feat: add extended fields (notes, deadline, priority) to todo editor

MindDump/Models/Priority.swift

@@ -0,0 +1,23 @@
+import SwiftUI
+
+enum Priority: Int, CaseIterable {
+    case low = 0
+    case medium = 1
+    case high = 2
+
+    var label: String {
+        switch self {
+        case .low: "Niedrig"
+        case .medium: "Mittel"
+        case .high: "Hoch"
+        }
+    }
+
+    var color: Color {
+        switch self {
+        case .low: .green
+        case .medium: .yellow
+        case .high: .red
+        }
+    }
+}

MindDump/Models/TodoItem.swift

@@ -5,11 +5,28 @@ struct TodoItem: Identifiable {
     var title: String
     var isCompleted: Bool
     let createdAt: Date
+    var notes: String?
+    var deadline: Date?
+    var priority: Priority?
+    var modifiedAt: Date?
 
-    init(id: UUID = UUID(), title: String, isCompleted: Bool = false, createdAt: Date = Date()) {
+    init(
+        id: UUID = UUID(),
+        title: String,
+        isCompleted: Bool = false,
+        createdAt: Date = Date(),
+        notes: String? = nil,
+        deadline: Date? = nil,
+        priority: Priority? = nil,
+        modifiedAt: Date? = nil
+    ) {
         self.id = id
         self.title = title
         self.isCompleted = isCompleted
         self.createdAt = createdAt
+        self.notes = notes
+        self.deadline = deadline
+        self.priority = priority
+        self.modifiedAt = modifiedAt
     }
 }

MindDump/ViewModels/ListStore.swift

@@ -23,9 +23,15 @@ class ListStore {
         lists.removeAll { $0.id == list.id }
     }
 
-    func addItem(to listID: UUID, title: String) {
+    func addItem(
+        to listID: UUID,
+        title: String,
+        notes: String? = nil,
+        deadline: Date? = nil,
+        priority: Priority? = nil
+    ) {
         guard let index = lists.firstIndex(where: { $0.id == listID }) else { return }
-        let item = TodoItem(title: title)
+        let item = TodoItem(title: title, notes: notes, deadline: deadline, priority: priority)
         lists[index].items.append(item)
     }
 
@@ -34,15 +40,31 @@ class ListStore {
         lists[listIndex].items.removeAll { $0.id == itemID }
     }
 
-    func updateItem(_ itemID: UUID, in listID: UUID, title: String) {
+    func updateItem(
+        _ itemID: UUID,
+        in listID: UUID,
+        title: String,
+        notes: String? = nil,
+        deadline: Date? = nil,
+        priority: Priority? = nil,
+        isCompleted: Bool? = nil
+    ) {
         guard let listIndex = lists.firstIndex(where: { $0.id == listID }),
               let itemIndex = lists[listIndex].items.firstIndex(where: { $0.id == itemID }) else { return }
         lists[listIndex].items[itemIndex].title = title
+        lists[listIndex].items[itemIndex].notes = notes
+        lists[listIndex].items[itemIndex].deadline = deadline
+        lists[listIndex].items[itemIndex].priority = priority
+        if let isCompleted {
+            lists[listIndex].items[itemIndex].isCompleted = isCompleted
+        }
+        lists[listIndex].items[itemIndex].modifiedAt = Date()
     }
 
     func toggleItemCompleted(_ itemID: UUID, in listID: UUID) {
         guard let listIndex = lists.firstIndex(where: { $0.id == listID }),
               let itemIndex = lists[listIndex].items.firstIndex(where: { $0.id == itemID }) else { return }
         lists[listIndex].items[itemIndex].isCompleted.toggle()
+        lists[listIndex].items[itemIndex].modifiedAt = Date()
     }
 }

MindDump/Views/TodoEditorView.swift

@@ -8,15 +8,93 @@ struct TodoEditorView: View {
     var item: TodoItem?
 
     @State private var title: String = ""
+    @State private var notes: String = ""
+    @State private var deadline: Date = Date()
+    @State private var priority: Priority = .medium
+
+    @State private var showNotes: Bool = false
+    @State private var showDeadline: Bool = false
+    @State private var showPriority: Bool = false
+
     @FocusState private var titleFocused: Bool
 
     private var isEditing: Bool { item != nil }
 
+    private var hasHiddenFields: Bool {
+        !showNotes || !showDeadline || !showPriority
+    }
+
     var body: some View {
         NavigationStack {
             Form {
-                TextField("Titel", text: $title)
-                    .focused($titleFocused)
+                // Titel
+                Section {
+                    TextField("Titel", text: $title)
+                        .focused($titleFocused)
+                }
+
+                // Notiz
+                if showNotes {
+                    Section {
+                        TextField("Notiz hinzufügen...", text: $notes, axis: .vertical)
+                            .lineLimit(3...6)
+                    } header: {
+                        sectionHeader("Notiz", show: $showNotes)
+                    }
+                }
+
+                // Deadline
+                if showDeadline {
+                    Section {
+                        DatePicker("Fällig am", selection: $deadline, displayedComponents: [.date, .hourAndMinute])
+                    } header: {
+                        sectionHeader("Deadline", show: $showDeadline)
+                    }
+                }
+
+                // Prioritaet
+                if showPriority {
+                    Section {
+                        Picker("Priorität", selection: $priority) {
+                            ForEach(Priority.allCases, id: \.self) { p in
+                                Label(p.label, systemImage: "circle.fill")
+                                    .foregroundStyle(p.color)
+                                    .tag(p)
+                            }
+                        }
+                    } header: {
+                        sectionHeader("Priorität", show: $showPriority)
+                    }
+                }
+
+                // Hinzufuegen
+                if hasHiddenFields {
+                    Section {
+                        if !showNotes {
+                            addFieldButton("Notiz", systemImage: "note.text") { showNotes = true }
+                        }
+                        if !showDeadline {
+                            addFieldButton("Deadline", systemImage: "calendar") { showDeadline = true }
+                        }
+                        if !showPriority {
+                            addFieldButton("Priorität", systemImage: "flag") { showPriority = true }
+                        }
+                    } header: {
+                        Text("Hinzufügen")
+                    }
+                }
+
+                // Meta
+                if isEditing, let item {
+                    Section {
+                        LabeledContent("Erstellt am", value: item.createdAt.formatted(date: .abbreviated, time: .shortened))
+                        if let modifiedAt = item.modifiedAt {
+                            LabeledContent("Geändert am", value: modifiedAt.formatted(date: .abbreviated, time: .shortened))
+                        }
+                    } header: {
+                        Text("Info")
+                    }
+                }
             }
             .navigationTitle(isEditing ? "Bearbeiten" : "Neuer Eintrag")
             .navigationBarTitleDisplayMode(.inline)
@@ -32,20 +110,76 @@ struct TodoEditorView: View {
             .onAppear {
                 if let item {
                     title = item.title
+
+                    if let n = item.notes, !n.isEmpty {
+                        notes = n
+                        showNotes = true
+                    }
+                    if let d = item.deadline {
+                        deadline = d
+                        showDeadline = true
+                    }
+                    if let p = item.priority {
+                        priority = p
+                        showPriority = true
+                    }
                 }
                 titleFocused = true
             }
         }
     }
 
+    // Helpers
+
+    private func sectionHeader(_ label: String, show: Binding<Bool>) -> some View {
+        HStack {
+            Text(label)
+            Spacer()
+            Button {
+                withAnimation { show.wrappedValue = false }
+            } label: {
+                Image(systemName: "xmark.circle.fill")
+                    .foregroundStyle(.secondary)
+            }
+        }
+    }
+
+    private func addFieldButton(_ label: String, systemImage: String, action: @escaping () -> Void) -> some View {
+        Button {
+            withAnimation { action() }
+        } label: {
+            Label(label, systemImage: systemImage)
+                .font(.callout)
+        }
+    }
+
     private func save() {
         let trimmed = title.trimmingCharacters(in: .whitespaces)
         guard !trimmed.isEmpty else { return }
 
+        let finalNotes: String? = showNotes && !notes.trimmingCharacters(in: .whitespaces).isEmpty
+            ? notes.trimmingCharacters(in: .whitespaces)
+            : nil
+        let finalDeadline: Date? = showDeadline ? deadline : nil
+        let finalPriority: Priority? = showPriority ? priority : nil
+
         if let item {
-            store.updateItem(item.id, in: listID, title: trimmed)
+            store.updateItem(
+                item.id,
+                in: listID,
+                title: trimmed,
+                notes: finalNotes,
+                deadline: finalDeadline,
+                priority: finalPriority
+            )
         } else {
-            store.addItem(to: listID, title: trimmed)
+            store.addItem(
+                to: listID,
+                title: trimmed,
+                notes: finalNotes,
+                deadline: finalDeadline,
+                priority: finalPriority
+            )
         }
         dismiss()
     }

MindDump/Views/TodoRowView.swift

@@ -15,13 +15,35 @@ struct TodoRowView: View {
             .buttonStyle(.borderless)
 
             Button(action: { onTap?() }) {
-                Text(item.title)
-                    .strikethrough(item.isCompleted)
-                    .foregroundStyle(item.isCompleted ? .secondary : .primary)
-                    .frame(maxWidth: .infinity, alignment: .leading)
-                    .contentShape(Rectangle())
+                VStack(alignment: .leading, spacing: 2) {
+                    Text(item.title)
+                        .strikethrough(item.isCompleted)
+                        .foregroundStyle(item.isCompleted ? .secondary : .primary)
+
+                    if let notes = item.notes, !notes.isEmpty {
+                        Text(noteSnippet(notes))
+                            .font(.caption)
+                            .foregroundStyle(.secondary)
+                            .lineLimit(1)
+                    }
+                }
+                .frame(maxWidth: .infinity, alignment: .leading)
+                .contentShape(Rectangle())
             }
             .buttonStyle(.plain)
+
+            if let priority = item.priority {
+                Image(systemName: "circle.fill")
+                    .font(.system(size: 8))
+                    .foregroundStyle(priority.color)
+            }
         }
     }
+
+    private func noteSnippet(_ text: String) -> String {
+        if text.count > 50 {
+            return String(text.prefix(50)) + "..."
+        }
+        return text
+    }
 }