make the domain and data layers

lib/features/booking_system/data/booking_dummy_source.dart

@@ -0,0 +1,32 @@
+import 'package:syncrow_app/features/booking_system/domain/booking_model.dart';
+import 'package:syncrow_app/features/booking_system/domain/booking_service.dart';
+
+class BookingDummySource implements BookingService {
+  @override
+  Future<List<BookingModel>> get() async {
+    await Future.delayed(Duration(seconds: 2));
+    return [
+      BookingModel(
+        uuid: 'uuid1',
+        roomName: 'roomName1',
+        date: 'wed 28th May 2025',
+        timeSlot: '10:30 AM - 11:30 AM',
+        cost: 4,
+      ),
+      BookingModel(
+        uuid: 'uuid2',
+        roomName: 'roomName2',
+        date: 'wed 28th May 2025',
+        timeSlot: '10:30 AM - 11:30 AM',
+        cost: 6,
+      ),
+      BookingModel(
+        uuid: 'uuid3',
+        roomName: 'roomName3',
+        date: 'thur 2th june 2025',
+        timeSlot: '10:30 AM - 1:30 PM',
+        cost: 10,
+      )
+    ];
+  }
+}

lib/features/booking_system/data/booking_remote_source.dart

@@ -0,0 +1,35 @@
+import 'package:dio/dio.dart';
+import 'package:syncrow_app/features/booking_system/domain/booking_model.dart';
+import 'package:syncrow_app/features/booking_system/domain/booking_service.dart';
+import 'package:syncrow_app/services/api/api_links_endpoints.dart';
+import 'package:syncrow_app/services/api/http_service.dart';
+
+class BookingRemoteSource implements BookingService {
+  final HTTPService _httpService;
+  BookingRemoteSource(this._httpService);
+
+  @override
+  Future<List<BookingModel>> get() async {
+    try {
+      return _httpService.get(
+        path: ApiEndpoints.upcomingBookings,
+        expectedResponseModel: (json) {
+          return BookingModel.fromJsonList(json['data']);
+        },
+      );
+    } on DioException catch (e) {
+      return [];
+      // final message = e.response?.data as Map<String, dynamic>?;
+      //     final error = message?['error'] as Map<String, dynamic>?;
+      //     final errorMessage = error?['error'] as String? ?? '';
+      //     final formattedErrorMessage =
+      //         [_defaultErrorMessage, errorMessage].join(': ');
+      //     throw APIException(formattedErrorMessage);
+      //   } catch (e) {
+      //     final formattedErrorMessage = [_defaultErrorMessage, '$e'].join(': ');
+      //     throw APIException(formattedErrorMessage);
+      //   }
+      //
+    }
+  }
+}

lib/features/booking_system/domain/booking_model.dart

@@ -0,0 +1,41 @@
+import 'dart:convert';
+
+class BookingModel {
+  String uuid, roomName, date, timeSlot;
+  int cost;
+  BookingModel({
+    required this.uuid,
+    required this.roomName,
+    required this.date,
+    required this.timeSlot,
+    required this.cost,
+  });
+  factory BookingModel.zero() => BookingModel(
+        uuid: '',
+        roomName: '',
+        date: '',
+        timeSlot: '',
+        cost: -1,
+      );
+  factory BookingModel.fromJson(Map<String, dynamic> json) => BookingModel(
+        uuid: json['uuid'],
+        roomName: json['roomName'],
+        date: json['date'],
+        timeSlot: json['timeSlot'],
+        cost: json['cost'],
+      );
+
+  static List<BookingModel> fromJsonList(List<dynamic> jsonList) => jsonList
+      .map(
+        (bookModel) => BookingModel.fromJson(bookModel),
+      )
+      .toList();
+
+  Map<String, dynamic> toJson() => {
+        'uuid': uuid,
+        'roomName': roomName,
+        'date': date,
+        'timeSlot': timeSlot,
+        'cost': cost,
+      };
+}

lib/features/booking_system/domain/booking_service.dart

@@ -0,0 +1,5 @@
+import 'package:syncrow_app/features/booking_system/domain/booking_model.dart';
+
+abstract interface class BookingService {
+  Future<List<BookingModel>> get();
+}

lib/services/api/api_links_endpoints.dart

@@ -234,4 +234,7 @@ abstract class ApiEndpoints {
       '/projects/{projectUuid}/communities/{communityUuid}/spaces/{spaceUuid}/devices';
 
   static const String getReportLogs = '/devices/{uuid}/report-logs?code={code}';
+
+  //booking System APIs
+  static const String upcomingBookings = '/bookings/{uuid}/';
 }