🐛 Fix #6 : Make cancelling make more sense

Graduator/Graduator/Data/UnitsStore.swift

@@ -16,7 +16,7 @@ class UnitsStore: ObservableObject {
             in: .userDomainMask,
             appropriateFor: nil,
             create: false
-        ).appendingPathComponent("my.data")
+        ).appendingPathComponent("my.local.data")
     }
     
     func load<T: Codable>(defaultValue: [T]) async throws -> [T] {

Graduator/Graduator/View/Cells/SubjectViewCell.swift

@@ -17,9 +17,6 @@ struct SubjectViewCell: View {
     var body: some View {
         HStack {
             VStack {
-                // FIXME (later, maybe) when getting updated from the UnitView, these two changes are persisted right away instead of waiting for user
-                // to confirm changes. They just don't get brought into the main UnitsManager, so the average is not recalculated when a unit's weight changes
-                // when 'cancel' is hit, it would be nice to reset these two values as well, like a user might expect
                 HStack {
                     TextField("", text: $subjectVM.model.name)
                         .disabled(!unitsManagerVM.isAllEditable)

Graduator/Graduator/View/Views/UnitView.swift

@@ -15,6 +15,8 @@ struct UnitView: View {
     @State private var showingForm: Bool = false
     var formVM = SubjectFormVM()
     
+    // TODO maybe later: when a subject is deleted this way, if the user clicks on 'Annuler', the deletion should be cancelled
+    // then update the readme accrodingly
     private func delete(at offsets: IndexSet) {
         guard let index = offsets.first else { return }
         let subjectVMToDelete = unitVM.SubjectsVM[index]
@@ -75,9 +77,15 @@ struct UnitView: View {
                     Button(action: { showingForm = true }) {
                         Image(systemName: "plus")
                     }
+                    // FIXME this does cancel the changes made **to unit and subject** names and weights,
+                    // but whereas names visibly revert instantaneously to old values, like we should expect,
+                    // weights are displayed as new, cancelled values until user clicks on 'Modifier' again, when it finally takes on the true, old, value
+                    // ... weights should visibly revert instantaneously to old values
                     Button(action: {
+                        unitVM.isEdited = false
                         unitsManagerVM.isAllEditable.toggle()
                         unitVM.onEdited(isCancelled: true)
+                        unitVM.SubjectsVM.forEach { $0.onEdited(isCancelled: true) }
                     }) {
                         Text("Annuler")
                     }
@@ -137,6 +145,7 @@ struct UnitView: View {
         // If user navigates back while editing but before clicking 'OK', the changes are cancelled
         .onDisappear(perform: {
             if unitsManagerVM.isAllEditable {
+                unitVM.isEdited = false
                 unitVM.onEdited(isCancelled: true)
                 unitsManagerVM.isAllEditable = false
             }

Graduator/Graduator/ViewModel/UnitsManagerVM.swift

@@ -44,7 +44,6 @@ class UnitsManagerVM : ObservableObject {
     
     private var original: UnitsManager
     @Published var model: UnitsManager.Data
-    @Published var isEdited: Bool = false
     @Published var isAllEditable: Bool = false
     
     private var unitsVM: [UnitVM]