Initial commit

lib/presentation/providers/favorites_provider.dart

@@ -0,0 +1,94 @@
+import 'package:flutter/material.dart';
+import 'package:neomovies_mobile/data/models/favorite.dart';
+import 'package:neomovies_mobile/data/models/movie.dart';
+import 'package:neomovies_mobile/data/repositories/favorites_repository.dart';
+import 'package:neomovies_mobile/presentation/providers/auth_provider.dart';
+
+class FavoritesProvider extends ChangeNotifier {
+  final FavoritesRepository _favoritesRepository;
+  AuthProvider _authProvider;
+
+  List<Favorite> _favorites = [];
+  bool _isLoading = false;
+  String? _error;
+
+  List<Favorite> get favorites => _favorites;
+  bool get isLoading => _isLoading;
+  String? get error => _error;
+
+  FavoritesProvider(this._favoritesRepository, this._authProvider) {
+    // Listen for authentication state changes
+    _authProvider.addListener(_onAuthStateChanged);
+    _onAuthStateChanged();
+  }
+
+  void update(AuthProvider authProvider) {
+    // Remove listener from previous AuthProvider to avoid leaks
+    _authProvider.removeListener(_onAuthStateChanged);
+    _authProvider = authProvider;
+    _authProvider.addListener(_onAuthStateChanged);
+    _onAuthStateChanged();
+  }
+
+  void _onAuthStateChanged() {
+    if (_authProvider.isAuthenticated) {
+      fetchFavorites();
+    } else {
+      _clearFavorites();
+    }
+  }
+
+  Future<void> fetchFavorites() async {
+    _isLoading = true;
+    _error = null;
+    notifyListeners();
+
+    try {
+      _favorites = await _favoritesRepository.getFavorites();
+    } catch (e) {
+      _error = e.toString();
+    } finally {
+      _isLoading = false;
+      notifyListeners();
+    }
+  }
+
+  Future<void> addFavorite(Movie movie) async {
+    try {
+      await _favoritesRepository.addFavorite(
+        movie.id.toString(),
+        'movie', // Assuming mediaType is 'movie'
+        movie.title,
+        movie.posterPath ?? '',
+      );
+      await fetchFavorites(); // Refresh the list
+    } catch (e) {
+      _error = e.toString();
+      notifyListeners();
+    }
+  }
+
+  Future<void> removeFavorite(String mediaId) async {
+    try {
+      await _favoritesRepository.removeFavorite(mediaId);
+      _favorites.removeWhere((fav) => fav.mediaId == mediaId);
+      notifyListeners();
+    } catch (e) {
+      _error = e.toString();
+      notifyListeners();
+    }
+  }
+
+  bool isFavorite(String mediaId) {
+    return _favorites.any((fav) => fav.mediaId == mediaId);
+  }
+
+  void _clearFavorites() {
+    _favorites = [];
+    _error = null;
+    _isLoading = false;
+    notifyListeners();
+  }
+
+
+}