feat: Updates to home / landing page.

Sources/ProjectClient/Internal/TrunkSize+loads.swift

@@ -0,0 +1,34 @@
+import Foundation
+import ManualDCore
+
+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
+  }
+
+  public var totalHeatingLoad: Double {
+    room.heatingLoadPerRegister() * Double(actualRegisterCount)
+  }
+
+  public func totalCoolingSensible(projectSHR: Double) throws -> Double {
+    try room.coolingSensiblePerRegister(projectSHR: projectSHR) * Double(actualRegisterCount)
+  }
+}
+
+extension TrunkSize {
+
+  public var totalHeatingLoad: Double {
+    rooms.reduce(into: 0) { $0 += $1.totalHeatingLoad }
+  }
+
+  public func totalCoolingSensible(projectSHR: Double) throws -> Double {
+    try rooms.reduce(into: 0) { $0 += try $1.totalCoolingSensible(projectSHR: projectSHR) }
+  }
+}