Initial commit
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admin1
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part of '../di_providers.dart';
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typedef TmdbMediaKey = ({String tmdbId, String mediaType});
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typedef TmdbSeasonKey = ({String tmdbId, int seasonNumber});
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typedef _TmdbReady = ({TmdbRequestConfig config, String language});
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final _tmdbReadyProvider = FutureProvider<_TmdbReady?>((ref) async {
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final settings = await ref.watch(tmdbSettingsProvider.future);
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if (!settings.canRequest) return null;
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if (settings.accessMode == TmdbAccessMode.smAccount) {
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final account = await ref.watch(smAccountProvider.future);
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if (!account.canUseDataPlane) return null;
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final notifier = ref.read(smAccountProvider.notifier);
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final token = await notifier.getAccessToken();
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if (token == null) return null;
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return (
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config: TmdbRequestConfig(
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apiBaseUrl: account.tmdbApiBaseUrl,
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imageBaseUrl: TmdbSettingsState.officialImageBaseUrl,
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accessToken: token,
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apiKey: '',
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onUnauthorized: () => notifier.getAccessToken(force: true),
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),
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language: settings.language,
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);
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}
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return (
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config: TmdbRequestConfig(
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apiBaseUrl: settings.effectiveApiBaseUrl,
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imageBaseUrl: settings.effectiveImageBaseUrl,
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accessToken: settings.effectiveAccessToken,
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apiKey: settings.effectiveApiKey,
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),
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language: settings.language,
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);
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});
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final _tmdbCacheScopeProvider = FutureProvider<DiscoverPageCacheScope?>((
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ref,
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) async {
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final settings = await ref.watch(tmdbSettingsProvider.future);
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if (!settings.canRequest) return null;
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if (settings.accessMode == TmdbAccessMode.smAccount) {
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final account = await ref.watch(smAccountProvider.future);
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if (!account.hasActiveSession) return null;
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return DiscoverPageCacheScope(
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apiBaseUrl: account.tmdbApiBaseUrl,
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imageBaseUrl: TmdbSettingsState.officialImageBaseUrl,
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language: settings.language,
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);
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}
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return DiscoverPageCacheScope(
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apiBaseUrl: settings.effectiveApiBaseUrl,
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imageBaseUrl: settings.effectiveImageBaseUrl,
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language: settings.language,
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);
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});
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final tmdbEnrichedDetailProvider =
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FutureProvider.family<TmdbEnrichedDetail?, TmdbMediaKey>((ref, key) async {
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final ready = await ref.watch(_tmdbReadyProvider.future);
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if (ready == null || key.tmdbId.isEmpty) return null;
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return ref
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.read(tmdbGatewayProvider)
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.getEnrichedDetail(
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ready.config,
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key.tmdbId,
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key.mediaType,
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language: ready.language,
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);
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});
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final tmdbImagesProvider = Provider.family<TmdbImageSet?, TmdbMediaKey>((
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ref,
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key,
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) {
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return ref.watch(tmdbEnrichedDetailProvider(key)).value?.images;
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});
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final tmdbMediaDetailProvider = Provider.family<TmdbMediaDetail?, TmdbMediaKey>(
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(ref, key) {
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return ref.watch(tmdbEnrichedDetailProvider(key)).value?.detail;
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},
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);
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final tmdbSeasonDetailProvider =
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FutureProvider.family<TmdbSeasonDetail?, TmdbSeasonKey>((ref, key) async {
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final ready = await ref.watch(_tmdbReadyProvider.future);
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if (ready == null || key.tmdbId.isEmpty) return null;
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return ref
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.read(tmdbGatewayProvider)
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.getSeasonDetail(
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ready.config,
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key.tmdbId,
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key.seasonNumber,
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language: ready.language,
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);
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});
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enum _TmdbRecommendationRowKind {
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trendingDay,
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trendingWeek,
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popularMovies,
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popularTv,
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airingTodayTv,
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topRatedMovies,
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}
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final _tmdbRecommendationRowProvider =
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AsyncNotifierProvider.family<
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_TmdbRecommendationRowNotifier,
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TmdbRecommendationsRes?,
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_TmdbRecommendationRowKind
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>(_TmdbRecommendationRowNotifier.new);
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final tmdbTrendingDayProvider = _tmdbRecommendationRowProvider(
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_TmdbRecommendationRowKind.trendingDay,
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);
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final tmdbTrendingWeekProvider = _tmdbRecommendationRowProvider(
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_TmdbRecommendationRowKind.trendingWeek,
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);
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final tmdbPopularMoviesProvider = _tmdbRecommendationRowProvider(
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_TmdbRecommendationRowKind.popularMovies,
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);
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final tmdbPopularTvProvider = _tmdbRecommendationRowProvider(
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_TmdbRecommendationRowKind.popularTv,
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);
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final tmdbAiringTodayTvProvider = _tmdbRecommendationRowProvider(
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_TmdbRecommendationRowKind.airingTodayTv,
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);
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final tmdbTopRatedMoviesProvider = _tmdbRecommendationRowProvider(
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_TmdbRecommendationRowKind.topRatedMovies,
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);
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typedef TmdbDiscoverKey = ({
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String mediaType,
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String sortBy,
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String? withGenres,
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String? voteCountGte,
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});
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final tmdbDiscoverProvider =
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AsyncNotifierProvider.family<
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_TmdbDiscoverRowNotifier,
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TmdbRecommendationsRes?,
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TmdbDiscoverKey
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>(_TmdbDiscoverRowNotifier.new);
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class _TmdbRecommendationRowNotifier
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extends AsyncNotifier<TmdbRecommendationsRes?> {
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final _TmdbRecommendationRowKind arg;
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_TmdbRecommendationRowNotifier(this.arg);
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@override
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Future<TmdbRecommendationsRes?> build() async {
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final rowKey = _rowKeyForKind(arg);
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final scope = await ref.watch(_tmdbCacheScopeProvider.future);
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if (scope == null) return null;
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final cached = await _readDiscoverRowCacheByScope(ref, scope, rowKey);
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if (cached != null) {
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unawaited(_refreshFromNetwork(arg, rowKey));
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return cached;
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}
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final ready = await ref.watch(_tmdbReadyProvider.future);
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if (ready == null) return null;
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return _fetchAndCache(arg, ready, rowKey);
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}
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Future<void> _refreshFromNetwork(
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_TmdbRecommendationRowKind kind,
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String rowKey,
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) async {
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try {
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final ready = await ref.read(_tmdbReadyProvider.future);
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if (ready == null) return;
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final fresh = await _fetchAndCache(kind, ready, rowKey);
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if (fresh != null) {
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state = AsyncValue.data(fresh);
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}
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} catch (e) {
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AppLogger.warn('TMDB', 'refresh discover row $rowKey failed', e);
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}
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}
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Future<TmdbRecommendationsRes?> _fetchAndCache(
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_TmdbRecommendationRowKind kind,
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_TmdbReady ready,
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String rowKey,
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) async {
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final fresh = await _fetchRow(kind, ready);
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if (fresh != null) {
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await _writeDiscoverRowCache(ref, ready, rowKey, fresh);
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}
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return fresh;
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}
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Future<TmdbRecommendationsRes?> _fetchRow(
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_TmdbRecommendationRowKind kind,
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_TmdbReady ready,
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) {
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final gateway = ref.read(tmdbGatewayProvider);
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return switch (kind) {
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_TmdbRecommendationRowKind.trendingDay => gateway.getTrending(
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ready.config,
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language: ready.language,
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mediaType: 'all',
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timeWindow: 'day',
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),
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_TmdbRecommendationRowKind.trendingWeek => gateway.getTrending(
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ready.config,
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language: ready.language,
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mediaType: 'all',
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timeWindow: 'week',
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),
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_TmdbRecommendationRowKind.popularMovies => gateway.getPopularMovies(
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ready.config,
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language: ready.language,
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),
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_TmdbRecommendationRowKind.popularTv => gateway.getPopularTv(
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ready.config,
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language: ready.language,
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),
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_TmdbRecommendationRowKind.airingTodayTv => gateway.getAiringTodayTv(
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ready.config,
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language: ready.language,
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),
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_TmdbRecommendationRowKind.topRatedMovies => gateway.getTopRatedMovies(
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ready.config,
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language: ready.language,
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),
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};
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}
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}
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class _TmdbDiscoverRowNotifier extends AsyncNotifier<TmdbRecommendationsRes?> {
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final TmdbDiscoverKey arg;
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_TmdbDiscoverRowNotifier(this.arg);
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@override
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Future<TmdbRecommendationsRes?> build() async {
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final rowKey = _rowKeyForDiscover(arg);
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final scope = await ref.watch(_tmdbCacheScopeProvider.future);
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if (scope == null) return null;
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final cached = await _readDiscoverRowCacheByScope(ref, scope, rowKey);
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if (cached != null) {
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unawaited(_refreshFromNetwork(arg, rowKey));
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return cached;
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}
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final ready = await ref.watch(_tmdbReadyProvider.future);
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if (ready == null) return null;
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return _fetchAndCache(arg, ready, rowKey);
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}
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Future<void> _refreshFromNetwork(TmdbDiscoverKey key, String rowKey) async {
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try {
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final ready = await ref.read(_tmdbReadyProvider.future);
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if (ready == null) return;
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final fresh = await _fetchAndCache(key, ready, rowKey);
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if (fresh != null) {
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state = AsyncValue.data(fresh);
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}
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} catch (e) {
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AppLogger.warn('TMDB', 'refresh discover row $rowKey failed', e);
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}
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}
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Future<TmdbRecommendationsRes?> _fetchAndCache(
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TmdbDiscoverKey key,
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_TmdbReady ready,
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String rowKey,
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) async {
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final fresh = await ref
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.read(tmdbGatewayProvider)
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.getDiscover(
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ready.config,
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key.mediaType,
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language: ready.language,
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sortBy: key.sortBy,
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withGenres: key.withGenres,
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voteCountGte: key.voteCountGte,
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);
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if (fresh != null) {
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await _writeDiscoverRowCache(ref, ready, rowKey, fresh);
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}
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return fresh;
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}
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}
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DiscoverPageCacheScope _cacheScopeForReady(_TmdbReady ready) {
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return DiscoverPageCacheScope(
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apiBaseUrl: ready.config.apiBaseUrl,
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imageBaseUrl: ready.config.imageBaseUrl,
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language: ready.language,
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);
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}
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Future<TmdbRecommendationsRes?> _readDiscoverRowCacheByScope(
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Ref ref,
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DiscoverPageCacheScope scope,
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String rowKey,
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) async {
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final store = await ref.read(discoverPageCacheStoreProvider.future);
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final entry = await store.readRow(scope, rowKey);
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return entry?.data;
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}
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Future<void> _writeDiscoverRowCache(
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Ref ref,
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_TmdbReady ready,
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String rowKey,
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TmdbRecommendationsRes data,
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) async {
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final store = await ref.read(discoverPageCacheStoreProvider.future);
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await store.writeRow(_cacheScopeForReady(ready), rowKey, data);
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}
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String _rowKeyForKind(_TmdbRecommendationRowKind kind) {
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return switch (kind) {
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_TmdbRecommendationRowKind.trendingDay => 'trending:day',
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_TmdbRecommendationRowKind.trendingWeek => 'trending:week',
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_TmdbRecommendationRowKind.popularMovies => 'popular:movie',
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_TmdbRecommendationRowKind.popularTv => 'popular:tv',
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_TmdbRecommendationRowKind.airingTodayTv => 'airing_today:tv',
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_TmdbRecommendationRowKind.topRatedMovies => 'top_rated:movie',
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};
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}
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String _rowKeyForDiscover(TmdbDiscoverKey key) {
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return [
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'discover',
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key.mediaType,
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key.sortBy,
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key.withGenres ?? '',
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key.voteCountGte ?? '',
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].join(':');
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}
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