remove channels bloc

2020-04-07 10:14:00 +02:00
parent fa2be8397d
commit dc90e38743
4 changed files with 130 additions and 123 deletions
@@ -1,88 +0,0 @@
-import 'dart:async';
-
-import 'package:rxdart/rxdart.dart';
-import 'package:stream_chat/stream_chat.dart';
-
-class ChannelsBloc {
-  final Client client;
-  StreamSubscription _newMessagesSubscription;
-
-  ChannelsBloc(this.client) {
-    _newMessagesSubscription = client.on(EventType.messageNew).listen((e) {
-      final newChannels = List<Channel>.from(channels ?? []);
-      final index = newChannels.indexWhere((c) => c.cid == e.cid);
-      if (index > 0) {
-        final channel = newChannels.removeAt(index);
-        newChannels.insert(0, channel);
-        _channelsController.add(newChannels);
-      }
-    });
-  }
-
-  /// The current channel list
-  List<Channel> get channels => _channelsController.value;
-
-  /// The current channel list as a stream
-  Stream<List<Channel>> get channelsStream => _channelsController.stream;
-
-  final BehaviorSubject<bool> _queryChannelsLoadingController =
-      BehaviorSubject.seeded(false);
-
-  final BehaviorSubject<List<Channel>> _channelsController =
-      BehaviorSubject.seeded([]);
-
-  /// The stream notifying the state of queryChannel call
-  Stream<bool> get queryChannelsLoading =>
-      _queryChannelsLoadingController.stream;
-
-  /// Calls [client.queryChannels] updating [queryChannelsLoading] stream
-  Future<void> queryChannels({
-    Map<String, dynamic> filter,
-    List<SortOption> sortOptions,
-    PaginationParams paginationParams,
-    Map<String, dynamic> options,
-    bool onlyOffline = false,
-  }) async {
-    if (_queryChannelsLoadingController.value == true) {
-      return;
-    }
-    _queryChannelsLoadingController.sink.add(true);
-
-    try {
-      final clear = paginationParams == null ||
-          paginationParams.offset == null ||
-          paginationParams.offset == 0;
-      final oldChannels = List<Channel>.from(channels);
-      client
-          .queryChannels(
-        filter: filter,
-        sort: sortOptions,
-        options: options,
-        paginationParams: paginationParams,
-        onlyOffline: onlyOffline,
-      )
-          .listen((channels) {
-        if (clear) {
-          _channelsController.add(channels);
-        } else {
-          final l = oldChannels + channels;
-          _channelsController.add(l);
-        }
-      }, onDone: () {
-        _queryChannelsLoadingController.sink.add(false);
-      }, onError: (err, stackTrace) {
-        print(err);
-        print(stackTrace);
-        _queryChannelsLoadingController.addError(err, stackTrace);
-      });
-    } catch (err, stackTrace) {
-      _queryChannelsLoadingController.addError(err, stackTrace);
-    }
-  }
-
-  void dispose() {
-    _channelsController.close();
-    _queryChannelsLoadingController.close();
-    _newMessagesSubscription.cancel();
-  }
-}