WIP: Updates test html snapshots, working on validation when delegating airflow to a different room.

Sources/DatabaseClient/Internal/Rooms.swift

@@ -84,6 +84,14 @@ extension DatabaseClient.Rooms: TestDependencyKey {
 extension Room.Create {
 
   func toModel(projectID: Project.ID) throws -> RoomModel {
+    var registerCount = registerCount
+    // Set register count appropriately when delegatedTo is set / changes.
+    if delegatedTo != nil {
+      registerCount = 0
+    } else if registerCount == 0 {
+      registerCount = 1
+    }
+
     return .init(
       name: name,
       heatingLoad: heatingLoad,
@@ -229,13 +237,28 @@ final class RoomModel: Model, @unchecked Sendable, Validatable {
       Validator.validate(\.coolingLoad)
         .errorLabel("Cooling Load", inline: true)
 
-      Validator.validate(\.registerCount, with: .greaterThanOrEquals(1))
+      Validator.validate(\.registerCount, with: .greaterThanOrEquals($room.id == nil ? 1 : 0))
         .errorLabel("Register Count", inline: true)
 
       Validator.validate(\.rectangularSizes)
 
     }
   }
+
+  func validateAndSave(on database: Database) async throws {
+    try self.validate()
+    if let delegateTo = $room.id {
+      guard let parent = try await RoomModel.find(delegateTo, on: database) else {
+        throw ValidationError("Can not find room: \(delegateTo), to delegate airflow to.")
+      }
+      guard parent.$room.id == nil else {
+        throw ValidationError(
+          "Can not delegate airflow to a room that also delegates it's own airflow."
+        )
+      }
+    }
+    try await save(on: database)
+  }
 }
 
 extension Room.CoolingLoad: Validatable {

Sources/Styleguide/Select.swift

@@ -59,3 +59,24 @@ extension Select where Element: Identifiable, Element.ID == UUID, Element: Senda
   }
 
 }
+
+extension Select
+where Element: Identifiable, Element.ID == UUID, Element: Sendable, Label == HTMLText {
+
+  public init(
+    _ items: [Element],
+    label keyPath: KeyPath<Element, String>,
+    placeholder: String? = nil,
+    selected: @escaping @Sendable (Element) -> Bool = { _ in false }
+  ) {
+    self.init(
+      items,
+      placeholder: placeholder,
+      value: { $0.id.uuidString },
+      selected: selected,
+      label: { HTMLText($0[keyPath: keyPath]) }
+    )
+
+  }
+
+}

Sources/ViewController/Views/Rooms/RoomForm.swift

@@ -30,13 +30,17 @@ struct RoomForm: HTML, Sendable {
     self.room = room
   }
 
-  var route: String {
+  private var route: String {
     SiteRoute.View.router.path(
       for: .project(.detail(projectID, .rooms(.index)))
     )
     .appendingPath(room?.id)
   }
 
+  private var selectableRooms: [Room] {
+    rooms.filter { $0.delegatedTo == nil }
+  }
+
   var body: some HTML {
     ModalForm(id: Self.id(room), dismiss: dismiss) {
       h1(.class("text-3xl font-bold pb-6")) { "Room" }
@@ -104,28 +108,15 @@ struct RoomForm: HTML, Sendable {
           .id("registerCount")
         )
 
-        label(.class("select w-full"), .id("delegateToSelect")) {
+        label(.class("select w-full")) {
           span(.class("label")) { "Room" }
-          Select(rooms, placeholder: "Delegate Airflow") {
-            $0.name
-          }
-          .attributes(.name("delegatedTo"))
+          Select(selectableRooms, label: \.name, placeholder: "Delegate Airflow")
+            .attributes(.name("delegatedTo"))
         }
+
         SubmitButton()
           .attributes(.class("btn-block"))
       }
     }
-
-    script {
-      """
-      function myClick() {
-        console.log('clicked');
-        const simple = document.getElementById('simple');
-        console.log(simple.style.display);
-        simple.style.display = 'block';
-        console.log(simple.style.display);
-      }
-      """
-    }
   }
 }

Sources/ViewController/Views/Rooms/RoomsView.swift

@@ -17,11 +17,6 @@ struct RoomsView: HTML, Sendable {
 
   var body: some HTML {
     div(.class("flex w-full flex-col")) {
-      input(.type(.checkbox), .name("delegateToCheckbox"), .on(.click, "showElement('simple');"))
-      div(.style("display: none;"), .id("simple"), .class("hidden")) {
-        "This is hidden"
-      }
-
       PageTitleRow {
         div(.class("flex grid grid-cols-3 w-full gap-y-4")) {
 
@@ -107,6 +102,11 @@ struct RoomsView: HTML, Sendable {
                 "Register Count"
               }
             }
+            th {
+              div(.class("flex justify-center")) {
+                "Delegated To"
+              }
+            }
             th {
               div(.class("flex justify-end me-2 space-x-4")) {
 
@@ -151,10 +151,11 @@ struct RoomsView: HTML, Sendable {
 
     var coolingSensible: Double {
       try! room.coolingLoad.ensured(shr: shr).sensible
-      // guard let value = room.coolingSensible else {
-      //   return room.coolingTotal * shr
-      // }
-      // return value
+    }
+
+    var delegatedToRoomName: String? {
+      guard let delegatedToID = room.delegatedTo else { return nil }
+      return rooms.first(where: { $0.id == delegatedToID })?.name
     }
 
     init(room: Room, shr: Double?, rooms: [Room]) {
@@ -186,7 +187,14 @@ struct RoomsView: HTML, Sendable {
         }
         td {
           div(.class("flex justify-center")) {
-            Number(room.registerCount)
+            Number(delegatedToRoomName != nil ? 0 : room.registerCount)
+          }
+        }
+        td {
+          if let name = delegatedToRoomName {
+            div(.class("flex justify-center")) {
+              name
+            }
           }
         }
         td {