feat: add restore and delete actions

Memola/Features/Dashboard/Dashboard/DashboardView.swift

@@ -10,6 +10,7 @@ import SwiftUI
 struct DashboardView: View {
     @Environment(\.horizontalSizeClass) var horizontalSizeClass
 
+    @State var memo: MemoObject?
     @State var sidebarItem: SidebarItem? = .memos
 
     var body: some View {
@@ -18,12 +19,21 @@ struct DashboardView: View {
         } detail: {
             switch sidebarItem {
             case .memos:
-                MemosView()
+                MemosView(memo: $memo)
             case .trash:
-                TrashView()
+                TrashView(memo: $memo, sidebarItem: $sidebarItem)
             default:
-                MemosView()
+                MemosView(memo: $memo)
             }
         }
+        .fullScreenCover(item: $memo) { memo in
+            MemoView(memo: memo)
+                .onDisappear {
+                    withPersistence(\.viewContext) { context in
+                        try context.saveIfNeeded()
+                        context.refreshAllObjects()
+                    }
+                }
+        }
     }
 }

Memola/Features/Dashboard/Details/Memos/MemosView.swift

@@ -12,10 +12,11 @@ struct MemosView: View {
 
     @FetchRequest var memoObjects: FetchedResults<MemoObject>
 
-    @State var memo: MemoObject?
     @State var query: String = ""
     @State var currentDate: Date = .now
 
+    @Binding var memo: MemoObject?
+
     @AppStorage("memola.memo-objects.memos.sort") var sort: Sort = .recent
     @AppStorage("memola.memo-objects.memos.filter") var filter: Filter = .none
 
@@ -25,7 +26,8 @@ struct MemosView: View {
         query.isEmpty ? .memoEmpty : .memoNotFound
     }
 
-    init() {
+    init(memo: Binding<MemoObject?>) {
+        _memo = memo
         let standard = UserDefaults.standard
         var descriptors: [SortDescriptor<MemoObject>] = []
         var predicates: [NSPredicate] = [NSPredicate(format: "isTrash = NO")]
@@ -115,15 +117,6 @@ struct MemosView: View {
                     }
                 }
             }
-            .fullScreenCover(item: $memo) { memo in
-                MemoView(memo: memo)
-                    .onDisappear {
-                        withPersistence(\.viewContext) { context in
-                            try context.saveIfNeeded()
-                            context.refreshAllObjects()
-                        }
-                    }
-            }
             .onChange(of: sort) { oldValue, newValue in
                 memoObjects.sortDescriptors = newValue.memoSortDescriptors
             }

Memola/Features/Dashboard/Details/Trash/TrashView.swift

@@ -13,18 +13,35 @@ struct TrashView: View {
     @FetchRequest var memoObjects: FetchedResults<MemoObject>
 
     @State var query: String = ""
+    @State var restoredMemo: MemoObject?
+    @State var deletedMemo: MemoObject?
+
+    @Binding var memo: MemoObject?
+    @Binding var sidebarItem: SidebarItem?
 
     var placeholder: Placeholder.Info {
         query.isEmpty ? .trashEmpty : .trashNotFound
     }
 
-    init() {
+    init(memo: Binding<MemoObject?>, sidebarItem: Binding<SidebarItem?>) {
+        _memo = memo
+        _sidebarItem = sidebarItem
         let descriptors = [SortDescriptor(\MemoObject.deletedAt, order: .reverse)]
         let predicate = NSPredicate(format: "isTrash = YES")
         _memoObjects = FetchRequest(sortDescriptors: descriptors, predicate: predicate)
     }
 
     var body: some View {
+        let restoresMemo = Binding<Bool> {
+            restoredMemo != nil
+        } set: { _ in
+            restoredMemo = nil
+        }
+        let deletesMemo = Binding<Bool> {
+            deletedMemo != nil
+        } set: { _ in
+            deletedMemo = nil
+        }
         MemoGrid(memoObjects: memoObjects, placeholder: placeholder) { memoObject in
                 memoCard(memoObject)
             }
@@ -48,6 +65,31 @@ struct TrashView: View {
             .onChange(of: query) { oldValue, newValue in
                 updatePredicate()
             }
+            .alert("Restore Memo", isPresented: restoresMemo) {
+                Button {
+                    restoreMemo(for: restoredMemo)
+                } label: {
+                    Text("Restore")
+                }
+                Button {
+                    restoreAndOpenMemo(for: restoredMemo)
+                } label: {
+                    Text("Restore and Open")
+                }
+                Button("Cancel", role: .cancel) { }
+            } message: {
+                Text("Would you like to restore this memo or restore and open it?")
+            }
+            .alert("Delete Memo Permanently", isPresented: deletesMemo) {
+                Button(role: .destructive) {
+                    deleteMemo(for: deletedMemo)
+                } label: {
+                    Text("Delete")
+                }
+                Button("Cancel", role: .cancel) { }
+            } message: {
+                Text("Are you sure you want to permanently delete this memo? This action cannot be undone.")
+            }
     }
 
     func memoCard(_ memoObject: MemoObject) -> some View {
@@ -55,23 +97,25 @@ struct TrashView: View {
             card
                 .contextMenu {
                     Button {
-
+                        restoreMemo(for: memoObject)
                     } label: {
                         Label("Restore", systemImage: "square.and.arrow.down")
                     }
                     Button(role: .destructive) {
-
+                        deletedMemo = memoObject
                     } label: {
                         Label("Delete Permanently", systemImage: "trash")
                     }
                 }
         } details: {
-            Text("Deleted on \(memoObject.deletedAt.formatted(date: .abbreviated, time: .standard))")
-                .font(.caption)
-                .foregroundStyle(.secondary)
+            if let deletedAt = memoObject.deletedAt {
+                Text("Deleted on \(deletedAt.formatted(date: .abbreviated, time: .standard))")
+                    .font(.caption)
+                    .foregroundStyle(.secondary)
+            }
         }
         .onTapGesture {
-
+            restoredMemo = memoObject
         }
     }
 
@@ -82,4 +126,27 @@ struct TrashView: View {
         }
         memoObjects.nsPredicate = NSCompoundPredicate(type: .and, subpredicates: predicates)
     }
+
+    func restoreMemo(for memo: MemoObject?) {
+        guard let memo else { return }
+        memo.isTrash = false
+        memo.deletedAt = nil
+        withPersistence(\.viewContext) { context in
+            try context.saveIfNeeded()
+        }
+    }
+
+    func restoreAndOpenMemo(for memo: MemoObject?) {
+        restoreMemo(for: memo)
+        self.sidebarItem = .memos
+        self.memo = memo
+    }
+
+    func deleteMemo(for memo: MemoObject?) {
+        guard let memo else { return }
+        withPersistenceSync(\.viewContext) { context in
+            context.delete(memo)
+            try context.saveIfNeeded()
+        }
+    }
 }

Memola/Persistence/Objects/MemoObject.swift

@@ -14,7 +14,7 @@ final class MemoObject: NSManagedObject, Identifiable {
     @NSManaged var title: String
     @NSManaged var createdAt: Date
     @NSManaged var updatedAt: Date
-    @NSManaged var deletedAt: Date
+    @NSManaged var deletedAt: Date?
     @NSManaged var isFavorite: Bool
     @NSManaged var isTrash: Bool
     @NSManaged var tool: ToolObject