App/Sources/Extensions/ModelContext+Conformances.swift

@@ -1,8 +1,12 @@
 import SwiftData
 
-/// Extends ModelContext to conform to the Repository protocol.
+/// Extends ModelContext to conform to the TodoRepository protocol.
 ///
-/// This extension allows ModelContext from SwiftData to be used as a repository,
+/// This extension allows ModelContext from SwiftData to be used as a todo repository,
 /// enabling dependency injection and facilitating unit testing by allowing mock
 /// repositories to be substituted during tests.
-extension ModelContext: Repository {}
+///
+/// The ModelContext methods `delete(_:)` and `insert(_:)` already match the
+/// TodoRepository protocol requirements, so this extension simply declares conformance
+/// without requiring additional implementation.
+extension ModelContext: TodoRepository {}

App/Sources/Protocols/Repository.swift

@@ -1,28 +0,0 @@
-import SwiftData
-
-/// A protocol defining the interface for a data repository.
-///
-/// This protocol abstracts the underlying data persistence mechanism, allowing for
-/// dependency injection and easier testing. Implementations handle the storage and
-/// retrieval of model objects.
-protocol Repository {
-
-    /// Deletes a model object from the repository.
-    ///
-    /// This method removes the specified object from persistent storage. The deletion
-    /// is typically performed immediately, though the actual persistence may be deferred
-    /// until a save operation occurs depending on the implementation.
-    ///
-    /// - Parameter model: The model object to delete from the repository.
-    func delete(_ model: some PersistentModel)
-
-    /// Inserts a new model object into the repository.
-    ///
-    /// This method adds a new object to persistent storage. The object is typically
-    /// tracked immediately, though the actual persistence may be deferred until a
-    /// save operation occurs depending on the implementation.
-    ///
-    /// - Parameter model: The model object to insert into the repository.
-    func insert(_ model: some PersistentModel)
-
-}

App/Sources/Protocols/TodoRepository.swift

@@ -0,0 +1,28 @@
+import SwiftData
+
+/// A protocol defining the interface for a todo repository.
+///
+/// This protocol abstracts the underlying data persistence mechanism for todo tasks,
+/// allowing for dependency injection and easier testing. Implementations handle the
+/// storage and retrieval of Todo objects.
+protocol TodoRepository {
+
+    /// Deletes a todo task from the repository.
+    ///
+    /// This method removes the specified todo from persistent storage. The deletion
+    /// is typically performed immediately, though the actual persistence may be deferred
+    /// until a save operation occurs depending on the implementation.
+    ///
+    /// - Parameter todo: The todo task to delete from the repository.
+    func delete(_ todo: Todo)
+
+    /// Inserts a new todo task into the repository.
+    ///
+    /// This method adds a new todo to persistent storage. The todo is typically
+    /// tracked immediately, though the actual persistence may be deferred until a
+    /// save operation occurs depending on the implementation.
+    ///
+    /// - Parameter todo: The todo task to insert into the repository.
+    func insert(_ todo: Todo)
+
+}

App/Sources/View Models/NewTaskViewModel.swift

@@ -64,7 +64,7 @@ extension NewTaskView {
         /// The `note` property value is only included if it's not empty after trimming.
         ///
         /// - Parameter repository: The repository to insert a new todo task.
-        func save(to repository: Repository) {
+        func save(to repository: TodoRepository) {
             let trimmedTitle = title.trimmingCharacters(in: .whitespacesAndNewlines)
             let trimmedNote = note.trimmingCharacters(in: .whitespacesAndNewlines)
 

App/Sources/View Models/TaskListViewModel.swift

@@ -98,7 +98,7 @@ extension TaskListView {
         func delete(
             _ tasks: [Todo],
             at offsets: IndexSet,
-            from repository: Repository
+            from repository: TodoRepository
         ) {
             for index in offsets {
                 repository.delete(tasks[index])