WIP: Cleans up ResultView, fixes creating a new trunk size after changes to the database client, pdf button shows html now.

.gitignore

@@ -9,3 +9,5 @@ DerivedData/
 .swift-version
 node_modules/
 tailwindcss
+.envrc
+*.pdf

Package.swift

@@ -7,7 +7,10 @@ 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: "PdfClient", targets: ["PdfClient"]),
+    .library(name: "ProjectClient", targets: ["ProjectClient"]),
     .library(name: "ManualDCore", targets: ["ManualDCore"]),
     .library(name: "ManualDClient", targets: ["ManualDClient"]),
     .library(name: "Styleguide", targets: ["Styleguide"]),
@@ -31,6 +34,7 @@ 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 +57,15 @@ 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 +76,23 @@ let package = Package(
         .product(name: "Vapor", package: "vapor"),
       ]
     ),
+    .target(
+      name: "PdfClient",
+      dependencies: [
+        .target(name: "ManualDCore"),
+        .product(name: "Dependencies", package: "swift-dependencies"),
+        .product(name: "DependenciesMacros", package: "swift-dependencies"),
+        .product(name: "Elementary", package: "elementary"),
+      ]
+    ),
+    .target(
+      name: "ProjectClient",
+      dependencies: [
+        .target(name: "DatabaseClient"),
+        .target(name: "ManualDClient"),
+        .target(name: "PdfClient"),
+      ]
+    ),
     .target(
       name: "ManualDCore",
       dependencies: [
@@ -104,7 +134,10 @@ 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"),

Public/css/pdf.css

@@ -0,0 +1,103 @@
+@media print {
+  body {
+    -webkit-print-color-adjust: exact;
+    color-adjust: exact;
+    print-color-adjust: exact;
+  }
+  table td, table th {
+    -webkit-print-color-adjust: exact;
+  }
+}
+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;
+}

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 +31,11 @@ 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
       } operation: {
         try await next.respond(to: request)
       }

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
@@ -111,6 +112,8 @@ extension SiteRoute {
   }
 }
 
+extension DuctSizes: Content {}
+
 @Sendable
 private func siteHandler(
   request: Request,
@@ -118,6 +121,7 @@ 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):

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

@@ -74,7 +74,7 @@ extension DatabaseClient.Migrations: DependencyKey {
         EquipmentInfo.Migrate(),
         Room.Migrate(),
         EffectiveLength.Migrate(),
-        DuctSizing.TrunkSize.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 $0.toDTO() }
       },
@@ -73,10 +112,16 @@ extension DatabaseClient.Projects: TestDependencyKey {
         )
       },
       getSensibleHeatRatio: { id in
-        guard let model = try await ProjectModel.find(id, on: database) else {
+        guard
+          let shr = try await ProjectModel.query(on: database)
+            .field(\.$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)
@@ -242,6 +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

@@ -10,12 +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, DuctSizing.RectangularDuct) async throws -> Room
+    public var updateRectangularSize: @Sendable (Room.ID, Room.RectangularSize) async throws -> Room
   }
 }
 
@@ -204,7 +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?
@@ -224,7 +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

@@ -7,13 +7,13 @@ import ManualDCore
 extension DatabaseClient {
   @DependencyClient
   public struct TrunkSizes: Sendable {
-    public var create: @Sendable (DuctSizing.TrunkSize.Create) async throws -> DuctSizing.TrunkSize
-    public var delete: @Sendable (DuctSizing.TrunkSize.ID) async throws -> Void
-    public var fetch: @Sendable (Project.ID) async throws -> [DuctSizing.TrunkSize]
-    public var get: @Sendable (DuctSizing.TrunkSize.ID) async throws -> DuctSizing.TrunkSize?
+    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 (DuctSizing.TrunkSize.ID, DuctSizing.TrunkSize.Update) async throws ->
-        DuctSizing.TrunkSize
+      @Sendable (TrunkSize.ID, TrunkSize.Update) async throws ->
+        TrunkSize
   }
 }
 
@@ -26,7 +26,7 @@ extension DatabaseClient.TrunkSizes: TestDependencyKey {
         try request.validate()
 
         let trunk = request.toModel()
-        var roomProxies = [DuctSizing.TrunkSize.RoomProxy]()
+        var roomProxies = [TrunkSize.RoomProxy]()
 
         try await trunk.save(on: database)
 
@@ -41,7 +41,9 @@ extension DatabaseClient.TrunkSizes: TestDependencyKey {
             type: request.type
           )
           try await model.save(on: database)
-          try await roomProxies.append(model.toDTO(on: database))
+          roomProxies.append(
+            .init(room: try room.toDTO(), registers: registers)
+          )
         }
 
         return try .init(
@@ -60,23 +62,30 @@ extension DatabaseClient.TrunkSizes: TestDependencyKey {
       fetch: { projectID in
         try await TrunkModel.query(on: database)
           .with(\.$project)
-          .with(\.$rooms)
+          .with(\.$rooms, { $0.with(\.$room) })
           .filter(\.$project.$id == projectID)
           .all()
-          .toDTO(on: database)
+          .toDTO()
       },
       get: { id in
-        guard let model = try await TrunkModel.find(id, on: database) else {
+        guard
+          let model =
+            try await TrunkModel
+            .query(on: database)
+            .with(\.$rooms, { $0.with(\.$room) })
+            .filter(\.$id == id)
+            .first()
+        else {
           return nil
         }
-        return try await model.toDTO(on: database)
+        return try model.toDTO()
       },
       update: { id, updates in
         guard
           let model =
             try await TrunkModel
             .query(on: database)
-            .with(\.$rooms)
+            .with(\.$rooms, { $0.with(\.$room) })
             .filter(\.$id == id)
             .first()
         else {
@@ -84,13 +93,13 @@ extension DatabaseClient.TrunkSizes: TestDependencyKey {
         }
         try updates.validate()
         try await model.applyUpdates(updates, on: database)
-        return try await model.toDTO(on: database)
+        return try model.toDTO()
       }
     )
   }
 }
 
-extension DuctSizing.TrunkSize.Create {
+extension TrunkSize.Create {
 
   func validate() throws(ValidationError) {
     guard rooms.count > 0 else {
@@ -113,7 +122,7 @@ extension DuctSizing.TrunkSize.Create {
   }
 }
 
-extension DuctSizing.TrunkSize.Update {
+extension TrunkSize.Update {
   func validate() throws(ValidationError) {
     if let rooms {
       guard rooms.count > 0 else {
@@ -128,7 +137,7 @@ extension DuctSizing.TrunkSize.Update {
   }
 }
 
-extension DuctSizing.TrunkSize {
+extension TrunkSize {
 
   struct Migrate: AsyncMigration {
     let name = "CreateTrunkSize"
@@ -192,7 +201,7 @@ final class TrunkRoomModel: Model, @unchecked Sendable {
     trunkID: TrunkModel.IDValue,
     roomID: RoomModel.IDValue,
     registers: [Int],
-    type: DuctSizing.TrunkSize.TrunkType
+    type: TrunkSize.TrunkType
   ) {
     self.id = id
     $trunk.id = trunkID
@@ -201,10 +210,10 @@ final class TrunkRoomModel: Model, @unchecked Sendable {
     self.type = type.rawValue
   }
 
-  func toDTO(on database: any Database) async throws -> DuctSizing.TrunkSize.RoomProxy {
-    guard let room = try await RoomModel.find($room.id, on: database) else {
-      throw NotFoundError()
-    }
+  func toDTO() throws -> TrunkSize.RoomProxy {
+    // guard let room = try await RoomModel.find($room.id, on: database) else {
+    //   throw NotFoundError()
+    // }
     return .init(
       room: try room.toDTO(),
       registers: registers
@@ -240,7 +249,7 @@ final class TrunkModel: Model, @unchecked Sendable {
   init(
     id: UUID? = nil,
     projectID: Project.ID,
-    type: DuctSizing.TrunkSize.TrunkType,
+    type: TrunkSize.TrunkType,
     height: Int? = nil,
     name: String? = nil
   ) {
@@ -251,18 +260,22 @@ final class TrunkModel: Model, @unchecked Sendable {
     self.name = name
   }
 
-  func toDTO(on database: any Database) async throws -> DuctSizing.TrunkSize {
-    let rooms = try await withThrowingTaskGroup(of: DuctSizing.TrunkSize.RoomProxy.self) { group in
-      for room in self.rooms {
-        group.addTask {
-          try await room.toDTO(on: database)
-        }
-      }
-
-      return try await group.reduce(into: [DuctSizing.TrunkSize.RoomProxy]()) {
-        $0.append($1)
-      }
+  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(
@@ -277,7 +290,7 @@ final class TrunkModel: Model, @unchecked Sendable {
   }
 
   func applyUpdates(
-    _ updates: DuctSizing.TrunkSize.Update,
+    _ updates: TrunkSize.Update,
     on database: any Database
   ) async throws {
     if let type = updates.type, type.rawValue != self.type {
@@ -340,17 +353,17 @@ final class TrunkModel: Model, @unchecked Sendable {
 
 extension Array where Element == TrunkModel {
 
-  func toDTO(on database: any Database) async throws -> [DuctSizing.TrunkSize] {
-    try await withThrowingTaskGroup(of: DuctSizing.TrunkSize.self) { group in
-      for model in self {
-        group.addTask {
-          try await model.toDTO(on: database)
-        }
-      }
+  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 await group.reduce(into: [DuctSizing.TrunkSize]()) {
-        $0.append($1)
-      }
+    return try reduce(into: [TrunkSize]()) {
+      $0.append(try $1.toDTO())
     }
   }
+  // }
 }

Sources/ManualDClient/Helpers.swift

@@ -14,7 +14,7 @@ extension Room {
   }
 }
 
-extension DuctSizing.TrunkSize.RoomProxy {
+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
@@ -35,7 +35,7 @@ extension DuctSizing.TrunkSize.RoomProxy {
   }
 }
 
-extension DuctSizing.TrunkSize {
+extension TrunkSize {
 
   var totalHeatingLoad: Double {
     rooms.reduce(into: 0) { $0 += $1.totalHeatingLoad }

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)
@@ -28,15 +28,15 @@ extension ManualDClient: DependencyKey {
       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)
       return .init(height: request.height, width: Int(width.rounded(.toNearestOrEven)))
     }

Sources/ManualDClient/ManualDClient.swift

@@ -1,274 +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],
-    trunks: [DuctSizing.TrunkSize],
-    equipmentInfo: EquipmentInfo,
-    maxSupplyLength: EffectiveLength,
-    maxReturnLength: EffectiveLength,
-    designFrictionRate: Double,
-    projectSHR: Double,
-    logger: Logger? = nil
-  ) async throws -> (rooms: [DuctSizing.RoomContainer], trunks: [DuctSizing.TrunkContainer]) {
-    try await (
-      calculateSizes(
-        rooms: rooms, equipmentInfo: equipmentInfo,
-        maxSupplyLength: maxSupplyLength, maxReturnLength: maxReturnLength,
-        designFrictionRate: designFrictionRate, projectSHR: projectSHR
-      ),
-      calculateSizes(
-        rooms: rooms, trunks: trunks, equipmentInfo: equipmentInfo,
-        maxSupplyLength: maxSupplyLength, maxReturnLength: maxReturnLength,
-        designFrictionRate: designFrictionRate, projectSHR: projectSHR)
-    )
-  }
-
-  func calculateSizes(
-    rooms: [Room],
-    equipmentInfo: EquipmentInfo,
-    maxSupplyLength: EffectiveLength,
-    maxReturnLength: EffectiveLength,
-    designFrictionRate: Double,
-    projectSHR: Double,
-    logger: Logger? = nil
-  ) async throws -> [DuctSizing.RoomContainer] {
-
-    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(
-            roomID: room.id,
-            roomName: "\(room.name)-\(n)",
-            roomRegister: 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
-          )
-        )
-      }
-    }
-
-    return retval
-  }
-
-  func calculateSizes(
-    rooms: [Room],
-    trunks: [DuctSizing.TrunkSize],
-    equipmentInfo: EquipmentInfo,
-    maxSupplyLength: EffectiveLength,
-    maxReturnLength: EffectiveLength,
-    designFrictionRate: Double,
-    projectSHR: Double,
-    logger: Logger? = nil
-  ) async throws -> [DuctSizing.TrunkContainer] {
-
-    var retval = [DuctSizing.TrunkContainer]()
-    let totalHeatingLoad = rooms.totalHeatingLoad
-    let totalCoolingSensible = rooms.totalCoolingSensible(shr: projectSHR)
-
-    for trunk in trunks {
-      let heatingLoad = trunk.totalHeatingLoad
-      let coolingLoad = trunk.totalCoolingSensible(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)
-      )
-      var width: Int? = nil
-      if let height = trunk.height {
-        let rectangularSize = try await self.equivalentRectangularDuct(
-          .init(round: sizes.finalSize, height: height)
-        )
-        width = rectangularSize.width
-      }
-
-      retval.append(
-        .init(
-          trunk: trunk,
-          ductSize: .init(
-            designCFM: designCFM,
-            roundSize: sizes.ductulatorSize,
-            finalSize: sizes.finalSize,
-            velocity: sizes.velocity,
-            flexSize: sizes.flexSize,
-            height: trunk.height,
-            width: width
-          )
-        )
-      )
-    }
-
-    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 {
@@ -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

@@ -1,248 +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 SizeContainer: Codable, Equatable, Sendable {
-
-    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(
-      designCFM: DuctSizing.DesignCFM,
-      roundSize: Double,
-      finalSize: Int,
-      velocity: Int,
-      flexSize: Int,
-      height: Int? = nil,
-      width: Int? = nil
-    ) {
-      self.designCFM = designCFM
-      self.roundSize = roundSize
-      self.finalSize = finalSize
-      self.velocity = velocity
-      self.flexSize = flexSize
-      self.height = height
-      self.width = width
-    }
-  }
-
-  // TODO: Uses SizeContainer
-
-  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 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(
-      roomID: Room.ID,
-      roomName: String,
-      roomRegister: Int,
-      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.roomID = roomID
-      self.roomName = roomName
-      self.roomRegister = roomRegister
-      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
-      }
-    }
-  }
-}
-
-extension DuctSizing {
-
-  // 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<DuctSizing.TrunkSize, T>) -> T {
-      trunk[keyPath: keyPath]
-    }
-
-    public subscript<T>(dynamicMember keyPath: KeyPath<DuctSizing.SizeContainer, T>) -> T {
-      ductSize[keyPath: keyPath]
-    }
-  }
-
-  // TODO: Add an optional label that the user can set.
-
-  // 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: DuctSizing.TrunkSize.TrunkType,
-      rooms: [DuctSizing.TrunkSize.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 DuctSizing.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: DuctSizing.TrunkSize.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: DuctSizing.TrunkSize.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
-    }
-  }
-
-  // TODO: Make registers non-optional
-  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]
-  }
-}

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

@@ -84,6 +84,32 @@ extension Project {
     }
   }
 
+  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?

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

@@ -146,6 +146,7 @@ extension SiteRoute.View.ProjectRoute {
     case equipment(EquipmentInfoRoute)
     case equivalentLength(EquivalentLengthRoute)
     case frictionRate(FrictionRateRoute)
+    case pdf
     case rooms(RoomRoute)
 
     static let router = OneOf {
@@ -167,6 +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
       }
@@ -627,7 +632,7 @@ extension SiteRoute.View.ProjectRoute {
         }
         Method.delete
         Query {
-          Field("rectangularSize") { DuctSizing.RectangularDuct.ID.parser() }
+          Field("rectangularSize") { Room.RectangularSize.ID.parser() }
           Field("register") { Int.parser() }
         }
         .map(.memberwise(DeleteRectangularDuct.init))
@@ -642,7 +647,7 @@ extension SiteRoute.View.ProjectRoute {
         Body {
           FormData {
             Optionally {
-              Field("id") { DuctSizing.RectangularDuct.ID.parser() }
+              Field("id") { Room.RectangularSize.ID.parser() }
             }
             Field("register") { Int.parser() }
             Field("height") { Int.parser() }
@@ -658,19 +663,19 @@ extension SiteRoute.View.ProjectRoute {
 
     public struct DeleteRectangularDuct: Equatable, Sendable {
 
-      public let rectangularSizeID: DuctSizing.RectangularDuct.ID
+      public let rectangularSizeID: Room.RectangularSize.ID
       public let register: Int
 
-      public init(rectangularSizeID: DuctSizing.RectangularDuct.ID, register: Int) {
+      public init(rectangularSizeID: Room.RectangularSize.ID, register: Int) {
         self.rectangularSizeID = rectangularSizeID
         self.register = register
       }
     }
 
     public enum TrunkRoute: Equatable, Sendable {
-      case delete(DuctSizing.TrunkSize.ID)
+      case delete(TrunkSize.ID)
       case submit(TrunkSizeForm)
-      case update(DuctSizing.TrunkSize.ID, TrunkSizeForm)
+      case update(TrunkSize.ID, TrunkSizeForm)
 
       public static let rootPath = "trunk"
 
@@ -678,7 +683,7 @@ extension SiteRoute.View.ProjectRoute {
         Route(.case(Self.delete)) {
           Path {
             rootPath
-            DuctSizing.TrunkSize.ID.parser()
+            TrunkSize.ID.parser()
           }
           Method.delete
         }
@@ -690,7 +695,7 @@ extension SiteRoute.View.ProjectRoute {
           Body {
             FormData {
               Field("projectID") { Project.ID.parser() }
-              Field("type") { DuctSizing.TrunkSize.TrunkType.parser() }
+              Field("type") { TrunkSize.TrunkType.parser() }
               Optionally {
                 Field("height") { Int.parser() }
 
@@ -708,13 +713,13 @@ extension SiteRoute.View.ProjectRoute {
         Route(.case(Self.update)) {
           Path {
             rootPath
-            DuctSizing.TrunkSize.ID.parser()
+            TrunkSize.ID.parser()
           }
           Method.patch
           Body {
             FormData {
               Field("projectID") { Project.ID.parser() }
-              Field("type") { DuctSizing.TrunkSize.TrunkType.parser() }
+              Field("type") { TrunkSize.TrunkType.parser() }
               Optionally {
                 Field("height") { Int.parser() }
               }
@@ -732,17 +737,43 @@ extension SiteRoute.View.ProjectRoute {
     }
 
     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: DuctSizing.TrunkSize.TrunkType
+      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
+      }
     }
   }
 }

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/PdfClient/Interface.swift

@@ -0,0 +1,93 @@
+import Dependencies
+import DependenciesMacros
+import Elementary
+import ManualDCore
+
+extension DependencyValues {
+
+  public var pdfClient: PdfClient {
+    get { self[PdfClient.self] }
+    set { self[PdfClient.self] = newValue }
+  }
+}
+
+@DependencyClient
+public struct PdfClient: Sendable {
+  public var html: @Sendable (Request) async throws -> (any HTML & Sendable)
+  public var markdown: @Sendable (Request) async throws -> String
+}
+
+extension PdfClient: DependencyKey {
+  public static let testValue = Self()
+
+  public static let liveValue = Self(
+    html: { request in
+      request.toHTML()
+    },
+    markdown: { request in
+      request.toMarkdown()
+    }
+  )
+}
+
+extension PdfClient {
+
+  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
+
+    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
+    }
+  }
+}
+
+#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 +1,108 @@
+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/Request+markdown.swift

@@ -0,0 +1,113 @@
+import Foundation
+import ManualDCore
+
+extension PdfClient.Request {
+
+  func toMarkdown() -> String {
+    var retval = """
+      # Duct Calc
+
+      **Name:** \(project.name)
+      **Address:** \(project.streetAddress)
+                 \(project.city), \(project.state) \(project.zipCode)
+
+      ## Equipment
+
+      |                 | Value                           |
+      |:----------------|:--------------------------------|
+      | Static Pressure | \(equipmentInfo.staticPressure.string()) |
+      | Heating CFM     | \(equipmentInfo.heatingCFM.string())     | 
+      | Cooling CFM     | \(equipmentInfo.coolingCFM.string())     | 
+
+      ## Friction Rate
+
+      | Component Loss  | Value                           |
+      |:----------------|:--------------------------------|
+
+      """
+    for row in componentLosses {
+      retval += "\(componentLossRow(row))\n"
+    }
+
+    retval += """
+
+
+      | Results         | Value                           |
+      |:-----------------|:---------------------------------|
+      | Available Static Pressure    | \(frictionRate.availableStaticPressure.string()) |
+      | Total Equivalent Length      | \(totalEquivalentLength.string())                |
+      | Friction Rate Design Value   | \(frictionRate.value.string())                   |
+
+      ## Duct Sizes
+
+      | Register | Dsn CFM | Round Size | Velocity | Final Size | Flex Size | Height | Width |
+      |:---------|:--------|:----------------|:---------|:-----------|:----------|:-------|:------|
+
+      """
+    for row in ductSizes.rooms {
+      retval += "\(registerRow(row))\n"
+    }
+
+    retval += """
+
+      ## Trunk Sizes
+
+      ### Supply Trunks
+
+      | Name     | Associated Supplies | Dsn CFM | Velocity | Final Size | Flex Size | Height | Width |
+      |:---------|:--------------------|:--------|:---------|:-----------|:----------|:-------|:------|
+
+      """
+    for row in ductSizes.trunks.filter({ $0.type == .supply }) {
+      retval += "\(trunkRow(row))\n"
+    }
+
+    retval += """
+
+      ### Return Trunks / Run Outs
+
+      | Name     | Associated Supplies | Dsn CFM | Velocity | Final Size | Flex Size | Height | Width |
+      |:---------|:--------------------|:--------|:---------|:-----------|:----------|:-------|:------|
+
+      """
+    for row in ductSizes.trunks.filter({ $0.type == .return }) {
+      retval += "\(trunkRow(row))\n"
+    }
+
+    return retval
+  }
+
+  func registerRow(_ row: DuctSizes.RoomContainer) -> String {
+    return """
+      | \(row.roomName) | \(row.designCFM.value.string(digits: 0)) | \(row.roundSize.string()) | \(row.velocity.string()) | \(row.finalSize.string()) | \(row.flexSize.string()) | \(row.height?.string() ?? "") | \(row.width?.string() ?? "") |
+      """
+  }
+
+  func trunkRow(_ row: DuctSizes.TrunkContainer) -> String {
+    return """
+      | \(row.name ?? "") | \(associatedSupplyString(row)) | \(row.designCFM.value.string(digits: 0)) | \(row.roundSize.string()) | \(row.velocity.string()) | \(row.finalSize.string()) | \(row.flexSize.string()) | \(row.ductSize.height?.string() ?? "") | \(row.width?.string() ?? "") |
+      """
+  }
+
+  func componentLossRow(_ row: ComponentPressureLoss) -> String {
+    return """
+      | \(row.name) | \(row.value.string()) |
+      """
+  }
+
+  var totalEquivalentLength: Double {
+    maxSupplyTEL.totalEquivalentLength + maxReturnTEL.totalEquivalentLength
+  }
+
+  func associatedSupplyString(_ row: DuctSizes.TrunkContainer) -> String {
+    row.associatedSupplyString(rooms: ductSizes.rooms)
+  }
+}
+
+extension DuctSizes.TrunkContainer {
+
+  func associatedSupplyString(rooms: [DuctSizes.RoomContainer]) -> String {
+    self.registerIDS(rooms: rooms)
+      .joined(separator: ", ")
+  }
+}

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 +1,78 @@
+import Dependencies
+import DependenciesMacros
+import Elementary
+import ManualDClient
+import ManualDCore
+
+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
+
+  // FIX: Name to something to do with generating a pdf, just experimenting now.
+  public var toMarkdown: @Sendable (Project.ID) async throws -> String
+  public var toHTML: @Sendable (Project.ID) async throws -> (any HTML & Sendable)
+}
+
+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 +1,119 @@
+import DatabaseClient
+import Dependencies
+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
+
+    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)
+      },
+      toMarkdown: { projectID in
+        try await pdfClient.markdown(database.makePdfRequest(projectID))
+      },
+      toHTML: { projectID in
+        try await pdfClient.html(database.makePdfRequest(projectID))
+      }
+    )
+  }
+
+}
+
+extension DatabaseClient {
+
+  // fileprivate func makePdfRequest(_ projectID: Project.ID) async throws -> PdfClient.Request {
+  //   @Dependency(\.manualD) var manualD
+  //
+  //   guard let project = try await projects.get(projectID) else {
+  //     throw ProjectClientError("Project not found. id: \(projectID)")
+  //   }
+  //   let frictionRateResponse = try await manualD.frictionRate(projectID: projectID)
+  //   guard let frictionRate = frictionRateResponse.frictionRate else {
+  //     throw ProjectClientError("Friction rate not found. id: \(projectID)")
+  //   }
+  //   let (ductSizes, sharedInfo, rooms) = try await calculateDuctSizes(projectID: projectID)
+  //
+  //   return .init(
+  //     project: project,
+  //     rooms: rooms,
+  //     componentLosses: frictionRateResponse.componentLosses,
+  //     ductSizes: ductSizes,
+  //     equipmentInfo: sharedInfo.equipmentInfo,
+  //     maxSupplyTEL: sharedInfo.maxSupplyLength,
+  //     maxReturnTEL: sharedInfo.maxReturnLenght,
+  //     frictionRate: frictionRate,
+  //     projectSHR: sharedInfo.projectSHR
+  //   )
+  // }
+
+  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/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/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/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)"
       }
     }
   }
-
 }

Sources/ViewController/Extensions/DatabaseExtensions.swift

@@ -1,78 +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 -> (rooms: [DuctSizing.RoomContainer], trunks: [DuctSizing.TrunkContainer]) {
-    @Dependency(\.manualD) var manualD
-
-    return try await manualD.calculate(
-      rooms: rooms.fetch(projectID),
-      trunks: trunkSizes.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.total
-
-    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

@@ -1,38 +0,0 @@
-import Logging
-import ManualDClient
-import ManualDCore
-
-extension ManualDClient {
-
-  func calculate(
-    rooms: [Room],
-    trunks: [DuctSizing.TrunkSize],
-    designFrictionRateResult: (EquipmentInfo, EffectiveLength.MaxContainer, Double)?,
-    projectSHR: Double?,
-    logger: Logger? = nil
-  ) async throws -> (rooms: [DuctSizing.RoomContainer], trunks: [DuctSizing.TrunkContainer]) {
-    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,
-      trunks: trunks,
-      equipmentInfo: equipmentInfo,
-      maxSupplyLength: maxSupply,
-      maxReturnLength: maxReturn,
-      designFrictionRate: designFrictionRate,
-      projectSHR: projectSHR ?? 1.0,
-      logger: logger
-    )
-
-    // logger?.debug("Rooms: \(ductRooms)")
-
-    return ductRooms
-
-  }
-}

Sources/ViewController/Extensions/TrunkSizeForm+extensions.swift

@@ -4,7 +4,7 @@ import ManualDCore
 
 extension SiteRoute.View.ProjectRoute.DuctSizingRoute.TrunkSizeForm {
 
-  func toCreate(logger: Logger? = nil) throws -> DuctSizing.TrunkSize.Create {
+  func toCreate(logger: Logger? = nil) throws -> TrunkSize.Create {
     try .init(
       projectID: projectID,
       type: type,
@@ -14,7 +14,7 @@ extension SiteRoute.View.ProjectRoute.DuctSizingRoute.TrunkSizeForm {
     )
   }
 
-  func toUpdate(logger: Logger? = nil) throws -> DuctSizing.TrunkSize.Update {
+  func toUpdate(logger: Logger? = nil) throws -> TrunkSize.Update {
     try .init(
       type: type,
       rooms: makeRooms(logger: logger),

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
     }
 
   }
@@ -62,28 +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 {
@@ -10,20 +12,27 @@ extension ViewController.Request {
   func render() async -> AnySendableHTML {
 
     @Dependency(\.database) var database
+    @Dependency(\.projectClient) var projectClient
+    @Dependency(\.pdfClient) var pdfClient
 
     switch route {
     case .test:
-      let projectID = UUID(uuidString: "A9C20153-E2E5-4C65-B33F-4D8A29C63A7A")!
-      return await view {
-        await ResultView {
-          return (
-            try await database.projects.getCompletedSteps(projectID),
-            try await database.calculateDuctSizes(projectID: projectID)
-          )
-        } onSuccess: { (_, result) in
-          TestPage(trunks: result.trunks, rooms: result.rooms)
-        }
-      }
+      // 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())
     case .login(let route):
       switch route {
       case .index(let next):
@@ -116,6 +125,7 @@ extension SiteRoute.View.ProjectRoute {
 
   func renderView(on request: ViewController.Request) async -> AnySendableHTML {
     @Dependency(\.database) var database
+    @Dependency(\.projectClient) var projectClient
 
     switch self {
     case .index:
@@ -124,7 +134,7 @@ 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
@@ -146,19 +156,14 @@ extension SiteRoute.View.ProjectRoute {
       return await request.view {
         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)
-          let rooms = try await database.rooms.fetch(project.id)
-          let shr = try await database.projects.getSensibleHeatRatio(project.id)
-          let completedSteps = try await database.projects.getCompletedSteps(project.id)
-          return (project.id, rooms, shr, completedSteps)
-        } onSuccess: { (projectID, rooms, shr, completedSteps) in
+          return try await projectClient.createProject(user.id, form)
+        } onSuccess: { response in
           ProjectView(
-            projectID: projectID,
+            projectID: response.projectID,
             activeTab: .rooms,
-            completedSteps: completedSteps
+            completedSteps: response.completedSteps
           ) {
-            RoomsView(rooms: rooms, sensibleHeatRatio: shr)
+            RoomsView(rooms: response.rooms, sensibleHeatRatio: response.sensibleHeatRatio)
           }
         }
       }
@@ -187,6 +192,16 @@ extension SiteRoute.View.ProjectRoute {
         return await route.renderView(on: request, projectID: projectID)
       case .frictionRate(let route):
         return await route.renderView(on: request, projectID: projectID)
+      case .pdf:
+        // return await ResultView2 {
+        //   try await projectClient.toHTML(projectID)
+        // } onError: {
+        //   ErrorView2(error: $0)
+        // }
+        // return await ResultView {
+        return try! await projectClient.toHTML(projectID)
+      // }
+      // fatalError()
       case .rooms(let route):
         return await route.renderView(on: request, projectID: projectID)
       }
@@ -372,7 +387,7 @@ extension SiteRoute.View.ProjectRoute.FrictionRateRoute {
           FrictionRateView(
             componentLosses: losses,
             equivalentLengths: lengths,
-            frictionRateResponse: frictionRate
+            frictionRate: frictionRate
           )
         }
 
@@ -416,32 +431,21 @@ extension SiteRoute.View.ProjectRoute.ComponentLossRoute {
   ) async -> AnySendableHTML {
 
     @Dependency(\.database) var database
-    @Dependency(\.manualD) var manualD
+    @Dependency(\.projectClient) var projectClient
 
     return await request.view {
       await ResultView {
         try await catching()
-
-        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
-          )
+          try await projectClient.frictionRate(projectID)
         )
-      } onSuccess: { (steps, losses, lengths, frictionRate) in
+      } onSuccess: { (steps, response) in
         ProjectView(projectID: projectID, activeTab: .frictionRate, completedSteps: steps) {
           FrictionRateView(
-            componentLosses: losses,
-            equivalentLengths: lengths,
-            frictionRateResponse: frictionRate
+            componentLosses: response.componentLosses,
+            equivalentLengths: response.equivalentLengths,
+            frictionRate: response.frictionRate
           )
         }
 
@@ -555,6 +559,7 @@ extension SiteRoute.View.ProjectRoute.DuctSizingRoute {
   ) async -> AnySendableHTML {
     @Dependency(\.database) var database
     @Dependency(\.manualD) var manualD
+    @Dependency(\.projectClient) var projectClient
 
     switch self {
     case .index:
@@ -563,8 +568,7 @@ extension SiteRoute.View.ProjectRoute.DuctSizingRoute {
     case .deleteRectangularSize(let roomID, let request):
       return await ResultView {
         let room = try await database.rooms.deleteRectangularSize(roomID, request.rectangularSizeID)
-        return try await database.calculateDuctSizes(projectID: projectID)
-          .rooms
+        return try await projectClient.calculateRoomDuctSizes(projectID)
           .filter({ $0.roomID == room.id && $0.roomRegister == request.register })
           .first!
       } onSuccess: { room in
@@ -577,8 +581,7 @@ extension SiteRoute.View.ProjectRoute.DuctSizingRoute {
           roomID,
           .init(id: form.id ?? .init(), register: form.register, height: form.height)
         )
-        return try await database.calculateDuctSizes(projectID: projectID)
-          .rooms
+        return try await projectClient.calculateRoomDuctSizes(projectID)
           .filter({ $0.roomID == room.id && $0.roomRegister == form.register })
           .first!
       } onSuccess: { room in
@@ -612,17 +615,18 @@ extension SiteRoute.View.ProjectRoute.DuctSizingRoute {
     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 database.calculateDuctSizes(projectID: projectID)
+          try await project.calculateDuctSizes(projectID)
         )
       } onSuccess: { (steps, ducts) in
         ProjectView(projectID: projectID, activeTab: .ductSizing, completedSteps: steps) {
-          DuctSizingView(rooms: ducts.rooms, trunks: ducts.trunks)
+          DuctSizingView(ductSizes: ducts)
         }
       }
     }

Sources/ViewController/Views/DuctSizing/DuctSizingView.swift

@@ -7,8 +7,7 @@ struct DuctSizingView: HTML, Sendable {
 
   @Environment(ProjectViewValue.$projectID) var projectID
 
-  let rooms: [DuctSizing.RoomContainer]
-  let trunks: [DuctSizing.TrunkContainer]
+  let ductSizes: DuctSizes
 
   var body: some HTML {
     div(.class("space-y-4")) {
@@ -21,13 +20,21 @@ struct DuctSizingView: HTML, Sendable {
             Must complete all the previous sections to display duct sizing calculations.
             """
           )
-          .hidden(when: rooms.count > 0)
+          .hidden(when: ductSizes.rooms.count > 0)
           .attributes(.class("text-error font-bold italic mt-4"))
         }
+
+        a(
+          .class("btn btn-primary"),
+          .href(route: .project(.detail(projectID, .pdf)))
+        ) {
+          "PDF"
+        }
+
       }
 
-      if rooms.count != 0 {
-        RoomsTable(rooms: rooms)
+      if ductSizes.rooms.count != 0 {
+        RoomsTable(rooms: ductSizes.rooms)
 
         PageTitleRow {
           PageTitle {
@@ -42,13 +49,13 @@ struct DuctSizingView: HTML, Sendable {
             .tooltip("Add trunk / runout")
         }
 
-        if trunks.count > 0 {
-          TrunkTable(trunks: trunks, rooms: rooms)
+        if ductSizes.trunks.count > 0 {
+          TrunkTable(ductSizes: ductSizes)
         }
 
       }
 
-      TrunkSizeForm(rooms: rooms, dismiss: true)
+      TrunkSizeForm(rooms: ductSizes.rooms, dismiss: true)
     }
   }
 

Sources/ViewController/Views/DuctSizing/RectangularSizeForm.swift

@@ -5,7 +5,7 @@ import Styleguide
 
 struct RectangularSizeForm: HTML, Sendable {
 
-  static func id(_ room: DuctSizing.RoomContainer) -> String {
+  static func id(_ room: DuctSizes.RoomContainer) -> String {
     let base = "rectangularSize"
     return "\(base)_\(room.roomName.idString)"
   }
@@ -13,12 +13,12 @@ struct RectangularSizeForm: HTML, Sendable {
   @Environment(ProjectViewValue.$projectID) var projectID
 
   let id: String
-  let room: DuctSizing.RoomContainer
+  let room: DuctSizes.RoomContainer
   let dismiss: Bool
 
   init(
     id: String? = nil,
-    room: DuctSizing.RoomContainer,
+    room: DuctSizes.RoomContainer,
     dismiss: Bool = true
   ) {
     self.id = Self.id(room)
@@ -40,7 +40,7 @@ struct RectangularSizeForm: HTML, Sendable {
   }
 
   var height: Int? {
-    room.rectangularSize?.height
+    room.ductSize.height
   }
 
   var body: some HTML<HTMLTag.dialog> {
@@ -54,7 +54,7 @@ struct RectangularSizeForm: HTML, Sendable {
         .hx.swap(.outerHTML)
       ) {
         input(.class("hidden"), .name("register"), .value(room.roomRegister))
-        input(.class("hidden"), .name("id"), .value(room.rectangularSize?.id))
+        input(.class("hidden"), .name("id"), .value(room.ductSize.rectangularID))
 
         LabeledInput(
           "Height",

Sources/ViewController/Views/DuctSizing/RoomsTable.swift

@@ -9,7 +9,7 @@ extension DuctSizingView {
   struct RoomsTable: HTML, Sendable {
     @Environment(ProjectViewValue.$projectID) var projectID
 
-    let rooms: [DuctSizing.RoomContainer]
+    let rooms: [DuctSizes.RoomContainer]
 
     var body: some HTML<HTMLTag.table> {
 
@@ -34,17 +34,17 @@ extension DuctSizingView {
 
   struct RoomRow: HTML, Sendable {
 
-    static func id(_ room: DuctSizing.RoomContainer) -> String {
+    static func id(_ room: DuctSizes.RoomContainer) -> String {
       "roomRow_\(room.roomName.idString)"
     }
 
     @Environment(ProjectViewValue.$projectID) var projectID
 
-    let room: DuctSizing.RoomContainer
+    let room: DuctSizes.RoomContainer
     let formID = UUID().idString
 
     var deleteRoute: String {
-      guard let id = room.rectangularSize?.id else { return "" }
+      guard let id = room.rectangularID else { return "" }
 
       return SiteRoute.View.router.path(
         for: .project(
@@ -80,7 +80,7 @@ extension DuctSizingView {
 
             span(.class("label")) { "Design" }
             div(.class("flex justify-center")) {
-              Badge(number: room.designCFM.value, digits: 0)
+              Badge(number: room.ductSize.designCFM.value, digits: 0)
             }
 
             span(.class("label")) { "Heating" }
@@ -103,28 +103,28 @@ extension DuctSizingView {
 
             div(.class("label")) { "Calculated" }
             div(.class("flex justify-center")) {
-              Badge(number: room.roundSize, digits: 2)
+              Badge(number: room.ductSize.roundSize, digits: 2)
             }
             div {}
 
             div(.class("label")) { "Final" }
             div(.class("flex justify-center")) {
-              Badge(number: room.finalSize)
+              Badge(number: room.ductSize.finalSize)
                 .attributes(.class("badge-secondary"))
             }
             div {}
 
             div(.class("label")) { "Flex" }
             div(.class("flex justify-center")) {
-              Badge(number: room.flexSize)
+              Badge(number: room.ductSize.flexSize)
                 .attributes(.class("badge-primary"))
             }
             div {}
 
             div(.class("label")) { "Rectangular" }
             div(.class("flex justify-center")) {
-              if let width = room.rectangularWidth,
-                let height = room.rectangularSize?.height
+              if let width = room.ductSize.width,
+                let height = room.ductSize.height
               {
                 Badge {
                   span { "\(width) x \(height)" }
@@ -134,7 +134,7 @@ extension DuctSizingView {
             }
             div(.class("flex justify-end")) {
               div(.class("join")) {
-                if room.rectangularSize != nil {
+                if room.ductSize.width != nil {
                   Tooltip("Delete Size", position: .bottom) {
                     TrashButton()
                       .attributes(.class("join-item btn-ghost"))
@@ -142,7 +142,7 @@ extension DuctSizingView {
                         .hx.delete(deleteRoute),
                         .hx.target("#\(rowID)"),
                         .hx.swap(.outerHTML),
-                        when: room.rectangularSize != nil
+                        when: room.ductSize.width != nil
                       )
                   }
                 }

Sources/ViewController/Views/DuctSizing/TrunkSizeForm.swift

@@ -5,7 +5,7 @@ import Styleguide
 
 struct TrunkSizeForm: HTML, Sendable {
 
-  static func id(_ trunk: DuctSizing.TrunkContainer? = nil) -> String {
+  static func id(_ trunk: DuctSizes.TrunkContainer? = nil) -> String {
     let base = "trunkSizeForm"
     guard let trunk else { return base }
     return "\(base)_\(trunk.id.idString)"
@@ -13,17 +13,17 @@ struct TrunkSizeForm: HTML, Sendable {
 
   @Environment(ProjectViewValue.$projectID) var projectID
 
-  let container: DuctSizing.TrunkContainer?
-  let rooms: [DuctSizing.RoomContainer]
+  let container: DuctSizes.TrunkContainer?
+  let rooms: [DuctSizes.RoomContainer]
   let dismiss: Bool
 
-  var trunk: DuctSizing.TrunkSize? {
+  var trunk: TrunkSize? {
     container?.trunk
   }
 
   init(
-    trunk: DuctSizing.TrunkContainer? = nil,
-    rooms: [DuctSizing.RoomContainer],
+    trunk: DuctSizes.TrunkContainer? = nil,
+    rooms: [DuctSizes.RoomContainer],
     dismiss: Bool = true
   ) {
     self.container = trunk
@@ -56,7 +56,7 @@ struct TrunkSizeForm: HTML, Sendable {
           label(.class("select w-full")) {
             span(.class("label")) { "Type" }
             select(.name("type")) {
-              for type in DuctSizing.TrunkSize.TrunkType.allCases {
+              for type in TrunkSize.TrunkType.allCases {
                 option(.value(type.rawValue)) { type.rawValue.capitalized }
                   .attributes(.selected, when: trunk?.type == type)
               }
@@ -121,8 +121,8 @@ struct TrunkSizeForm: HTML, Sendable {
 
 }
 
-extension Array where Element == DuctSizing.TrunkSize.RoomProxy {
-  func hasRoom(_ room: DuctSizing.RoomContainer) -> Bool {
+extension Array where Element == TrunkSize.RoomProxy {
+  func hasRoom(_ room: DuctSizes.RoomContainer) -> Bool {
     first {
       $0.id == room.roomID
         && $0.registers.contains(room.roomRegister)

Sources/ViewController/Views/DuctSizing/TrunksTable.swift

@@ -7,11 +7,10 @@ extension DuctSizingView {
 
   struct TrunkTable: HTML, Sendable {
 
-    let trunks: [DuctSizing.TrunkContainer]
-    let rooms: [DuctSizing.RoomContainer]
+    let ductSizes: DuctSizes
 
-    private var sortedTrunks: [DuctSizing.TrunkContainer] {
-      trunks
+    private var sortedTrunks: [DuctSizes.TrunkContainer] {
+      ductSizes.trunks
         .sorted(by: { $0.designCFM.value > $1.designCFM.value })
         .sorted(by: { $0.type.rawValue > $1.type.rawValue })
     }
@@ -29,7 +28,7 @@ extension DuctSizingView {
         }
         tbody {
           for trunk in sortedTrunks {
-            TrunkRow(trunk: trunk, rooms: rooms)
+            TrunkRow(trunk: trunk, rooms: ductSizes.rooms)
           }
         }
       }
@@ -41,8 +40,8 @@ extension DuctSizingView {
 
     @Environment(ProjectViewValue.$projectID) var projectID
 
-    let trunk: DuctSizing.TrunkContainer
-    let rooms: [DuctSizing.RoomContainer]
+    let trunk: DuctSizes.TrunkContainer
+    let rooms: [DuctSizes.RoomContainer]
 
     var body: some HTML<HTMLTag.tr> {
       tr {
@@ -135,17 +134,18 @@ extension DuctSizingView {
     }
 
     private var registerIDS: [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()
+      trunk.registerIDS(rooms: rooms)
+      // 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()
     }
 
   }

Sources/ViewController/Views/FrictionRate/FrictionRateView.swift

@@ -9,37 +9,33 @@ struct FrictionRateView: HTML, Sendable {
 
   let componentLosses: [ComponentPressureLoss]
   let equivalentLengths: EffectiveLength.MaxContainer
-  let frictionRateResponse: ManualDClient.FrictionRateResponse?
+  let frictionRate: FrictionRate?
 
   private var availableStaticPressure: Double? {
-    frictionRateResponse?.availableStaticPressure
-  }
-
-  private var frictionRateDesignValue: Double? {
-    frictionRateResponse?.frictionRate
+    frictionRate?.availableStaticPressure
   }
 
   private var shouldShowBadges: Bool {
-    frictionRateDesignValue != nil || availableStaticPressure != nil
+    frictionRate != nil
   }
 
   private var badgeColor: String {
     let base = "badge-info"
-    guard let frictionRateDesignValue else { return base }
-    if frictionRateDesignValue >= 0.18 || frictionRateDesignValue <= 0.02 {
+    guard let frictionRate = frictionRate?.value else { return base }
+    if frictionRate >= 0.18 || frictionRate <= 0.02 {
       return "badge-error"
     }
     return base
   }
 
   private var showHighErrors: Bool {
-    guard let frictionRateDesignValue else { return false }
-    return frictionRateDesignValue >= 0.18
+    guard let frictionRate = frictionRate?.value else { return false }
+    return frictionRate >= 0.18
   }
 
   private var showLowErrors: Bool {
-    guard let frictionRateDesignValue else { return false }
-    return frictionRateDesignValue <= 0.02
+    guard let frictionRate = frictionRate?.value else { return false }
+    return frictionRate <= 0.02
   }
 
   private var showNoComponentLossesError: Bool {
@@ -47,7 +43,7 @@ struct FrictionRateView: HTML, Sendable {
   }
 
   private var showIncompleteSectionsError: Bool {
-    availableStaticPressure == nil || frictionRateDesignValue == nil
+    availableStaticPressure == nil || frictionRate?.value == nil
   }
 
   private var hasAlerts: Bool {
@@ -68,11 +64,11 @@ struct FrictionRateView: HTML, Sendable {
           div(.class("space-y-2 justify-end font-bold text-lg")) {
             if shouldShowBadges {
 
-              if let frictionRateDesignValue {
+              if let frictionRate = frictionRate?.value {
                 LabeledContent {
                   span { "Friction Rate Design Value" }
                 } content: {
-                  Badge(number: frictionRateDesignValue, digits: 2)
+                  Badge(number: frictionRate, digits: 2)
                     .attributes(.class("\(badgeColor) badge-lg"))
                     .bold()
                 }

Sources/ViewController/Views/Project/ProjectView.swift

@@ -234,7 +234,7 @@ extension ManualDClient {
     equipmentInfo: EquipmentInfo?,
     componentLosses: [ComponentPressureLoss],
     effectiveLength: EffectiveLength.MaxContainer
-  ) async throws -> FrictionRateResponse? {
+  ) async throws -> FrictionRate? {
     guard let staticPressure = equipmentInfo?.staticPressure else {
       return nil
     }

Sources/ViewController/Views/Rooms/RoomsView.swift

@@ -21,7 +21,7 @@ struct RoomsView: HTML, Sendable {
           }
 
           div(.class("flex justify-end grow")) {
-            Tooltip("Project wide sensible heat ratio", position: .left) {
+            Tooltip("Set sensible heat ratio", position: .left) {
               button(
                 .class(
                   """
@@ -43,23 +43,24 @@ struct RoomsView: HTML, Sendable {
               }
               .attributes(.class("border border-error"), when: sensibleHeatRatio == nil)
             }
+            .attributes(.class("tooltip-open"), when: sensibleHeatRatio == nil)
           }
 
           div(.class("flex items-end space-x-4 font-bold")) {
             span(.class("text-lg")) { "Heating Total" }
-            Badge(number: rooms.heatingTotal, digits: 0)
+            Badge(number: rooms.totalHeatingLoad, digits: 0)
               .attributes(.class("badge-error"))
           }
 
           div(.class("flex justify-center items-end space-x-4 my-auto font-bold")) {
             span(.class("text-lg")) { "Cooling Total" }
-            Badge(number: rooms.coolingTotal, digits: 0)
+            Badge(number: rooms.totalCoolingLoad, digits: 0)
               .attributes(.class("badge-success"))
           }
 
           div(.class("flex grow justify-end items-end space-x-4 me-4 my-auto font-bold")) {
             span(.class("text-lg")) { "Cooling Sensible" }
-            Badge(number: rooms.coolingSensible(shr: sensibleHeatRatio), digits: 0)
+            Badge(number: rooms.totalCoolingSensible(shr: sensibleHeatRatio ?? 1.0), digits: 0)
               .attributes(.class("badge-info"))
           }
         }
@@ -67,7 +68,7 @@ struct RoomsView: HTML, Sendable {
 
       SHRForm(
         sensibleHeatRatio: sensibleHeatRatio,
-        dismiss: sensibleHeatRatio != nil
+        dismiss: true
       )
 
       table(.class("table table-zebra text-lg"), .id("roomsTable")) {
@@ -237,22 +238,3 @@ struct RoomsView: HTML, Sendable {
     }
   }
 }
-
-extension Array where Element == Room {
-  var heatingTotal: Double {
-    reduce(into: 0) { $0 += $1.heatingLoad }
-  }
-
-  var coolingTotal: Double {
-    reduce(into: 0) { $0 += $1.coolingTotal }
-  }
-
-  func coolingSensible(shr: Double?) -> Double {
-    let shr = shr ?? 1.0
-
-    return reduce(into: 0) {
-      let sensible = $1.coolingSensible ?? ($1.coolingTotal * shr)
-      $0 += sensible
-    }
-  }
-}

Sources/ViewController/Views/TestPage.swift

@@ -5,27 +5,27 @@ import ManualDCore
 import Styleguide
 
 struct TestPage: HTML, Sendable {
-  let trunks: [DuctSizing.TrunkContainer]
-  let rooms: [DuctSizing.RoomContainer]
+  // let ductSizes: DuctSizes
 
   var body: some HTML {
-    div(.class("overflow-auto")) {
-      DuctSizingView.TrunkTable(trunks: trunks, rooms: rooms)
-
-      Row {
-        h2(.class("text-2xl font-bold")) { "Trunk Sizes" }
-
-        PlusButton()
-          .attributes(
-            .class("me-6"),
-            .showModal(id: TrunkSizeForm.id())
-          )
-      }
-      .attributes(.class("mt-6"))
-
-      div(.class("divider -mt-2")) {}
-
-      DuctSizingView.TrunkTable(trunks: trunks, rooms: rooms)
-    }
+    div {}
+    // div(.class("overflow-auto")) {
+    //   DuctSizingView.TrunkTable(ductSizes: ductSizes)
+    //
+    //   Row {
+    //     h2(.class("text-2xl font-bold")) { "Trunk Sizes" }
+    //
+    //     PlusButton()
+    //       .attributes(
+    //         .class("me-6"),
+    //         .showModal(id: TrunkSizeForm.id())
+    //       )
+    //   }
+    //   .attributes(.class("mt-6"))
+    //
+    //   div(.class("divider -mt-2")) {}
+    //
+    //   DuctSizingView.TrunkTable(ductSizes: ductSizes)
+    // }
   }
 }

TODO.md

@@ -0,0 +1,9 @@
+# TODO's
+
+- [x] Fix theme not working when selected upon signup.
+- [ ] Pdf generation
+- [ ] Add postgres / mysql support
+- [ ] Opensource / license ??
+- [ ] Figure out domain to host (currently thinking ductcalc.pro)
+    - [ ] Logo / navbar name may have to change if it's not duct-calc.
+    - [ ] MainPage meta items will have to change also

Tests/ManualDClientTests/ManualDClientTests.swift

@@ -27,7 +27,7 @@ struct ManualDClientTests {
     let response = try await manualD.ductSize(
       .init(designCFM: 88, frictionRate: 0.06)
     )
-    #expect(numberFormatter.string(for: response.ductulatorSize) == "6.07")
+    #expect(numberFormatter.string(for: response.calculatedSize) == "6.07")
     #expect(response.finalSize == 7)
     #expect(response.flexSize == 7)
     #expect(response.velocity == 329)
@@ -61,7 +61,7 @@ struct ManualDClientTests {
 
   @Test
   func totalEffectiveLength() async throws {
-    let response = try await manualD.totalEffectiveLength(
+    let response = try await manualD.totalEquivalentLength(
       .init(
         trunkLengths: [25],
         runoutLengths: [10],
@@ -79,7 +79,7 @@ struct ManualDClientTests {
 
   @Test
   func equivalentRectangularDuct() async throws {
-    let response = try await manualD.equivalentRectangularDuct(.init(round: 7, height: 8))
+    let response = try await manualD.rectangularSize(.init(round: 7, height: 8))
     #expect(response.height == 8)
     #expect(response.width == 5)
   }

docker/Dockerfile.dev

@@ -17,6 +17,7 @@ RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
 			npm \
 			build-essential \
 			curl \
+			wkhtmltopdf \
     && rm -r /var/lib/apt/lists/*
 
 # Set up a build area

ductsizes.json

@@ -0,0 +1,359 @@
+{
+  "trunks": [
+    {
+      "trunk": {
+        "projectID": "E796C96C-F527-4753-A00A-EBCF25630663",
+        "type": "supply",
+        "name": "West",
+        "id": "AFBC5264-8129-4383-97D8-F44CF5258A53",
+        "rooms": [
+          {
+            "room": {
+              "coolingTotal": 4567,
+              "id": "FA2F107F-5DF0-4D69-B231-DE3C6EF64134",
+              "registerCount": 3,
+              "heatingLoad": 9876,
+              "updatedAt": "2026-01-17T16:51:33Z",
+              "createdAt": "2026-01-17T16:51:33Z",
+              "projectID": "E796C96C-F527-4753-A00A-EBCF25630663",
+              "name": "Kitchen"
+            },
+            "registers": [1, 2, 3]
+          },
+          {
+            "room": {
+              "coolingTotal": 4567,
+              "id": "9A01CEE8-6A4B-4299-9353-58AFAD042903",
+              "registerCount": 3,
+              "heatingLoad": 9876,
+              "updatedAt": "2026-01-17T16:51:21Z",
+              "createdAt": "2026-01-17T16:51:21Z",
+              "name": "Master",
+              "projectID": "E796C96C-F527-4753-A00A-EBCF25630663"
+            },
+            "registers": [1, 2, 3]
+          }
+        ],
+        "height": 8
+      },
+      "ductSize": {
+        "height": 8,
+        "roundSize": 12.3660960368007,
+        "width": 19,
+        "velocity": 737,
+        "finalSize": 14,
+        "flexSize": 14,
+        "designCFM": {
+          "cooling": {
+            "_0": 787.278055507671
+          }
+        }
+      }
+    },
+    {
+      "trunk": {
+        "projectID": "E796C96C-F527-4753-A00A-EBCF25630663",
+        "name": "East",
+        "id": "C6A21594-0A28-4A20-BC15-628502010201",
+        "type": "supply",
+        "height": 8,
+        "rooms": [
+          {
+            "room": {
+              "coolingTotal": 1234,
+              "id": "2420F9C7-0FCA-4E92-BAC9-8A054CB3201B",
+              "registerCount": 1,
+              "heatingLoad": 4567,
+              "updatedAt": "2026-01-17T16:51:10Z",
+              "createdAt": "2026-01-17T16:51:10Z",
+              "name": "Entry",
+              "projectID": "E796C96C-F527-4753-A00A-EBCF25630663"
+            },
+            "registers": [1]
+          },
+          {
+            "room": {
+              "coolingTotal": 1234,
+              "id": "449FE324-2ACF-4C12-83A3-EB86FD45A991",
+              "registerCount": 2,
+              "heatingLoad": 4567,
+              "updatedAt": "2026-01-17T16:51:02Z",
+              "createdAt": "2026-01-17T16:51:02Z",
+              "projectID": "E796C96C-F527-4753-A00A-EBCF25630663",
+              "name": "Bed-1"
+            },
+            "registers": [1, 2]
+          }
+        ]
+      },
+      "ductSize": {
+        "height": 8,
+        "roundSize": 8.39504804369037,
+        "width": 8,
+        "velocity": 643,
+        "flexSize": 10,
+        "finalSize": 9,
+        "designCFM": {
+          "heating": {
+            "_0": 284.587689538185
+          }
+        }
+      }
+    },
+    {
+      "trunk": {
+        "name": "Main",
+        "projectID": "E796C96C-F527-4753-A00A-EBCF25630663",
+        "id": "C65863A0-D2EE-4D90-8C71-B1FD2454A8DF",
+        "type": "return",
+        "rooms": [
+          {
+            "registers": [1, 2, 3],
+            "room": {
+              "coolingTotal": 4567,
+              "id": "FA2F107F-5DF0-4D69-B231-DE3C6EF64134",
+              "registerCount": 3,
+              "heatingLoad": 9876,
+              "updatedAt": "2026-01-17T16:51:33Z",
+              "createdAt": "2026-01-17T16:51:33Z",
+              "name": "Kitchen",
+              "projectID": "E796C96C-F527-4753-A00A-EBCF25630663"
+            }
+          },
+          {
+            "registers": [1, 2, 3],
+            "room": {
+              "coolingTotal": 4567,
+              "id": "9A01CEE8-6A4B-4299-9353-58AFAD042903",
+              "registerCount": 3,
+              "heatingLoad": 9876,
+              "updatedAt": "2026-01-17T16:51:21Z",
+              "createdAt": "2026-01-17T16:51:21Z",
+              "name": "Master",
+              "projectID": "E796C96C-F527-4753-A00A-EBCF25630663"
+            }
+          },
+          {
+            "registers": [1],
+            "room": {
+              "coolingTotal": 1234,
+              "id": "2420F9C7-0FCA-4E92-BAC9-8A054CB3201B",
+              "registerCount": 1,
+              "heatingLoad": 4567,
+              "updatedAt": "2026-01-17T16:51:10Z",
+              "createdAt": "2026-01-17T16:51:10Z",
+              "name": "Entry",
+              "projectID": "E796C96C-F527-4753-A00A-EBCF25630663"
+            }
+          },
+          {
+            "registers": [1, 2],
+            "room": {
+              "coolingTotal": 1234,
+              "id": "449FE324-2ACF-4C12-83A3-EB86FD45A991",
+              "registerCount": 2,
+              "heatingLoad": 4567,
+              "updatedAt": "2026-01-17T16:51:02Z",
+              "createdAt": "2026-01-17T16:51:02Z",
+              "name": "Bed-1",
+              "projectID": "E796C96C-F527-4753-A00A-EBCF25630663"
+            }
+          }
+        ]
+      },
+      "ductSize": {
+        "designCFM": {
+          "cooling": {
+            "_0": 1000
+          }
+        },
+        "roundSize": 13.539327773393,
+        "velocity": 935,
+        "finalSize": 14,
+        "flexSize": 16
+      }
+    }
+  ],
+  "rooms": [
+    {
+      "ductSize": {
+        "velocity": 521,
+        "flexSize": 6,
+        "designCFM": {
+          "heating": {
+            "_0": 71.1469223845461
+          }
+        },
+        "roundSize": 4.95724506597333,
+        "finalSize": 5
+      },
+      "heatingCFM": 71.1469223845461,
+      "roomRegister": 1,
+      "heatingLoad": 2283.5,
+      "roomName": "Bed-1-1",
+      "roomID": "449FE324-2ACF-4C12-83A3-EB86FD45A991",
+      "coolingLoad": 512.11,
+      "coolingCFM": 53.1804861230822
+    },
+    {
+      "ductSize": {
+        "velocity": 521,
+        "flexSize": 6,
+        "designCFM": {
+          "heating": {
+            "_0": 71.1469223845461
+          }
+        },
+        "roundSize": 4.95724506597333,
+        "finalSize": 5
+      },
+      "heatingCFM": 71.1469223845461,
+      "roomRegister": 2,
+      "heatingLoad": 2283.5,
+      "roomName": "Bed-1-2",
+      "roomID": "449FE324-2ACF-4C12-83A3-EB86FD45A991",
+      "coolingLoad": 512.11,
+      "coolingCFM": 53.1804861230822
+    },
+    {
+      "ductSize": {
+        "velocity": 532,
+        "flexSize": 7,
+        "designCFM": {
+          "heating": {
+            "_0": 142.293844769092
+          }
+        },
+        "roundSize": 6.4510704920341,
+        "finalSize": 7
+      },
+      "heatingCFM": 142.293844769092,
+      "roomRegister": 1,
+      "heatingLoad": 4567,
+      "roomName": "Entry-1",
+      "roomID": "2420F9C7-0FCA-4E92-BAC9-8A054CB3201B",
+      "coolingLoad": 1024.22,
+      "coolingCFM": 106.360972246164
+    },
+    {
+      "ductSize": {
+        "velocity": 490,
+        "flexSize": 7,
+        "designCFM": {
+          "cooling": {
+            "_0": 131.213009251279
+          }
+        },
+        "roundSize": 6.25641154872314,
+        "finalSize": 7
+      },
+      "heatingCFM": 102.568718410303,
+      "roomRegister": 1,
+      "heatingLoad": 3292,
+      "roomName": "Kitchen-1",
+      "roomID": "FA2F107F-5DF0-4D69-B231-DE3C6EF64134",
+      "coolingLoad": 1263.53666666667,
+      "coolingCFM": 131.213009251279
+    },
+    {
+      "ductSize": {
+        "velocity": 490,
+        "flexSize": 7,
+        "designCFM": {
+          "cooling": {
+            "_0": 131.213009251279
+          }
+        },
+        "roundSize": 6.25641154872314,
+        "finalSize": 7
+      },
+      "heatingCFM": 102.568718410303,
+      "roomRegister": 2,
+      "heatingLoad": 3292,
+      "roomName": "Kitchen-2",
+      "roomID": "FA2F107F-5DF0-4D69-B231-DE3C6EF64134",
+      "coolingLoad": 1263.53666666667,
+      "coolingCFM": 131.213009251279
+    },
+    {
+      "ductSize": {
+        "velocity": 490,
+        "flexSize": 7,
+        "designCFM": {
+          "cooling": {
+            "_0": 131.213009251279
+          }
+        },
+        "roundSize": 6.25641154872314,
+        "finalSize": 7
+      },
+      "heatingCFM": 102.568718410303,
+      "roomRegister": 3,
+      "heatingLoad": 3292,
+      "roomName": "Kitchen-3",
+      "roomID": "FA2F107F-5DF0-4D69-B231-DE3C6EF64134",
+      "coolingLoad": 1263.53666666667,
+      "coolingCFM": 131.213009251279
+    },
+    {
+      "ductSize": {
+        "velocity": 490,
+        "flexSize": 7,
+        "designCFM": {
+          "cooling": {
+            "_0": 131.213009251279
+          }
+        },
+        "roundSize": 6.25641154872314,
+        "finalSize": 7
+      },
+      "heatingCFM": 102.568718410303,
+      "roomRegister": 1,
+      "heatingLoad": 3292,
+      "roomName": "Master-1",
+      "roomID": "9A01CEE8-6A4B-4299-9353-58AFAD042903",
+      "coolingLoad": 1263.53666666667,
+      "coolingCFM": 131.213009251279
+    },
+    {
+      "ductSize": {
+        "velocity": 490,
+        "flexSize": 7,
+        "designCFM": {
+          "cooling": {
+            "_0": 131.213009251279
+          }
+        },
+        "roundSize": 6.25641154872314,
+        "finalSize": 7
+      },
+      "heatingCFM": 102.568718410303,
+      "roomRegister": 2,
+      "heatingLoad": 3292,
+      "roomName": "Master-2",
+      "roomID": "9A01CEE8-6A4B-4299-9353-58AFAD042903",
+      "coolingLoad": 1263.53666666667,
+      "coolingCFM": 131.213009251279
+    },
+    {
+      "ductSize": {
+        "velocity": 490,
+        "flexSize": 7,
+        "designCFM": {
+          "cooling": {
+            "_0": 131.213009251279
+          }
+        },
+        "roundSize": 6.25641154872314,
+        "finalSize": 7
+      },
+      "heatingCFM": 102.568718410303,
+      "roomRegister": 3,
+      "heatingLoad": 3292,
+      "roomName": "Master-3",
+      "roomID": "9A01CEE8-6A4B-4299-9353-58AFAD042903",
+      "coolingLoad": 1263.53666666667,
+      "coolingCFM": 131.213009251279
+    }
+}
+  ]

justfile

@@ -1,6 +1,9 @@
 docker_image := "ductcalc"
 docker_tag := "latest"
 
+clean:
+	rm -rf .build
+
 install-deps:
 	@curl -sL daisyui.com/fast | bash