Group tasks feature (#3)

This PR contains the work done to implement the **Group Task** feature, and to integrate it into the main content view of the app. Furthermore, an issue related to triggering a view update after inserting the todo tasks into the model container has been fixed. Reviewed-on: rock-n-code/todos-app#3 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
2026-02-10 02:22:41 +00:00
parent 5506471fe0
commit 0b8e5d8bd0
16 changed files with 806 additions and 9 deletions
@@ -0,0 +1,77 @@
+import SwiftData
+import SwiftUI
+
+/// A view that displays todo tasks grouped by date and completion categories.
+///
+/// This view serves as the main interface for browsing tasks organized into four groups:
+/// - **Today**: Tasks due today that are not yet completed
+/// - **Upcoming**: Tasks due in the future that are not yet completed
+/// - **Overdue**: Tasks due in the past that are not yet completed
+/// - **Completed**: Tasks that have been marked as done
+struct TaskGroupListView: View {
+
+    // MARK: Properties
+
+    /// Query to monitor all todo tasks for changes.
+    ///
+    /// This query triggers view updates whenever todo tasks are inserted, updated, or deleted,
+    /// ensuring the task counts displayed in the view remain accurate.
+    @Query
+    private var tasks: [Todo]
+
+    /// The view model managing the state and logic for this view.
+    ///
+    /// Handles task counting and provides access to all task groups.
+    /// Initialized with the default calendar for date calculations.
+    @State
+    private var viewModel = ViewModel()
+
+    // MARK: Body
+
+    /// The content and behavior of the view.
+    ///
+    /// Displays a scrollable vertical list of task group cards. Each card shows:
+    /// - The group's icon in its associated color
+    /// - The group's title
+    /// - The current count of tasks in that group
+    ///
+    /// Cards are tappable and navigate to a detailed task list for the selected group.
+    /// Task counts are fetched on-demand from the model context for each render.
+    var body: some View {
+        ScrollView {
+            VStack(spacing: 16) {
+                ForEach(viewModel.groups) { group in
+                    NavigationLink(destination: TaskListView(group: group)) {
+                        Card(
+                            group: group,
+                            count: viewModel.count(tasks, for: group)
+                        )
+                    }
+                    .buttonStyle(.plain)
+                }
+            }
+            .padding(.horizontal)
+        }
+        .navigationTitle("view.task-group-list.navigation.title")
+    }
+}
+
+// MARK: - Previews
+
+#Preview(
+    "Task group list with empty tasks",
+    traits: .emptyContainer
+) {
+    NavigationStack {
+        TaskGroupListView()
+    }
+}
+
+#Preview(
+    "Task group list with sample tasks",
+    traits: .sampleTasks
+) {
+    NavigationStack {
+        TaskGroupListView()
+    }
+}