Improve saving, show start time

CHDataManagement/Main/MainView.swift

@@ -244,6 +244,8 @@ struct MainView: App {
             showInitialSheet()
         case .isSaved, .needsSave:
             content.saveUnconditionally()
+        case .isSaving:
+            break
         case .failedToSave, .savingPausedDueToLoadErrors:
             showStorageErrorSheet = true
         }

CHDataManagement/Model/Content+Save.swift

@@ -6,7 +6,7 @@ extension Content {
         setModificationTimestamp()
 
         if saveState == .isSaved {
-            update(saveState: saveState)
+            update(saveState: .needsSave)
         }
         // Wait a few seconds for a save, to allow additional changes
         // Reduces the number of saves
@@ -17,18 +17,16 @@ extension Content {
 
     func saveIfNeeded() {
         switch saveState {
-        case .isSaved, .savingPausedDueToLoadErrors, .storageNotInitialized:
+        case .isSaved, .savingPausedDueToLoadErrors, .storageNotInitialized, .isSaving:
             return
-        default:
+        case .needsSave, .failedToSave:
             break
         }
-
         if Date.now.timeIntervalSince(lastModification) < 5 {
             // Additional modification made
             // Wait for next scheduled invocation of saveIfNeeded()
             // if the overall unsaved time is not too long
             if Date.now.timeIntervalSince(lastSave) < 30 {
-                //print("Waiting while modifying")
                 return
             }
             print("Saving after 30 seconds of modifications")
@@ -37,6 +35,7 @@ extension Content {
     }
 
     func saveUnconditionally() {
+        update(saveState: .isSaving)
         guard saveToDisk() else {
             update(saveState: .failedToSave)
             // TODO: Try to save again

CHDataManagement/Model/Content.swift

@@ -184,9 +184,7 @@ final class Content: ObservableObject {
     private(set) var lastModification: Date = .now
 
     func update(saveState: SaveState) {
-        DispatchQueue.main.async {
+        self.saveState = saveState
-            self.saveState = saveState
-        }
     }
 
     func setModificationTimestamp() {

CHDataManagement/Storage/SaveState.swift

@@ -7,6 +7,7 @@ enum SaveState {
     case isSaved
     case needsSave
     case failedToSave
+    case isSaving
 
     var symbol: SFSymbol {
         switch self {
@@ -20,6 +21,8 @@ enum SaveState {
             return .hourglassCircleFill
         case .failedToSave:
             return .exclamationmarkTriangleFill
+        case .isSaving:
+            return .hourglassCircleFill
         }
     }
 
@@ -27,7 +30,7 @@ enum SaveState {
         switch self {
         case .storageNotInitialized:
             return .red
-        case .isSaved:
+        case .isSaved, .isSaving:
             return .green
         case .needsSave:
             return .yellow

CHDataManagement/Views/Generic/DatePropertyView.swift

@@ -13,7 +13,7 @@ struct DatePropertyView: View {
         VStack(alignment: .leading) {
             Text(title)
                 .font(.headline)
-            DatePicker("", selection: $value, displayedComponents: .date)
+            DatePicker("", selection: $value, displayedComponents: [.date, .hourAndMinute])
                 .datePickerStyle(.compact)
             Text(footer)
                 .foregroundStyle(.secondary)