37 lines
1.4 KiB
Dart
37 lines
1.4 KiB
Dart
import 'package:shared_preferences/shared_preferences.dart';
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/// Registo local (por criança) de episódios assistidos até ao fim.
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/// Segue o mesmo padrão de [QuizPrefs]: chaves com sufixo `_scopeId`,
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/// guardadas via [SharedPreferences], sem qualquer chamada ao Supabase.
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class WatchedVideosPrefs {
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static const String _kWatchedKey = 'watched_videos';
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static String _key(String scopeId) => '${_kWatchedKey}_$scopeId';
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static Future<void> markWatched(String scopeId, int videoId) async {
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final prefs = await SharedPreferences.getInstance();
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final key = _key(scopeId);
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final ids = (prefs.getStringList(key) ?? <String>[]).toSet();
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ids.add(videoId.toString());
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await prefs.setStringList(key, ids.toList());
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}
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static Future<bool> isWatched(String scopeId, int videoId) async {
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final prefs = await SharedPreferences.getInstance();
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final ids = prefs.getStringList(_key(scopeId)) ?? const [];
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return ids.contains(videoId.toString());
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}
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static Future<int> getWatchedCount(String scopeId) async {
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final prefs = await SharedPreferences.getInstance();
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final ids = prefs.getStringList(_key(scopeId)) ?? const [];
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return ids.length;
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}
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static Future<Set<int>> getWatchedIds(String scopeId) async {
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final prefs = await SharedPreferences.getInstance();
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final ids = prefs.getStringList(_key(scopeId)) ?? const [];
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return ids.map((e) => int.tryParse(e) ?? -1).where((e) => e >= 0).toSet();
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}
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}
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