } operation: {
         try await next.respond(to: request)
       }

Sources/App/Middleware/ViewRoute+middleware.swift

@@ -14,10 +14,10 @@ private let viewRouteMiddleware: [any Middleware] = [
 extension SiteRoute.View {
   var middleware: [any Middleware]? {
     switch self {
-    case .project:
-      return viewRouteMiddleware
     case .login, .signup, .test:
       return nil
+    case .project, .user:
+      return viewRouteMiddleware
     }
   }
 }

Sources/App/configure.swift

@@ -5,6 +5,7 @@ import Fluent
 import FluentSQLiteDriver
 import ManualDCore
 import NIOSSL
+import ProjectClient
 import Vapor
 import VaporElementary
 @preconcurrency import VaporRouting
@@ -65,7 +66,7 @@ private func setupDatabase(
   let databaseClient = makeDatabaseClient(app.db)
 
   if app.environment != .testing {
-    try await app.migrations.add(databaseClient.migrations.run())
+    try await app.migrations.add(databaseClient.migrations())
   }
 
   return databaseClient
@@ -111,6 +112,8 @@ extension SiteRoute {
   }
 }
 
+extension DuctSizes: Content {}
+
 @Sendable
 private func siteHandler(
   request: Request,
@@ -118,12 +121,17 @@ private func siteHandler(
 ) async throws -> any AsyncResponseEncodable {
   @Dependency(\.apiController) var apiController
   @Dependency(\.viewController) var viewController
+  @Dependency(\.projectClient) var projectClient
 
   switch route {
   case .api(let route):
     return try await apiController.respond(route, request: request)
   case .health:
     return HTTPStatus.ok
+  // Generating a pdf return's a `Response` instead of `HTML` like other views, so we
+  // need to handle it seperately.
+  case .view(.project(.detail(let projectID, .pdf))):
+    return try await projectClient.generatePdf(projectID)
   case .view(let route):
     return try await viewController.respond(route: route, request: request)
   }

Sources/AuthClient/Interface.swift

@@ -0,0 +1,51 @@
+import DatabaseClient
+import Dependencies
+import DependenciesMacros
+import ManualDCore
+import Vapor
+
+extension DependencyValues {
+  public var authClient: AuthClient {
+    get { self[AuthClient.self] }
+    set { self[AuthClient.self] = newValue }
+  }
+}
+
+@DependencyClient
+public struct AuthClient: Sendable {
+  public var createAndLogin: @Sendable (User.Create) async throws -> User
+  public var currentUser: @Sendable () throws -> User
+  public var login: @Sendable (User.Login) async throws -> User
+  public var logout: @Sendable () throws -> Void
+}
+
+extension AuthClient: TestDependencyKey {
+  public static let testValue = Self()
+
+  public static func live(on request: Request) -> Self {
+    @Dependency(\.database) var database
+
+    return .init(
+      createAndLogin: { createForm in
+        let user = try await database.users.create(createForm)
+        _ = try await database.users.login(
+          .init(email: createForm.email, password: createForm.password)
+        )
+        request.auth.login(user)
+        request.logger.debug("LOGGED IN: \(user.id)")
+        return user
+      },
+      currentUser: {
+        try request.auth.require(User.self)
+      },
+      login: { loginForm in
+        let token = try await database.users.login(loginForm)
+        let user = try await database.users.get(token.userID)!
+        request.session.authenticate(user)
+        request.logger.debug("LOGGED IN: \(user.id)")
+        return user
+      },
+      logout: { request.auth.logout(User.self) }
+    )
+  }
+}

Sources/DatabaseClient/Interface.swift

@@ -18,8 +18,9 @@ public struct DatabaseClient: Sendable {
   public var equipment: Equipment
   public var componentLoss: ComponentLoss
   public var effectiveLength: EffectiveLengthClient
-  // public var rectangularDuct: RectangularDuct
   public var users: Users
+  public var userProfile: UserProfile
+  public var trunkSizes: TrunkSizes
 }
 
 extension DatabaseClient: TestDependencyKey {
@@ -30,8 +31,9 @@ extension DatabaseClient: TestDependencyKey {
     equipment: .testValue,
     componentLoss: .testValue,
     effectiveLength: .testValue,
-    // rectangularDuct: .testValue,
-    users: .testValue
+    users: .testValue,
+    userProfile: .testValue,
+    trunkSizes: .testValue
   )
 
   public static func live(database: any Database) -> Self {
@@ -42,8 +44,9 @@ extension DatabaseClient: TestDependencyKey {
       equipment: .live(database: database),
       componentLoss: .live(database: database),
       effectiveLength: .live(database: database),
-      // rectangularDuct: .live(database: database),
-      users: .live(database: database)
+      users: .live(database: database),
+      userProfile: .live(database: database),
+      trunkSizes: .live(database: database)
     )
   }
 }
@@ -52,6 +55,10 @@ extension DatabaseClient {
   @DependencyClient
   public struct Migrations: Sendable {
     public var run: @Sendable () async throws -> [any AsyncMigration]
+
+    public func callAsFunction() async throws -> [any AsyncMigration] {
+      try await self.run()
+    }
   }
 }
 
@@ -66,11 +73,12 @@ extension DatabaseClient.Migrations: DependencyKey {
         Project.Migrate(),
         User.Migrate(),
         User.Token.Migrate(),
+        User.Profile.Migrate(),
         ComponentPressureLoss.Migrate(),
         EquipmentInfo.Migrate(),
         Room.Migrate(),
         EffectiveLength.Migrate(),
-          // DuctSizing.RectangularDuct.Migrate(),
+        TrunkSize.Migrate(),
       ]
     }
   )

Sources/DatabaseClient/Projects.swift

@@ -9,6 +9,7 @@ extension DatabaseClient {
   public struct Projects: Sendable {
     public var create: @Sendable (User.ID, Project.Create) async throws -> Project
     public var delete: @Sendable (Project.ID) async throws -> Void
+    public var detail: @Sendable (Project.ID) async throws -> Project.Detail?
     public var get: @Sendable (Project.ID) async throws -> Project?
     public var getCompletedSteps: @Sendable (Project.ID) async throws -> Project.CompletedSteps
     public var getSensibleHeatRatio: @Sendable (Project.ID) async throws -> Double?
@@ -33,6 +34,44 @@ extension DatabaseClient.Projects: TestDependencyKey {
         }
         try await model.delete(on: database)
       },
+      detail: { id in
+        guard
+          let model = try await ProjectModel.query(on: database)
+            .with(\.$componentLosses)
+            .with(\.$equipment)
+            .with(\.$equivalentLengths)
+            .with(\.$rooms)
+            .with(
+              \.$trunks,
+              { trunk in
+                trunk.with(
+                  \.$rooms,
+                  {
+                    $0.with(\.$room)
+                  }
+                )
+              }
+            )
+            .filter(\.$id == id)
+            .first()
+        else {
+          throw NotFoundError()
+        }
+
+        // TODO: Different error ??
+        guard let equipmentInfo = model.equipment else { return nil }
+
+        let trunks = try model.trunks.toDTO()
+
+        return try .init(
+          project: model.toDTO(),
+          componentLosses: model.componentLosses.map { try $0.toDTO() },
+          equipmentInfo: equipmentInfo.toDTO(),
+          equivalentLengths: model.equivalentLengths.map { try $0.toDTO() },
+          rooms: model.rooms.map { try $0.toDTO() },
+          trunks: trunks
+        )
+      },
       get: { id in
         try await ProjectModel.find(id, on: database).map { try $0.toDTO() }
       },
@@ -66,16 +105,23 @@ extension DatabaseClient.Projects: TestDependencyKey {
           .first()
 
         return .init(
+          equipmentInfo: equipmentInfo != nil,
           rooms: roomsCount > 0,
           equivalentLength: equivalentLengthsCompleted,
-          frictionRate: equipmentInfo != nil && componentLosses > 0
+          frictionRate: componentLosses > 0
         )
       },
       getSensibleHeatRatio: { id in
-        guard let model = try await ProjectModel.find(id, on: database) else {
+        guard
+          let shr = try await ProjectModel.query(on: database)
+            .field(\.$id)
+            .field(\.$sensibleHeatRatio)
+            .filter(\.$id == id)
+            .first()
+        else {
           throw NotFoundError()
         }
-        return model.sensibleHeatRatio
+        return shr.sensibleHeatRatio
       },
       fetch: { userID, request in
         try await ProjectModel.query(on: database)
@@ -241,6 +287,18 @@ final class ProjectModel: Model, @unchecked Sendable {
   @Children(for: \.$project)
   var componentLosses: [ComponentLossModel]
 
+  @OptionalChild(for: \.$project)
+  var equipment: EquipmentModel?
+
+  @Children(for: \.$project)
+  var equivalentLengths: [EffectiveLengthModel]
+
+  @Children(for: \.$project)
+  var rooms: [RoomModel]
+
+  @Children(for: \.$project)
+  var trunks: [TrunkModel]
+
   @Parent(key: "userID")
   var user: UserModel
 

Sources/DatabaseClient/Rooms.swift

@@ -10,10 +10,11 @@ extension DatabaseClient {
     public var create: @Sendable (Room.Create) async throws -> Room
     public var delete: @Sendable (Room.ID) async throws -> Void
     public var deleteRectangularSize:
-      @Sendable (Room.ID, DuctSizing.RectangularDuct.ID) async throws -> Room
+      @Sendable (Room.ID, Room.RectangularSize.ID) async throws -> Room
     public var get: @Sendable (Room.ID) async throws -> Room?
     public var fetch: @Sendable (Project.ID) async throws -> [Room]
     public var update: @Sendable (Room.ID, Room.Update) async throws -> Room
+    public var updateRectangularSize: @Sendable (Room.ID, Room.RectangularSize) async throws -> Room
   }
 }
 
@@ -67,6 +68,19 @@ extension DatabaseClient.Rooms: TestDependencyKey {
           try await model.save(on: database)
         }
         return try model.toDTO()
+      },
+      updateRectangularSize: { id, size in
+        guard let model = try await RoomModel.find(id, on: database) else {
+          throw NotFoundError()
+        }
+        var rectangularSizes = model.rectangularSizes ?? []
+        rectangularSizes.removeAll {
+          $0.id == size.id
+        }
+        rectangularSizes.append(size)
+        model.rectangularSizes = rectangularSizes
+        try await model.save(on: database)
+        return try model.toDTO()
       }
     )
   }
@@ -189,7 +203,7 @@ final class RoomModel: Model, @unchecked Sendable {
   var registerCount: Int
 
   @Field(key: "rectangularSizes")
-  var rectangularSizes: [DuctSizing.RectangularDuct]?
+  var rectangularSizes: [Room.RectangularSize]?
 
   @Timestamp(key: "createdAt", on: .create, format: .iso8601)
   var createdAt: Date?
@@ -209,7 +223,7 @@ final class RoomModel: Model, @unchecked Sendable {
     coolingTotal: Double,
     coolingSensible: Double? = nil,
     registerCount: Int,
-    rectangularSizes: [DuctSizing.RectangularDuct]? = nil,
+    rectangularSizes: [Room.RectangularSize]? = nil,
     createdAt: Date? = nil,
     updatedAt: Date? = nil,
     projectID: Project.ID

Sources/DatabaseClient/TrunkSizes.swift

@@ -0,0 +1,369 @@
+import Dependencies
+import DependenciesMacros
+import Fluent
+import Foundation
+import ManualDCore
+
+extension DatabaseClient {
+  @DependencyClient
+  public struct TrunkSizes: Sendable {
+    public var create: @Sendable (TrunkSize.Create) async throws -> TrunkSize
+    public var delete: @Sendable (TrunkSize.ID) async throws -> Void
+    public var fetch: @Sendable (Project.ID) async throws -> [TrunkSize]
+    public var get: @Sendable (TrunkSize.ID) async throws -> TrunkSize?
+    public var update:
+      @Sendable (TrunkSize.ID, TrunkSize.Update) async throws ->
+        TrunkSize
+  }
+}
+
+extension DatabaseClient.TrunkSizes: TestDependencyKey {
+  public static let testValue = Self()
+
+  public static func live(database: any Database) -> Self {
+    .init(
+      create: { request in
+        try request.validate()
+
+        let trunk = request.toModel()
+        var roomProxies = [TrunkSize.RoomProxy]()
+
+        try await trunk.save(on: database)
+
+        for (roomID, registers) in request.rooms {
+          guard let room = try await RoomModel.find(roomID, on: database) else {
+            throw NotFoundError()
+          }
+          let model = try TrunkRoomModel(
+            trunkID: trunk.requireID(),
+            roomID: room.requireID(),
+            registers: registers,
+            type: request.type
+          )
+          try await model.save(on: database)
+          roomProxies.append(
+            .init(room: try room.toDTO(), registers: registers)
+          )
+        }
+
+        return try .init(
+          id: trunk.requireID(),
+          projectID: trunk.$project.id,
+          type: .init(rawValue: trunk.type)!,
+          rooms: roomProxies
+        )
+      },
+      delete: { id in
+        guard let model = try await TrunkModel.find(id, on: database) else {
+          throw NotFoundError()
+        }
+        try await model.delete(on: database)
+      },
+      fetch: { projectID in
+        try await TrunkModel.query(on: database)
+          .with(\.$project)
+          .with(\.$rooms, { $0.with(\.$room) })
+          .filter(\.$project.$id == projectID)
+          .all()
+          .toDTO()
+      },
+      get: { id in
+        guard
+          let model =
+            try await TrunkModel
+            .query(on: database)
+            .with(\.$rooms, { $0.with(\.$room) })
+            .filter(\.$id == id)
+            .first()
+        else {
+          return nil
+        }
+        return try model.toDTO()
+      },
+      update: { id, updates in
+        guard
+          let model =
+            try await TrunkModel
+            .query(on: database)
+            .with(\.$rooms, { $0.with(\.$room) })
+            .filter(\.$id == id)
+            .first()
+        else {
+          throw NotFoundError()
+        }
+        try updates.validate()
+        try await model.applyUpdates(updates, on: database)
+        return try model.toDTO()
+      }
+    )
+  }
+}
+
+extension TrunkSize.Create {
+
+  func validate() throws(ValidationError) {
+    guard rooms.count > 0 else {
+      throw ValidationError("Trunk size should have associated rooms / registers.")
+    }
+    if let height {
+      guard height > 0 else {
+        throw ValidationError("Trunk size height should be greater than 0.")
+      }
+    }
+  }
+
+  func toModel() -> TrunkModel {
+    .init(
+      projectID: projectID,
+      type: type,
+      height: height,
+      name: name
+    )
+  }
+}
+
+extension TrunkSize.Update {
+  func validate() throws(ValidationError) {
+    if let rooms {
+      guard rooms.count > 0 else {
+        throw ValidationError("Trunk size should have associated rooms / registers.")
+      }
+    }
+    if let height {
+      guard height > 0 else {
+        throw ValidationError("Trunk size height should be greater than 0.")
+      }
+    }
+  }
+}
+
+extension TrunkSize {
+
+  struct Migrate: AsyncMigration {
+    let name = "CreateTrunkSize"
+
+    func prepare(on database: any Database) async throws {
+      try await database.schema(TrunkModel.schema)
+        .id()
+        .field("height", .int8)
+        .field("name", .string)
+        .field("type", .string, .required)
+        .field(
+          "projectID", .uuid, .required, .references(ProjectModel.schema, "id", onDelete: .cascade)
+        )
+        .create()
+
+      try await database.schema(TrunkRoomModel.schema)
+        .id()
+        .field("registers", .array(of: .int), .required)
+        .field("type", .string, .required)
+        .field(
+          "trunkID", .uuid, .required, .references(TrunkModel.schema, "id", onDelete: .cascade)
+        )
+        .field(
+          "roomID", .uuid, .required, .references(RoomModel.schema, "id", onDelete: .cascade)
+        )
+        .unique(on: "trunkID", "roomID", "type")
+        .create()
+    }
+
+    func revert(on database: any Database) async throws {
+      try await database.schema(TrunkRoomModel.schema).delete()
+      try await database.schema(TrunkModel.schema).delete()
+    }
+  }
+}
+
+// Pivot table for associating rooms and trunks.
+final class TrunkRoomModel: Model, @unchecked Sendable {
+
+  static let schema = "room+trunk"
+
+  @ID(key: .id)
+  var id: UUID?
+
+  @Parent(key: "trunkID")
+  var trunk: TrunkModel
+
+  @Parent(key: "roomID")
+  var room: RoomModel
+
+  @Field(key: "registers")
+  var registers: [Int]
+
+  @Field(key: "type")
+  var type: String
+
+  init() {}
+
+  init(
+    id: UUID? = nil,
+    trunkID: TrunkModel.IDValue,
+    roomID: RoomModel.IDValue,
+    registers: [Int],
+    type: TrunkSize.TrunkType
+  ) {
+    self.id = id
+    $trunk.id = trunkID
+    $room.id = roomID
+    self.registers = registers
+    self.type = type.rawValue
+  }
+
+  func toDTO() throws -> TrunkSize.RoomProxy {
+    // guard let room = try await RoomModel.find($room.id, on: database) else {
+    //   throw NotFoundError()
+    // }
+    return .init(
+      room: try room.toDTO(),
+      registers: registers
+    )
+  }
+
+}
+
+final class TrunkModel: Model, @unchecked Sendable {
+
+  static let schema = "trunk"
+
+  @ID(key: .id)
+  var id: UUID?
+
+  @Parent(key: "projectID")
+  var project: ProjectModel
+
+  @OptionalField(key: "height")
+  var height: Int?
+
+  @Field(key: "type")
+  var type: String
+
+  @OptionalField(key: "name")
+  var name: String?
+
+  @Children(for: \.$trunk)
+  var rooms: [TrunkRoomModel]
+
+  init() {}
+
+  init(
+    id: UUID? = nil,
+    projectID: Project.ID,
+    type: TrunkSize.TrunkType,
+    height: Int? = nil,
+    name: String? = nil
+  ) {
+    self.id = id
+    $project.id = projectID
+    self.height = height
+    self.type = type.rawValue
+    self.name = name
+  }
+
+  func toDTO() throws -> TrunkSize {
+    // let rooms = try await withThrowingTaskGroup(of: TrunkSize.RoomProxy.self) { group in
+    //   for room in self.rooms {
+    //     group.addTask {
+    //       try await room.toDTO(on: database)
+    //     }
+    //   }
+    //
+    //   return try await group.reduce(into: [TrunkSize.RoomProxy]()) {
+    //     $0.append($1)
+    //   }
+    //
+    // }
+
+    let rooms = try rooms.reduce(into: [TrunkSize.RoomProxy]()) {
+      $0.append(try $1.toDTO())
+    }
+
+    return try .init(
+      id: requireID(),
+      projectID: $project.id,
+      type: .init(rawValue: type)!,
+      rooms: rooms,
+      height: height,
+      name: name
+    )
+
+  }
+
+  func applyUpdates(
+    _ updates: TrunkSize.Update,
+    on database: any Database
+  ) async throws {
+    if let type = updates.type, type.rawValue != self.type {
+      self.type = type.rawValue
+    }
+    if let height = updates.height, height != self.height {
+      self.height = height
+    }
+    if let name = updates.name, name != self.name {
+      self.name = name
+    }
+    if hasChanges {
+      try await self.save(on: database)
+    }
+
+    guard let updateRooms = updates.rooms else {
+      return
+    }
+
+    // Update rooms.
+    let rooms = try await TrunkRoomModel.query(on: database)
+      .with(\.$room)
+      .filter(\.$trunk.$id == requireID())
+      .all()
+
+    for (roomID, registers) in updateRooms {
+      if let currRoom = rooms.first(where: { $0.$room.id == roomID }) {
+        database.logger.debug("CURRENT ROOM: \(currRoom.room.name)")
+        if registers != currRoom.registers {
+          database.logger.debug("Updating registers for: \(currRoom.room.name)")
+          currRoom.registers = registers
+        }
+        if currRoom.hasChanges {
+          try await currRoom.save(on: database)
+        }
+      } else {
+        database.logger.debug("CREATING NEW TrunkRoomModel")
+        let newModel = try TrunkRoomModel(
+          trunkID: requireID(),
+          roomID: roomID,
+          registers: registers,
+          type: .init(rawValue: type)!
+        )
+        try await newModel.save(on: database)
+      }
+    }
+
+    let roomsToDelete = rooms.filter {
+      !updateRooms.keys.contains($0.$room.id)
+    }
+
+    for room in roomsToDelete {
+      try await room.delete(on: database)
+    }
+
+    database.logger.debug("DONE WITH UPDATES")
+
+  }
+}
+
+extension Array where Element == TrunkModel {
+
+  func toDTO() throws -> [TrunkSize] {
+    // try await withThrowingTaskGroup(of: TrunkSize.self) { group in
+    //   for model in self {
+    //     group.addTask {
+    //       try await model.toDTO(on: database)
+    //     }
+    //   }
+
+    return try reduce(into: [TrunkSize]()) {
+      $0.append(try $1.toDTO())
+    }
+  }
+  // }
+}

Sources/DatabaseClient/UserProfile.swift

@@ -0,0 +1,283 @@
+import Dependencies
+import DependenciesMacros
+import Fluent
+import ManualDCore
+import Vapor
+
+extension DatabaseClient {
+  @DependencyClient
+  public struct UserProfile: Sendable {
+    public var create: @Sendable (User.Profile.Create) async throws -> User.Profile
+    public var delete: @Sendable (User.Profile.ID) async throws -> Void
+    public var fetch: @Sendable (User.ID) async throws -> User.Profile?
+    public var get: @Sendable (User.Profile.ID) async throws -> User.Profile?
+    public var update: @Sendable (User.Profile.ID, User.Profile.Update) async throws -> User.Profile
+  }
+}
+
+extension DatabaseClient.UserProfile: TestDependencyKey {
+
+  public static let testValue = Self()
+
+  public static func live(database: any Database) -> Self {
+    .init(
+      create: { profile in
+        try profile.validate()
+        let model = profile.toModel()
+        try await model.save(on: database)
+        return try model.toDTO()
+      },
+      delete: { id in
+        guard let model = try await UserProfileModel.find(id, on: database) else {
+          throw NotFoundError()
+        }
+        try await model.delete(on: database)
+      },
+      fetch: { userID in
+        try await UserProfileModel.query(on: database)
+          .with(\.$user)
+          .filter(\.$user.$id == userID)
+          .first()
+          .map { try $0.toDTO() }
+      },
+      get: { id in
+        try await UserProfileModel.find(id, on: database)
+          .map { try $0.toDTO() }
+      },
+      update: { id, updates in
+        guard let model = try await UserProfileModel.find(id, on: database) else {
+          throw NotFoundError()
+        }
+        try updates.validate()
+        model.applyUpdates(updates)
+        if model.hasChanges {
+          try await model.save(on: database)
+        }
+        return try model.toDTO()
+      }
+    )
+  }
+}
+
+extension User.Profile.Create {
+
+  func validate() throws(ValidationError) {
+    guard !firstName.isEmpty else {
+      throw ValidationError("User first name should not be empty.")
+    }
+    guard !lastName.isEmpty else {
+      throw ValidationError("User last name should not be empty.")
+    }
+    guard !companyName.isEmpty else {
+      throw ValidationError("User company name should not be empty.")
+    }
+    guard !streetAddress.isEmpty else {
+      throw ValidationError("User street address should not be empty.")
+    }
+    guard !city.isEmpty else {
+      throw ValidationError("User city should not be empty.")
+    }
+    guard !state.isEmpty else {
+      throw ValidationError("User state should not be empty.")
+    }
+    guard !zipCode.isEmpty else {
+      throw ValidationError("User zip code should not be empty.")
+    }
+  }
+
+  func toModel() -> UserProfileModel {
+    .init(
+      userID: userID,
+      firstName: firstName,
+      lastName: lastName,
+      companyName: companyName,
+      streetAddress: streetAddress,
+      city: city,
+      state: state,
+      zipCode: zipCode,
+      theme: theme
+    )
+  }
+}
+
+extension User.Profile.Update {
+
+  func validate() throws(ValidationError) {
+    if let firstName {
+      guard !firstName.isEmpty else {
+        throw ValidationError("User first name should not be empty.")
+      }
+    }
+    if let lastName {
+      guard !lastName.isEmpty else {
+        throw ValidationError("User last name should not be empty.")
+      }
+    }
+    if let companyName {
+      guard !companyName.isEmpty else {
+        throw ValidationError("User company name should not be empty.")
+      }
+    }
+    if let streetAddress {
+      guard !streetAddress.isEmpty else {
+        throw ValidationError("User street address should not be empty.")
+      }
+    }
+    if let city {
+      guard !city.isEmpty else {
+        throw ValidationError("User city should not be empty.")
+      }
+    }
+    if let state {
+      guard !state.isEmpty else {
+        throw ValidationError("User state should not be empty.")
+      }
+    }
+    if let zipCode {
+      guard !zipCode.isEmpty else {
+        throw ValidationError("User zip code should not be empty.")
+      }
+    }
+  }
+}
+
+extension User.Profile {
+
+  struct Migrate: AsyncMigration {
+    let name = "Create UserProfile"
+
+    func prepare(on database: any Database) async throws {
+      try await database.schema(UserProfileModel.schema)
+        .id()
+        .field("firstName", .string, .required)
+        .field("lastName", .string, .required)
+        .field("companyName", .string, .required)
+        .field("streetAddress", .string, .required)
+        .field("city", .string, .required)
+        .field("state", .string, .required)
+        .field("zipCode", .string, .required)
+        .field("theme", .string)
+        .field("userID", .uuid, .references(UserModel.schema, "id", onDelete: .cascade))
+        .field("createdAt", .datetime)
+        .field("updatedAt", .datetime)
+        .unique(on: "userID")
+        .create()
+    }
+
+    func revert(on database: any Database) async throws {
+      try await database.schema(UserProfileModel.schema).delete()
+    }
+  }
+}
+
+final class UserProfileModel: Model, @unchecked Sendable {
+
+  static let schema = "user_profile"
+
+  @ID(key: .id)
+  var id: UUID?
+
+  @Parent(key: "userID")
+  var user: UserModel
+
+  @Field(key: "firstName")
+  var firstName: String
+
+  @Field(key: "lastName")
+  var lastName: String
+
+  @Field(key: "companyName")
+  var companyName: String
+
+  @Field(key: "streetAddress")
+  var streetAddress: String
+
+  @Field(key: "city")
+  var city: String
+
+  @Field(key: "state")
+  var state: String
+
+  @Field(key: "zipCode")
+  var zipCode: String
+
+  @Field(key: "theme")
+  var theme: String?
+
+  @Timestamp(key: "createdAt", on: .create, format: .iso8601)
+  var createdAt: Date?
+
+  @Timestamp(key: "updatedAt", on: .update, format: .iso8601)
+  var updatedAt: Date?
+
+  init() {}
+
+  init(
+    id: UUID? = nil,
+    userID: User.ID,
+    firstName: String,
+    lastName: String,
+    companyName: String,
+    streetAddress: String,
+    city: String,
+    state: String,
+    zipCode: String,
+    theme: Theme? = nil
+  ) {
+    self.id = id
+    $user.id = userID
+    self.firstName = firstName
+    self.lastName = lastName
+    self.companyName = companyName
+    self.streetAddress = streetAddress
+    self.city = city
+    self.state = state
+    self.zipCode = zipCode
+    self.theme = theme?.rawValue
+  }
+
+  func toDTO() throws -> User.Profile {
+    try .init(
+      id: requireID(),
+      userID: $user.id,
+      firstName: firstName,
+      lastName: lastName,
+      companyName: companyName,
+      streetAddress: streetAddress,
+      city: city,
+      state: state,
+      zipCode: zipCode,
+      theme: self.theme.flatMap(Theme.init),
+      createdAt: createdAt!,
+      updatedAt: updatedAt!
+    )
+  }
+
+  func applyUpdates(_ updates: User.Profile.Update) {
+    if let firstName = updates.firstName, firstName != self.firstName {
+      self.firstName = firstName
+    }
+    if let lastName = updates.lastName, lastName != self.lastName {
+      self.lastName = lastName
+    }
+    if let companyName = updates.companyName, companyName != self.companyName {
+      self.companyName = companyName
+    }
+    if let streetAddress = updates.streetAddress, streetAddress != self.streetAddress {
+      self.streetAddress = streetAddress
+    }
+    if let city = updates.city, city != self.city {
+      self.city = city
+    }
+    if let state = updates.state, state != self.state {
+      self.state = state
+    }
+    if let zipCode = updates.zipCode, zipCode != self.zipCode {
+      self.zipCode = zipCode
+    }
+    if let theme = updates.theme, theme.rawValue != self.theme {
+      self.theme = theme.rawValue
+    }
+  }
+
+}

Sources/DatabaseClient/Users.swift

@@ -80,12 +80,11 @@ extension User {
     func prepare(on database: any Database) async throws {
       try await database.schema(UserModel.schema)
         .id()
-        .field("username", .string, .required)
         .field("email", .string, .required)
         .field("password_hash", .string, .required)
         .field("createdAt", .datetime)
         .field("updatedAt", .datetime)
-        .unique(on: "email", "username")
+        .unique(on: "email")
         .create()
     }
 
@@ -104,6 +103,8 @@ extension User.Token {
         .id()
         .field("value", .string, .required)
         .field("user_id", .uuid, .required, .references(UserModel.schema, "id"))
+        .field("createdAt", .datetime)
+        .field("updatedAt", .datetime)
         .unique(on: "value")
         .create()
     }
@@ -126,13 +127,10 @@ extension User.Create {
 
   func toModel() throws -> UserModel {
     try validate()
-    return try .init(username: username, email: email, passwordHash: User.hashPassword(password))
+    return try .init(email: email, passwordHash: User.hashPassword(password))
   }
 
   func validate() throws {
-    guard !username.isEmpty else {
-      throw ValidationError("Username should not be empty.")
-    }
     guard !email.isEmpty else {
       throw ValidationError("Email should not be empty")
     }
@@ -152,9 +150,6 @@ final class UserModel: Model, @unchecked Sendable {
   @ID(key: .id)
   var id: UUID?
 
-  @Field(key: "username")
-  var username: String
-
   @Field(key: "email")
   var email: String
 
@@ -174,12 +169,10 @@ final class UserModel: Model, @unchecked Sendable {
 
   init(
     id: UUID? = nil,
-    username: String,
     email: String,
     passwordHash: String
   ) {
     self.id = id
-    self.username = username
     self.email = email
     self.passwordHash = passwordHash
   }
@@ -188,7 +181,6 @@ final class UserModel: Model, @unchecked Sendable {
     try .init(
       id: requireID(),
       email: email,
-      username: username,
       createdAt: createdAt!,
       updatedAt: updatedAt!
     )
@@ -237,7 +229,7 @@ final class UserTokenModel: Model, Codable, @unchecked Sendable {
 
 extension User: Authenticatable {}
 extension User: SessionAuthenticatable {
-  public var sessionID: String { username }
+  public var sessionID: String { email }
 }
 
 public struct UserPasswordAuthenticator: AsyncBasicAuthenticator {
@@ -248,7 +240,7 @@ public struct UserPasswordAuthenticator: AsyncBasicAuthenticator {
   public func authenticate(basic: BasicAuthorization, for request: Request) async throws {
     guard
       let user = try await UserModel.query(on: request.db)
-        .filter(\UserModel.$username == basic.username)
+        .filter(\UserModel.$email == basic.username)
         .first(),
       try user.verifyPassword(basic.password)
     else {
@@ -284,7 +276,7 @@ public struct UserSessionAuthenticator: AsyncSessionAuthenticator {
   public func authenticate(sessionID: User.SessionID, for request: Request) async throws {
     guard
       let user = try await UserModel.query(on: request.db)
-        .filter(\UserModel.$username == sessionID)
+        .filter(\UserModel.$email == sessionID)
         .first()
     else {
       throw Abort(.unauthorized)

Sources/EnvClient/Interface.swift

@@ -0,0 +1,74 @@
+import Dependencies
+import DependenciesMacros
+import Foundation
+
+extension DependencyValues {
+
+  /// Holds values defined in the process environment that are needed.
+  ///
+  /// These are generally loaded from a `.env` file, but also have default values,
+  /// if not found.
+  public var env: @Sendable () throws -> EnvVars {
+    get { self[EnvClient.self].env }
+    set { self[EnvClient.self].env = newValue }
+  }
+}
+
+@DependencyClient
+struct EnvClient: Sendable {
+  public var env: @Sendable () throws -> EnvVars
+}
+
+/// Holds values defined in the process environment that are needed.
+///
+/// These are generally loaded from a `.env` file, but also have default values,
+/// if not found.
+public struct EnvVars: Codable, Equatable, Sendable {
+
+  /// The path to the pandoc executable on the system, used to generate pdf's.
+  public let pandocPath: String
+
+  /// The pdf engine to use with pandoc when creating pdf's.
+  public let pdfEngine: String
+
+  public init(
+    pandocPath: String = "/usr/bin/pandoc",
+    pdfEngine: String = "weasyprint"
+  ) {
+    self.pandocPath = pandocPath
+    self.pdfEngine = pdfEngine
+  }
+
+  enum CodingKeys: String, CodingKey {
+    case pandocPath = "PANDOC_PATH"
+    case pdfEngine = "PDF_ENGINE"
+  }
+
+}
+
+extension EnvClient: DependencyKey {
+  static let testValue = Self()
+
+  static let liveValue = Self(env: {
+    // Convert default values into a dictionary.
+    let defaults =
+      (try? encoder.encode(EnvVars()))
+      .flatMap { try? decoder.decode([String: String].self, from: $0) }
+      ?? [:]
+
+    // Merge the default values with values found in process environment.
+    let assigned = defaults.merging(ProcessInfo.processInfo.environment, uniquingKeysWith: { $1 })
+
+    return (try? JSONSerialization.data(withJSONObject: assigned))
+      .flatMap { try? decoder.decode(EnvVars.self, from: $0) }
+      ?? .init()
+  })
+}
+
+private let encoder: JSONEncoder = {
+  JSONEncoder()
+}()
+
+private let decoder: JSONDecoder = {
+  JSONDecoder()
+}()

Sources/FileClient/Interface.swift

@@ -0,0 +1,40 @@
+import Dependencies
+import DependenciesMacros
+import Foundation
+import Vapor
+
+extension DependencyValues {
+  public var fileClient: FileClient {
+    get { self[FileClient.self] }
+    set { self[FileClient.self] = newValue }
+  }
+}
+
+@DependencyClient
+public struct FileClient: Sendable {
+  public typealias OnCompleteHandler = @Sendable () async throws -> Void
+
+  public var writeFile: @Sendable (String, String) async throws -> Void
+  public var removeFile: @Sendable (String) async throws -> Void
+  public var streamFile: @Sendable (String, @escaping OnCompleteHandler) async throws -> Response
+}
+
+extension FileClient: TestDependencyKey {
+  public static let testValue = Self()
+
+  public static func live(fileIO: FileIO) -> Self {
+    .init(
+      writeFile: { contents, path in
+        try await fileIO.writeFile(ByteBuffer(string: contents), at: path)
+      },
+      removeFile: { path in
+        try FileManager.default.removeItem(atPath: path)
+      },
+      streamFile: { path, onComplete in
+        try await fileIO.asyncStreamFile(at: path) { _ in
+          try await onComplete()
+        }
+      }
+    )
+  }
+}

Sources/HTMLSnapshotTesting/Snapshotting.swift

@@ -0,0 +1,22 @@
+import Elementary
+import SnapshotTesting
+
+extension Snapshotting where Value == (any HTML), Format == String {
+  public static var html: Snapshotting {
+    var snapshotting = SimplySnapshotting.lines
+      .pullback { (html: any HTML) in html.renderFormatted() }
+
+    snapshotting.pathExtension = "html"
+    return snapshotting
+  }
+}
+
+extension Snapshotting where Value == String, Format == String {
+  public static var html: Snapshotting {
+    var snapshotting = SimplySnapshotting.lines
+      .pullback { $0 }
+
+    snapshotting.pathExtension = "html"
+    return snapshotting
+  }
+}

Sources/ManualDClient/Helpers.swift

@@ -14,6 +14,38 @@ extension Room {
   }
 }
 
+extension TrunkSize.RoomProxy {
+
+  // We need to make sure if registers got removed after a trunk
+  // was already made / saved that we do not include registers that
+  // no longer exist.
+  private var actualRegisterCount: Int {
+    guard registers.count <= room.registerCount else {
+      return room.registerCount
+    }
+    return registers.count
+  }
+
+  var totalHeatingLoad: Double {
+    room.heatingLoadPerRegister * Double(actualRegisterCount)
+  }
+
+  func totalCoolingSensible(projectSHR: Double) -> Double {
+    room.coolingSensiblePerRegister(projectSHR: projectSHR) * Double(actualRegisterCount)
+  }
+}
+
+extension TrunkSize {
+
+  var totalHeatingLoad: Double {
+    rooms.reduce(into: 0) { $0 += $1.totalHeatingLoad }
+  }
+
+  func totalCoolingSensible(projectSHR: Double) -> Double {
+    rooms.reduce(into: 0) { $0 += $1.totalCoolingSensible(projectSHR: projectSHR) }
+  }
+}
+
 extension ComponentPressureLosses {
   var totalLosses: Double { values.reduce(0) { $0 + $1 } }
 }
@@ -32,6 +64,8 @@ func roundSize(_ size: Double) throws -> Int {
     throw ManualDError(message: "Size should be less than 24.")
   }
 
+  // let size = size.rounded(.toNearestOrEven)
+
   switch size {
   case 0..<4:
     return 4

Sources/ManualDClient/Interface.swift

@@ -0,0 +1,129 @@
+import Dependencies
+import DependenciesMacros
+import Logging
+import ManualDCore
+
+extension DependencyValues {
+  public var manualD: ManualDClient {
+    get { self[ManualDClient.self] }
+    set { self[ManualDClient.self] = newValue }
+  }
+}
+
+/// Performs manual-d duct sizing calculations.
+///
+///
+@DependencyClient
+public struct ManualDClient: Sendable {
+  public var ductSize: @Sendable (DuctSizeRequest) async throws -> DuctSizeResponse
+  public var frictionRate: @Sendable (FrictionRateRequest) async throws -> FrictionRate
+  public var totalEquivalentLength: @Sendable (TotalEquivalentLengthRequest) async throws -> Int
+  public var rectangularSize:
+    @Sendable (RectangularSizeRequest) async throws -> RectangularSizeResponse
+
+}
+
+extension ManualDClient: TestDependencyKey {
+  public static let testValue = Self()
+}
+
+extension ManualDClient {
+
+  public struct DuctSizeRequest: Codable, Equatable, Sendable {
+    public let designCFM: Int
+    public let frictionRate: Double
+
+    public init(
+      designCFM: Int,
+      frictionRate: Double
+    ) {
+      self.designCFM = designCFM
+      self.frictionRate = frictionRate
+    }
+  }
+
+  public struct DuctSizeResponse: Codable, Equatable, Sendable {
+
+    public let calculatedSize: Double
+    public let finalSize: Int
+    public let flexSize: Int
+    public let velocity: Int
+
+    public init(
+      calculatedSize: Double,
+      finalSize: Int,
+      flexSize: Int,
+      velocity: Int
+    ) {
+      self.calculatedSize = calculatedSize
+      self.finalSize = finalSize
+      self.flexSize = flexSize
+      self.velocity = velocity
+    }
+  }
+
+  public struct FrictionRateRequest: Codable, Equatable, Sendable {
+
+    public let externalStaticPressure: Double
+    public let componentPressureLosses: [ComponentPressureLoss]
+    public let totalEffectiveLength: Int
+
+    public init(
+      externalStaticPressure: Double,
+      componentPressureLosses: [ComponentPressureLoss],
+      totalEffectiveLength: Int
+    ) {
+      self.externalStaticPressure = externalStaticPressure
+      self.componentPressureLosses = componentPressureLosses
+      self.totalEffectiveLength = totalEffectiveLength
+    }
+  }
+
+  public struct FrictionRateResponse: Codable, Equatable, Sendable {
+
+    public let availableStaticPressure: Double
+    public let frictionRate: Double
+
+    public init(availableStaticPressure: Double, frictionRate: Double) {
+      self.availableStaticPressure = availableStaticPressure
+      self.frictionRate = frictionRate
+    }
+  }
+
+  public struct TotalEquivalentLengthRequest: Codable, Equatable, Sendable {
+
+    public let trunkLengths: [Int]
+    public let runoutLengths: [Int]
+    public let effectiveLengthGroups: [EffectiveLengthGroup]
+
+    public init(
+      trunkLengths: [Int],
+      runoutLengths: [Int],
+      effectiveLengthGroups: [EffectiveLengthGroup]
+    ) {
+      self.trunkLengths = trunkLengths
+      self.runoutLengths = runoutLengths
+      self.effectiveLengthGroups = effectiveLengthGroups
+    }
+  }
+
+  public struct RectangularSizeRequest: Codable, Equatable, Sendable {
+    public let roundSize: Int
+    public let height: Int
+
+    public init(round roundSize: Int, height: Int) {
+      self.roundSize = roundSize
+      self.height = height
+    }
+  }
+
+  public struct RectangularSizeResponse: Codable, Equatable, Sendable {
+    public let height: Int
+    public let width: Int
+
+    public init(height: Int, width: Int) {
+      self.height = height
+      self.width = width
+    }
+  }
+}

Sources/ManualDClient/Live.swift

@@ -13,7 +13,7 @@ extension ManualDClient: DependencyKey {
       let finalSize = try roundSize(ductulatorSize)
       let flexSize = try flexSize(request)
       return .init(
-        ductulatorSize: ductulatorSize,
+        calculatedSize: ductulatorSize,
         finalSize: finalSize,
         flexSize: flexSize,
         velocity: velocity(cfm: request.designCFM, roundSize: finalSize)
@@ -25,36 +25,20 @@ extension ManualDClient: DependencyKey {
         throw ManualDError(message: "Total Effective Length should be greater than 0.")
       }
 
-      let totalComponentLosses = request.componentPressureLosses.totalComponentPressureLoss
+      let totalComponentLosses = request.componentPressureLosses.total
       let availableStaticPressure = request.externalStaticPressure - totalComponentLosses
       let frictionRate = availableStaticPressure * 100.0 / Double(request.totalEffectiveLength)
-      return .init(availableStaticPressure: availableStaticPressure, frictionRate: frictionRate)
+      return .init(availableStaticPressure: availableStaticPressure, value: frictionRate)
     },
-    totalEffectiveLength: { request in
+    totalEquivalentLength: { request in
       let trunkLengths = request.trunkLengths.reduce(0) { $0 + $1 }
       let runoutLengths = request.runoutLengths.reduce(0) { $0 + $1 }
       let groupLengths = request.effectiveLengthGroups.totalEffectiveLength
       return trunkLengths + runoutLengths + groupLengths
     },
-    equivalentRectangularDuct: { request in
+    rectangularSize: { request in
       let width = (Double.pi * (pow(Double(request.roundSize) / 2.0, 2.0))) / Double(request.height)
-      // Round the width up or fail (really should never fail since we know the input is a number).
-      guard let widthStr = numberFormatter.string(for: width),
-        let widthInt = Int(widthStr)
-      else {
-        throw ManualDError(
-          message: "Failed to convert to to rectangular duct size, width: \(width)"
-        )
-      }
-      return .init(height: request.height, width: widthInt)
+      return .init(height: request.height, width: Int(width.rounded(.toNearestOrEven)))
     }
   )
 }
-
-private let numberFormatter: NumberFormatter = {
-  let formatter = NumberFormatter()
-  formatter.maximumFractionDigits = 0
-  formatter.minimumFractionDigits = 0
-  formatter.roundingMode = .ceiling
-  return formatter
-}()

Sources/ManualDClient/ManualDClient.swift

@@ -1,200 +0,0 @@
-import Dependencies
-import DependenciesMacros
-import Logging
-import ManualDCore
-
-@DependencyClient
-public struct ManualDClient: Sendable {
-  public var ductSize: @Sendable (DuctSizeRequest) async throws -> DuctSizeResponse
-  public var frictionRate: @Sendable (FrictionRateRequest) async throws -> FrictionRateResponse
-  public var totalEffectiveLength: @Sendable (TotalEffectiveLengthRequest) async throws -> Int
-  public var equivalentRectangularDuct:
-    @Sendable (EquivalentRectangularDuctRequest) async throws -> EquivalentRectangularDuctResponse
-
-  public func calculateSizes(
-    rooms: [Room],
-    equipmentInfo: EquipmentInfo,
-    maxSupplyLength: EffectiveLength,
-    maxReturnLength: EffectiveLength,
-    designFrictionRate: Double,
-    projectSHR: Double,
-    logger: Logger? = nil
-  ) async throws -> [DuctSizing.RoomContainer] {
-
-    var registerIDCount = 1
-    var retval: [DuctSizing.RoomContainer] = []
-    let totalHeatingLoad = rooms.totalHeatingLoad
-    let totalCoolingSensible = rooms.totalCoolingSensible(shr: projectSHR)
-
-    for room in rooms {
-      let heatingLoad = room.heatingLoadPerRegister
-      let coolingLoad = room.coolingSensiblePerRegister(projectSHR: projectSHR)
-      let heatingPercent = heatingLoad / totalHeatingLoad
-      let coolingPercent = coolingLoad / totalCoolingSensible
-      let heatingCFM = heatingPercent * Double(equipmentInfo.heatingCFM)
-      let coolingCFM = coolingPercent * Double(equipmentInfo.coolingCFM)
-      let designCFM = DuctSizing.DesignCFM(heating: heatingCFM, cooling: coolingCFM)
-      let sizes = try await self.ductSize(
-        .init(designCFM: Int(designCFM.value), frictionRate: designFrictionRate)
-      )
-
-      for n in 1...room.registerCount {
-
-        var rectangularWidth: Int? = nil
-        let rectangularSize = room.rectangularSizes?
-          .first(where: { $0.register == nil || $0.register == n })
-
-        if let rectangularSize {
-          let response = try await self.equivalentRectangularDuct(
-            .init(round: sizes.finalSize, height: rectangularSize.height)
-          )
-          rectangularWidth = response.width
-        }
-
-        retval.append(
-          .init(
-            registerID: "SR-\(registerIDCount)",
-            roomID: room.id,
-            roomName: "\(room.name)-\(n)",
-            heatingLoad: heatingLoad,
-            coolingLoad: coolingLoad,
-            heatingCFM: heatingCFM,
-            coolingCFM: coolingCFM,
-            designCFM: designCFM,
-            roundSize: sizes.ductulatorSize,
-            finalSize: sizes.finalSize,
-            velocity: sizes.velocity,
-            flexSize: sizes.flexSize,
-            rectangularSize: rectangularSize,
-            rectangularWidth: rectangularWidth
-          )
-        )
-        registerIDCount += 1
-      }
-    }
-
-    return retval
-  }
-
-}
-
-extension ManualDClient: TestDependencyKey {
-  public static let testValue = Self()
-}
-
-extension DependencyValues {
-  public var manualD: ManualDClient {
-    get { self[ManualDClient.self] }
-    set { self[ManualDClient.self] = newValue }
-  }
-}
-
-// MARK: Duct Size
-extension ManualDClient {
-  public struct DuctSizeRequest: Codable, Equatable, Sendable {
-    public let designCFM: Int
-    public let frictionRate: Double
-
-    public init(
-      designCFM: Int,
-      frictionRate: Double
-    ) {
-      self.designCFM = designCFM
-      self.frictionRate = frictionRate
-    }
-  }
-
-  public struct DuctSizeResponse: Codable, Equatable, Sendable {
-
-    public let ductulatorSize: Double
-    public let finalSize: Int
-    public let flexSize: Int
-    public let velocity: Int
-
-    public init(
-      ductulatorSize: Double,
-      finalSize: Int,
-      flexSize: Int,
-      velocity: Int
-    ) {
-      self.ductulatorSize = ductulatorSize
-      self.finalSize = finalSize
-      self.flexSize = flexSize
-      self.velocity = velocity
-    }
-  }
-}
-
-// MARK: -  Friction Rate
-extension ManualDClient {
-  public struct FrictionRateRequest: Codable, Equatable, Sendable {
-
-    public let externalStaticPressure: Double
-    public let componentPressureLosses: [ComponentPressureLoss]
-    public let totalEffectiveLength: Int
-
-    public init(
-      externalStaticPressure: Double,
-      componentPressureLosses: [ComponentPressureLoss],
-      totalEffectiveLength: Int
-    ) {
-      self.externalStaticPressure = externalStaticPressure
-      self.componentPressureLosses = componentPressureLosses
-      self.totalEffectiveLength = totalEffectiveLength
-    }
-  }
-
-  public struct FrictionRateResponse: Codable, Equatable, Sendable {
-
-    public let availableStaticPressure: Double
-    public let frictionRate: Double
-
-    public init(availableStaticPressure: Double, frictionRate: Double) {
-      self.availableStaticPressure = availableStaticPressure
-      self.frictionRate = frictionRate
-    }
-  }
-}
-
-// MARK: Total Effective Length
-extension ManualDClient {
-  public struct TotalEffectiveLengthRequest: Codable, Equatable, Sendable {
-
-    public let trunkLengths: [Int]
-    public let runoutLengths: [Int]
-    public let effectiveLengthGroups: [EffectiveLengthGroup]
-
-    public init(
-      trunkLengths: [Int],
-      runoutLengths: [Int],
-      effectiveLengthGroups: [EffectiveLengthGroup]
-    ) {
-      self.trunkLengths = trunkLengths
-      self.runoutLengths = runoutLengths
-      self.effectiveLengthGroups = effectiveLengthGroups
-    }
-  }
-}
-
-// MARK: Equivalent Rectangular Duct
-extension ManualDClient {
-  public struct EquivalentRectangularDuctRequest: Codable, Equatable, Sendable {
-    public let roundSize: Int
-    public let height: Int
-
-    public init(round roundSize: Int, height: Int) {
-      self.roundSize = roundSize
-      self.height = height
-    }
-  }
-
-  public struct EquivalentRectangularDuctResponse: Codable, Equatable, Sendable {
-    public let height: Int
-    public let width: Int
-
-    public init(height: Int, width: Int) {
-      self.height = height
-      self.width = width
-    }
-  }
-}

Sources/ManualDCore/ComponentPressureLosses.swift

@@ -1,3 +1,4 @@
+import Dependencies
 import Foundation
 
 public struct ComponentPressureLoss: Codable, Equatable, Identifiable, Sendable {
@@ -69,7 +70,7 @@ extension ComponentPressureLoss {
 }
 
 extension Array where Element == ComponentPressureLoss {
-  public var totalComponentPressureLoss: Double {
+  public var total: Double {
     reduce(into: 0) { $0 += $1.value }
   }
 }
@@ -89,7 +90,61 @@ public typealias ComponentPressureLosses = [String: Double]
     }
   }
 
+  extension Array where Element == ComponentPressureLoss {
+    public static func mock(projectID: Project.ID) -> Self {
+      ComponentPressureLoss.mock(projectID: projectID)
+    }
+  }
+
   extension ComponentPressureLoss {
+    public static func mock(projectID: Project.ID) -> [Self] {
+      @Dependency(\.uuid) var uuid
+      @Dependency(\.date.now) var now
+
+      return [
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "evaporator-coil",
+          value: 0.2,
+          createdAt: now,
+          updatedAt: now
+        ),
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "filter",
+          value: 0.1,
+          createdAt: now,
+          updatedAt: now
+        ),
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "supply-outlet",
+          value: 0.03,
+          createdAt: now,
+          updatedAt: now
+        ),
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "return-grille",
+          value: 0.03,
+          createdAt: now,
+          updatedAt: now
+        ),
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "balancing-damper",
+          value: 0.03,
+          createdAt: now,
+          updatedAt: now
+        ),
+      ]
+    }
+
     public static var mock: [Self] {
       [
         .init(

Sources/ManualDCore/DuctSizes.swift

@@ -0,0 +1,256 @@
+import Dependencies
+import Foundation
+
+public struct DuctSizes: Codable, Equatable, Sendable {
+
+  public let rooms: [RoomContainer]
+  public let trunks: [TrunkContainer]
+
+  public init(
+    rooms: [DuctSizes.RoomContainer],
+    trunks: [DuctSizes.TrunkContainer]
+  ) {
+    self.rooms = rooms
+    self.trunks = trunks
+  }
+}
+
+extension DuctSizes {
+
+  public struct SizeContainer: Codable, Equatable, Sendable {
+
+    public let rectangularID: Room.RectangularSize.ID?
+    public let designCFM: DesignCFM
+    public let roundSize: Double
+    public let finalSize: Int
+    public let velocity: Int
+    public let flexSize: Int
+    public let height: Int?
+    public let width: Int?
+
+    public init(
+      rectangularID: Room.RectangularSize.ID? = nil,
+      designCFM: DuctSizes.DesignCFM,
+      roundSize: Double,
+      finalSize: Int,
+      velocity: Int,
+      flexSize: Int,
+      height: Int? = nil,
+      width: Int? = nil
+    ) {
+      self.rectangularID = rectangularID
+      self.designCFM = designCFM
+      self.roundSize = roundSize
+      self.finalSize = finalSize
+      self.velocity = velocity
+      self.flexSize = flexSize
+      self.height = height
+      self.width = width
+    }
+  }
+
+  @dynamicMemberLookup
+  public struct RoomContainer: Codable, Equatable, Sendable {
+
+    public let roomID: Room.ID
+    public let roomName: String
+    public let roomRegister: Int
+    public let heatingLoad: Double
+    public let coolingLoad: Double
+    public let heatingCFM: Double
+    public let coolingCFM: Double
+    public let ductSize: SizeContainer
+
+    public init(
+      roomID: Room.ID,
+      roomName: String,
+      roomRegister: Int,
+      heatingLoad: Double,
+      coolingLoad: Double,
+      heatingCFM: Double,
+      coolingCFM: Double,
+      ductSize: SizeContainer
+    ) {
+      self.roomID = roomID
+      self.roomName = roomName
+      self.roomRegister = roomRegister
+      self.heatingLoad = heatingLoad
+      self.coolingLoad = coolingLoad
+      self.heatingCFM = heatingCFM
+      self.coolingCFM = coolingCFM
+      self.ductSize = ductSize
+    }
+
+    public subscript<T>(dynamicMember keyPath: KeyPath<DuctSizes.SizeContainer, T>) -> T {
+      ductSize[keyPath: keyPath]
+    }
+  }
+
+  public enum DesignCFM: Codable, Equatable, Sendable {
+    case heating(Double)
+    case cooling(Double)
+
+    public init(heating: Double, cooling: Double) {
+      if heating >= cooling {
+        self = .heating(heating)
+      } else {
+        self = .cooling(cooling)
+      }
+    }
+
+    public var value: Double {
+      switch self {
+      case .heating(let value): return value
+      case .cooling(let value): return value
+      }
+    }
+  }
+
+  // Represents the database model that the duct sizes have been calculated
+  // for.
+  @dynamicMemberLookup
+  public struct TrunkContainer: Codable, Equatable, Identifiable, Sendable {
+    public var id: TrunkSize.ID { trunk.id }
+
+    public let trunk: TrunkSize
+    public let ductSize: SizeContainer
+
+    public init(
+      trunk: TrunkSize,
+      ductSize: SizeContainer
+    ) {
+      self.trunk = trunk
+      self.ductSize = ductSize
+    }
+
+    public subscript<T>(dynamicMember keyPath: KeyPath<TrunkSize, T>) -> T {
+      trunk[keyPath: keyPath]
+    }
+
+    public subscript<T>(dynamicMember keyPath: KeyPath<DuctSizes.SizeContainer, T>) -> T {
+      ductSize[keyPath: keyPath]
+    }
+
+    public func registerIDS(rooms: [RoomContainer]) -> [String] {
+      trunk.rooms.reduce(into: []) { array, room in
+        array = room.registers.reduce(into: array) { array, register in
+          if let room =
+            rooms
+            .first(where: { $0.roomID == room.id && $0.roomRegister == register })
+          {
+            array.append(room.roomName)
+          }
+        }
+      }
+      .sorted()
+    }
+  }
+}
+
+#if DEBUG
+  extension DuctSizes {
+    public static func mock(
+      equipmentInfo: EquipmentInfo,
+      rooms: [Room],
+      trunks: [TrunkSize]
+    ) -> Self {
+
+      let totalHeatingLoad = rooms.totalHeatingLoad
+      let totalCoolingLoad = rooms.totalCoolingLoad
+
+      let roomContainers = rooms.reduce(into: [RoomContainer]()) { array, room in
+        array += RoomContainer.mock(
+          room: room,
+          totalHeatingLoad: totalHeatingLoad,
+          totalCoolingLoad: totalCoolingLoad,
+          totalHeatingCFM: Double(equipmentInfo.heatingCFM),
+          totalCoolingCFM: Double(equipmentInfo.coolingCFM)
+        )
+      }
+
+      return .init(
+        rooms: roomContainers,
+        trunks: TrunkContainer.mock(
+          trunks: trunks,
+          totalHeatingLoad: totalHeatingLoad,
+          totalCoolingLoad: totalCoolingLoad,
+          totalHeatingCFM: Double(equipmentInfo.heatingCFM),
+          totalCoolingCFM: Double(equipmentInfo.coolingCFM)
+        )
+      )
+    }
+  }
+
+  extension DuctSizes.RoomContainer {
+    public static func mock(
+      room: Room,
+      totalHeatingLoad: Double,
+      totalCoolingLoad: Double,
+      totalHeatingCFM: Double,
+      totalCoolingCFM: Double
+    ) -> [Self] {
+      var retval = [DuctSizes.RoomContainer]()
+      let heatingLoad = room.heatingLoad / Double(room.registerCount)
+      let heatingFraction = heatingLoad / totalHeatingLoad
+      let heatingCFM = totalHeatingCFM * heatingFraction
+      // Not really accurate, but works for mocks.
+      let coolingLoad = room.coolingTotal / Double(room.registerCount)
+      let coolingFraction = coolingLoad / totalCoolingLoad
+      let coolingCFM = totalCoolingCFM * coolingFraction
+
+      for n in 1...room.registerCount {
+
+        retval.append(
+          .init(
+            roomID: room.id,
+            roomName: room.name,
+            roomRegister: n,
+            heatingLoad: heatingLoad,
+            coolingLoad: coolingLoad,
+            heatingCFM: heatingCFM,
+            coolingCFM: coolingCFM,
+            ductSize: .init(
+              rectangularID: nil,
+              designCFM: .init(heating: heatingCFM, cooling: coolingCFM),
+              roundSize: 7,
+              finalSize: 8,
+              velocity: 489,
+              flexSize: 8,
+              height: nil,
+              width: nil
+            )
+          )
+        )
+      }
+      return retval
+    }
+
+  }
+
+  extension DuctSizes.TrunkContainer {
+
+    public static func mock(
+      trunks: [TrunkSize],
+      totalHeatingLoad: Double,
+      totalCoolingLoad: Double,
+      totalHeatingCFM: Double,
+      totalCoolingCFM: Double
+    ) -> [Self] {
+      trunks.reduce(into: []) { array, trunk in
+        array.append(
+          .init(
+            trunk: trunk,
+            ductSize: .init(
+              designCFM: .init(heating: totalHeatingCFM, cooling: totalCoolingCFM),
+              roundSize: 18,
+              finalSize: 20,
+              velocity: 987,
+              flexSize: 20
+            )
+          )
+        )
+      }
+    }
+  }
+
+#endif

Sources/ManualDCore/DuctSizing.swift

@@ -1,93 +0,0 @@
-import Dependencies
-import Foundation
-
-public enum DuctSizing {
-
-  public struct RectangularDuct: Codable, Equatable, Identifiable, Sendable {
-
-    public let id: UUID
-    public let register: Int?
-    public let height: Int
-
-    public init(
-      id: UUID = .init(),
-      register: Int? = nil,
-      height: Int,
-    ) {
-      self.id = id
-      self.register = register
-      self.height = height
-    }
-
-  }
-
-  public struct RoomContainer: Codable, Equatable, Sendable {
-
-    public let registerID: String
-    public let roomID: Room.ID
-    public let roomName: String
-    public let heatingLoad: Double
-    public let coolingLoad: Double
-    public let heatingCFM: Double
-    public let coolingCFM: Double
-    public let designCFM: DesignCFM
-    public let roundSize: Double
-    public let finalSize: Int
-    public let velocity: Int
-    public let flexSize: Int
-    public let rectangularSize: RectangularDuct?
-    public let rectangularWidth: Int?
-
-    public init(
-      registerID: String,
-      roomID: Room.ID,
-      roomName: String,
-      heatingLoad: Double,
-      coolingLoad: Double,
-      heatingCFM: Double,
-      coolingCFM: Double,
-      designCFM: DesignCFM,
-      roundSize: Double,
-      finalSize: Int,
-      velocity: Int,
-      flexSize: Int,
-      rectangularSize: RectangularDuct? = nil,
-      rectangularWidth: Int? = nil
-    ) {
-      self.registerID = registerID
-      self.roomID = roomID
-      self.roomName = roomName
-      self.heatingLoad = heatingLoad
-      self.coolingLoad = coolingLoad
-      self.heatingCFM = heatingCFM
-      self.coolingCFM = coolingCFM
-      self.designCFM = designCFM
-      self.roundSize = roundSize
-      self.finalSize = finalSize
-      self.velocity = velocity
-      self.flexSize = flexSize
-      self.rectangularSize = rectangularSize
-      self.rectangularWidth = rectangularWidth
-    }
-  }
-
-  public enum DesignCFM: Codable, Equatable, Sendable {
-    case heating(Double)
-    case cooling(Double)
-
-    public init(heating: Double, cooling: Double) {
-      if heating >= cooling {
-        self = .heating(heating)
-      } else {
-        self = .cooling(cooling)
-      }
-    }
-
-    public var value: Double {
-      switch self {
-      case .heating(let value): return value
-      case .cooling(let value): return value
-      }
-    }
-  }
-}

Sources/ManualDCore/EffectiveLength.swift

@@ -142,6 +142,44 @@ extension Array where Element == EffectiveLength.Group {
 #if DEBUG
 
   extension EffectiveLength {
+
+    public static func mock(projectID: Project.ID) -> [Self] {
+      @Dependency(\.uuid) var uuid
+      @Dependency(\.date.now) var now
+
+      return [
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "Supply - 1",
+          type: .supply,
+          straightLengths: [10, 25],
+          groups: [
+            .init(group: 1, letter: "a", value: 20),
+            .init(group: 2, letter: "b", value: 30, quantity: 1),
+            .init(group: 3, letter: "a", value: 10, quantity: 1),
+            .init(group: 12, letter: "a", value: 10, quantity: 1),
+          ],
+          createdAt: now,
+          updatedAt: now
+        ),
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "Return - 1",
+          type: .return,
+          straightLengths: [10, 20, 5],
+          groups: [
+            .init(group: 5, letter: "a", value: 10),
+            .init(group: 6, letter: "a", value: 15, quantity: 1),
+            .init(group: 7, letter: "a", value: 20, quantity: 1),
+          ],
+          createdAt: now,
+          updatedAt: now
+        ),
+      ]
+    }
+
     public static let mocks: [Self] = [
       .init(
         id: UUID(0),

Sources/ManualDCore/EquipmentInfo.swift

@@ -70,6 +70,21 @@ extension EquipmentInfo {
 
 #if DEBUG
   extension EquipmentInfo {
+
+    public static func mock(projectID: Project.ID) -> Self {
+      @Dependency(\.uuid) var uuid
+      @Dependency(\.date.now) var now
+
+      return .init(
+        id: uuid(),
+        projectID: projectID,
+        heatingCFM: 900,
+        coolingCFM: 1000,
+        createdAt: now,
+        updatedAt: now
+      )
+    }
+
     public static let mock = Self(
       id: UUID(0),
       projectID: UUID(0),

Sources/ManualDCore/FrictionRate.swift

@@ -0,0 +1,57 @@
+/// Holds onto values returned when calculating the design
+/// friction rate for a project.
+public struct FrictionRate: Codable, Equatable, Sendable {
+  public let availableStaticPressure: Double
+  public let value: Double
+  public var hasErrors: Bool { error != nil }
+
+  public init(
+    availableStaticPressure: Double,
+    value: Double
+  ) {
+    self.availableStaticPressure = availableStaticPressure
+    self.value = value
+  }
+
+  public var error: FrictionRateError? {
+    if value >= 0.18 {
+      return .init(
+        "Friction rate should be lower than 0.18",
+        resolutions: [
+          "Decrease the blower speed",
+          "Decrease the blower size",
+          "Increase the Total Equivalent Length",
+        ]
+      )
+    } else if value <= 0.02 {
+      return .init(
+        "Friction rate should be higher than 0.02",
+        resolutions: [
+          "Increase the blower speed",
+          "Increase the blower size",
+          "Decrease the Total Equivalent Length",
+        ]
+      )
+    }
+    return nil
+  }
+}
+
+public struct FrictionRateError: Error, Equatable, Sendable {
+  public let reason: String
+  public let resolutions: [String]
+
+  public init(
+    _ reason: String,
+    resolutions: [String]
+  ) {
+    self.reason = reason
+    self.resolutions = resolutions
+  }
+}
+
+#if DEBUG
+  extension FrictionRate {
+    public static let mock = Self(availableStaticPressure: 0.21, value: 0.11)
+  }
+#endif

Sources/ManualDCore/Numbers+string.swift

@@ -0,0 +1,24 @@
+import Foundation
+
+extension Double {
+
+  public func string(digits: Int = 2) -> String {
+    numberString(self, digits: digits)
+  }
+}
+
+extension Int {
+
+  public func string() -> String {
+    numberString(Double(self), digits: 0)
+  }
+}
+
+private func numberString(_ value: Double, digits: Int = 2) -> String {
+  let formatter = NumberFormatter()
+  formatter.maximumFractionDigits = digits
+  formatter.groupingSize = 3
+  formatter.groupingSeparator = ","
+  formatter.numberStyle = .decimal
+  return formatter.string(for: value)!
+}

Sources/ManualDCore/PageRequest+extensions.swift

@@ -0,0 +1,12 @@
+import Fluent
+
+extension PageRequest {
+
+  public static var first: Self {
+    .init(page: 1, per: 25)
+  }
+
+  public static func next<T>(_ currentPage: Page<T>) -> Self {
+    .init(page: currentPage.metadata.page + 1, per: currentPage.metadata.per)
+  }
+}

Sources/ManualDCore/Project.swift

@@ -66,17 +66,50 @@ extension Project {
 
   public struct CompletedSteps: Codable, Equatable, Sendable {
 
+    public let equipmentInfo: Bool
     public let rooms: Bool
     public let equivalentLength: Bool
     public let frictionRate: Bool
 
-    public init(rooms: Bool, equivalentLength: Bool, frictionRate: Bool) {
+    public init(
+      equipmentInfo: Bool,
+      rooms: Bool,
+      equivalentLength: Bool,
+      frictionRate: Bool
+    ) {
+      self.equipmentInfo = equipmentInfo
       self.rooms = rooms
       self.equivalentLength = equivalentLength
       self.frictionRate = frictionRate
     }
   }
 
+  public struct Detail: Codable, Equatable, Sendable {
+
+    public let project: Project
+    public let componentLosses: [ComponentPressureLoss]
+    public let equipmentInfo: EquipmentInfo
+    public let equivalentLengths: [EffectiveLength]
+    public let rooms: [Room]
+    public let trunks: [TrunkSize]
+
+    public init(
+      project: Project,
+      componentLosses: [ComponentPressureLoss],
+      equipmentInfo: EquipmentInfo,
+      equivalentLengths: [EffectiveLength],
+      rooms: [Room],
+      trunks: [TrunkSize]
+    ) {
+      self.project = project
+      self.componentLosses = componentLosses
+      self.equipmentInfo = equipmentInfo
+      self.equivalentLengths = equivalentLengths
+      self.rooms = rooms
+      self.trunks = trunks
+    }
+  }
+
   public struct Update: Codable, Equatable, Sendable {
 
     public let name: String?
@@ -107,16 +140,22 @@ extension Project {
 #if DEBUG
 
   extension Project {
-    public static let mock = Self(
-      id: UUID(0),
-      name: "Testy McTestface",
-      streetAddress: "1234 Sesame Street",
-      city: "Monroe",
-      state: "OH",
-      zipCode: "55555",
-      createdAt: Date(),
-      updatedAt: Date()
-    )
+
+    public static var mock: Self {
+      @Dependency(\.uuid) var uuid
+      @Dependency(\.date.now) var now
+
+      return .init(
+        id: uuid(),
+        name: "Testy McTestface",
+        streetAddress: "1234 Sesame Street",
+        city: "Monroe",
+        state: "OH",
+        zipCode: "55555",
+        createdAt: now,
+        updatedAt: now
+      )
+    }
   }
 
 #endif

Sources/ManualDCore/Room.swift

@@ -9,7 +9,7 @@ public struct Room: Codable, Equatable, Identifiable, Sendable {
   public let coolingTotal: Double
   public let coolingSensible: Double?
   public let registerCount: Int
-  public let rectangularSizes: [DuctSizing.RectangularDuct]?
+  public let rectangularSizes: [RectangularSize]?
   public let createdAt: Date
   public let updatedAt: Date
 
@@ -21,7 +21,7 @@ public struct Room: Codable, Equatable, Identifiable, Sendable {
     coolingTotal: Double,
     coolingSensible: Double? = nil,
     registerCount: Int = 1,
-    rectangularSizes: [DuctSizing.RectangularDuct]? = nil,
+    rectangularSizes: [RectangularSize]? = nil,
     createdAt: Date,
     updatedAt: Date
   ) {
@@ -65,13 +65,30 @@ extension Room {
     }
   }
 
+  public struct RectangularSize: Codable, Equatable, Identifiable, Sendable {
+
+    public let id: UUID
+    public let register: Int?
+    public let height: Int
+
+    public init(
+      id: UUID = .init(),
+      register: Int? = nil,
+      height: Int,
+    ) {
+      self.id = id
+      self.register = register
+      self.height = height
+    }
+  }
+
   public struct Update: Codable, Equatable, Sendable {
     public let name: String?
     public let heatingLoad: Double?
     public let coolingTotal: Double?
     public let coolingSensible: Double?
     public let registerCount: Int?
-    public let rectangularSizes: [DuctSizing.RectangularDuct]?
+    public let rectangularSizes: [RectangularSize]?
 
     public init(
       name: String? = nil,
@@ -89,7 +106,7 @@ extension Room {
     }
 
     public init(
-      rectangularSizes: [DuctSizing.RectangularDuct]
+      rectangularSizes: [RectangularSize]
     ) {
       self.name = nil
       self.heatingLoad = nil
@@ -154,6 +171,86 @@ extension Array where Element == Room {
         updatedAt: Date()
       ),
     ]
+
+    public static func mock(projectID: Project.ID) -> [Self] {
+      @Dependency(\.uuid) var uuid
+      @Dependency(\.date.now) var now
+
+      return [
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "Bed-1",
+          heatingLoad: 3913,
+          coolingTotal: 2472,
+          coolingSensible: nil,
+          registerCount: 1,
+          rectangularSizes: nil,
+          createdAt: now,
+          updatedAt: now
+        ),
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "Entry",
+          heatingLoad: 8284,
+          coolingTotal: 2916,
+          coolingSensible: nil,
+          registerCount: 2,
+          rectangularSizes: nil,
+          createdAt: now,
+          updatedAt: now
+        ),
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "Family Room",
+          heatingLoad: 9785,
+          coolingTotal: 7446,
+          coolingSensible: nil,
+          registerCount: 3,
+          rectangularSizes: nil,
+          createdAt: now,
+          updatedAt: now
+        ),
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "Kitchen",
+          heatingLoad: 4518,
+          coolingTotal: 5096,
+          coolingSensible: nil,
+          registerCount: 2,
+          rectangularSizes: nil,
+          createdAt: now,
+          updatedAt: now
+        ),
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "Living Room",
+          heatingLoad: 7553,
+          coolingTotal: 6829,
+          coolingSensible: nil,
+          registerCount: 2,
+          rectangularSizes: nil,
+          createdAt: now,
+          updatedAt: now
+        ),
+        .init(
+          id: uuid(),
+          projectID: projectID,
+          name: "Master",
+          heatingLoad: 8202,
+          coolingTotal: 2076,
+          coolingSensible: nil,
+          registerCount: 2,
+          rectangularSizes: nil,
+          createdAt: now,
+          updatedAt: now
+        ),
+      ]
+    }
   }
 
 #endif

Sources/ManualDCore/Routes/ApiRoute.swift

@@ -88,11 +88,16 @@ extension SiteRoute.Api {
 
 extension SiteRoute.Api.ProjectRoute {
   public enum DetailRoute: Equatable, Sendable {
+    case index
     case completedSteps
 
     static let rootPath = "details"
 
     static let router = OneOf {
+      Route(.case(Self.index)) {
+        Path { rootPath }
+        Method.get
+      }
       Route(.case(Self.completedSteps)) {
         Path {
           rootPath

Sources/ManualDCore/Routes/ViewRoute.swift

@@ -11,6 +11,7 @@ extension SiteRoute {
     case login(LoginRoute)
     case signup(SignupRoute)
     case project(ProjectRoute)
+    case user(UserRoute)
     //FIX: Remove.
     case test
 
@@ -28,6 +29,9 @@ extension SiteRoute {
       Route(.case(Self.project)) {
         SiteRoute.View.ProjectRoute.router
       }
+      Route(.case(Self.user)) {
+        SiteRoute.View.UserRoute.router
+      }
     }
   }
 }
@@ -37,7 +41,6 @@ extension SiteRoute.View {
     case create(Project.Create)
     case delete(id: Project.ID)
     case detail(Project.ID, DetailRoute)
-    case form(id: Project.ID? = nil, dismiss: Bool = false)
     case index
     case page(PageRequest)
     case update(Project.ID, Project.Update)
@@ -82,19 +85,6 @@ extension SiteRoute.View {
         }
         DetailRoute.router
       }
-      Route(.case(Self.form)) {
-        Path {
-          rootPath
-          "create"
-        }
-        Method.get
-        Query {
-          Optionally {
-            Field("id", default: nil) { Project.ID.parser() }
-          }
-          Field("dismiss", default: false) { Bool.parser() }
-        }
-      }
       Route(.case(Self.index)) {
         Path { rootPath }
         Method.get
@@ -150,22 +140,18 @@ extension SiteRoute.View {
 extension SiteRoute.View.ProjectRoute {
 
   public enum DetailRoute: Equatable, Sendable {
-    case index(tab: Tab = .default)
+    case index
     case componentLoss(ComponentLossRoute)
     case ductSizing(DuctSizingRoute)
     case equipment(EquipmentInfoRoute)
     case equivalentLength(EquivalentLengthRoute)
     case frictionRate(FrictionRateRoute)
+    case pdf
     case rooms(RoomRoute)
 
     static let router = OneOf {
       Route(.case(Self.index)) {
         Method.get
-        Query {
-          Field("tab", default: Tab.default) {
-            Tab.parser()
-          }
-        }
       }
       Route(.case(Self.componentLoss)) {
         ComponentLossRoute.router
@@ -182,6 +168,10 @@ extension SiteRoute.View.ProjectRoute {
       Route(.case(Self.frictionRate)) {
         FrictionRateRoute.router
       }
+      Route(.case(Self.pdf)) {
+        Path { "pdf" }
+        Method.get
+      }
       Route(.case(Self.rooms)) {
         RoomRoute.router
       }
@@ -189,18 +179,16 @@ extension SiteRoute.View.ProjectRoute {
 
     public enum Tab: String, CaseIterable, Equatable, Sendable {
       case project
+      case equipment
       case rooms
       case equivalentLength
       case frictionRate
       case ductSizing
-
-      public static var `default`: Self { .rooms }
     }
   }
 
   public enum RoomRoute: Equatable, Sendable {
     case delete(id: Room.ID)
-    case form(id: Room.ID? = nil, dismiss: Bool = false)
     case index
     case submit(Room.Create)
     case update(Room.ID, Room.Update)
@@ -216,19 +204,6 @@ extension SiteRoute.View.ProjectRoute {
         }
         Method.delete
       }
-      Route(.case(Self.form)) {
-        Path {
-          rootPath
-          "create"
-        }
-        Method.get
-        Query {
-          Optionally {
-            Field("id", default: nil) { Room.ID.parser() }
-          }
-          Field("dismiss", default: false) { Bool.parser() }
-        }
-      }
       Route(.case(Self.index)) {
         Path {
           rootPath
@@ -358,8 +333,6 @@ extension SiteRoute.View.ProjectRoute {
 
   public enum FrictionRateRoute: Equatable, Sendable {
     case index
-    // TODO: Remove form or move equipment / component losses routes here.
-    case form(FormType, dismiss: Bool = false)
 
     static let rootPath = "friction-rate"
 
@@ -368,28 +341,11 @@ extension SiteRoute.View.ProjectRoute {
         Path { rootPath }
         Method.get
       }
-      Route(.case(Self.form)) {
-        Path {
-          rootPath
-          "create"
-        }
-        Method.get
-        Query {
-          Field("type") { FormType.parser() }
-          Field("dismiss", default: false) { Bool.parser() }
-        }
-      }
-    }
-
-    public enum FormType: String, CaseIterable, Codable, Equatable, Sendable {
-      case equipmentInfo
-      case componentPressureLoss
     }
   }
 
   public enum EquipmentInfoRoute: Equatable, Sendable {
     case index
-    case form(dismiss: Bool)
     case submit(EquipmentInfo.Create)
     case update(EquipmentInfo.ID, EquipmentInfo.Update)
 
@@ -400,16 +356,6 @@ extension SiteRoute.View.ProjectRoute {
         Path { rootPath }
         Method.get
       }
-      Route(.case(Self.form)) {
-        Path {
-          rootPath
-          "create"
-        }
-        Method.get
-        Query {
-          Field("dismiss", default: true) { Bool.parser() }
-        }
-      }
       Route(.case(Self.submit)) {
         Path { rootPath }
         Method.post
@@ -450,7 +396,6 @@ extension SiteRoute.View.ProjectRoute {
   public enum EquivalentLengthRoute: Equatable, Sendable {
     case delete(id: EffectiveLength.ID)
     case field(FieldType, style: EffectiveLength.EffectiveLengthType? = nil)
-    case form(dismiss: Bool = false)
     case index
     case submit(FormStep)
     case update(EffectiveLength.ID, StepThree)
@@ -469,16 +414,6 @@ extension SiteRoute.View.ProjectRoute {
         Path { rootPath }
         Method.get
       }
-      Route(.case(Self.form(dismiss:))) {
-        Path {
-          rootPath
-          "create"
-        }
-        Method.get
-        Query {
-          Field("dismiss", default: false) { Bool.parser() }
-        }
-      }
       Route(.case(Self.field)) {
         Path {
           rootPath
@@ -677,9 +612,11 @@ extension SiteRoute.View.ProjectRoute {
 
   public enum DuctSizingRoute: Equatable, Sendable {
     case index
-    case deleteRectangularSize(Room.ID, DuctSizing.RectangularDuct.ID)
+    case deleteRectangularSize(Room.ID, DeleteRectangularDuct)
     case roomRectangularForm(Room.ID, RoomRectangularForm)
+    case trunk(TrunkRoute)
 
+    public static let roomPath = "room"
     static let rootPath = "duct-sizing"
 
     static let router = OneOf {
@@ -690,25 +627,27 @@ extension SiteRoute.View.ProjectRoute {
       Route(.case(Self.deleteRectangularSize)) {
         Path {
           rootPath
-          "room"
+          roomPath
           Room.ID.parser()
         }
         Method.delete
         Query {
-          Field("rectangularSize") { DuctSizing.RectangularDuct.ID.parser() }
+          Field("rectangularSize") { Room.RectangularSize.ID.parser() }
+          Field("register") { Int.parser() }
         }
+        .map(.memberwise(DeleteRectangularDuct.init))
       }
       Route(.case(Self.roomRectangularForm)) {
         Path {
           rootPath
-          "room"
+          roomPath
           Room.ID.parser()
         }
         Method.post
         Body {
           FormData {
             Optionally {
-              Field("id") { DuctSizing.RectangularDuct.ID.parser() }
+              Field("id") { Room.RectangularSize.ID.parser() }
             }
             Field("register") { Int.parser() }
             Field("height") { Int.parser() }
@@ -716,12 +655,125 @@ extension SiteRoute.View.ProjectRoute {
           .map(.memberwise(RoomRectangularForm.init))
         }
       }
+      Route(.case(Self.trunk)) {
+        Path { rootPath }
+        TrunkRoute.router
+      }
+    }
+
+    public struct DeleteRectangularDuct: Equatable, Sendable {
+
+      public let rectangularSizeID: Room.RectangularSize.ID
+      public let register: Int
+
+      public init(rectangularSizeID: Room.RectangularSize.ID, register: Int) {
+        self.rectangularSizeID = rectangularSizeID
+        self.register = register
+      }
+    }
+
+    public enum TrunkRoute: Equatable, Sendable {
+      case delete(TrunkSize.ID)
+      case submit(TrunkSizeForm)
+      case update(TrunkSize.ID, TrunkSizeForm)
+
+      public static let rootPath = "trunk"
+
+      static let router = OneOf {
+        Route(.case(Self.delete)) {
+          Path {
+            rootPath
+            TrunkSize.ID.parser()
+          }
+          Method.delete
+        }
+        Route(.case(Self.submit)) {
+          Path {
+            rootPath
+          }
+          Method.post
+          Body {
+            FormData {
+              Field("projectID") { Project.ID.parser() }
+              Field("type") { TrunkSize.TrunkType.parser() }
+              Optionally {
+                Field("height") { Int.parser() }
+
+              }
+              Optionally {
+                Field("name", .string)
+              }
+              Many {
+                Field("rooms", .string)
+              }
+            }
+            .map(.memberwise(TrunkSizeForm.init))
+          }
+        }
+        Route(.case(Self.update)) {
+          Path {
+            rootPath
+            TrunkSize.ID.parser()
+          }
+          Method.patch
+          Body {
+            FormData {
+              Field("projectID") { Project.ID.parser() }
+              Field("type") { TrunkSize.TrunkType.parser() }
+              Optionally {
+                Field("height") { Int.parser() }
+              }
+              Optionally {
+                Field("name", .string)
+              }
+              Many {
+                Field("rooms", .string)
+              }
+            }
+            .map(.memberwise(TrunkSizeForm.init))
+          }
+        }
+      }
     }
 
     public struct RoomRectangularForm: Equatable, Sendable {
-      public let id: DuctSizing.RectangularDuct.ID?
+
+      public let id: Room.RectangularSize.ID?
       public let register: Int
       public let height: Int
+
+      public init(
+        id: Room.RectangularSize.ID? = nil,
+        register: Int,
+        height: Int
+      ) {
+        self.id = id
+        self.register = register
+        self.height = height
+      }
+    }
+
+    public struct TrunkSizeForm: Equatable, Sendable {
+
+      public let projectID: Project.ID
+      public let type: TrunkSize.TrunkType
+      public let height: Int?
+      public let name: String?
+      public let rooms: [String]
+
+      public init(
+        projectID: Project.ID,
+        type: TrunkSize.TrunkType,
+        height: Int? = nil,
+        name: String? = nil,
+        rooms: [String]
+      ) {
+        self.projectID = projectID
+        self.type = type
+        self.height = height
+        self.name = name
+        self.rooms = rooms
+      }
     }
   }
 }
@@ -770,6 +822,7 @@ extension SiteRoute.View {
   public enum SignupRoute: Equatable, Sendable {
     case index
     case submit(User.Create)
+    case submitProfile(User.Profile.Create)
 
     static let rootPath = "signup"
 
@@ -783,7 +836,6 @@ extension SiteRoute.View {
         Method.post
         Body {
           FormData {
-            Field("username", .string)
             Field("email", .string)
             Field("password", .string)
             Field("confirmPassword", .string)
@@ -791,6 +843,114 @@ extension SiteRoute.View {
           .map(.memberwise(User.Create.init))
         }
       }
+      Route(.case(Self.submitProfile)) {
+        Path {
+          rootPath
+          "profile"
+        }
+        Method.post
+        Body {
+          FormData {
+            Field("userID") { User.ID.parser() }
+            Field("firstName", .string)
+            Field("lastName", .string)
+            Field("companyName", .string)
+            Field("streetAddress", .string)
+            Field("city", .string)
+            Field("state", .string)
+            Field("zipCode", .string)
+            Optionally {
+              Field("theme") { Theme.parser() }
+            }
+          }
+          .map(.memberwise(User.Profile.Create.init))
+        }
+      }
+    }
+  }
+}
+
+extension SiteRoute.View {
+  public enum UserRoute: Equatable, Sendable {
+    case profile(Profile)
+
+    static let router = OneOf {
+      Route(.case(Self.profile)) {
+        Profile.router
+      }
+    }
+  }
+}
+
+extension SiteRoute.View.UserRoute {
+  public enum Profile: Equatable, Sendable {
+    case index
+    case submit(User.Profile.Create)
+    case update(User.Profile.ID, User.Profile.Update)
+
+    static let rootPath = "profile"
+
+    static let router = OneOf {
+      Route(.case(Self.index)) {
+        Path { rootPath }
+        Method.get
+      }
+      Route(.case(Self.submit)) {
+        Path { rootPath }
+        Method.post
+        Body {
+          FormData {
+            Field("userID") { User.ID.parser() }
+            Field("firstName", .string)
+            Field("lastName", .string)
+            Field("companyName", .string)
+            Field("streetAddress", .string)
+            Field("city", .string)
+            Field("state", .string)
+            Field("zipCode", .string)
+            Optionally {
+              Field("theme") { Theme.parser() }
+            }
+          }
+          .map(.memberwise(User.Profile.Create.init))
+        }
+      }
+      Route(.case(Self.update)) {
+        Path {
+          rootPath
+          User.Profile.ID.parser()
+        }
+        Method.patch
+        Body {
+          FormData {
+            Optionally {
+              Field("firstName", .string)
+            }
+            Optionally {
+              Field("lastName", .string)
+            }
+            Optionally {
+              Field("companyName", .string)
+            }
+            Optionally {
+              Field("streetAddress", .string)
+            }
+            Optionally {
+              Field("city", .string)
+            }
+            Optionally {
+              Field("state", .string)
+            }
+            Optionally {
+              Field("zipCode", .string)
+            }
+            Optionally {
+              Field("theme") { Theme.parser() }
+            }
+          }
+          .map(.memberwise(User.Profile.Update.init))
+        }
+      }
     }
   }
 }

Sources/ManualDCore/Theme.swift

@@ -0,0 +1,31 @@
+import Foundation
+
+public enum Theme: String, CaseIterable, Codable, Equatable, Sendable {
+  case aqua
+  case cupcake
+  case cyberpunk
+  case dark
+  case `default`
+  case dracula
+  case light
+  case night
+  case nord
+  case retro
+  case synthwave
+
+  public static let darkThemes = [
+    Self.aqua,
+    Self.cyberpunk,
+    Self.dark,
+    Self.dracula,
+    Self.night,
+    Self.synthwave,
+  ]
+
+  public static let lightThemes = [
+    Self.cupcake,
+    Self.light,
+    Self.nord,
+    Self.retro,
+  ]
+}

Sources/ManualDCore/TrunkSize.swift

@@ -0,0 +1,114 @@
+import Dependencies
+import Foundation
+
+// Represents the database model.
+public struct TrunkSize: Codable, Equatable, Identifiable, Sendable {
+
+  public let id: UUID
+  public let projectID: Project.ID
+  public let type: TrunkType
+  public let rooms: [RoomProxy]
+  public let height: Int?
+  public let name: String?
+
+  public init(
+    id: UUID,
+    projectID: Project.ID,
+    type: TrunkType,
+    rooms: [RoomProxy],
+    height: Int? = nil,
+    name: String? = nil
+  ) {
+    self.id = id
+    self.projectID = projectID
+    self.type = type
+    self.rooms = rooms
+    self.height = height
+    self.name = name
+  }
+}
+
+extension TrunkSize {
+  public struct Create: Codable, Equatable, Sendable {
+
+    public let projectID: Project.ID
+    public let type: TrunkType
+    public let rooms: [Room.ID: [Int]]
+    public let height: Int?
+    public let name: String?
+
+    public init(
+      projectID: Project.ID,
+      type: TrunkType,
+      rooms: [Room.ID: [Int]],
+      height: Int? = nil,
+      name: String? = nil
+    ) {
+      self.projectID = projectID
+      self.type = type
+      self.rooms = rooms
+      self.height = height
+      self.name = name
+    }
+  }
+
+  public struct Update: Codable, Equatable, Sendable {
+
+    public let type: TrunkType?
+    public let rooms: [Room.ID: [Int]]?
+    public let height: Int?
+    public let name: String?
+
+    public init(
+      type: TrunkType? = nil,
+      rooms: [Room.ID: [Int]]? = nil,
+      height: Int? = nil,
+      name: String? = nil
+    ) {
+      self.type = type
+      self.rooms = rooms
+      self.height = height
+      self.name = name
+    }
+  }
+
+  public struct RoomProxy: Codable, Equatable, Identifiable, Sendable {
+
+    public var id: Room.ID { room.id }
+    public let room: Room
+    public let registers: [Int]
+
+    public init(room: Room, registers: [Int]) {
+      self.room = room
+      self.registers = registers
+    }
+  }
+
+  public enum TrunkType: String, CaseIterable, Codable, Equatable, Sendable {
+    case `return`
+    case supply
+
+    public static let allCases = [Self.supply, .return]
+  }
+}
+
+#if DEBUG
+  extension TrunkSize {
+    public static func mock(projectID: Project.ID, rooms: [Room]) -> [Self] {
+      @Dependency(\.uuid) var uuid
+
+      let allRooms = rooms.reduce(into: [TrunkSize.RoomProxy]()) { array, room in
+        var registers = [Int]()
+        for n in 1...room.registerCount {
+          registers.append(n)
+        }
+        array.append(.init(room: room, registers: registers))
+      }
+
+      return [
+        .init(id: uuid(), projectID: projectID, type: .supply, rooms: allRooms),
+        .init(id: uuid(), projectID: projectID, type: .return, rooms: allRooms),
+      ]
+    }
+  }
+#endif

Sources/ManualDCore/User.swift

@@ -1,23 +1,21 @@
 import Dependencies
 import Foundation
 
+// FIX: Remove username.
 public struct User: Codable, Equatable, Identifiable, Sendable {
 
   public let id: UUID
   public let email: String
-  public let username: String
   public let createdAt: Date
   public let updatedAt: Date
 
   public init(
     id: UUID,
     email: String,
-    username: String,
     createdAt: Date,
     updatedAt: Date
   ) {
     self.id = id
-    self.username = username
     self.email = email
     self.createdAt = createdAt
     self.updatedAt = updatedAt
@@ -27,18 +25,15 @@ public struct User: Codable, Equatable, Identifiable, Sendable {
 extension User {
   public struct Create: Codable, Equatable, Sendable {
 
-    public let username: String
     public let email: String
     public let password: String
     public let confirmPassword: String
 
     public init(
-      username: String,
       email: String,
       password: String,
       confirmPassword: String
     ) {
-      self.username = username
       self.email = email
       self.password = password
       self.confirmPassword = confirmPassword
@@ -70,3 +65,15 @@ extension User {
     }
   }
 }
+
+#if DEBUG
+
+  extension User {
+    public static var mock: Self {
+      @Dependency(\.uuid) var uuid
+      @Dependency(\.date.now) var now
+      return .init(id: uuid(), email: "testy@example.com", createdAt: now, updatedAt: now)
+    }
+  }
+
+#endif

Sources/ManualDCore/UserProfile.swift

@@ -0,0 +1,140 @@
+import Dependencies
+import Foundation
+
+extension User {
+  public struct Profile: Codable, Equatable, Identifiable, Sendable {
+
+    public let id: UUID
+    public let userID: User.ID
+    public let firstName: String
+    public let lastName: String
+    public let companyName: String
+    public let streetAddress: String
+    public let city: String
+    public let state: String
+    public let zipCode: String
+    public let theme: Theme?
+    public let createdAt: Date
+    public let updatedAt: Date
+
+    public init(
+      id: UUID,
+      userID: User.ID,
+      firstName: String,
+      lastName: String,
+      companyName: String,
+      streetAddress: String,
+      city: String,
+      state: String,
+      zipCode: String,
+      theme: Theme? = nil,
+      createdAt: Date,
+      updatedAt: Date
+    ) {
+      self.id = id
+      self.userID = userID
+      self.firstName = firstName
+      self.lastName = lastName
+      self.companyName = companyName
+      self.streetAddress = streetAddress
+      self.city = city
+      self.state = state
+      self.zipCode = zipCode
+      self.theme = theme
+      self.createdAt = createdAt
+      self.updatedAt = updatedAt
+    }
+  }
+}
+
+extension User.Profile {
+
+  public struct Create: Codable, Equatable, Sendable {
+    public let userID: User.ID
+    public let firstName: String
+    public let lastName: String
+    public let companyName: String
+    public let streetAddress: String
+    public let city: String
+    public let state: String
+    public let zipCode: String
+    public let theme: Theme?
+
+    public init(
+      userID: User.ID,
+      firstName: String,
+      lastName: String,
+      companyName: String,
+      streetAddress: String,
+      city: String,
+      state: String,
+      zipCode: String,
+      theme: Theme? = nil
+    ) {
+      self.userID = userID
+      self.firstName = firstName
+      self.lastName = lastName
+      self.companyName = companyName
+      self.streetAddress = streetAddress
+      self.city = city
+      self.state = state
+      self.zipCode = zipCode
+      self.theme = theme
+    }
+  }
+
+  public struct Update: Codable, Equatable, Sendable {
+    public let firstName: String?
+    public let lastName: String?
+    public let companyName: String?
+    public let streetAddress: String?
+    public let city: String?
+    public let state: String?
+    public let zipCode: String?
+    public let theme: Theme?
+
+    public init(
+      firstName: String? = nil,
+      lastName: String? = nil,
+      companyName: String? = nil,
+      streetAddress: String? = nil,
+      city: String? = nil,
+      state: String? = nil,
+      zipCode: String? = nil,
+      theme: Theme? = nil
+    ) {
+      self.firstName = firstName
+      self.lastName = lastName
+      self.companyName = companyName
+      self.streetAddress = streetAddress
+      self.city = city
+      self.state = state
+      self.zipCode = zipCode
+      self.theme = theme
+    }
+  }
+}
+
+#if DEBUG
+  extension User.Profile {
+    public static func mock(userID: User.ID) -> Self {
+      @Dependency(\.uuid) var uuid
+      @Dependency(\.date.now) var now
+
+      return .init(
+        id: uuid(),
+        userID: userID,
+        firstName: "Testy",
+        lastName: "McTestface",
+        companyName: "Acme Co.",
+        streetAddress: "1234 Sesame St",
+        city: "Monroe",
+        state: "OH",
+        zipCode: "55555",
+        createdAt: now,
+        updatedAt: now
+      )
+
+    }
+  }
+#endif

Sources/PdfClient/Interface.swift

@@ -0,0 +1,153 @@
+import Dependencies
+import DependenciesMacros
+import Elementary
+import EnvClient
+import FileClient
+import Foundation
+import ManualDCore
+
+extension DependencyValues {
+
+  /// Access the pdf client dependency that can be used to generate pdf's for
+  /// a project.
+  public var pdfClient: PdfClient {
+    get { self[PdfClient.self] }
+    set { self[PdfClient.self] = newValue }
+  }
+}
+
+@DependencyClient
+public struct PdfClient: Sendable {
+  /// Generate the html used to convert to pdf for a project.
+  public var html: @Sendable (Request) async throws -> (any HTML & Sendable)
+
+  /// Converts the generated html to a pdf.
+  ///
+  /// **NOTE:** This is generally not used directly, instead use the overload that accepts a request,
+  ///           which generates the html and does the conversion all in one step.
+  public var generatePdf: @Sendable (Project.ID, any HTML & Sendable) async throws -> Response
+
+  /// Generate a pdf for the given project request.
+  ///
+  /// - Parameters:
+  ///   - request: The project data used to generate the pdf.
+  public func generatePdf(request: Request) async throws -> Response {
+    let html = try await self.html(request)
+    return try await self.generatePdf(request.project.id, html)
+  }
+
+}
+
+extension PdfClient: DependencyKey {
+  public static let testValue = Self()
+
+  public static let liveValue = Self(
+    html: { request in
+      request.toHTML()
+    },
+    generatePdf: { projectID, html in
+      @Dependency(\.fileClient) var fileClient
+      @Dependency(\.env) var env
+
+      let envVars = try env()
+      let baseUrl = "/tmp/\(projectID)"
+      try await fileClient.writeFile(html.render(), "\(baseUrl).html")
+
+      let process = Process()
+      let standardInput = Pipe()
+      let standardOutput = Pipe()
+      process.standardInput = standardInput
+      process.standardOutput = standardOutput
+      process.executableURL = URL(fileURLWithPath: envVars.pandocPath)
+      process.arguments = [
+        "\(baseUrl).html",
+        "--pdf-engine=\(envVars.pdfEngine)",
+        "--from=html",
+        "--css=Public/css/pdf.css",
+        "--output=\(baseUrl).pdf",
+      ]
+      try process.run()
+      process.waitUntilExit()
+
+      return .init(htmlPath: "\(baseUrl).html", pdfPath: "\(baseUrl).pdf")
+
+    }
+  )
+}
+
+extension PdfClient {
+  /// Container for the data required to generate a pdf for a given project.
+  public struct Request: Codable, Equatable, Sendable {
+
+    public let project: Project
+    public let rooms: [Room]
+    public let componentLosses: [ComponentPressureLoss]
+    public let ductSizes: DuctSizes
+    public let equipmentInfo: EquipmentInfo
+    public let maxSupplyTEL: EffectiveLength
+    public let maxReturnTEL: EffectiveLength
+    public let frictionRate: FrictionRate
+    public let projectSHR: Double
+
+    var totalEquivalentLength: Double {
+      maxReturnTEL.totalEquivalentLength + maxSupplyTEL.totalEquivalentLength
+    }
+
+    public init(
+      project: Project,
+      rooms: [Room],
+      componentLosses: [ComponentPressureLoss],
+      ductSizes: DuctSizes,
+      equipmentInfo: EquipmentInfo,
+      maxSupplyTEL: EffectiveLength,
+      maxReturnTEL: EffectiveLength,
+      frictionRate: FrictionRate,
+      projectSHR: Double
+    ) {
+      self.project = project
+      self.rooms = rooms
+      self.componentLosses = componentLosses
+      self.ductSizes = ductSizes
+      self.equipmentInfo = equipmentInfo
+      self.maxSupplyTEL = maxSupplyTEL
+      self.maxReturnTEL = maxReturnTEL
+      self.frictionRate = frictionRate
+      self.projectSHR = projectSHR
+    }
+  }
+
+  public struct Response: Equatable, Sendable {
+
+    public let htmlPath: String
+    public let pdfPath: String
+
+    public init(htmlPath: String, pdfPath: String) {
+      self.htmlPath = htmlPath
+      self.pdfPath = pdfPath
+    }
+  }
+}
+
+#if DEBUG
+  extension PdfClient.Request {
+    public static func mock(project: Project = .mock) -> Self {
+      let rooms = Room.mock(projectID: project.id)
+      let trunks = TrunkSize.mock(projectID: project.id, rooms: rooms)
+      let equipmentInfo = EquipmentInfo.mock(projectID: project.id)
+      let equivalentLengths = EffectiveLength.mock(projectID: project.id)
+
+      return .init(
+        project: project,
+        rooms: rooms,
+        componentLosses: ComponentPressureLoss.mock(projectID: project.id),
+        ductSizes: .mock(equipmentInfo: equipmentInfo, rooms: rooms, trunks: trunks),
+        equipmentInfo: equipmentInfo,
+        maxSupplyTEL: equivalentLengths.first { $0.type == .supply }!,
+        maxReturnTEL: equivalentLengths.first { $0.type == .return }!,
+        frictionRate: .mock,
+        projectSHR: 0.83
+      )
+
+    }
+  }
+#endif

Sources/PdfClient/Request+html.swift

@@ -0,0 +1,107 @@
+import Elementary
+import ManualDCore
+
+extension PdfClient.Request {
+
+  func toHTML() -> (some HTML & Sendable) {
+    PdfDocument(request: self)
+  }
+}
+
+struct PdfDocument: HTMLDocument {
+
+  let title = "Duct Calc"
+  let lang = "en"
+  let request: PdfClient.Request
+
+  var head: some HTML {
+    link(.rel(.stylesheet), .href("/css/pdf.css"))
+  }
+
+  var body: some HTML {
+    div {
+      // h1(.class("headline")) { "Duct Calc" }
+
+      h2 { "Project" }
+
+      div(.class("flex")) {
+        ProjectTable(project: request.project)
+        // HACK:
+        table {}
+      }
+
+      div(.class("section")) {
+        div(.class("flex")) {
+          h2 { "Equipment" }
+          h2 { "Friction Rate" }
+        }
+        div(.class("flex")) {
+          div(.class("container")) {
+            div(.class("table-container")) {
+              EquipmentTable(title: "Equipment", equipmentInfo: request.equipmentInfo)
+            }
+            div(.class("table-container")) {
+              FrictionRateTable(
+                title: "Friction Rate",
+                componentLosses: request.componentLosses,
+                frictionRate: request.frictionRate,
+                totalEquivalentLength: request.totalEquivalentLength,
+                displayTotals: false
+              )
+            }
+          }
+        }
+        if let error = request.frictionRate.error {
+          div(.class("section")) {
+            p(.class("error")) {
+              error.reason
+              for resolution in error.resolutions {
+                br()
+                "  * \(resolution)"
+              }
+            }
+          }
+        }
+      }
+      div(.class("section")) {
+        h2 { "Duct Sizes" }
+        DuctSizesTable(rooms: request.ductSizes.rooms)
+          .attributes(.class("w-full"))
+      }
+
+      div(.class("section")) {
+        h2 { "Supply Trunk / Run Outs" }
+        TrunkTable(sizes: request.ductSizes, type: .supply)
+          .attributes(.class("w-full"))
+      }
+
+      div(.class("section")) {
+        h2 { "Return Trunk / Run Outs" }
+        TrunkTable(sizes: request.ductSizes, type: .return)
+          .attributes(.class("w-full"))
+      }
+
+      div(.class("section")) {
+        h2 { "Total Equivalent Lengths" }
+        EffectiveLengthsTable(effectiveLengths: [
+          request.maxSupplyTEL, request.maxReturnTEL,
+        ])
+        .attributes(.class("w-full"))
+      }
+
+      div(.class("section")) {
+        h2 { "Register Detail" }
+        RegisterDetailTable(rooms: request.ductSizes.rooms)
+          .attributes(.class("w-full"))
+      }
+
+      div(.class("section")) {
+        h2 { "Room Detail" }
+        RoomsTable(rooms: request.rooms, projectSHR: request.projectSHR)
+          .attributes(.class("w-full"))
+      }
+    }
+
+  }
+
+}

Sources/PdfClient/Views/DuctSizeTable.swift

@@ -0,0 +1,37 @@
+import Elementary
+import ManualDCore
+
+struct DuctSizesTable: HTML, Sendable {
+  let rooms: [DuctSizes.RoomContainer]
+
+  var body: some HTML<HTMLTag.table> {
+    table {
+      thead {
+        tr(.class("bg-green")) {
+          th { "Name" }
+          th { "Dsn CFM" }
+          th { "Round Size" }
+          th { "Velocity" }
+          th { "Final Size" }
+          th { "Flex Size" }
+          th { "Height" }
+          th { "Width" }
+        }
+      }
+      tbody {
+        for row in rooms {
+          tr {
+            td { row.roomName }
+            td { row.designCFM.value.string(digits: 0) }
+            td { row.roundSize.string() }
+            td { row.velocity.string() }
+            td { row.flexSize.string() }
+            td { row.finalSize.string() }
+            td { row.ductSize.height?.string() ?? "" }
+            td { row.width?.string() ?? "" }
+          }
+        }
+      }
+    }
+  }
+}

Sources/PdfClient/Views/EquipmentTable.swift

@@ -0,0 +1,38 @@
+import Elementary
+import ManualDCore
+
+struct EquipmentTable: HTML, Sendable {
+  let title: String?
+  let equipmentInfo: EquipmentInfo
+
+  init(title: String? = nil, equipmentInfo: EquipmentInfo) {
+    self.title = title
+    self.equipmentInfo = equipmentInfo
+  }
+
+  var body: some HTML<HTMLTag.table> {
+
+    table {
+      thead {
+        tr(.class("bg-green")) {
+          th { title ?? "" }
+          th(.class("justify-end")) { "Value" }
+        }
+      }
+      tbody {
+        tr {
+          td { "Static Pressure" }
+          td(.class("justify-end")) { equipmentInfo.staticPressure.string() }
+        }
+        tr {
+          td { "Heating CFM" }
+          td(.class("justify-end")) { equipmentInfo.heatingCFM.string() }
+        }
+        tr {
+          td { "Cooling CFM" }
+          td(.class("justify-end")) { equipmentInfo.coolingCFM.string() }
+        }
+      }
+    }
+  }
+}

Sources/PdfClient/Views/EquivalentLengthTable.swift

@@ -0,0 +1,68 @@
+import Elementary
+import ManualDCore
+
+struct EffectiveLengthsTable: HTML, Sendable {
+  let effectiveLengths: [EffectiveLength]
+
+  var body: some HTML<HTMLTag.table> {
+    table {
+      thead {
+        tr(.class("bg-green")) {
+          th { "Name" }
+          th { "Type" }
+          th { "Straight Lengths" }
+          th { "Groups" }
+          th { "Total" }
+        }
+      }
+      tbody {
+        for row in effectiveLengths {
+          tr {
+            td { row.name }
+            td { row.type.rawValue }
+            td {
+              ul {
+                for length in row.straightLengths {
+                  li { length.string() }
+                }
+              }
+            }
+            td {
+              EffectiveLengthGroupTable(groups: row.groups)
+                .attributes(.class("w-full"))
+            }
+            td { row.totalEquivalentLength.string(digits: 0) }
+          }
+        }
+      }
+    }
+  }
+
+}
+
+struct EffectiveLengthGroupTable: HTML, Sendable {
+  let groups: [EffectiveLength.Group]
+
+  var body: some HTML<HTMLTag.table> {
+    table {
+      thead {
+        tr(.class("effectiveLengthGroupHeader")) {
+          th { "Name" }
+          th { "Length" }
+          th { "Quantity" }
+          th { "Total" }
+        }
+      }
+      tbody {
+        for row in groups {
+          tr {
+            td { "\(row.group)-\(row.letter)" }
+            td { row.value.string(digits: 0) }
+            td { row.quantity.string() }
+            td { (row.value * Double(row.quantity)).string(digits: 0) }
+          }
+        }
+      }
+    }
+  }
+}

Sources/PdfClient/Views/FrictionRateTable.swift

@@ -0,0 +1,47 @@
+import Elementary
+import ManualDCore
+
+struct FrictionRateTable: HTML, Sendable {
+  let title: String?
+  let componentLosses: [ComponentPressureLoss]
+  let frictionRate: FrictionRate
+  let totalEquivalentLength: Double
+  let displayTotals: Bool
+
+  var sortedLosses: [ComponentPressureLoss] {
+    componentLosses.sorted { $0.value > $1.value }
+  }
+
+  var body: some HTML<HTMLTag.table> {
+    table {
+      thead {
+        tr(.class("bg-green")) {
+          th { title ?? "" }
+          th(.class("justify-end")) { "Value" }
+        }
+      }
+      tbody {
+        for row in sortedLosses {
+          tr {
+            td { row.name }
+            td(.class("justify-end")) { row.value.string() }
+          }
+        }
+        if displayTotals {
+          tr {
+            td(.class("label justify-end")) { "Available Static Pressure" }
+            td(.class("justify-end")) { frictionRate.availableStaticPressure.string() }
+          }
+          tr {
+            td(.class("label justify-end")) { "Total Equivalent Length" }
+            td(.class("justify-end")) { totalEquivalentLength.string() }
+          }
+          tr {
+            td(.class("label justify-end")) { "Friction Rate Design Value" }
+            td(.class("justify-end")) { frictionRate.value.string() }
+          }
+        }
+      }
+    }
+  }
+}

Sources/PdfClient/Views/ProjectTable.swift

@@ -0,0 +1,33 @@
+import Elementary
+import ManualDCore
+
+struct ProjectTable: HTML, Sendable {
+  let project: Project
+
+  var body: some HTML<HTMLTag.table> {
+    table {
+      tbody {
+        tr {
+          td(.class("label")) { "Name" }
+          td { project.name }
+        }
+        tr {
+          td(.class("label")) { "Address" }
+          td {
+            p {
+              project.streetAddress
+              br()
+              project.cityStateZipString
+            }
+          }
+        }
+      }
+    }
+  }
+}
+
+extension Project {
+  var cityStateZipString: String {
+    return "\(city), \(state) \(zipCode)"
+  }
+}

Sources/PdfClient/Views/RegisterTable.swift

@@ -0,0 +1,33 @@
+import Elementary
+import ManualDCore
+
+struct RegisterDetailTable: HTML, Sendable {
+  let rooms: [DuctSizes.RoomContainer]
+
+  var body: some HTML<HTMLTag.table> {
+    table {
+      thead {
+        tr(.class("bg-green")) {
+          th { "Name" }
+          th { "Heating BTU" }
+          th { "Cooling BTU" }
+          th { "Heating CFM" }
+          th { "Cooling CFM" }
+          th { "Design CFM" }
+        }
+      }
+      tbody {
+        for row in rooms {
+          tr {
+            td { row.roomName }
+            td { row.heatingLoad.string(digits: 0) }
+            td { row.coolingLoad.string(digits: 0) }
+            td { row.heatingCFM.string(digits: 0) }
+            td { row.coolingCFM.string(digits: 0) }
+            td { row.designCFM.value.string(digits: 0) }
+          }
+        }
+      }
+    }
+  }
+}

Sources/PdfClient/Views/RoomTable.swift

@@ -0,0 +1,50 @@
+import Elementary
+import ManualDCore
+
+struct RoomsTable: HTML, Sendable {
+  let rooms: [Room]
+  let projectSHR: Double
+
+  var body: some HTML<HTMLTag.table> {
+    table {
+      thead {
+        tr(.class("bg-green")) {
+          th { "Name" }
+          th { "Heating BTU" }
+          th { "Cooling Total BTU" }
+          th { "Cooling Sensible BTU" }
+          th { "Register Count" }
+        }
+      }
+      tbody {
+        for room in rooms {
+          tr {
+            td { room.name }
+            td { room.heatingLoad.string(digits: 0) }
+            td { room.coolingTotal.string(digits: 0) }
+            td {
+              (room.coolingSensible
+                ?? (room.coolingTotal * projectSHR)).string(digits: 0)
+            }
+            td { room.registerCount.string() }
+          }
+        }
+        // Totals
+        // tr(.class("table-footer")) {
+        tr {
+          td(.class("label")) { "Totals" }
+          td(.class("heating label")) {
+            rooms.totalHeatingLoad.string(digits: 0)
+          }
+          td(.class("coolingTotal label")) {
+            rooms.totalCoolingLoad.string(digits: 0)
+          }
+          td(.class("coolingSensible label")) {
+            rooms.totalCoolingSensible(shr: projectSHR).string(digits: 0)
+          }
+          td {}
+        }
+      }
+    }
+  }
+}

Sources/PdfClient/Views/TrunkTable.swift

@@ -0,0 +1,42 @@
+import Elementary
+import ManualDCore
+
+struct TrunkTable: HTML, Sendable {
+  public let sizes: DuctSizes
+  public let type: TrunkSize.TrunkType
+
+  var trunks: [DuctSizes.TrunkContainer] {
+    sizes.trunks.filter { $0.type == type }
+  }
+
+  var body: some HTML<HTMLTag.table> {
+    table {
+      thead(.class("bg-green")) {
+        tr {
+          th { "Name" }
+          th { "Dsn CFM" }
+          th { "Round Size" }
+          th { "Velocity" }
+          th { "Final Size" }
+          th { "Flex Size" }
+          th { "Height" }
+          th { "Width" }
+        }
+      }
+      tbody {
+        for row in trunks {
+          tr {
+            td { row.name ?? "" }
+            td { row.designCFM.value.string(digits: 0) }
+            td { row.ductSize.roundSize.string() }
+            td { row.velocity.string() }
+            td { row.finalSize.string() }
+            td { row.flexSize.string() }
+            td { row.ductSize.height?.string() ?? "" }
+            td { row.width?.string() ?? "" }
+          }
+        }
+      }
+    }
+  }
+}

Sources/ProjectClient/DuctCalcClientError.swift

@@ -0,0 +1,9 @@
+import Foundation
+
+public struct ProjectClientError: Error {
+  public let reason: String
+
+  public init(_ reason: String) {
+    self.reason = reason
+  }
+}

Sources/ProjectClient/Interface.swift

@@ -0,0 +1,76 @@
+import Dependencies
+import DependenciesMacros
+import Elementary
+import ManualDClient
+import ManualDCore
+import Vapor
+
+extension DependencyValues {
+  public var projectClient: ProjectClient {
+    get { self[ProjectClient.self] }
+    set { self[ProjectClient.self] = newValue }
+  }
+}
+
+/// Useful helper utilities for project's.
+///
+/// This is primarily used for implementing logic required to get the needed data
+/// for the view controller client to render views.
+@DependencyClient
+public struct ProjectClient: Sendable {
+  public var calculateDuctSizes: @Sendable (Project.ID) async throws -> DuctSizes
+  public var calculateRoomDuctSizes:
+    @Sendable (Project.ID) async throws -> [DuctSizes.RoomContainer]
+  public var calculateTrunkDuctSizes:
+    @Sendable (Project.ID) async throws -> [DuctSizes.TrunkContainer]
+
+  public var createProject:
+    @Sendable (User.ID, Project.Create) async throws -> CreateProjectResponse
+
+  public var frictionRate: @Sendable (Project.ID) async throws -> FrictionRateResponse
+  public var generatePdf: @Sendable (Project.ID) async throws -> Response
+}
+
+extension ProjectClient: TestDependencyKey {
+  public static let testValue = Self()
+}
+
+extension ProjectClient {
+
+  public struct CreateProjectResponse: Codable, Equatable, Sendable {
+
+    public let projectID: Project.ID
+    public let rooms: [Room]
+    public let sensibleHeatRatio: Double?
+    public let completedSteps: Project.CompletedSteps
+
+    public init(
+      projectID: Project.ID,
+      rooms: [Room],
+      sensibleHeatRatio: Double? = nil,
+      completedSteps: Project.CompletedSteps
+    ) {
+      self.projectID = projectID
+      self.rooms = rooms
+      self.sensibleHeatRatio = sensibleHeatRatio
+      self.completedSteps = completedSteps
+    }
+  }
+
+  public struct FrictionRateResponse: Codable, Equatable, Sendable {
+
+    public let componentLosses: [ComponentPressureLoss]
+    public let equivalentLengths: EffectiveLength.MaxContainer
+    public let frictionRate: FrictionRate?
+
+    public init(
+      componentLosses: [ComponentPressureLoss],
+      equivalentLengths: EffectiveLength.MaxContainer,
+      frictionRate: FrictionRate? = nil
+    ) {
+      self.componentLosses = componentLosses
+      self.equivalentLengths = equivalentLengths
+      self.frictionRate = frictionRate
+    }
+  }
+}

Sources/ProjectClient/Internal/ComponentLoss+createDefaults.swift

@@ -0,0 +1,12 @@
+import DatabaseClient
+import ManualDCore
+
+extension DatabaseClient.ComponentLoss {
+
+  func createDefaults(projectID: Project.ID) async throws {
+    let defaults = ComponentPressureLoss.Create.default(projectID: projectID)
+    for loss in defaults {
+      _ = try await create(loss)
+    }
+  }
+}

Sources/ProjectClient/Internal/DatabaseClient+calculateDuctSizes.swift

@@ -0,0 +1,200 @@
+import DatabaseClient
+import Dependencies
+import ManualDClient
+import ManualDCore
+
+extension DatabaseClient {
+
+  func calculateDuctSizes(
+    details: Project.Detail
+  ) async throws -> (DuctSizes, DuctSizeSharedRequest) {
+    let (rooms, shared) = try await calculateRoomDuctSizes(details: details)
+    let (trunks, _) = try await calculateTrunkDuctSizes(details: details)
+    return (.init(rooms: rooms, trunks: trunks), shared)
+  }
+
+  func calculateDuctSizes(
+    projectID: Project.ID
+  ) async throws -> (DuctSizes, DuctSizeSharedRequest, [Room]) {
+    @Dependency(\.manualD) var manualD
+
+    let shared = try await sharedDuctRequest(projectID)
+    let rooms = try await rooms.fetch(projectID)
+
+    return try await (
+      manualD.calculateDuctSizes(
+        rooms: rooms,
+        trunks: trunkSizes.fetch(projectID),
+        sharedRequest: shared
+      ),
+      shared,
+      rooms
+    )
+  }
+
+  func calculateRoomDuctSizes(
+    details: Project.Detail
+  ) async throws -> ([DuctSizes.RoomContainer], DuctSizeSharedRequest) {
+    @Dependency(\.manualD) var manualD
+
+    let shared = try sharedDuctRequest(details: details)
+    let rooms = try await manualD.calculateRoomSizes(rooms: details.rooms, sharedRequest: shared)
+    return (rooms, shared)
+  }
+
+  func calculateRoomDuctSizes(
+    projectID: Project.ID
+  ) async throws -> ([DuctSizes.RoomContainer], DuctSizeSharedRequest) {
+    @Dependency(\.manualD) var manualD
+
+    let shared = try await sharedDuctRequest(projectID)
+
+    return try await (
+      manualD.calculateRoomSizes(
+        rooms: rooms.fetch(projectID),
+        sharedRequest: shared
+      ),
+      shared
+    )
+  }
+
+  func calculateTrunkDuctSizes(
+    details: Project.Detail
+  ) async throws -> ([DuctSizes.TrunkContainer], DuctSizeSharedRequest) {
+    @Dependency(\.manualD) var manualD
+
+    let shared = try sharedDuctRequest(details: details)
+    let trunks = try await manualD.calculateTrunkSizes(
+      rooms: details.rooms,
+      trunks: details.trunks,
+      sharedRequest: shared
+    )
+    return (trunks, shared)
+  }
+
+  func calculateTrunkDuctSizes(
+    projectID: Project.ID
+  ) async throws -> ([DuctSizes.TrunkContainer], DuctSizeSharedRequest) {
+    @Dependency(\.manualD) var manualD
+
+    let shared = try await sharedDuctRequest(projectID)
+
+    return try await (
+      manualD.calculateTrunkSizes(
+        rooms: rooms.fetch(projectID),
+        trunks: trunkSizes.fetch(projectID),
+        sharedRequest: shared
+      ),
+      shared
+    )
+  }
+
+  func sharedDuctRequest(details: Project.Detail) throws -> DuctSizeSharedRequest {
+    guard
+      let dfrResponse = designFrictionRate(
+        componentLosses: details.componentLosses,
+        equipmentInfo: details.equipmentInfo,
+        equivalentLengths: details.maxContainer
+      )
+    else {
+      throw ProjectClientError("Project not complete.")
+    }
+
+    guard let projectSHR = details.project.sensibleHeatRatio else {
+      throw ProjectClientError("Project sensible heat ratio not set.")
+    }
+
+    let ensuredTEL = try dfrResponse.ensureMaxContainer()
+
+    return .init(
+      equipmentInfo: dfrResponse.equipmentInfo,
+      maxSupplyLength: ensuredTEL.supply,
+      maxReturnLenght: ensuredTEL.return,
+      designFrictionRate: dfrResponse.designFrictionRate,
+      projectSHR: projectSHR
+    )
+  }
+
+  func sharedDuctRequest(_ projectID: Project.ID) async throws -> DuctSizeSharedRequest {
+
+    guard let dfrResponse = try await designFrictionRate(projectID: projectID) else {
+      throw ProjectClientError("Project not complete.")
+    }
+
+    let ensuredTEL = try dfrResponse.ensureMaxContainer()
+
+    return try await .init(
+      equipmentInfo: dfrResponse.equipmentInfo,
+      maxSupplyLength: ensuredTEL.supply,
+      maxReturnLenght: ensuredTEL.return,
+      designFrictionRate: dfrResponse.designFrictionRate,
+      projectSHR: ensuredSHR(projectID)
+    )
+
+  }
+
+  // Fetches the project sensible heat ratio or throws an error if it's nil.
+  func ensuredSHR(_ projectID: Project.ID) async throws -> Double {
+    guard let projectSHR = try await projects.getSensibleHeatRatio(projectID) else {
+      throw ProjectClientError("Project sensible heat ratio not set.")
+    }
+    return projectSHR
+  }
+
+  // Internal container.
+  struct DesignFrictionRateResponse: Equatable, Sendable {
+
+    typealias EnsuredTEL = (supply: EffectiveLength, return: EffectiveLength)
+
+    let designFrictionRate: Double
+    let equipmentInfo: EquipmentInfo
+    let telMaxContainer: EffectiveLength.MaxContainer
+
+    func ensureMaxContainer() throws -> EnsuredTEL {
+
+      guard let maxSupplyLength = telMaxContainer.supply else {
+        throw ProjectClientError("Max supply TEL not found")
+      }
+      guard let maxReturnLength = telMaxContainer.return else {
+        throw ProjectClientError("Max supply TEL not found")
+      }
+
+      return (maxSupplyLength, maxReturnLength)
+
+    }
+  }
+
+  func designFrictionRate(
+    componentLosses: [ComponentPressureLoss],
+    equipmentInfo: EquipmentInfo,
+    equivalentLengths: EffectiveLength.MaxContainer
+  ) -> DesignFrictionRateResponse? {
+    guard let tel = equivalentLengths.total,
+      componentLosses.count > 0
+    else { return nil }
+
+    let availableStaticPressure = equipmentInfo.staticPressure - componentLosses.total
+
+    return .init(
+      designFrictionRate: (availableStaticPressure * 100) / tel,
+      equipmentInfo: equipmentInfo,
+      telMaxContainer: equivalentLengths
+    )
+
+  }
+
+  func designFrictionRate(
+    projectID: Project.ID
+  ) async throws -> DesignFrictionRateResponse? {
+
+    guard let equipmentInfo = try await equipment.fetch(projectID) else {
+      return nil
+    }
+
+    return try await designFrictionRate(
+      componentLosses: componentLoss.fetch(projectID),
+      equipmentInfo: equipmentInfo,
+      equivalentLengths: effectiveLength.fetchMax(projectID)
+    )
+  }
+}

Sources/ProjectClient/Internal/ManualDClient+calculateDuctSizes.swift

@@ -0,0 +1,223 @@
+import Logging
+import ManualDClient
+import ManualDCore
+
+struct DuctSizeSharedRequest {
+  let equipmentInfo: EquipmentInfo
+  let maxSupplyLength: EffectiveLength
+  let maxReturnLenght: EffectiveLength
+  let designFrictionRate: Double
+  let projectSHR: Double
+}
+
+// TODO: Remove Logger and use depedency logger.
+
+extension ManualDClient {
+
+  func calculateDuctSizes(
+    rooms: [Room],
+    trunks: [TrunkSize],
+    sharedRequest: DuctSizeSharedRequest,
+    logger: Logger? = nil
+  ) async throws -> DuctSizes {
+    try await .init(
+      rooms: calculateRoomSizes(
+        rooms: rooms,
+        sharedRequest: sharedRequest
+      ),
+      trunks: calculateTrunkSizes(
+        rooms: rooms,
+        trunks: trunks,
+        sharedRequest: sharedRequest
+      )
+    )
+  }
+
+  func calculateRoomSizes(
+    rooms: [Room],
+    sharedRequest: DuctSizeSharedRequest,
+    logger: Logger? = nil
+  ) async throws -> [DuctSizes.RoomContainer] {
+
+    var retval: [DuctSizes.RoomContainer] = []
+    let totalHeatingLoad = rooms.totalHeatingLoad
+    let totalCoolingSensible = rooms.totalCoolingSensible(shr: sharedRequest.projectSHR)
+
+    for room in rooms {
+      let heatingLoad = room.heatingLoadPerRegister
+      let coolingLoad = room.coolingSensiblePerRegister(projectSHR: sharedRequest.projectSHR)
+      let heatingPercent = heatingLoad / totalHeatingLoad
+      let coolingPercent = coolingLoad / totalCoolingSensible
+      let heatingCFM = heatingPercent * Double(sharedRequest.equipmentInfo.heatingCFM)
+      let coolingCFM = coolingPercent * Double(sharedRequest.equipmentInfo.coolingCFM)
+      let designCFM = DuctSizes.DesignCFM(heating: heatingCFM, cooling: coolingCFM)
+      let sizes = try await self.ductSize(
+        .init(designCFM: Int(designCFM.value), frictionRate: sharedRequest.designFrictionRate)
+      )
+
+      for n in 1...room.registerCount {
+
+        var rectangularWidth: Int? = nil
+        let rectangularSize = room.rectangularSizes?
+          .first(where: { $0.register == nil || $0.register == n })
+
+        if let rectangularSize {
+          let response = try await self.rectangularSize(
+            .init(round: sizes.finalSize, height: rectangularSize.height)
+          )
+          rectangularWidth = response.width
+        }
+
+        retval.append(
+          .init(
+            roomID: room.id,
+            roomName: "\(room.name)-\(n)",
+            roomRegister: n,
+            heatingLoad: heatingLoad,
+            coolingLoad: coolingLoad,
+            heatingCFM: heatingCFM,
+            coolingCFM: coolingCFM,
+            ductSize: .init(
+              designCFM: designCFM,
+              sizes: sizes,
+              rectangularSize: rectangularSize,
+              width: rectangularWidth
+            )
+          )
+        )
+      }
+    }
+
+    return retval
+  }
+
+  func calculateTrunkSizes(
+    rooms: [Room],
+    trunks: [TrunkSize],
+    sharedRequest: DuctSizeSharedRequest,
+    logger: Logger? = nil
+  ) async throws -> [DuctSizes.TrunkContainer] {
+
+    var retval = [DuctSizes.TrunkContainer]()
+    let totalHeatingLoad = rooms.totalHeatingLoad
+    let totalCoolingSensible = rooms.totalCoolingSensible(shr: sharedRequest.projectSHR)
+
+    for trunk in trunks {
+      let heatingLoad = trunk.totalHeatingLoad
+      let coolingLoad = trunk.totalCoolingSensible(projectSHR: sharedRequest.projectSHR)
+      let heatingPercent = heatingLoad / totalHeatingLoad
+      let coolingPercent = coolingLoad / totalCoolingSensible
+      let heatingCFM = heatingPercent * Double(sharedRequest.equipmentInfo.heatingCFM)
+      let coolingCFM = coolingPercent * Double(sharedRequest.equipmentInfo.coolingCFM)
+      let designCFM = DuctSizes.DesignCFM(heating: heatingCFM, cooling: coolingCFM)
+      let sizes = try await self.ductSize(
+        .init(designCFM: Int(designCFM.value), frictionRate: sharedRequest.designFrictionRate)
+      )
+      var width: Int? = nil
+      if let height = trunk.height {
+        let rectangularSize = try await self.rectangularSize(
+          .init(round: sizes.finalSize, height: height)
+        )
+        width = rectangularSize.width
+      }
+
+      retval.append(
+        .init(
+          trunk: trunk,
+          ductSize: .init(
+            designCFM: designCFM,
+            sizes: sizes,
+            height: trunk.height,
+            width: width
+          )
+        )
+      )
+    }
+
+    return retval
+  }
+
+}
+
+extension DuctSizes.SizeContainer {
+  init(
+    designCFM: DuctSizes.DesignCFM,
+    sizes: ManualDClient.DuctSizeResponse,
+    height: Int?,
+    width: Int?
+  ) {
+    self.init(
+      rectangularID: nil,
+      designCFM: designCFM,
+      roundSize: sizes.calculatedSize,
+      finalSize: sizes.finalSize,
+      velocity: sizes.velocity,
+      flexSize: sizes.flexSize,
+      height: height,
+      width: width
+    )
+  }
+
+  init(
+    designCFM: DuctSizes.DesignCFM,
+    sizes: ManualDClient.DuctSizeResponse,
+    rectangularSize: Room.RectangularSize?,
+    width: Int?
+  ) {
+    self.init(
+      rectangularID: rectangularSize?.id,
+      designCFM: designCFM,
+      roundSize: sizes.calculatedSize,
+      finalSize: sizes.finalSize,
+      velocity: sizes.velocity,
+      flexSize: sizes.flexSize,
+      height: rectangularSize?.height,
+      width: width
+    )
+  }
+}
+
+extension Room {
+
+  var heatingLoadPerRegister: Double {
+
+    heatingLoad / Double(registerCount)
+  }
+
+  func coolingSensiblePerRegister(projectSHR: Double) -> Double {
+    let sensible = coolingSensible ?? (coolingTotal * projectSHR)
+    return sensible / Double(registerCount)
+  }
+}
+
+extension TrunkSize.RoomProxy {
+
+  // We need to make sure if registers got removed after a trunk
+  // was already made / saved that we do not include registers that
+  // no longer exist.
+  private var actualRegisterCount: Int {
+    guard registers.count <= room.registerCount else {
+      return room.registerCount
+    }
+    return registers.count
+  }
+
+  var totalHeatingLoad: Double {
+    room.heatingLoadPerRegister * Double(actualRegisterCount)
+  }
+
+  func totalCoolingSensible(projectSHR: Double) -> Double {
+    room.coolingSensiblePerRegister(projectSHR: projectSHR) * Double(actualRegisterCount)
+  }
+}
+
+extension TrunkSize {
+
+  var totalHeatingLoad: Double {
+    rooms.reduce(into: 0) { $0 += $1.totalHeatingLoad }
+  }
+
+  func totalCoolingSensible(projectSHR: Double) -> Double {
+    rooms.reduce(into: 0) { $0 += $1.totalCoolingSensible(projectSHR: projectSHR) }
+  }
+}

Sources/ProjectClient/Internal/ManualDClient+frictionRate.swift

@@ -0,0 +1,55 @@
+import DatabaseClient
+import Dependencies
+import ManualDClient
+import ManualDCore
+
+extension ManualDClient {
+
+  func frictionRate(details: Project.Detail) async throws -> ProjectClient.FrictionRateResponse {
+
+    let maxContainer = details.maxContainer
+    guard let totalEquivalentLength = maxContainer.total else {
+      return .init(componentLosses: details.componentLosses, equivalentLengths: maxContainer)
+    }
+
+    return try await .init(
+      componentLosses: details.componentLosses,
+      equivalentLengths: maxContainer,
+      frictionRate: frictionRate(
+        .init(
+          externalStaticPressure: details.equipmentInfo.staticPressure,
+          componentPressureLosses: details.componentLosses,
+          totalEffectiveLength: Int(totalEquivalentLength)
+        )
+      )
+    )
+  }
+
+  func frictionRate(projectID: Project.ID) async throws -> ProjectClient.FrictionRateResponse {
+    @Dependency(\.database) var database
+
+    let componentLosses = try await database.componentLoss.fetch(projectID)
+    let lengths = try await database.effectiveLength.fetchMax(projectID)
+
+    let equipmentInfo = try await database.equipment.fetch(projectID)
+    guard let staticPressure = equipmentInfo?.staticPressure else {
+      return .init(componentLosses: componentLosses, equivalentLengths: lengths)
+    }
+
+    guard let totalEquivalentLength = lengths.total else {
+      return .init(componentLosses: componentLosses, equivalentLengths: lengths)
+    }
+
+    return try await .init(
+      componentLosses: componentLosses,
+      equivalentLengths: lengths,
+      frictionRate: frictionRate(
+        .init(
+          externalStaticPressure: staticPressure,
+          componentPressureLosses: database.componentLoss.fetch(projectID),
+          totalEffectiveLength: Int(totalEquivalentLength)
+        )
+      )
+    )
+  }
+}

Sources/ProjectClient/Internal/ProjectDetail+maxContainer.swift

@@ -0,0 +1,14 @@
+import ManualDCore
+
+extension Project.Detail {
+  var maxContainer: EffectiveLength.MaxContainer {
+    .init(
+      supply: equivalentLengths.filter({ $0.type == .supply })
+        .sorted(by: { $0.totalEquivalentLength > $1.totalEquivalentLength })
+        .first,
+      return: equivalentLengths.filter({ $0.type == .return })
+        .sorted(by: { $0.totalEquivalentLength > $1.totalEquivalentLength })
+        .first
+    )
+  }
+}

Sources/ProjectClient/Live.swift

@@ -0,0 +1,110 @@
+import DatabaseClient
+import Dependencies
+import FileClient
+import Logging
+import ManualDClient
+import ManualDCore
+import PdfClient
+
+extension ProjectClient: DependencyKey {
+
+  public static var liveValue: Self {
+    @Dependency(\.database) var database
+    @Dependency(\.manualD) var manualD
+    @Dependency(\.pdfClient) var pdfClient
+    @Dependency(\.fileClient) var fileClient
+
+    return .init(
+      calculateDuctSizes: { projectID in
+        try await database.calculateDuctSizes(projectID: projectID).0
+      },
+      calculateRoomDuctSizes: { projectID in
+        try await database.calculateRoomDuctSizes(projectID: projectID).0
+      },
+      calculateTrunkDuctSizes: { projectID in
+        try await database.calculateTrunkDuctSizes(projectID: projectID).0
+      },
+      createProject: { userID, request in
+        let project = try await database.projects.create(userID, request)
+        try await database.componentLoss.createDefaults(projectID: project.id)
+        return try await .init(
+          projectID: project.id,
+          rooms: database.rooms.fetch(project.id),
+          sensibleHeatRatio: database.projects.getSensibleHeatRatio(project.id),
+          completedSteps: database.projects.getCompletedSteps(project.id)
+        )
+      },
+      frictionRate: { projectID in
+        try await manualD.frictionRate(projectID: projectID)
+      },
+      generatePdf: { projectID in
+        let pdfResponse = try await pdfClient.generatePdf(
+          request: database.makePdfRequest(projectID)
+        )
+
+        let response = try await fileClient.streamFile(
+          pdfResponse.pdfPath,
+          {
+            try await fileClient.removeFile(pdfResponse.htmlPath)
+            try await fileClient.removeFile(pdfResponse.pdfPath)
+          }
+        )
+
+        response.headers.replaceOrAdd(name: .contentType, value: "application/octet-stream")
+        response.headers.replaceOrAdd(
+          name: .contentDisposition, value: "attachment; filename=Duct-Calc.pdf"
+        )
+
+        return response
+      }
+    )
+  }
+
+}
+
+extension DatabaseClient {
+
+  fileprivate func makePdfRequest(_ projectID: Project.ID) async throws -> PdfClient.Request {
+    @Dependency(\.manualD) var manualD
+
+    guard let projectDetails = try await projects.detail(projectID) else {
+      throw ProjectClientError("Project not found. id: \(projectID)")
+    }
+
+    let (ductSizes, shared) = try await calculateDuctSizes(details: projectDetails)
+
+    let frictionRateResponse = try await manualD.frictionRate(details: projectDetails)
+    guard let frictionRate = frictionRateResponse.frictionRate else {
+      throw ProjectClientError("Friction rate not found. id: \(projectID)")
+    }
+
+    return .init(
+      details: projectDetails,
+      ductSizes: ductSizes,
+      shared: shared,
+      frictionRate: frictionRate
+    )
+  }
+
+}
+
+extension PdfClient.Request {
+  init(
+    details: Project.Detail,
+    ductSizes: DuctSizes,
+    shared: DuctSizeSharedRequest,
+    frictionRate: FrictionRate
+  ) {
+    self.init(
+      project: details.project,
+      rooms: details.rooms,
+      componentLosses: details.componentLosses,
+      ductSizes: ductSizes,
+      equipmentInfo: details.equipmentInfo,
+      maxSupplyTEL: shared.maxSupplyLength,
+      maxReturnTEL: shared.maxReturnLenght,
+      frictionRate: frictionRate,
+      projectSHR: shared.projectSHR
+    )
+  }
+}

Sources/Styleguide/Alert.swift

@@ -0,0 +1,28 @@
+import Elementary
+
+public struct Alert<Content: HTML>: HTML {
+
+  let inner: Content
+
+  public init(@HTMLBuilder content: () -> Content) {
+    self.inner = content()
+  }
+
+  public var body: some HTML<HTMLTag.div> {
+    div(.class("flex space-x-2")) {
+      SVG(.triangleAlert)
+      inner
+    }
+  }
+}
+
+extension Alert: Sendable where Content: Sendable {}
+
+extension Alert where Content == p<HTMLText> {
+
+  public init(_ description: String) {
+    self.init {
+      p { description }
+    }
+  }
+}

Sources/Styleguide/Badge.swift

@@ -0,0 +1,28 @@
+import Elementary
+
+public struct Badge<Inner: HTML>: HTML, Sendable where Inner: Sendable {
+
+  let inner: Inner
+
+  public init(
+    @HTMLBuilder inner: () -> Inner
+  ) {
+    self.inner = inner()
+  }
+
+  public var body: some HTML<HTMLTag.div> {
+    div(.class("badge badge-lg badge-outline")) {
+      inner
+    }
+  }
+}
+
+extension Badge where Inner == Number {
+  public init(number: Int) {
+    self.inner = Number(number)
+  }
+
+  public init(number: Double, digits: Int = 2) {
+    self.inner = Number(number, digits: digits)
+  }
+}

Sources/Styleguide/Buttons.swift

@@ -65,7 +65,7 @@ public struct EditButton: HTML, Sendable {
   }
 
   public var body: some HTML<HTMLTag.button> {
-    button(.class("btn btn-success btn-circle"), .type(type)) {
+    button(.class("btn"), .type(type)) {
       div(.class("flex")) {
         if let title {
           span(.class("pe-2")) { title }
@@ -83,7 +83,7 @@ public struct PlusButton: HTML, Sendable {
   public var body: some HTML<HTMLTag.button> {
     button(
       .type(.button),
-      .class("btn btn-primary btn-circle text-xl")
+      .class("btn")
     ) { SVG(.circlePlus) }
   }
 }

Sources/Styleguide/Date.swift

@@ -6,7 +6,7 @@ public struct DateView: HTML, Sendable {
 
   var formatter: DateFormatter {
     let formatter = DateFormatter()
-    formatter.dateStyle = .short
+    formatter.dateFormat = "MM/dd/yyyy"
     return formatter
   }
 

Sources/Styleguide/ElementaryExtensions.swift

@@ -40,3 +40,17 @@ extension HTMLAttribute where Tag == HTMLTag.button {
     .on(.click, "\(id).showModal()")
   }
 }
+
+extension HTML where Tag: HTMLTrait.Attributes.Global {
+  public func badge() -> _AttributedElement<Self> {
+    attributes(.class("badge badge-lg badge-outline"))
+  }
+
+  public func hidden(when shouldHide: Bool) -> _AttributedElement<Self> {
+    attributes(.class("hidden"), when: shouldHide)
+  }
+
+  public func bold(when shouldBeBold: Bool = true) -> _AttributedElement<Self> {
+    attributes(.class("font-bold"), when: shouldBeBold)
+  }
+}

Sources/Styleguide/HTMXExtensions.swift

@@ -32,6 +32,6 @@ extension HTMLAttribute.hx {
 extension HTMLAttribute.hx {
   @Sendable
   public static func indicator() -> HTMLAttribute {
-    indicator(".hx-indicator")
+    indicator(".htmx-indicator")
   }
 }

Sources/Styleguide/Input.swift

@@ -1,5 +1,26 @@
 import Elementary
 
+public struct LabeledInput: HTML, Sendable {
+
+  let labelText: String
+  let inputAttributes: [HTMLAttribute<HTMLTag.input>]
+
+  public init(
+    _ label: String,
+    _ attributes: HTMLAttribute<HTMLTag.input>...
+  ) {
+    self.labelText = label
+    self.inputAttributes = attributes
+  }
+
+  public var body: some HTML<HTMLTag.label> {
+    label(.class("input w-full")) {
+      span(.class("label")) { labelText }
+      input(attributes: inputAttributes)
+    }
+  }
+}
+
 public struct Input: HTML, Sendable {
 
   let id: String?

Sources/Styleguide/Label.swift

@@ -13,7 +13,7 @@ public struct Label: HTML, Sendable {
   }
 
   public var body: some HTML<HTMLTag.span> {
-    span(.class("text-xl text-gray-400 font-bold")) {
+    span(.class("text-lg label font-bold")) {
       title
     }
   }

Sources/Styleguide/LabeledContent.swift

@@ -0,0 +1,72 @@
+import Elementary
+
+public struct LabeledContent<Label: HTML, Content: HTML>: HTML {
+  let label: @Sendable () -> Label
+  let content: @Sendable () -> Content
+  let position: LabelPosition
+
+  public init(
+    position: LabelPosition = .default,
+    @HTMLBuilder label: @escaping @Sendable () -> Label,
+    @HTMLBuilder content: @escaping @Sendable () -> Content
+  ) {
+    self.position = position
+    self.label = label
+    self.content = content
+  }
+
+  public var body: some HTML<HTMLTag.div> {
+    div {
+      switch position {
+      case .leading:
+        label()
+        content()
+      case .trailing:
+        content()
+        label()
+      case .top:
+        label()
+        content()
+      case .bottom:
+        content()
+        label()
+      }
+    }
+    .attributes(.class("flex space-x-4"), when: position.isHorizontal)
+    .attributes(.class("space-y-4"), when: position.isVertical)
+  }
+}
+
+// TODO: Merge / use TooltipPosition
+public enum LabelPosition: String, CaseIterable, Equatable, Sendable {
+  case leading
+  case trailing
+  case top
+  case bottom
+
+  var isHorizontal: Bool {
+    self == .leading || self == .trailing
+  }
+
+  var isVertical: Bool {
+    self == .top || self == .bottom
+  }
+
+  public static let `default` = Self.leading
+}
+
+extension LabeledContent: Sendable where Label: Sendable, Content: Sendable {}
+
+extension LabeledContent where Label == Styleguide.Label {
+
+  public init(
+    _ label: String, position: LabelPosition = .default,
+    @HTMLBuilder content: @escaping @Sendable () -> Content
+  ) {
+    self.init(
+      position: position,
+      label: { Label(label) },
+      content: content
+    )
+  }
+}

Sources/Styleguide/ModalForm.swift

@@ -19,7 +19,7 @@ public struct ModalForm<T: HTML>: HTML, Sendable where T: Sendable {
     self.inner = inner()
   }
 
-  public var body: some HTML {
+  public var body: some HTML<HTMLTag.dialog> {
     dialog(.id(id), .class("modal")) {
       div(.class("modal-box")) {
         if closeButton {

Sources/Styleguide/Number.swift

@@ -1,16 +1,19 @@
 import Elementary
 import Foundation
+import ManualDCore
 
 public struct Number: HTML, Sendable {
   let fractionDigits: Int
   let value: Double
 
-  private var formatter: NumberFormatter {
-    let formatter = NumberFormatter()
-    formatter.maximumFractionDigits = fractionDigits
-    formatter.numberStyle = .decimal
-    return formatter
-  }
+  // private var formatter: NumberFormatter {
+  //   let formatter = NumberFormatter()
+  //   formatter.maximumFractionDigits = fractionDigits
+  //   formatter.numberStyle = .decimal
+  //   formatter.groupingSize = 3
+  //   formatter.groupingSeparator = ","
+  //   return formatter
+  // }
 
   public init(
     _ value: Double,
@@ -27,6 +30,6 @@ public struct Number: HTML, Sendable {
   }
 
   public var body: some HTML<HTMLTag.span> {
-    span { formatter.string(for: value) ?? "N/A" }
+    span { value.string(digits: fractionDigits) }
   }
 }

Sources/Styleguide/PageTitle.swift

@@ -0,0 +1,40 @@
+import Elementary
+
+public struct PageTitleRow<Content: HTML>: HTML, Sendable where Content: Sendable {
+
+  let inner: Content
+
+  public init(@HTMLBuilder content: () -> Content) {
+    self.inner = content()
+  }
+
+  public var body: some HTML<HTMLTag.div> {
+    div(
+      .class(
+        """
+        flex justify-between bg-secondary border-2 border-primary rounded-sm shadow-sm 
+        p-6 w-full
+        """
+      )
+    ) {
+      inner
+    }
+  }
+}
+
+public struct PageTitle: HTML, Sendable {
+
+  let title: String
+
+  public init(_ title: String) {
+    self.title = title
+  }
+
+  public init(_ title: () -> String) {
+    self.title = title()
+  }
+
+  public var body: some HTML<HTMLTag.h1> {
+    h1(.class("text-3xl font-bold")) { title }
+  }
+}

Sources/Styleguide/ResultView.swift

@@ -1,89 +1,76 @@
 import Elementary
 import Foundation
 
-public struct ResultView<
-  V: Sendable,
-  E: Error,
-  ValueView: HTML,
-  ErrorView: HTML
->: HTML {
+public struct ResultView<ValueView, ErrorView>: HTML where ValueView: HTML, ErrorView: HTML {
 
-  let onSuccess: @Sendable (V) -> ValueView
-  let onError: @Sendable (E) -> ErrorView
-  let result: Result<V, E>
+  let result: Result<ValueView, any Error>
+  let errorView: @Sendable (any Error) -> ErrorView
 
   public init(
-    result: Result<V, E>,
-    @HTMLBuilder onSuccess: @escaping @Sendable (V) -> ValueView,
-    @HTMLBuilder onError: @escaping @Sendable (E) -> ErrorView
-  ) {
-    self.result = result
-    self.onError = onError
-    self.onSuccess = onSuccess
+    _ content: @escaping @Sendable () async throws -> ValueView,
+    onError: @escaping @Sendable (any Error) -> ErrorView
+  ) async {
+    self.result = await Result(catching: content)
+    self.errorView = onError
   }
 
   public var body: some HTML {
     switch result {
-    case .success(let value):
-      onSuccess(value)
+    case .success(let view):
+      view
     case .failure(let error):
-      onError(error)
+      errorView(error)
     }
   }
 }
 
-extension ResultView {
+extension ResultView where ErrorView == Styleguide.ErrorView {
 
   public init(
-    result: Result<V, E>,
-    @HTMLBuilder onSuccess: @escaping @Sendable (V) -> ValueView
-  ) where ErrorView == Styleguide.ErrorView<E> {
-    self.init(result: result, onSuccess: onSuccess) { error in
-      Styleguide.ErrorView(error: error)
-    }
+    _ content: @escaping @Sendable () async throws -> ValueView
+  ) async {
+    await self.init(
+      content,
+      onError: { Styleguide.ErrorView(error: $0) }
+    )
+  }
+
+  public init<V: Sendable>(
+    catching: @escaping @Sendable () async throws -> V,
+    onSuccess content: @escaping @Sendable (V) -> ValueView
+  ) async where ValueView: Sendable {
+    await self.init(
+      {
+        try await content(catching())
+      }
+    )
   }
 
   public init(
-    catching: @escaping @Sendable () async throws(E) -> V,
-    @HTMLBuilder onSuccess: @escaping @Sendable (V) -> ValueView
-  ) async where ErrorView == Styleguide.ErrorView<E> {
+    catching: @escaping @Sendable () async throws -> Void
+  ) async where ValueView == EmptyHTML {
     await self.init(
-      result: .init(catching: catching),
-      onSuccess: onSuccess
-    ) { error in
-      Styleguide.ErrorView(error: error)
-    }
-  }
-
-  public init(
-    catching: @escaping @Sendable () async throws(E) -> V,
-  ) async where ErrorView == Styleguide.ErrorView<E>, V == Void, ValueView == EmptyHTML {
-    await self.init(
-      result: .init(catching: catching),
+      catching: catching,
       onSuccess: { EmptyHTML() }
-    ) { error in
-      Styleguide.ErrorView(error: error)
-    }
+    )
   }
 }
 
-extension ResultView: Sendable where Error: Sendable, ValueView: Sendable, ErrorView: Sendable {}
+extension ResultView: Sendable where ValueView: Sendable, ErrorView: Sendable {}
 
-public struct ErrorView<E: Error>: HTML, Sendable where Error: Sendable {
+public struct ErrorView: HTML, Sendable {
+  let error: any Error
 
-  let error: E
-
-  public init(error: E) {
+  public init(error: any Error) {
     self.error = error
   }
 
   public var body: some HTML<HTMLTag.div> {
     div {
-      h1(.class("text-2xl font-bold text-error")) { "Oops: Error" }
+      h1(.class("text-xl font-bold text-error")) { "Oops: Error" }
       p {
-        "\(error)"
+        "\(error.localizedDescription)"
       }
     }
   }
-
 }

Sources/Styleguide/SVG.swift

@@ -17,11 +17,15 @@ extension SVG {
   public enum Key: Sendable {
     case badgeCheck
     case ban
+    case chevronDown
     case chevronRight
+    case chevronsLeft
     case circlePlus
+    case circleUser
     case close
     case doorClosed
     case email
+    case fan
     case key
     case mapPin
     case rulerDimensionLine
@@ -29,6 +33,7 @@ extension SVG {
     case squareFunction
     case squarePen
     case trash
+    case triangleAlert
     case user
     case wind
 
@@ -42,14 +47,26 @@ extension SVG {
         return """
           <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-ban-icon lucide-ban"><path d="M4.929 4.929 19.07 19.071"/><circle cx="12" cy="12" r="10"/></svg>
           """
+      case .chevronDown:
+        return """
+          <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-down-icon lucide-chevron-down"><path d="m6 9 6 6 6-6"/></svg>
+          """
       case .chevronRight:
         return """
           <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-right-icon lucide-chevron-right"><path d="m9 18 6-6-6-6"/></svg>
           """
+      case .chevronsLeft:
+        return """
+          <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevrons-left-icon lucide-chevrons-left"><path d="m11 17-5-5 5-5"/><path d="m18 17-5-5 5-5"/></svg>
+          """
       case .circlePlus:
         return """
           <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-circle-plus-icon lucide-circle-plus"><circle cx="12" cy="12" r="10"/><path d="M8 12h8"/><path d="M12 8v8"/></svg>
           """
+      case .circleUser:
+        return """
+          <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-circle-user-icon lucide-circle-user"><circle cx="12" cy="12" r="10"/><circle cx="12" cy="10" r="3"/><path d="M7 20.662V19a2 2 0 0 1 2-2h6a2 2 0 0 1 2 2v1.662"/></svg>
+          """
       case .close:
         return """
             <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-x-icon lucide-x"><path d="M18 6 6 18"/><path d="m6 6 12 12"/></svg>
@@ -73,6 +90,10 @@ extension SVG {
             </g>
           </svg>
           """
+      case .fan:
+        return """
+          <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-fan-icon lucide-fan"><path d="M10.827 16.379a6.082 6.082 0 0 1-8.618-7.002l5.412 1.45a6.082 6.082 0 0 1 7.002-8.618l-1.45 5.412a6.082 6.082 0 0 1 8.618 7.002l-5.412-1.45a6.082 6.082 0 0 1-7.002 8.618l1.45-5.412Z"/><path d="M12 12v.01"/></svg>
+          """
       case .key:
         return """
             <svg class="h-[1em] opacity-50" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
@@ -115,6 +136,10 @@ extension SVG {
         return """
           <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-trash2-icon lucide-trash-2"><path d="M10 11v6"/><path d="M14 11v6"/><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6"/><path d="M3 6h18"/><path d="M8 6V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/></svg>
           """
+      case .triangleAlert:
+        return """
+          <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-triangle-alert-icon lucide-triangle-alert"><path d="m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3"/><path d="M12 9v4"/><path d="M12 17h.01"/></svg>
+          """
       case .user:
         return """
             <svg class="h-[1em] opacity-50" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">

Sources/Styleguide/Tooltip.swift

@@ -1,6 +1,18 @@
 import Elementary
 
-public struct Tooltip<Inner: HTML & Sendable>: HTML, Sendable {
+extension HTML {
+
+  public func tooltip(
+    _ tip: String,
+    position: TooltipPosition = .default
+  ) -> Tooltip<Self> {
+    Tooltip(tip, position: position) {
+      self
+    }
+  }
+}
+
+public struct Tooltip<Inner: HTML>: HTML {
 
   let tooltip: String
   let position: TooltipPosition
@@ -26,6 +38,8 @@ public struct Tooltip<Inner: HTML & Sendable>: HTML, Sendable {
   }
 }
 
+extension Tooltip: Sendable where Inner: Sendable {}
+
 public enum TooltipPosition: String, CaseIterable, Sendable {
 
   public static let `default` = Self.left

Sources/ViewController/Extensions/DatabaseExtensions.swift

@@ -1,75 +0,0 @@
-import DatabaseClient
-import Dependencies
-import Fluent
-import ManualDClient
-import ManualDCore
-import Vapor
-
-// FIX: Remove these, not used currently.
-extension DatabaseClient.Projects {
-
-  func fetchPage(
-    userID: User.ID,
-    page: Int = 1,
-    limit: Int = 25
-  ) async throws -> Page<Project> {
-    try await fetch(userID, .init(page: page, per: limit))
-  }
-
-  func fetchPage(
-    userID: User.ID,
-    page: PageRequest
-  ) async throws -> Page<Project> {
-    try await fetch(userID, page)
-  }
-}
-
-extension DatabaseClient {
-
-  func calculateDuctSizes(projectID: Project.ID) async throws -> [DuctSizing.RoomContainer] {
-    @Dependency(\.manualD) var manualD
-
-    return try await manualD.calculate(
-      rooms: rooms.fetch(projectID),
-      designFrictionRateResult: designFrictionRate(projectID: projectID),
-      projectSHR: projects.getSensibleHeatRatio(projectID)
-    )
-  }
-
-  func designFrictionRate(
-    projectID: Project.ID
-  ) async throws -> (EquipmentInfo, EffectiveLength.MaxContainer, Double)? {
-    guard let equipmentInfo = try await equipment.fetch(projectID) else {
-      return nil
-    }
-
-    let equivalentLengths = try await effectiveLength.fetchMax(projectID)
-    guard let tel = equivalentLengths.total else { return nil }
-
-    let componentLosses = try await componentLoss.fetch(projectID)
-    guard componentLosses.count > 0 else { return nil }
-
-    let availableStaticPressure =
-      equipmentInfo.staticPressure - componentLosses.totalComponentPressureLoss
-
-    let designFrictionRate = (availableStaticPressure * 100) / tel
-
-    return (equipmentInfo, equivalentLengths, designFrictionRate)
-  }
-}
-
-extension DatabaseClient.ComponentLoss {
-
-  func createDefaults(projectID: Project.ID) async throws {
-    let defaults = ComponentPressureLoss.Create.default(projectID: projectID)
-    for loss in defaults {
-      _ = try await create(loss)
-    }
-  }
-}
-
-extension PageRequest {
-  static func next<T>(_ currentPage: Page<T>) -> Self {
-    .init(page: currentPage.metadata.page + 1, per: currentPage.metadata.per)
-  }
-}

Sources/ViewController/Extensions/ManualDClient+extensions.swift

@@ -1,36 +0,0 @@
-import Logging
-import ManualDClient
-import ManualDCore
-
-extension ManualDClient {
-
-  func calculate(
-    rooms: [Room],
-    designFrictionRateResult: (EquipmentInfo, EffectiveLength.MaxContainer, Double)?,
-    projectSHR: Double?,
-    logger: Logger? = nil
-  ) async throws -> [DuctSizing.RoomContainer] {
-    guard let designFrictionRateResult else { return [] }
-    let equipmentInfo = designFrictionRateResult.0
-    let effectiveLengths = designFrictionRateResult.1
-    let designFrictionRate = designFrictionRateResult.2
-
-    guard let maxSupply = effectiveLengths.supply else { return [] }
-    guard let maxReturn = effectiveLengths.return else { return [] }
-
-    let ductRooms = try await self.calculateSizes(
-      rooms: rooms,
-      equipmentInfo: equipmentInfo,
-      maxSupplyLength: maxSupply,
-      maxReturnLength: maxReturn,
-      designFrictionRate: designFrictionRate,
-      projectSHR: projectSHR ?? 1.0,
-      logger: logger
-    )
-
-    // logger?.debug("Rooms: \(ductRooms)")
-
-    return ductRooms
-
-  }
-}

Sources/ViewController/Extensions/String+extensions.swift

@@ -17,4 +17,9 @@ extension String {
   func appendingPath(_ id: UUID) -> Self {
     return appendingPath(id.uuidString)
   }
+
+  var idString: Self {
+    replacing("-", with: "")
+      .replacing(" ", with: "")
+  }
 }

Sources/ViewController/Extensions/TrunkSizeForm+extensions.swift

@@ -0,0 +1,54 @@
+import Foundation
+import Logging
+import ManualDCore
+
+extension SiteRoute.View.ProjectRoute.DuctSizingRoute.TrunkSizeForm {
+
+  func toCreate(logger: Logger? = nil) throws -> TrunkSize.Create {
+    try .init(
+      projectID: projectID,
+      type: type,
+      rooms: makeRooms(logger: logger),
+      height: height,
+      name: name
+    )
+  }
+
+  func toUpdate(logger: Logger? = nil) throws -> TrunkSize.Update {
+    try .init(
+      type: type,
+      rooms: makeRooms(logger: logger),
+      height: height,
+      name: name
+    )
+  }
+
+  func makeRooms(logger: Logger?) throws -> [Room.ID: [Int]] {
+    var retval = [Room.ID: [Int]]()
+    for room in rooms {
+      let split = room.split(separator: "_")
+      guard let idString = split.first,
+        let id = UUID(uuidString: String(idString))
+      else {
+        logger?.error("Could not parse id from: \(room)")
+        throw RoomError()
+      }
+      guard let registerString = split.last,
+        let register = Int(registerString)
+      else {
+        logger?.error("Could not register number from: \(room)")
+        throw RoomError()
+      }
+      if var currRegisters = retval[id] {
+        currRegisters.append(register)
+        retval[id] = currRegisters
+      } else {
+        retval[id] = [register]
+      }
+
+    }
+    return retval
+  }
+}
+
+struct RoomError: Error {}

Sources/ViewController/Extensions/UUID+idString.swift

@@ -2,6 +2,6 @@ import Foundation
 
 extension UUID {
   var idString: String {
-    uuidString.replacing("-", with: "")
+    uuidString.idString
   }
 }

Sources/ViewController/Interface.swift

@@ -1,3 +1,4 @@
+import AuthClient
 import Dependencies
 import DependenciesMacros
 import Elementary
@@ -15,10 +16,6 @@ public typealias AnySendableHTML = (any HTML & Sendable)
 
 @DependencyClient
 public struct ViewController: Sendable {
-
-  public typealias AuthenticateHandler = @Sendable (User) -> Void
-  public typealias CurrentUserHandler = @Sendable () throws -> User
-
   public var view: @Sendable (Request) async throws -> AnySendableHTML
 }
 
@@ -29,21 +26,15 @@ extension ViewController {
     public let route: SiteRoute.View
     public let isHtmxRequest: Bool
     public let logger: Logger
-    public let authenticateUser: AuthenticateHandler
-    public let currentUser: CurrentUserHandler
 
     public init(
       route: SiteRoute.View,
       isHtmxRequest: Bool,
-      logger: Logger,
-      authenticateUser: @escaping AuthenticateHandler,
-      currentUser: @escaping CurrentUserHandler
+      logger: Logger
     ) {
       self.route = route
       self.isHtmxRequest = isHtmxRequest
       self.logger = logger
-      self.authenticateUser = authenticateUser
-      self.currentUser = currentUser
     }
 
   }
@@ -62,27 +53,23 @@ extension ViewController: DependencyKey {
 
 extension ViewController.Request {
 
+  func currentUser() throws -> User {
+    @Dependency(\.authClient.currentUser) var currentUser
+    return try currentUser()
+  }
+
   func authenticate(
     _ login: User.Login
   ) async throws -> User {
-    @Dependency(\.database.users) var users
-    let token = try await users.login(login)
-    let user = try await users.get(token.userID)!
-    authenticateUser(user)
-    logger.debug("Logged in user: \(user.id)")
-    return user
+    @Dependency(\.authClient) var auth
+    return try await auth.login(login)
   }
 
+  @discardableResult
   func createAndAuthenticate(
     _ signup: User.Create
   ) async throws -> User {
-    @Dependency(\.database.users) var users
-    let user = try await users.create(signup)
-    let _ = try await users.login(
-      .init(email: signup.email, password: signup.password)
-    )
-    authenticateUser(user)
-    logger.debug("Created and logged in user: \(user.id)")
-    return user
+    @Dependency(\.authClient) var auth
+    return try await auth.createAndLogin(signup)
   }
 }

Sources/ViewController/Live.swift

@@ -3,6 +3,8 @@ import Dependencies
 import Elementary
 import Foundation
 import ManualDCore
+import PdfClient
+import ProjectClient
 import Styleguide
 
 extension ViewController.Request {
@@ -10,16 +12,32 @@ extension ViewController.Request {
   func render() async -> AnySendableHTML {
 
     @Dependency(\.database) var database
+    @Dependency(\.projectClient) var projectClient
+    @Dependency(\.pdfClient) var pdfClient
 
     switch route {
     case .test:
-      return view {
-        TestPage()
-      }
+      // let projectID = UUID(uuidString: "E796C96C-F527-4753-A00A-EBCF25630663")!
+      // return await view {
+      //   await ResultView {
+      //
+      //     // return (
+      //     //   try await database.projects.getCompletedSteps(projectID),
+      //     //   try await projectClient.calculateDuctSizes(projectID)
+      //     // )
+      //     return try await pdfClient.html(.mock())
+      //   } onSuccess: {
+      //     $0
+      //     // TestPage()
+      //     // TestPage(trunks: result.trunks, rooms: result.rooms)
+      //   }
+      // }
+      // return try! await pdfClient.html(.mock())
+      return EmptyHTML()
     case .login(let route):
       switch route {
       case .index(let next):
-        return view {
+        return await view {
           LoginForm(next: next)
         }
       case .submit(let login):
@@ -35,52 +53,68 @@ extension ViewController.Request {
     case .signup(let route):
       switch route {
       case .index:
-        return view {
+        return await view {
           LoginForm(style: .signup)
         }
       case .submit(let request):
         // Create a new user and log them in.
         return await view {
           await ResultView {
-            let user = try await createAndAuthenticate(request)
+            try await createAndAuthenticate(request)
+          } onSuccess: { user in
+            MainPage {
+              UserProfileForm(userID: user.id, profile: nil, dismiss: false, signup: true)
+            }
+          }
+        }
+      case .submitProfile(let profile):
+        return await view {
+          await ResultView {
+            _ = try await database.userProfile.create(profile)
+            let userID = profile.userID
+            // let user = try currentUser()
             return (
-              user.id,
-              try await database.projects.fetch(user.id, .init(page: 1, per: 25))
+              userID,
+              try await database.projects.fetch(userID, .init(page: 1, per: 25)),
+              profile.theme
             )
-          } onSuccess: { (userID, projects) in
-            ProjectsTable(userID: userID, projects: projects)
+          } onSuccess: { (userID, projects, theme) in
+            MainPage(displayFooter: true, theme: theme) {
+              ProjectsTable(userID: userID, projects: projects)
+            }
           }
         }
       }
     case .project(let route):
       return await route.renderView(on: self)
-    default:
-      // FIX: FIX
-      return _render(isHtmxRequest: false) {
-        div { "Fix me!" }
-      }
-    }
-  }
 
-  func view<C: HTML>(
-    @HTMLBuilder inner: () -> C
-  ) -> AnySendableHTML where C: Sendable {
-    _render(isHtmxRequest: isHtmxRequest, showSidebar: showSidebar) {
-      inner()
+    case .user(let route):
+      return await route.renderView(on: self)
     }
   }
 
   func view<C: HTML>(
     @HTMLBuilder inner: () async -> C
   ) async -> AnySendableHTML where C: Sendable {
-    await _render(isHtmxRequest: isHtmxRequest, showSidebar: showSidebar) {
-      await inner()
+    let inner = await inner()
+    let theme = await self.theme
+
+    return MainPage(displayFooter: displayFooter, theme: theme) {
+      inner
     }
   }
 
-  var showSidebar: Bool {
+  var theme: Theme? {
+    get async {
+      @Dependency(\.database) var database
+      guard let user = try? currentUser() else { return nil }
+      return try? await database.userProfile.fetch(user.id)?.theme
+    }
+  }
+
+  var displayFooter: Bool {
     switch route {
-    case .login, .signup, .project(.page):
+    case .login, .signup:
       return false
     default:
       return true
@@ -92,7 +126,7 @@ extension SiteRoute.View.ProjectRoute {
 
   func renderView(on request: ViewController.Request) async -> AnySendableHTML {
     @Dependency(\.database) var database
-    // let user = try request.currentUser()
+    @Dependency(\.projectClient) var projectClient
 
     switch self {
     case .index:
@@ -101,7 +135,7 @@ extension SiteRoute.View.ProjectRoute {
           let user = try request.currentUser()
           return try await (
             user.id,
-            database.projects.fetchPage(userID: user.id)
+            database.projects.fetch(user.id, .first)
           )
 
         } onSuccess: { (userID, projects) in
@@ -119,48 +153,36 @@ extension SiteRoute.View.ProjectRoute {
         ProjectsTable(userID: userID, projects: projects)
       }
 
-    case .form(let id, let dismiss):
-      return await ResultView {
-        var project: Project? = nil
-        if let id, dismiss == false {
-          project = try await database.projects.get(id)
-        }
-        return project
-      } onSuccess: { project in
-        ProjectForm(dismiss: dismiss, project: project)
-      }
-
     case .create(let form):
-      return await ResultView {
-        let user = try request.currentUser()
-        let project = try await database.projects.create(user.id, form)
-        try await database.componentLoss.createDefaults(projectID: project.id)
-        return project.id
-
-      } onSuccess: { projectID in
-        ProjectView(projectID: projectID, activeTab: .rooms)
+      return await request.view {
+        await ResultView {
+          let user = try request.currentUser()
+          return try await projectClient.createProject(user.id, form)
+        } onSuccess: { response in
+          ProjectView(
+            projectID: response.projectID,
+            activeTab: .rooms,
+            completedSteps: response.completedSteps
+          ) {
+            RoomsView(rooms: response.rooms, sensibleHeatRatio: response.sensibleHeatRatio)
+          }
+        }
       }
 
     case .delete(let id):
       return await ResultView {
         try await database.projects.delete(id)
-      } onSuccess: {
-        EmptyHTML()
       }
 
     case .update(let id, let form):
-      return await ResultView {
-        try await database.projects.update(id, form).id
-      } onSuccess: { projectID in
-        return ProjectView(projectID: projectID, activeTab: .project)
+      return await projectView(on: request, projectID: id) {
+        _ = try await database.projects.update(id, form)
       }
 
     case .detail(let projectID, let route):
       switch route {
-      case .index(let tab):
-        return request.view {
-          ProjectView(projectID: projectID, activeTab: tab)
-        }
+      case .index:
+        return await projectView(on: request, projectID: projectID)
       case .componentLoss(let route):
         return await route.renderView(on: request, projectID: projectID)
       case .ductSizing(let route):
@@ -170,7 +192,13 @@ extension SiteRoute.View.ProjectRoute {
       case .equivalentLength(let route):
         return await route.renderView(on: request, projectID: projectID)
       case .frictionRate(let route):
-        return route.renderView(on: request, projectID: projectID)
+        return await route.renderView(on: request, projectID: projectID)
+      case .pdf:
+        // FIX: This should return a pdf to download or be wrapped in a
+        //      result view.
+        // return try! await projectClient.toHTML(projectID)
+        // This get's handled elsewhere because it returns a response, not a view.
+        fatalError()
       case .rooms(let route):
         return await route.renderView(on: request, projectID: projectID)
       }
@@ -178,6 +206,31 @@ extension SiteRoute.View.ProjectRoute {
 
   }
 
+  func projectView(
+    on request: ViewController.Request,
+    projectID: Project.ID,
+    catching: @escaping @Sendable () async throws -> Void = {}
+  ) async -> AnySendableHTML {
+    @Dependency(\.database) var database
+
+    return await request.view {
+      await ResultView {
+        try await catching()
+        guard let project = try await database.projects.get(projectID) else {
+          throw NotFoundError()
+        }
+        return (
+          try await database.projects.getCompletedSteps(project.id),
+          project
+        )
+      } onSuccess: { (steps, project) in
+        ProjectView(projectID: projectID, activeTab: .project, completedSteps: steps) {
+          ProjectDetail(project: project)
+        }
+      }
+    }
+  }
+
 }
 
 extension SiteRoute.View.ProjectRoute.EquipmentInfoRoute {
@@ -189,28 +242,38 @@ extension SiteRoute.View.ProjectRoute.EquipmentInfoRoute {
 
     switch self {
     case .index:
-      return await ResultView {
-        try await database.equipment.fetch(projectID)
-      } onSuccess: { equipment in
-        EquipmentInfoView(equipmentInfo: equipment, projectID: projectID)
-      }
-    case .form(let dismiss):
-      return await ResultView {
-        try await database.equipment.fetch(projectID)
-      } onSuccess: { equipment in
-        EquipmentInfoForm(dismiss: dismiss, projectID: projectID, equipmentInfo: equipment)
-      }
+      return await equipmentView(on: request, projectID: projectID)
+
     case .submit(let form):
-      return await ResultView {
-        try await database.equipment.create(form)
-      } onSuccess: { equipment in
-        EquipmentInfoView(equipmentInfo: equipment, projectID: projectID)
+      return await equipmentView(on: request, projectID: projectID) {
+        _ = try await database.equipment.create(form)
       }
+
     case .update(let id, let updates):
-      return await ResultView {
-        try await database.equipment.update(id, updates)
-      } onSuccess: { equipment in
-        EquipmentInfoView(equipmentInfo: equipment, projectID: projectID)
+      return await equipmentView(on: request, projectID: projectID) {
+        _ = try await database.equipment.update(id, updates)
+      }
+    }
+  }
+
+  func equipmentView(
+    on request: ViewController.Request,
+    projectID: Project.ID,
+    catching: @escaping @Sendable () async throws -> Void = {}
+  ) async -> AnySendableHTML {
+    @Dependency(\.database) var database
+
+    return await request.view {
+      await ResultView {
+        try await catching()
+        return (
+          try await database.projects.getCompletedSteps(projectID),
+          try await database.equipment.fetch(projectID)
+        )
+      } onSuccess: { (steps, equipment) in
+        ProjectView(projectID: projectID, activeTab: .equipment, completedSteps: steps) {
+          EquipmentInfoView(equipmentInfo: equipment, projectID: projectID)
+        }
       }
     }
   }
@@ -230,49 +293,47 @@ extension SiteRoute.View.ProjectRoute.RoomRoute {
         try await database.rooms.delete(id)
       }
 
-    case .form(let id, let dismiss):
-      return await ResultView {
-        var room: Room? = nil
-        if let id, dismiss == false {
-          room = try await database.rooms.get(id)
-        }
-        return room
-      } onSuccess: { room in
-        RoomForm(dismiss: dismiss, projectID: projectID, room: room)
-      }
-
     case .index:
-      return request.view {
-        ProjectView(projectID: projectID, activeTab: .rooms)
-      }
+      return await roomsView(on: request, projectID: projectID)
 
     case .submit(let form):
-      return await request.view {
-        await ResultView {
-          request.logger.debug("New room form submitted.")
-          // FIX: Just return a room row??
-          let _ = try await database.rooms.create(form)
-        } onSuccess: {
-          ProjectView(projectID: projectID, activeTab: .rooms)
-        }
+      return await roomsView(on: request, projectID: projectID) {
+        _ = try await database.rooms.create(form)
       }
 
     case .update(let id, let form):
-      return await ResultView {
-        let _ = try await database.rooms.update(id, form)
-      } onSuccess: {
-        ProjectView(projectID: projectID, activeTab: .rooms)
+      return await roomsView(on: request, projectID: projectID) {
+        _ = try await database.rooms.update(id, form)
       }
 
     case .updateSensibleHeatRatio(let form):
-      return await request.view {
-        await ResultView {
-          let _ = try await database.projects.update(
-            form.projectID,
-            .init(sensibleHeatRatio: form.sensibleHeatRatio)
-          )
-        } onSuccess: {
-          ProjectView(projectID: projectID, activeTab: .rooms)
+      return await roomsView(on: request, projectID: projectID) {
+        _ = try await database.projects.update(
+          form.projectID,
+          .init(sensibleHeatRatio: form.sensibleHeatRatio)
+        )
+      }
+    }
+  }
+
+  func roomsView(
+    on request: ViewController.Request,
+    projectID: Project.ID,
+    catching: @escaping @Sendable () async throws -> Void = {}
+  ) async -> AnySendableHTML {
+    @Dependency(\.database) var database
+
+    return await request.view {
+      await ResultView {
+        try await catching()
+        return (
+          try await database.projects.getCompletedSteps(projectID),
+          try await database.rooms.fetch(projectID),
+          try await database.projects.getSensibleHeatRatio(projectID)
+        )
+      } onSuccess: { (steps, rooms, shr) in
+        ProjectView(projectID: projectID, activeTab: .rooms, completedSteps: steps) {
+          RoomsView(rooms: rooms, sensibleHeatRatio: shr)
         }
       }
     }
@@ -283,25 +344,54 @@ extension SiteRoute.View.ProjectRoute.FrictionRateRoute {
   func renderView(
     on request: ViewController.Request,
     projectID: Project.ID
-  ) -> AnySendableHTML {
+  ) async -> AnySendableHTML {
+    @Dependency(\.database) var database
+    @Dependency(\.manualD) var manualD
 
     switch self {
     case .index:
-      return request.view {
-        ProjectView(projectID: projectID, activeTab: .frictionRate)
-      }
+      return await view(on: request, projectID: projectID)
+    }
+  }
+
+  func view(
+    on request: ViewController.Request,
+    projectID: Project.ID,
+    catching: @escaping @Sendable () async throws -> Void = {}
+  ) async -> AnySendableHTML {
+
+    @Dependency(\.database) var database
+    @Dependency(\.manualD) var manualD
+
+    return await request.view {
+      await ResultView {
+        let equipment = try await database.equipment.fetch(projectID)
+        let componentLosses = try await database.componentLoss.fetch(projectID)
+        let lengths = try await database.effectiveLength.fetchMax(projectID)
+
+        return (
+          try await database.projects.getCompletedSteps(projectID),
+          componentLosses,
+          lengths,
+          try await manualD.frictionRate(
+            equipmentInfo: equipment,
+            componentLosses: componentLosses,
+            effectiveLength: lengths
+          )
+        )
+      } onSuccess: { (steps, losses, lengths, frictionRate) in
+        ProjectView(projectID: projectID, activeTab: .frictionRate, completedSteps: steps) {
+          FrictionRateView(
+            componentLosses: losses,
+            equivalentLengths: lengths,
+            frictionRate: frictionRate
+          )
+        }
 
-    case .form(let type, let dismiss):
-      // FIX: Forms need to reference existing items.
-      switch type {
-      case .equipmentInfo:
-        return div { "REMOVE ME!" }
-      // return EquipmentForm(dismiss: dismiss, projectID: projectID)
-      case .componentPressureLoss:
-        return ComponentLossForm(dismiss: dismiss, projectID: projectID, componentLoss: nil)
       }
     }
   }
+
 }
 
 extension SiteRoute.View.ProjectRoute.ComponentLossRoute {
@@ -316,37 +406,50 @@ extension SiteRoute.View.ProjectRoute.ComponentLossRoute {
     case .index:
       return EmptyHTML()
     case .delete(let id):
-      return await ResultView {
+      return await view(on: request, projectID: projectID) {
         _ = try await database.componentLoss.delete(id)
-      } onSuccess: {
-        EmptyHTML()
       }
-    // return EmptyHTML()
     case .submit(let form):
-      return await ResultView {
+      return await view(on: request, projectID: projectID) {
         _ = try await database.componentLoss.create(form)
-      } onSuccess: {
-        ProjectView(projectID: projectID, activeTab: .frictionRate)
       }
-    case .update(let id, let form):
-      return await ResultView {
-        _ = try await database.componentLoss.update(id, form)
-      } onSuccess: {
-        ProjectView(projectID: projectID, activeTab: .frictionRate)
-      }
-    }
-  }
-}
 
-extension SiteRoute.View.ProjectRoute.FrictionRateRoute.FormType {
-  var id: String {
-    switch self {
-    case .equipmentInfo:
-      return "equipmentForm"
-    case .componentPressureLoss:
-      return "componentLossForm"
+    case .update(let id, let form):
+      return await view(on: request, projectID: projectID) {
+        _ = try await database.componentLoss.update(id, form)
+      }
     }
   }
+
+  func view(
+    on request: ViewController.Request,
+    projectID: Project.ID,
+    catching: @escaping @Sendable () async throws -> Void = {}
+  ) async -> AnySendableHTML {
+
+    @Dependency(\.database) var database
+    @Dependency(\.projectClient) var projectClient
+
+    return await request.view {
+      await ResultView {
+        try await catching()
+        return (
+          try await database.projects.getCompletedSteps(projectID),
+          try await projectClient.frictionRate(projectID)
+        )
+      } onSuccess: { (steps, response) in
+        ProjectView(projectID: projectID, activeTab: .frictionRate, completedSteps: steps) {
+          FrictionRateView(
+            componentLosses: response.componentLosses,
+            equivalentLengths: response.equivalentLengths,
+            frictionRate: response.frictionRate
+          )
+        }
+
+      }
+    }
+  }
+
 }
 
 extension SiteRoute.View.ProjectRoute.EquivalentLengthRoute {
@@ -365,11 +468,7 @@ extension SiteRoute.View.ProjectRoute.EquivalentLengthRoute {
       }
 
     case .index:
-      return request.view {
-        ProjectView(projectID: projectID, activeTab: .equivalentLength)
-      }
-    case .form(let dismiss):
-      return EffectiveLengthForm(projectID: projectID, dismiss: dismiss)
+      return await self.view(on: request, projectID: projectID)
 
     case .field(let type, let style):
       switch type {
@@ -381,10 +480,8 @@ extension SiteRoute.View.ProjectRoute.EquivalentLengthRoute {
       }
 
     case .update(let id, let form):
-      return await ResultView {
+      return await view(on: request, projectID: projectID) {
         _ = try await database.effectiveLength.update(id, .init(form: form, projectID: projectID))
-      } onSuccess: {
-        ProjectView(projectID: projectID, activeTab: .equivalentLength)
       }
 
     case .submit(let step):
@@ -417,19 +514,38 @@ extension SiteRoute.View.ProjectRoute.EquivalentLengthRoute {
           )
         }
       case .three(let stepThree):
-        return await ResultView {
-          request.logger.debug("ViewController: Got step three: \(stepThree)")
-          try stepThree.validate()
+        return await view(on: request, projectID: projectID) {
           _ = try await database.effectiveLength.create(
-            .init(form: stepThree, projectID: projectID))
-        } onSuccess: {
-          ProjectView(projectID: projectID, activeTab: .equivalentLength)
+            .init(form: stepThree, projectID: projectID)
+          )
         }
 
       }
     }
 
   }
+
+  func view(
+    on request: ViewController.Request,
+    projectID: Project.ID,
+    catching: @escaping @Sendable () async throws -> Void = {}
+  ) async -> AnySendableHTML {
+    @Dependency(\.database) var database
+    return await request.view {
+      await ResultView {
+        try await catching()
+        return (
+          try await database.projects.getCompletedSteps(projectID),
+          try await database.effectiveLength.fetch(projectID)
+        )
+      } onSuccess: { (steps, equivalentLengths) in
+        ProjectView(projectID: projectID, activeTab: .equivalentLength, completedSteps: steps) {
+          EffectiveLengthsView(effectiveLengths: equivalentLengths)
+            .environment(ProjectViewValue.$projectID, projectID)
+        }
+      }
+    }
+  }
 }
 
 extension SiteRoute.View.ProjectRoute.DuctSizingRoute {
@@ -440,78 +556,128 @@ extension SiteRoute.View.ProjectRoute.DuctSizingRoute {
   ) async -> AnySendableHTML {
     @Dependency(\.database) var database
     @Dependency(\.manualD) var manualD
+    @Dependency(\.projectClient) var projectClient
 
     switch self {
     case .index:
-      return request.view {
-        ProjectView(projectID: projectID, activeTab: .ductSizing, logger: request.logger)
-      }
+      return await view(on: request, projectID: projectID)
 
-    case .deleteRectangularSize(let roomID, let rectangularSizeID):
+    case .deleteRectangularSize(let roomID, let request):
       return await ResultView {
-        let room = try await database.rooms.deleteRectangularSize(roomID, rectangularSizeID)
-        return try await database.calculateDuctSizes(projectID: projectID)
-          .filter({ $0.roomID == room.id })
+        let room = try await database.rooms.deleteRectangularSize(roomID, request.rectangularSizeID)
+        return try await projectClient.calculateRoomDuctSizes(projectID)
+          .filter({ $0.roomID == room.id && $0.roomRegister == request.register })
           .first!
-      } onSuccess: { container in
-        DuctSizingView.RoomRow(projectID: projectID, room: container)
+      } onSuccess: { room in
+        DuctSizingView.RoomRow(room: room)
       }
 
     case .roomRectangularForm(let roomID, let form):
       return await ResultView {
-        let room = try await database.rooms.update(
+        let room = try await database.rooms.updateRectangularSize(
           roomID,
-          .init(
-            rectangularSizes: [
-              .init(id: form.id ?? .init(), register: form.register, height: form.height)
-            ]
-          )
+          .init(id: form.id ?? .init(), register: form.register, height: form.height)
         )
-        return try await database.calculateDuctSizes(projectID: projectID)
-          .filter({ $0.roomID == room.id })
+        return try await projectClient.calculateRoomDuctSizes(projectID)
+          .filter({ $0.roomID == room.id && $0.roomRegister == form.register })
           .first!
-      } onSuccess: { container in
-        DuctSizingView.RoomRow(projectID: projectID, room: container)
+      } onSuccess: { room in
+        DuctSizingView.RoomRow(room: room)
+      }
+
+    case .trunk(let route):
+      switch route {
+      case .delete(let id):
+        return await ResultView {
+          try await database.trunkSizes.delete(id)
+        }
+      case .submit(let form):
+        return await view(on: request, projectID: projectID) {
+          _ = try await database.trunkSizes.create(
+            form.toCreate(logger: request.logger)
+          )
+        }
+
+      case .update(let id, let form):
+        return await view(on: request, projectID: projectID) {
+          _ = try await database.trunkSizes.update(id, form.toUpdate())
+        }
+      }
+    }
+  }
+
+  func view(
+    on request: ViewController.Request,
+    projectID: Project.ID,
+    catching: @escaping @Sendable () async throws -> Void = {}
+  ) async -> AnySendableHTML {
+    @Dependency(\.database) var database
+    @Dependency(\.projectClient) var project
+
+    return await request.view {
+      await ResultView {
+        try await catching()
+        return (
+          try await database.projects.getCompletedSteps(projectID),
+          try await project.calculateDuctSizes(projectID)
+        )
+      } onSuccess: { (steps, ducts) in
+        ProjectView(projectID: projectID, activeTab: .ductSizing, completedSteps: steps) {
+          DuctSizingView(ductSizes: ducts)
+        }
       }
     }
   }
 }
 
-private func _render<C: HTML>(
-  isHtmxRequest: Bool,
-  active activeTab: SiteRoute.View.ProjectRoute.DetailRoute.Tab = .rooms,
-  showSidebar: Bool = true,
-  @HTMLBuilder inner: () async throws -> C
-) async throws -> AnySendableHTML where C: Sendable {
-  let inner = try await inner()
-  if isHtmxRequest {
-    return inner
+extension SiteRoute.View.UserRoute {
+
+  func renderView(on request: ViewController.Request) async -> AnySendableHTML {
+    switch self {
+    case .profile(let route):
+      return await route.renderView(on: request)
+    }
   }
-  return MainPage { inner }
 }
 
-private func _render<C: HTML>(
-  isHtmxRequest: Bool,
-  active activeTab: SiteRoute.View.ProjectRoute.DetailRoute.Tab = .rooms,
-  showSidebar: Bool = true,
-  @HTMLBuilder inner: () async -> C
-) async -> AnySendableHTML where C: Sendable {
-  let inner = await inner()
-  if isHtmxRequest {
-    return inner
-  }
-  return MainPage { inner }
-}
+extension SiteRoute.View.UserRoute.Profile {
 
-private func _render<C: HTML>(
-  isHtmxRequest: Bool,
-  active activeTab: SiteRoute.View.ProjectRoute.DetailRoute.Tab = .rooms,
-  showSidebar: Bool = true,
-  @HTMLBuilder inner: () -> C
-) -> AnySendableHTML where C: Sendable {
-  let inner = inner()
-  if isHtmxRequest {
-    return inner
+  func renderView(
+    on request: ViewController.Request
+  ) async -> AnySendableHTML {
+    @Dependency(\.database) var database
+
+    switch self {
+    case .index:
+      return await view(on: request)
+    case .submit(let form):
+      return await view(on: request) {
+        _ = try await database.userProfile.create(form)
+      }
+    case .update(let id, let updates):
+      return await view(on: request) {
+        _ = try await database.userProfile.update(id, updates)
+      }
+    }
+  }
+
+  func view(
+    on request: ViewController.Request,
+    catching: @escaping @Sendable () async throws -> Void = {}
+  ) async -> AnySendableHTML {
+    @Dependency(\.database) var database
+
+    return await request.view {
+      await ResultView {
+        try await catching()
+        let user = try request.currentUser()
+        return (
+          user,
+          try await database.userProfile.fetch(user.id)
+        )
+      } onSuccess: { (user, profile) in
+        UserView(user: user, profile: profile)
+      }
+    }
   }
-  return MainPage { inner }
 }

Sources/ViewController/Views/ComponentLoss/ComponentLossForm.swift

@@ -42,19 +42,27 @@ struct ComponentLossForm: HTML, Sendable {
 
         input(.class("hidden"), .name("projectID"), .value("\(projectID)"))
 
-        div {
-          label(.for("name")) { "Name" }
-          Input(id: "name", placeholder: "Name")
-            .attributes(.type(.text), .required, .autofocus, .value(componentLoss?.name))
-        }
-        div {
-          label(.for("value")) { "Value" }
-          Input(id: "value", placeholder: "Pressure loss")
-            .attributes(
-              .type(.number), .min("0.03"), .max("1.0"), .step("0.01"), .required,
-              .value(componentLoss?.value)
-            )
-        }
+        LabeledInput(
+          "Name",
+          .name("name"),
+          .type(.text),
+          .value(componentLoss?.name),
+          .placeholder("Name"),
+          .required,
+          .autofocus
+        )
+
+        LabeledInput(
+          "Value",
+          .name("value"),
+          .type(.number),
+          .value(componentLoss?.value),
+          .placeholder("0.2"),
+          .min("0.03"),
+          .max("1.0"),
+          .step("0.01"),
+          .required
+        )
 
         SubmitButton()
           .attributes(.class("btn-block"))

Sources/ViewController/Views/ComponentLoss/ComponentLossesView.swift

@@ -3,57 +3,47 @@ import ElementaryHTMX
 import ManualDCore
 import Styleguide
 
-// TODO: Load component losses when view appears??
-
 struct ComponentPressureLossesView: HTML, Sendable {
 
   let componentPressureLosses: [ComponentPressureLoss]
   let projectID: Project.ID
 
   private var total: Double {
-    componentPressureLosses.reduce(into: 0) { $0 += $1.value }
+    componentPressureLosses.total
+  }
+
+  private var sortedLosses: [ComponentPressureLoss] {
+    componentPressureLosses.sorted {
+      $0.value > $1.value
+    }
   }
 
   var body: some HTML {
-    div(
-      .class(
-        """
-        border border-gray-200 rounded-lg shadow-lg space-y-4 p-4
-        """
-      )
-    ) {
+    div(.class("space-y-4")) {
       Row {
-        div(.class("flex space-x-4 items-center")) {
-          h1(.class("text-2xl font-bold")) { "Component Pressure Losses" }
-          div(.class("flex text-primary space-x-2 items-baseline")) {
-            Number(total)
-              .attributes(.class("text-xl font-bold badge badge-outline badge-primary"))
-            span(.class("text-sm italic")) { "Total" }
-          }
-        }
-        Tooltip("Add Component Loss") {
-          PlusButton()
-            .attributes(
-              .class("btn-ghost text-2xl"),
-              .showModal(id: ComponentLossForm.id())
-            )
-        }
+        h1(.class("text-2xl font-bold")) { "Component Pressure Losses" }
+        PlusButton()
+          .attributes(
+            .class("btn-primary text-2xl me-2"),
+            .showModal(id: ComponentLossForm.id())
+          )
+          .tooltip("Add component loss")
       }
+      .attributes(.class("px-4"))
 
       table(.class("table table-zebra")) {
         thead {
           tr(.class("text-xl font-bold")) {
             th { "Name" }
             th { "Value" }
-            th {}
+            th(.class("min-w-[200px]")) {}
           }
         }
         tbody {
-          for row in componentPressureLosses {
+          for row in sortedLosses {
             TableRow(row: row)
           }
         }
-
       }
     }
     ComponentLossForm(dismiss: true, projectID: projectID, componentLoss: nil)

Sources/ViewController/Views/DuctSizing/DuctSizingView.swift

@@ -3,152 +3,69 @@ import ElementaryHTMX
 import ManualDCore
 import Styleguide
 
-// TODO: Add error text if prior steps are not completed.
-
 struct DuctSizingView: HTML, Sendable {
 
   @Environment(ProjectViewValue.$projectID) var projectID
 
-  // let projectID: Project.ID
-  let rooms: [DuctSizing.RoomContainer]
+  let ductSizes: DuctSizes
 
   var body: some HTML {
-    div {
-      h1(.class("text-2xl py-4")) { "Duct Sizes" }
-      if rooms.count == 0 {
-        p(.class("text-error italic")) {
-          "Must complete all the previous sections to display duct sizing calculations."
+    div(.class("space-y-4")) {
+      PageTitleRow {
+        div {
+          PageTitle("Duct Sizes")
+
+          Alert(
+            """
+            Must complete all the previous sections to display duct sizing calculations.
+            """
+          )
+          .hidden(when: ductSizes.rooms.count > 0)
+          .attributes(.class("text-error font-bold italic mt-4"))
         }
-      } else {
-        RoomsTable(projectID: projectID, rooms: rooms)
-      }
-    }
-  }
 
-  struct RoomsTable: HTML, Sendable {
-    let projectID: Project.ID
-    let rooms: [DuctSizing.RoomContainer]
-
-    var body: some HTML<HTMLTag.div> {
-      div(.class("overflow-x-auto")) {
-        table(.class("table table-zebra")) {
-          thead {
-            tr(.class("text-xl text-gray-400 font-bold")) {
-              th { "ID" }
-              th { "Name" }
-              th { "H-BTU" }
-              th { "C-BTU" }
-              th(.class("hidden 2xl:table-cell")) { "Htg CFM" }
-              th(.class("hidden 2xl:table-cell")) { "Clg CFM" }
-              th { "Dsn CFM" }
-              th(.class("hidden xl:table-cell")) { "Round Size" }
-              th { "Velocity" }
-              th { "Final Size" }
-              th { "Flex Size" }
-              th { "Width" }
-              th { "Height" }
-            }
-          }
-          tbody {
-            for room in rooms {
-              RoomRow(projectID: projectID, room: room)
-            }
+        div {
+          button(
+            .class("btn btn-primary"),
+            .hx.get(route: .project(.detail(projectID, .pdf))),
+            .hx.ext("htmx-download"),
+            .hx.swap(.none),
+            .hx.indicator()
+          ) {
+            span { "PDF" }
+            Indicator()
           }
+          // div {
+          //   Indicator()
+          // }
         }
+
       }
-    }
-  }
 
-  struct RoomRow: HTML, Sendable {
-    let projectID: Project.ID
-    let room: DuctSizing.RoomContainer
+      if ductSizes.rooms.count != 0 {
+        RoomsTable(rooms: ductSizes.rooms)
 
-    var route: String {
-      SiteRoute.View.router.path(
-        for: .project(.detail(projectID, .ductSizing(.index)))
-      )
-      .appendingPath("room")
-      .appendingPath(room.roomID)
-    }
+        PageTitleRow {
+          PageTitle {
+            "Trunk / Runout Sizes"
+          }
 
-    var body: some HTML<HTMLTag.tr> {
-      tr(.class("text-lg items-baseline"), .id(room.roomID.idString)) {
-        td { room.registerID }
-        td { room.roomName }
-        td { Number(room.heatingLoad, digits: 0) }
-        td { Number(room.coolingLoad, digits: 0) }
-        td(.class("hidden 2xl:table-cell")) { Number(room.heatingCFM, digits: 0) }
-        td(.class("hidden 2xl:table-cell")) { Number(room.coolingCFM, digits: 0) }
-        td {
-          Number(room.designCFM.value, digits: 0)
+          PlusButton()
             .attributes(
-              .class("badge badge-outline badge-\(room.designCFM.color) text-xl font-bold"))
+              .class("btn-primary"),
+              .showModal(id: TrunkSizeForm.id())
+            )
+            .tooltip("Add trunk / runout")
         }
-        td(.class("hidden xl:table-cell")) { Number(room.roundSize, digits: 0) }
-        td { Number(room.velocity) }
-        td {
-          Number(room.finalSize)
-            .attributes(.class("badge badge-outline badge-secondary text-xl  font-bold"))
-        }
-        td {
-          Number(room.flexSize)
-            .attributes(.class("badge badge-outline badge-primary text-xl  font-bold"))
-        }
-        td {
-          if let width = room.rectangularWidth {
-            Number(width)
-          }
-        }
-        td {
-          div(.class("flex justify-between items-center space-x-4")) {
-            div(.id("height_\(room.roomID.idString)"), .class("h-full my-auto")) {
-              if let height = room.rectangularSize?.height {
-                Number(height)
-              }
-            }
-            div {
-              div(.class("join")) {
-                // FIX: Delete rectangular size from room.
-                TrashButton()
-                  .attributes(.class("join-item btn-ghost"))
-                  .attributes(
-                    .hx.delete(
-                      route: .project(
-                        .detail(
-                          projectID,
-                          .ductSizing(
-                            .deleteRectangularSize(
-                              room.roomID,
-                              room.rectangularSize?.id ?? .init())
-                          )
-                        )
-                      )
-                    ),
-                    .hx.target("closest tr"),
-                    .hx.swap(.outerHTML),
-                    when: room.rectangularSize != nil
-                  )
 
-                EditButton()
-                  .attributes(
-                    .class("join-item btn-ghost text-success hover:text-white"),
-                    .showModal(id: RectangularSizeForm.id(room))
-                  )
-              }
-            }
-          }
-          RectangularSizeForm(projectID: projectID, room: room)
+        if ductSizes.trunks.count > 0 {
+          TrunkTable(ductSizes: ductSizes)
         }
+
       }
-    }
-  }
-}
 
-extension DuctSizing.DesignCFM {
-  var color: String {
-    switch self {
-    case .heating: return "error"
-    case .cooling: return "info"
+      TrunkSizeForm(rooms: ductSizes.rooms, dismiss: true)
     }
   }
+
 }