Initial commit

lib/providers/m3u_sources_provider.dart

@@ -0,0 +1,66 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class M3uSourcesState {
+  final List<String> sources;
+  final String? defaultUrl;
+
+  M3uSourcesState({required this.sources, this.defaultUrl});
+
+  M3uSourcesState copyWith({List<String>? sources, String? defaultUrl}) =>
+      M3uSourcesState(
+        sources: sources ?? this.sources,
+        defaultUrl: defaultUrl ?? this.defaultUrl,
+      );
+}
+
+class M3uSourcesNotifier extends StateNotifier<M3uSourcesState> {
+  static const _kSourcesKey = 'm3u_sources';
+  static const _kDefaultKey = 'm3u_default';
+
+  M3uSourcesNotifier() : super(M3uSourcesState(sources: [], defaultUrl: null));
+
+  Future<void> load() async {
+    final sp = await SharedPreferences.getInstance();
+    final list = sp.getStringList(_kSourcesKey) ?? <String>[];
+    final def = sp.getString(_kDefaultKey);
+    state = state.copyWith(sources: list, defaultUrl: def);
+  }
+
+  Future<void> add(String url) async {
+    final u = url.trim();
+    if (u.isEmpty) return;
+    if (state.sources.contains(u)) return;
+    final updated = [...state.sources, u];
+    state = state.copyWith(sources: updated);
+    final sp = await SharedPreferences.getInstance();
+    await sp.setStringList(_kSourcesKey, updated);
+  }
+
+  Future<void> remove(String url) async {
+    final updated = state.sources.where((s) => s != url).toList();
+    String? def = state.defaultUrl;
+    if (def == url) def = null;
+    state = state.copyWith(sources: updated, defaultUrl: def);
+    final sp = await SharedPreferences.getInstance();
+    await sp.setStringList(_kSourcesKey, updated);
+    if (def == null)
+      await sp.remove(_kDefaultKey);
+    else
+      await sp.setString(_kDefaultKey, def);
+  }
+
+  Future<void> setDefault(String? url) async {
+    state = state.copyWith(defaultUrl: url);
+    final sp = await SharedPreferences.getInstance();
+    if (url == null)
+      await sp.remove(_kDefaultKey);
+    else
+      await sp.setString(_kDefaultKey, url);
+  }
+}
+
+final m3uSourcesProvider =
+    StateNotifierProvider<M3uSourcesNotifier, M3uSourcesState>((ref) {
+  return M3uSourcesNotifier();
+});