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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| import 'dart:async'; | ||
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|
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| import 'package:async/async.dart'; | ||
| import 'package:collection/collection.dart'; | ||
| import 'package:dartchess/dartchess.dart'; | ||
| import 'package:fast_immutable_collections/fast_immutable_collections.dart'; | ||
| import 'package:freezed_annotation/freezed_annotation.dart'; | ||
| import 'package:lichess_mobile/src/model/auth/auth_session.dart'; | ||
| import 'package:lichess_mobile/src/model/common/id.dart'; | ||
| import 'package:lichess_mobile/src/model/game/archived_game.dart'; | ||
| import 'package:lichess_mobile/src/model/game/game_repository.dart'; | ||
| import 'package:lichess_mobile/src/network/http.dart'; | ||
| import 'package:result_extensions/result_extensions.dart'; | ||
| import 'package:riverpod_annotation/riverpod_annotation.dart'; | ||
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| part 'game_bookmarks.freezed.dart'; | ||
| part 'game_bookmarks.g.dart'; | ||
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| const _nbPerPage = 20; | ||
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| /// A provider that paginates the game bookmarks for the current app user. | ||
| @riverpod | ||
| class GameBookmarksPaginator extends _$GameBookmarksPaginator { | ||
| final _list = <LightArchivedGameWithPov>[]; | ||
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| @override | ||
| Future<GameBookmarksPaginatorState> build() async { | ||
| ref.onDispose(() { | ||
| _list.clear(); | ||
| }); | ||
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| final session = ref.watch(authSessionProvider); | ||
|
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| if (session == null) { | ||
| return GameBookmarksPaginatorState( | ||
| gameList: <LightArchivedGameWithPov>[].toIList(), | ||
| isLoading: false, | ||
| hasMore: false, | ||
| hasError: false, | ||
| ); | ||
| } | ||
|
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| final games = ref.withClient((client) => GameRepository(client).getBookmarkedGames(session)); | ||
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| _list.addAll(await games); | ||
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| return GameBookmarksPaginatorState( | ||
| gameList: _list.toIList(), | ||
| isLoading: false, | ||
| hasMore: true, | ||
| hasError: false, | ||
| ); | ||
| } | ||
|
|
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| /// Fetches the next page of games. | ||
| Future<void> getNext() async { | ||
| if (!state.hasValue) return; | ||
|
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| final session = ref.read(authSessionProvider); | ||
|
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| if (session == null) return; | ||
|
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| final currentVal = state.requireValue; | ||
| state = AsyncData(currentVal.copyWith(isLoading: true)); | ||
| Result.capture( | ||
| ref.withClient( | ||
| (client) => GameRepository( | ||
| client, | ||
| ).getBookmarkedGames(session, max: _nbPerPage, until: _list.last.game.createdAt), | ||
| ), | ||
| ).fold( | ||
| (value) { | ||
| if (value.isEmpty) { | ||
| state = AsyncData(currentVal.copyWith(hasMore: false, isLoading: false)); | ||
| return; | ||
| } | ||
|
|
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| _list.addAll(value); | ||
|
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| state = AsyncData( | ||
| currentVal.copyWith( | ||
| gameList: _list.toIList(), | ||
| isLoading: false, | ||
| hasMore: value.length == _nbPerPage, | ||
| ), | ||
| ); | ||
| }, | ||
| (error, stackTrace) { | ||
| state = AsyncData(currentVal.copyWith(isLoading: false, hasError: true)); | ||
| }, | ||
| ); | ||
| } | ||
|
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| void removeBookmark(GameId id) { | ||
| if (!state.hasValue) return; | ||
|
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| final gameList = state.requireValue.gameList; | ||
| final entry = gameList.firstWhereOrNull((e) => e.game.id == id); | ||
| if (entry == null) return; | ||
|
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| final index = gameList.indexOf(entry); | ||
|
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| state = AsyncData(state.requireValue.copyWith(gameList: gameList.removeAt(index))); | ||
| } | ||
| } | ||
|
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| @freezed | ||
| class GameBookmarksPaginatorState with _$GameBookmarksPaginatorState { | ||
| const factory GameBookmarksPaginatorState({ | ||
| required IList<LightArchivedGameWithPov> gameList, | ||
| required bool isLoading, | ||
| required bool hasMore, | ||
| required bool hasError, | ||
| }) = _UserGameHistoryState; | ||
| } |
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