Merge branch 'feature/null-safety' into feat/nullsafety-stream-chat

packages/stream_chat/lib/src/client.dart

@@ -758,7 +758,8 @@ class StreamChatClient {
     await _chatPersistenceClient?.updateChannelQueries(
       filter,
       channels.map((c) => c.channel.cid).toList(),
-      paginationParams?.offset == null || paginationParams.offset == 0,
+      clearQueryCache:
+          paginationParams?.offset == null || paginationParams.offset == 0,
     );
 
     state.channels = updateData.key;

packages/stream_chat/lib/src/db/chat_persistence_client.dart

@@ -100,10 +100,9 @@ abstract class ChatPersistenceClient {
   /// the list of matching rows will be deleted
   Future<void> updateChannelQueries(
     Map<String, dynamic> filter,
-    List<String> cids,
-    // ignore: avoid_positional_boolean_parameters
-    bool clearQueryCache,
-  );
+    List<String> cids, {
+    bool clearQueryCache = false,
+  });
 
   /// Remove a message by [messageId]
   Future<void> deleteMessageById(String messageId) =>

packages/stream_chat/lib/src/models/event.dart

@@ -121,6 +121,46 @@ class Event {
         _$EventToJson(this),
         topLevelFields,
       );
+
+  /// Creates a copy of [Event] with specified attributes overridden.
+  Event copyWith({
+    String type,
+    String cid,
+    String channelId,
+    String channelType,
+    String connectionId,
+    DateTime createdAt,
+    OwnUser me,
+    User user,
+    Message message,
+    EventChannel channel,
+    Member member,
+    Reaction reaction,
+    int totalUnreadCount,
+    int unreadChannels,
+    bool online,
+    String parentId,
+    Map<String, dynamic> extraData,
+  }) =>
+      Event(
+        type: type ?? this.type,
+        cid: cid ?? this.cid,
+        connectionId: connectionId ?? this.connectionId,
+        createdAt: createdAt ?? this.createdAt,
+        me: me ?? this.me,
+        user: user ?? this.user,
+        message: message ?? this.message,
+        totalUnreadCount: totalUnreadCount ?? this.totalUnreadCount,
+        unreadChannels: unreadChannels ?? this.unreadChannels,
+        reaction: reaction ?? this.reaction,
+        online: online ?? this.online,
+        channel: channel ?? this.channel,
+        member: member ?? this.member,
+        channelId: channelId ?? this.channelId,
+        channelType: channelType ?? this.channelType,
+        parentId: parentId ?? this.parentId,
+        extraData: extraData ?? this.extraData,
+      );
 }
 
 /// The channel embedded in the event object

packages/stream_chat/lib/src/models/read.dart

@@ -27,4 +27,16 @@ class Read {
 
   /// Serialize to json
   Map<String, dynamic> toJson() => _$ReadToJson(this);
+
+  /// Creates a copy of [Read] with specified attributes overridden.
+  Read copyWith({
+    DateTime lastRead,
+    User user,
+    int unreadMessages,
+  }) =>
+      Read(
+        lastRead: lastRead ?? this.lastRead,
+        user: user ?? this.user,
+        unreadMessages: unreadMessages ?? this.unreadMessages,
+      );
 }

packages/stream_chat/lib/src/models/user.dart

@@ -100,4 +100,28 @@ class User {
   /// Serialize to json
   Map<String, dynamic> toJson() =>
       Serialization.moveFromExtraDataToRoot(_$UserToJson(this), topLevelFields);
+
+  /// Creates a copy of [User] with specified attributes overridden.
+  User copyWith({
+    String id,
+    String role,
+    DateTime createdAt,
+    DateTime updatedAt,
+    DateTime lastActive,
+    bool online,
+    Map<String, dynamic> extraData,
+    bool banned,
+    List<String> teams,
+  }) =>
+      User(
+        id: id ?? this.id,
+        role: role ?? this.role,
+        createdAt: createdAt ?? this.createdAt,
+        updatedAt: updatedAt ?? this.updatedAt,
+        lastActive: lastActive ?? this.lastActive,
+        online: online ?? this.online,
+        extraData: extraData ?? this.extraData,
+        banned: banned ?? this.banned,
+        teams: teams ?? this.teams,
+      );
 }