first commit

lib/screen/queue/queue_provider.dart

@@ -0,0 +1,71 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import 'package:ticket_booth/provider/dio_provider.dart';
+import 'package:ticket_booth/repository/base_repository.dart';
+
+import 'package:ticket_booth/repository/queue_repository.dart';
+
+abstract class QueueState extends Equatable {
+  final DateTime date;
+  const QueueState(this.date);
+  @override
+  List<Object?> get props => [date];
+}
+
+class QueueStateInit extends QueueState {
+  QueueStateInit() : super(DateTime.now());
+}
+
+class QueueStateLoading extends QueueState {
+  QueueStateLoading() : super(DateTime.now());
+}
+
+class QueueStateError extends QueueState {
+  final String message;
+  QueueStateError({
+    required this.message,
+  }) : super(DateTime.now());
+}
+
+class QueueStateDone extends QueueState {
+  final Map<String, dynamic> response;
+  QueueStateDone({
+    required this.response,
+  }) : super(DateTime.now());
+}
+
+//notifier
+class QueueNotifier extends StateNotifier<QueueState> {
+  final Ref ref;
+  QueueNotifier({
+    required this.ref,
+  }) : super(QueueStateInit());
+
+  void get(
+      {required service_id,
+      required booth_id,
+      required hostIp,
+      required branchID}) async {
+    try {
+      state = QueueStateLoading();
+      final dio = ref.read(dioProvider);
+      final resp = await QueueRepository(dio: dio).getData(
+          service_id: service_id,
+          booth_id: booth_id,
+          hostIp: hostIp,
+          branchID: branchID);
+      state = QueueStateDone(response: resp);
+    } catch (e) {
+      if (e is BaseRepositoryException) {
+        state = QueueStateError(message: e.message);
+      } else {
+        state = QueueStateError(message: e.toString());
+      }
+    }
+  }
+}
+
+//provider
+final QueueProvider = StateNotifierProvider<QueueNotifier, QueueState>(
+    (ref) => QueueNotifier(ref: ref));