1 files changed, 10 insertions, 0 deletions
diff --git a/lib/services/ishift_provider_service.dart b/lib/services/ishift_provider_service.dart
new file mode 100644
index 0000000..2022536
--- /dev/null
+++ b/lib/services/ishift_provider_service.dart
@@ -0,0 +1,10 @@
+import 'dart:async';
+
+import 'package:training_planner/shift.dart';
+
+abstract class IProgramProviderService {
+  Future<List<Shift>> getPastShifts();
+  Future<List<Shift>> getShiftsForWeek(DateTime firstDayOfWeek);
+  Future<void> updateShift(Shift shift);
+  Future<void> addShift(Shift shift);
+}