update perf

lib/features/home/presentation/providers/promotions_provider.dart

@@ -1,23 +1,25 @@
 /// Provider: Promotions Provider
 ///
 /// Manages the state of promotions data using Riverpod.
-/// Provides access to active promotions throughout the app.
+/// Uses the same data source as news articles (single API call).
 ///
 /// Uses AsyncNotifierProvider for automatic loading, error, and data states.
 library;
 
 import 'package:riverpod_annotation/riverpod_annotation.dart';
-import 'package:worker/features/home/data/datasources/home_local_datasource.dart';
-import 'package:worker/features/home/data/repositories/home_repository_impl.dart';
 import 'package:worker/features/home/domain/entities/promotion.dart';
-import 'package:worker/features/home/domain/usecases/get_promotions.dart';
+import 'package:worker/features/news/presentation/providers/news_provider.dart';
 
 part 'promotions_provider.g.dart';
 
+/// Max number of promotions to display on home page
+const int _maxPromotions = 5;
+
 /// Promotions Provider
 ///
-/// Fetches and caches the list of active promotions.
-/// Automatically handles loading, error, and data states.
+/// Uses the same data source as news articles to avoid duplicate API calls.
+/// Converts NewsArticle to Promotion entity for display in PromotionSlider.
+/// Limited to 5 items max.
 ///
 /// Usage:
 /// ```dart
@@ -31,33 +33,22 @@ part 'promotions_provider.g.dart';
 /// );
 /// ```
 @riverpod
-class PromotionsNotifier extends _$PromotionsNotifier {
-  @override
-  Future<List<Promotion>> build() async {
-    // Initialize dependencies
-    final localDataSource = const HomeLocalDataSourceImpl();
-    final repository = HomeRepositoryImpl(localDataSource: localDataSource);
-    final useCase = GetPromotions(repository);
+Future<List<Promotion>> promotions(Ref ref) async {
+  // Use newsArticles provider (same API call, no duplicate request)
+  final articles = await ref.watch(newsArticlesProvider.future);
 
-    // Fetch promotions (only active ones)
-    return await useCase();
-  }
+  // Take max 5 articles and convert to Promotion
+  final limitedArticles = articles.take(_maxPromotions).toList();
 
-  /// Refresh promotions data
-  ///
-  /// Forces a refresh from the server (when API is available).
-  /// Updates the cached state with fresh data.
-  Future<void> refresh() async {
-    // Set loading state
-    state = const AsyncValue.loading();
-
-    // Fetch fresh data
-    state = await AsyncValue.guard(() async {
-      final localDataSource = const HomeLocalDataSourceImpl();
-      final repository = HomeRepositoryImpl(localDataSource: localDataSource);
-      final useCase = GetPromotions(repository);
-
-      return await useCase.refresh();
-    });
-  }
+  return limitedArticles.map((article) {
+    final now = DateTime.now();
+    return Promotion(
+      id: article.id,
+      title: article.title,
+      description: article.excerpt,
+      imageUrl: article.imageUrl,
+      startDate: article.publishedDate,
+      endDate: now.add(const Duration(days: 365)), // Always active
+    );
+  }).toList();
 }