feat: Implement GetMyShiftsData use case and integrate it into ShiftsBloc for improved shift data handling

apps/mobile/packages/features/staff/shifts/lib/src/domain/models/my_shifts_data.dart

@@ -0,0 +1,23 @@
+import 'package:krow_domain/krow_domain.dart';
+
+/// Combined result from loading all My Shifts tab data sources.
+///
+/// Holds assigned shifts, pending assignments, and cancelled shifts
+/// fetched in parallel from the V2 API.
+class MyShiftsData {
+  /// Creates a [MyShiftsData] instance.
+  const MyShiftsData({
+    required this.assignedShifts,
+    required this.pendingAssignments,
+    required this.cancelledShifts,
+  });
+
+  /// Assigned shifts for the requested date range.
+  final List<AssignedShift> assignedShifts;
+
+  /// Pending assignments awaiting worker acceptance.
+  final List<PendingAssignment> pendingAssignments;
+
+  /// Cancelled shift assignments.
+  final List<CancelledShift> cancelledShifts;
+}

apps/mobile/packages/features/staff/shifts/lib/src/domain/usecases/get_my_shifts_data_usecase.dart

@@ -0,0 +1,40 @@
+import 'package:krow_core/core.dart';
+import 'package:krow_domain/krow_domain.dart';
+
+import 'package:staff_shifts/src/domain/arguments/get_my_shifts_arguments.dart';
+import 'package:staff_shifts/src/domain/models/my_shifts_data.dart';
+import 'package:staff_shifts/src/domain/repositories/shifts_repository_interface.dart';
+
+/// Fetches all data needed for the My Shifts tab in a single call.
+///
+/// Calls [ShiftsRepositoryInterface.getAssignedShifts],
+/// [ShiftsRepositoryInterface.getPendingAssignments], and
+/// [ShiftsRepositoryInterface.getCancelledShifts] in parallel and returns
+/// a unified [MyShiftsData].
+class GetMyShiftsDataUseCase
+    extends UseCase<GetAssignedShiftsArguments, MyShiftsData> {
+  /// Creates a [GetMyShiftsDataUseCase].
+  GetMyShiftsDataUseCase(this._repository);
+
+  /// The shifts repository.
+  final ShiftsRepositoryInterface _repository;
+
+  /// Loads assigned, pending, and cancelled shifts for the given date range.
+  @override
+  Future<MyShiftsData> call(GetAssignedShiftsArguments arguments) async {
+    final List<Object> results = await Future.wait(<Future<Object>>[
+      _repository.getAssignedShifts(
+        start: arguments.start,
+        end: arguments.end,
+      ),
+      _repository.getPendingAssignments(),
+      _repository.getCancelledShifts(),
+    ]);
+
+    return MyShiftsData(
+      assignedShifts: results[0] as List<AssignedShift>,
+      pendingAssignments: results[1] as List<PendingAssignment>,
+      cancelledShifts: results[2] as List<CancelledShift>,
+    );
+  }
+}

apps/mobile/packages/features/staff/shifts/lib/src/presentation/blocs/shifts/shifts_bloc.dart

@@ -8,9 +8,11 @@ import 'package:staff_shifts/src/domain/arguments/get_available_shifts_arguments
 import 'package:staff_shifts/src/domain/arguments/get_my_shifts_arguments.dart';
 import 'package:staff_shifts/src/domain/usecases/accept_shift_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/decline_shift_usecase.dart';
+import 'package:staff_shifts/src/domain/models/my_shifts_data.dart';
 import 'package:staff_shifts/src/domain/usecases/get_available_shifts_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/get_cancelled_shifts_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/get_history_shifts_usecase.dart';
+import 'package:staff_shifts/src/domain/usecases/get_my_shifts_data_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/get_my_shifts_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/get_pending_assignments_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/get_profile_completion_usecase.dart';
@@ -34,6 +36,7 @@ class ShiftsBloc extends Bloc<ShiftsEvent, ShiftsState>
     required this.acceptShift,
     required this.declineShift,
     required this.submitForApproval,
+    required this.getMyShiftsData,
   }) : super(const ShiftsState()) {
     on<LoadShiftsEvent>(_onLoadShifts);
     on<LoadHistoryShiftsEvent>(_onLoadHistoryShifts);
@@ -74,6 +77,9 @@ class ShiftsBloc extends Bloc<ShiftsEvent, ShiftsState>
   /// Use case for submitting a shift for timesheet approval.
   final SubmitForApprovalUseCase submitForApproval;
 
+  /// Use case that loads assigned, pending, and cancelled shifts in parallel.
+  final GetMyShiftsDataUseCase getMyShiftsData;
+
   Future<void> _onLoadShifts(
     LoadShiftsEvent event,
     Emitter<ShiftsState> emit,
@@ -86,29 +92,16 @@ class ShiftsBloc extends Bloc<ShiftsEvent, ShiftsState>
       emit: emit.call,
       action: () async {
         final List<DateTime> days = getCalendarDaysForOffset(0);
-
+        final MyShiftsData data = await getMyShiftsData(
-        // Load assigned, pending, and cancelled shifts in parallel.
+          GetAssignedShiftsArguments(start: days.first, end: days.last),
-        final List<Object> results = await Future.wait(<Future<Object>>[
+        );
-          getAssignedShifts(
-            GetAssignedShiftsArguments(start: days.first, end: days.last),
-          ),
-          getPendingAssignments(),
-          getCancelledShifts(),
-        ]);
-
-        final List<AssignedShift> myShiftsResult =
-            results[0] as List<AssignedShift>;
-        final List<PendingAssignment> pendingResult =
-            results[1] as List<PendingAssignment>;
-        final List<CancelledShift> cancelledResult =
-            results[2] as List<CancelledShift>;
 
         emit(
           state.copyWith(
             status: ShiftsStatus.loaded,
-            myShifts: myShiftsResult,
+            myShifts: data.assignedShifts,
-            pendingShifts: pendingResult,
+            pendingShifts: data.pendingAssignments,
-            cancelledShifts: cancelledResult,
+            cancelledShifts: data.cancelledShifts,
             availableShifts: const <OpenShift>[],
             historyShifts: const <CompletedShift>[],
             availableLoading: false,
@@ -250,18 +243,23 @@ class ShiftsBloc extends Bloc<ShiftsEvent, ShiftsState>
     LoadShiftsForRangeEvent event,
     Emitter<ShiftsState> emit,
   ) async {
-    emit(state.copyWith(myShifts: const <AssignedShift>[], myShiftsLoaded: false));
+    emit(state.copyWith(
+      myShifts: const <AssignedShift>[],
+      myShiftsLoaded: false,
+    ));
     await handleError(
       emit: emit.call,
       action: () async {
-        final List<AssignedShift> myShiftsResult = await getAssignedShifts(
+        final MyShiftsData data = await getMyShiftsData(
           GetAssignedShiftsArguments(start: event.start, end: event.end),
         );
 
         emit(
           state.copyWith(
             status: ShiftsStatus.loaded,
-            myShifts: myShiftsResult,
+            myShifts: data.assignedShifts,
+            pendingShifts: data.pendingAssignments,
+            cancelledShifts: data.cancelledShifts,
             myShiftsLoaded: true,
             clearErrorMessage: true,
           ),

apps/mobile/packages/features/staff/shifts/lib/src/staff_shifts_module.dart

@@ -8,6 +8,7 @@ import 'package:staff_shifts/src/domain/usecases/apply_for_shift_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/get_available_shifts_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/get_cancelled_shifts_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/get_history_shifts_usecase.dart';
+import 'package:staff_shifts/src/domain/usecases/get_my_shifts_data_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/get_my_shifts_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/get_pending_assignments_usecase.dart';
 import 'package:staff_shifts/src/domain/usecases/get_profile_completion_usecase.dart';
@@ -52,6 +53,7 @@ class StaffShiftsModule extends Module {
     i.addLazySingleton(
       () => SubmitForApprovalUseCase(i.get<ShiftsRepositoryInterface>()),
     );
+    i.addLazySingleton(GetMyShiftsDataUseCase.new);
     i.addLazySingleton(GetAvailableOrdersUseCase.new);
     i.addLazySingleton(BookOrderUseCase.new);
 
@@ -67,6 +69,7 @@ class StaffShiftsModule extends Module {
         acceptShift: i.get(),
         declineShift: i.get(),
         submitForApproval: i.get(),
+        getMyShiftsData: i.get(),
       ),
     );
     i.add(