fix: persistence (#329)

* fix(llc): Save original passed persistence for client reconnection.

Signed-off-by: Sahil Kumar <[email protected]>

* fix(persistence): Check for empty channels before applying offset

Signed-off-by: Sahil Kumar <[email protected]>

* fix(llc): Remove debug logs

Signed-off-by: Sahil Kumar <[email protected]>

* fix(persistence): Reset isolate on successful disconnect

Signed-off-by: Sahil Kumar <[email protected]>

* use mutexes in persistence client

* fix(persistence): use `super.updateChannelStates`

Signed-off-by: Sahil Kumar <[email protected]>

* fix(persistence): fix database multiple times creation.

Signed-off-by: Sahil Kumar <[email protected]>

Co-authored-by: Sahil Kumar <[email protected]>

packages/stream_chat/lib/src/api/channel.dart

@@ -7,11 +7,11 @@ import 'package:logging/logging.dart';
 import 'package:rxdart/rxdart.dart';
 import 'package:stream_chat/src/api/retry_queue.dart';
 import 'package:stream_chat/src/event_type.dart';
+import 'package:stream_chat/src/extensions/rate_limit.dart';
 import 'package:stream_chat/src/models/attachment_file.dart';
 import 'package:stream_chat/src/models/channel_state.dart';
 import 'package:stream_chat/src/models/user.dart';
 import 'package:stream_chat/stream_chat.dart';
-import 'package:stream_chat/src/extensions/rate_limit.dart';
 
 /// This a the class that manages a specific channel.
 class Channel {
@@ -1209,9 +1209,9 @@ class ChannelClientState {
   ChannelClientState(
     this._channel,
     ChannelState channelState,
-  ) : _debouncedUpdatePersistenceChannelState = _channel
-            ?._client?.chatPersistenceClient?.updateChannelState
-            ?.debounced(const Duration(seconds: 1)) {
+  ) : _debouncedUpdatePersistenceChannelState = ((ChannelState state) {
+          _channel?._client?.chatPersistenceClient?.updateChannelState(state);
+        }).debounced(const Duration(seconds: 1)) {
     retryQueue = RetryQueue(
       channel: _channel,
       logger: Logger('RETRY QUEUE ${_channel.cid}'),