first commit

lib/screen/settings/branch_list_provider.dart

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+import 'package:equatable/equatable.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:queuedisplay/model/branch_model.dart';
+import 'package:queuedisplay/provider/dio_provider.dart';
+import 'package:queuedisplay/repository/base_repository.dart';
+import 'package:queuedisplay/repository/counter_repository.dart';
+
+abstract class BranchListState extends Equatable {
+  final DateTime date;
+  const BranchListState(this.date);
+  @override
+  List<Object?> get props => [date];
+}
+
+class BranchListStateInit extends BranchListState {
+  BranchListStateInit() : super(DateTime.now());
+}
+
+class BranchListStateLoading extends BranchListState {
+  BranchListStateLoading() : super(DateTime.now());
+}
+
+class BranchListStateError extends BranchListState {
+  final String message;
+  BranchListStateError({
+    required this.message,
+  }) : super(DateTime.now());
+}
+
+class BranchListStateDone extends BranchListState {
+  final List<BranchModel> model;
+  BranchListStateDone({
+    required this.model,
+  }) : super(DateTime.now());
+}
+
+//notifier
+class BranchListNotifier extends StateNotifier<BranchListState> {
+  final Ref ref;
+  BranchListNotifier({
+    required this.ref,
+  }) : super(BranchListStateInit());
+
+  void list() async {
+    try {
+      state = BranchListStateLoading();
+      final dio = ref.read(dioProvider);
+      final resp = await CounterRepository(dio: dio).getBranch();
+      state = BranchListStateDone(model: resp);
+    } catch (e) {
+      if (e is BaseRepositoryException) {
+        state = BranchListStateError(message: e.message);
+      } else {
+        state = BranchListStateError(message: e.toString());
+      }
+    }
+  }
+}
+
+//provider
+final BranchListProvider =
+    StateNotifierProvider<BranchListNotifier, BranchListState>(
+        (ref) => BranchListNotifier(ref: ref));