INFRA: Set Up Project.

lib/controllers/favourite_ondemmand_controller.dart

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+import 'package:customer/constant/constant.dart';
+import 'package:customer/models/category_model.dart';
+import 'package:customer/models/favorite_ondemand_service_model.dart';
+import 'package:customer/models/provider_serivce_model.dart';
+import 'package:customer/screen_ui/auth_screens/login_screen.dart';
+import 'package:customer/service/fire_store_utils.dart';
+import 'package:get/get.dart';
+
+class FavouriteOndemmandController extends GetxController {
+  // Add your controller logic here
+
+  Rx<bool> isLoading = false.obs;
+  RxList<FavouriteOndemandServiceModel> lstFav = <FavouriteOndemandServiceModel>[].obs;
+  RxList<CategoryModel> categories = <CategoryModel>[].obs;
+
+  @override
+  void onInit() {
+    // TODO: implement onInit
+    getData();
+    super.onInit();
+  }
+
+  Future<void> getData() async {
+    isLoading.value = true;
+    await FireStoreUtils.getOnDemandCategory().then((catValue) {
+      categories.value = catValue;
+    });
+    await FireStoreUtils.getFavouritesServiceList(FireStoreUtils.getCurrentUid()).then((favList) {
+      lstFav.value = favList;
+    });
+    isLoading.value = false;
+  }
+
+  void toggleFavourite(ProviderServiceModel provider) {
+    if (Constant.userModel == null) {
+      Get.to(LoginScreen());
+    } else {
+      var contain = lstFav.where((element) => element.service_id == provider.id);
+      if (contain.isNotEmpty) {
+        FavouriteOndemandServiceModel favouriteModel = FavouriteOndemandServiceModel(
+          section_id: provider.sectionId,
+          service_id: provider.id,
+          user_id: FireStoreUtils.getCurrentUid(),
+          serviceAuthorId: provider.author,
+        );
+        FireStoreUtils.removeFavouriteOndemandService(favouriteModel);
+        lstFav.removeWhere((item) => item.service_id == provider.id);
+      } else {
+        FavouriteOndemandServiceModel favouriteModel = FavouriteOndemandServiceModel(
+          section_id: provider.sectionId,
+          service_id: provider.id,
+          user_id: FireStoreUtils.getCurrentUid(),
+          serviceAuthorId: provider.author,
+        );
+        FireStoreUtils.setFavouriteOndemandSection(favouriteModel);
+        lstFav.add(favouriteModel);
+      }
+    }
+  }
+
+  /// Get category by id safely from cached categories
+  Future<CategoryModel?> getCategory(String? categoryId) async {
+    if (categoryId == null || categoryId.isEmpty) return null;
+
+    // Try to find category from cached list
+    CategoryModel? cat = categories.firstWhereOrNull((element) => element.id == categoryId);
+
+    // If not found, fetch from Firestore
+    cat ??= await FireStoreUtils.getCategoryById(categoryId);
+
+    return cat;
+  }
+}