first commit

lib/provider/counter_provider.dart

@@ -0,0 +1,65 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:queuedisplay/model/counter_model.dart';
+import 'package:queuedisplay/repository/counter_repository.dart';
+
+import '../repository/base_repository.dart';
+
+import 'dio_provider.dart';
+
+abstract class CounterListState extends Equatable {
+  final DateTime date;
+  const CounterListState(this.date);
+  @override
+  List<Object?> get props => [date];
+}
+
+class CounterListStateInit extends CounterListState {
+  CounterListStateInit() : super(DateTime.now());
+}
+
+class CounterListStateLoading extends CounterListState {
+  CounterListStateLoading() : super(DateTime.now());
+}
+
+class CounterListStateError extends CounterListState {
+  final String message;
+  CounterListStateError({
+    required this.message,
+  }) : super(DateTime.now());
+}
+
+class CounterListStateDone extends CounterListState {
+  final List<Counter> model;
+  CounterListStateDone({
+    required this.model,
+  }) : super(DateTime.now());
+}
+
+//notifier
+class CounterListNotifier extends StateNotifier<CounterListState> {
+  final Ref ref;
+  CounterListNotifier({
+    required this.ref,
+  }) : super(CounterListStateInit());
+
+  void list() async {
+    try {
+      state = CounterListStateLoading();
+      final dio = ref.read(dioProvider);
+      final resp = await CounterRepository(dio: dio).getData();
+      state = CounterListStateDone(model: resp);
+    } catch (e) {
+      if (e is BaseRepositoryException) {
+        state = CounterListStateError(message: e.message);
+      } else {
+        state = CounterListStateError(message: e.toString());
+      }
+    }
+  }
+}
+
+//provider
+final CounterProvider =
+    StateNotifierProvider<CounterListNotifier, CounterListState>(
+        (ref) => CounterListNotifier(ref: ref));