feat: Working on pressure estimations feature, integrating all views and shared settings

Sources/PressureEstimationsFeature/PressureEstimations.swift

@@ -1,9 +1,11 @@
 import ComposableArchitecture
+import DependenciesAdditions
 import SharedModels
 import Styleguide
 import SwiftUI
 import TCAExtras
 
+#warning("Fix shared settings.")
 @Reducer
 public struct PressureEstimationsFeature {
   
@@ -17,17 +19,16 @@ public struct PressureEstimationsFeature {
   @ObservableState
   public struct State: Equatable {
     @Presents public var destination: Destination.State?
+    @Shared(.sharedPressureEstimationSettings) var sharedSettings = SharedPressureEstimationSettings()
     public var equipmentSettings: EquipmentSettingsForm.State
-    public var equipmentMeasurements: EquipmentMeasurementForm.State?
-    
+
     public init(
       destination: Destination.State? = nil,
-      equipmentSettings: EquipmentSettingsForm.State = .init(),
-      equipmentMeasurements: EquipmentMeasurementForm.State? = nil
+      sharedSettings: SharedPressureEstimationSettings = .init()
     ) {
       self.destination = destination
-      self.equipmentSettings = equipmentSettings
-      self.equipmentMeasurements = equipmentMeasurements
+      self._sharedSettings = Shared(sharedSettings)
+      self._equipmentSettings = .init(sharedSettings: self._sharedSettings)
     }
   }
   
@@ -41,7 +42,9 @@ public struct PressureEstimationsFeature {
       case nextButtonTapped
     }
   }
-  
+
+  @Dependency(\.logger["\(Self.self)"]) var logger
+
   public var body: some Reducer<State, Action> {
     Scope(state: \.equipmentSettings, action: \.equipmentSettings) {
       EquipmentSettingsForm()
@@ -57,13 +60,42 @@ public struct PressureEstimationsFeature {
       case let .view(action):
         switch action {
         case .nextButtonTapped:
-          return .none
+          return handleNextButtonTapped(&state)
         }
       }
     }
     .ifLet(\.$destination, action: \.destination)
   }
-  
+
+  private func handleNextButtonTapped(_ state: inout State) -> Effect<Action> {
+    guard state.destination == nil else {
+      return .fail(
+        """
+        Received next button tapped action on equipment settings form, but the destination is not nil.
+
+        This is considered an application logic error.
+        """,
+        logger: logger
+      )
+    }
+    guard state.equipmentSettings.isValid else {
+      return .fail(
+        """
+        Received next button tapped action on equipment settings form, but the form is invalid.
+
+        This is considered an application logic error.
+        """,
+        logger: logger
+      )
+    }
+    state.destination = .equipmentMeasurements(.init(
+      allowEquipmentTypeSelection: false,
+      sharedSettings: state.$sharedSettings,
+      equipmentType: state.equipmentSettings.equipmentType
+    ))
+    return .none
+  }
+
 }
 
 @ViewAction(for: PressureEstimationsFeature.self)
@@ -79,5 +111,30 @@ public struct PressureEstimationsView: View {
     EquipmentSettingsFormView(
       store: store.scope(state: \.equipmentSettings, action: \.equipmentSettings)
     )
+    .navigationTitle("Equipment Settings")
+    .toolbar {
+      NextButton { send(.nextButtonTapped) }
+        .nextButtonStyle(.toolbar)
+        .disabled(!store.equipmentSettings.isValid)
+    }
+    .navigationDestination(
+      item: $store.scope(
+        state: \.destination?.equipmentMeasurements,
+        action: \.destination.equipmentMeasurements
+      )
+    ) { measurementStore in
+      EquipmentMeasurementFormView(store: measurementStore)
+        .navigationTitle("Existing Measurements")
+    }
+  }
+}
+
+#Preview {
+  NavigationStack {
+    PressureEstimationsView(
+      store: Store(initialState: PressureEstimationsFeature.State()) {
+        PressureEstimationsFeature()._printChanges()
+      }
+    )
   }
 }