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_persistence/lib/src/db/shared/native_db.dart

@@ -76,17 +76,21 @@ class SharedDB {
   /// [MoorChatDatabase.connect] created on a background isolate.
   ///
   /// Generally used with [ConnectionMode.background].
-  static Future<MoorChatDatabase> constructMoorChatDatabase(
+  static MoorChatDatabase constructMoorChatDatabase(
     String userId, {
     bool logStatements = false,
-  }) async {
+  }) {
     final dbName = 'db_$userId';
-    final isolate = await _createMoorIsolate(
-      dbName,
-      logStatements: logStatements,
+    return MoorChatDatabase.connect(
+      userId,
+      DatabaseConnection.delayed(Future(() async {
+        MoorIsolate isolate = await _createMoorIsolate(
+          dbName,
+          logStatements: logStatements,
+        );
+        return isolate.connect();
+      })),
     );
-    final connection = await isolate.connect();
-    return MoorChatDatabase.connect(userId, isolate, connection);
   }
 }
 

packages/stream_chat_persistence/lib/src/db/shared/unsupported_db.dart

@@ -1,3 +1,5 @@
+import 'package:moor/backends.dart';
+import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';
 import 'package:stream_chat_persistence/stream_chat_persistence.dart';
 
 /// A Helper class to construct new instances of [MoorChatDatabase]
@@ -5,7 +7,7 @@ class SharedDB {
   /// Returns a new instance of database.
   ///
   /// Generally used with [ConnectionMode.regular].
-  static dynamic constructDatabase(
+  static Future<DelegatedDatabase> constructDatabase(
     String userId, {
     bool logStatements = false,
     bool persistOnDisk = true,
@@ -16,7 +18,7 @@ class SharedDB {
   /// Return a new instance of moor chat database.
   ///
   /// Generally used with [ConnectionMode.background].
-  static dynamic constructMoorChatDatabase(
+  static MoorChatDatabase constructMoorChatDatabase(
     String userId, {
     bool logStatements = false,
   }) {

packages/stream_chat_persistence/lib/src/db/shared/web_db.dart

@@ -22,10 +22,10 @@ class SharedDB {
   /// default constructor.
   ///
   /// Generally used with [ConnectionMode.background].
-  static Future<MoorChatDatabase> constructMoorChatDatabase(
+  static MoorChatDatabase constructMoorChatDatabase(
     String userId, {
     bool logStatements = false,
-  }) async {
+  }) {
     final dbName = 'db_$userId';
     return MoorChatDatabase(dbName, logStatements: logStatements);
   }