Add error handling to Mac app

Shared/WriteFreely_MultiPlatformApp.swift

@@ -115,6 +115,7 @@ struct WriteFreely_MultiPlatformApp: App {
                     }
                     .tag(2)
             }
+            .withErrorHandling()
             .frame(minWidth: 500, maxWidth: 500, minHeight: 200)
             .padding()
 //            .preferredColorScheme(preferences.selectedColorScheme)    // See PreferencesModel for info.

macOS/PostEditor/PostEditorView.swift

@@ -2,6 +2,7 @@ import SwiftUI
 
 struct PostEditorView: View {
     @EnvironmentObject var model: WriteFreelyModel
+    @EnvironmentObject var errorHandling: ErrorHandling
 
     @ObservedObject var post: WFAPost
     @State private var isHovering: Bool = false
@@ -38,6 +39,16 @@ struct PostEditorView: View {
                 LocalStorageManager.standard.saveContext()
             }
         })
+        .onChange(of: model.hasError) { value in
+            if value {
+                if let error = model.currentError {
+                    self.errorHandling.handle(error: error)
+                } else {
+                    self.errorHandling.handle(error: AppError.genericError())
+                }
+                model.hasError = false
+            }
+        }
         .onDisappear(perform: {
             DispatchQueue.main.async {
                 model.editor.clearLastDraft()

macOS/Settings/MacAccountView.swift

@@ -2,11 +2,22 @@ import SwiftUI
 
 struct MacAccountView: View {
     @EnvironmentObject var model: WriteFreelyModel
+    @EnvironmentObject var errorHandling: ErrorHandling
 
     var body: some View {
-            Form {
+        Form {
-                    AccountView()
+            AccountView()
+        }
+        .onChange(of: model.hasError) { value in
+            if value {
+                if let error = model.currentError {
+                    self.errorHandling.handle(error: error)
+                } else {
+                    self.errorHandling.handle(error: AppError.genericError())
+                }
+                model.hasError = false
             }
+        }
     }
 }
 

macOS/Settings/MacPreferencesView.swift

@@ -1,6 +1,9 @@
 import SwiftUI
 
 struct MacPreferencesView: View {
+    @EnvironmentObject var model: WriteFreelyModel
+    @EnvironmentObject var errorHandling: ErrorHandling
+
     @ObservedObject var preferences: PreferencesModel
 
     var body: some View {
@@ -8,6 +11,16 @@ struct MacPreferencesView: View {
             PreferencesView(preferences: preferences)
             Spacer()
         }
+        .onChange(of: model.hasError) { value in
+            if value {
+                if let error = model.currentError {
+                    self.errorHandling.handle(error: error)
+                } else {
+                    self.errorHandling.handle(error: AppError.genericError())
+                }
+                model.hasError = false
+            }
+        }
     }
 }
 

macOS/Settings/MacUpdatesView.swift

@@ -2,6 +2,9 @@ import SwiftUI
 import Sparkle
 
 struct MacUpdatesView: View {
+    @EnvironmentObject var model: WriteFreelyModel
+    @EnvironmentObject var errorHandling: ErrorHandling
+
     @ObservedObject var updaterViewModel: MacUpdatesViewModel
 
     @AppStorage(WFDefaults.automaticallyChecksForUpdates, store: UserDefaults.shared)
@@ -81,6 +84,16 @@ that can cause crashes and data loss.
         .onChange(of: subscribeToBetaUpdates) { _ in
             updaterViewModel.toggleAllowedChannels()
         }
+        .onChange(of: model.hasError) { value in
+            if value {
+                if let error = model.currentError {
+                    self.errorHandling.handle(error: error)
+                } else {
+                    self.errorHandling.handle(error: AppError.genericError())
+                }
+                model.hasError = false
+            }
+        }
     }
 }