refactor (core <-> ui <-> persistence) with the new filter changes.

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

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

@@ -23,16 +23,16 @@ class ChannelModel {
     this.memberCount = 0,
     this.extraData,
     this.team,
-  })  : config = config ?? ChannelConfig(),
-        createdAt = createdAt ?? DateTime.now(),
-        updatedAt = updatedAt ?? DateTime.now(),
-        assert(
+  })  : assert(
           (cid != null && cid.contains(':')) || (id != null && type != null),
           'provide either a cid or an id and type',
         ),
         id = id ?? cid!.split(':')[1],
         type = type ?? cid!.split(':')[0],
-        cid = cid ?? '$type:$id';
+        cid = cid ?? '$type:$id',
+        config = config ?? ChannelConfig(),
+        createdAt = createdAt ?? DateTime.now(),
+        updatedAt = updatedAt ?? DateTime.now();
 
   /// Create a new instance from a json
   factory ChannelModel.fromJson(Map<String, dynamic> json) =>

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

@@ -1,5 +1,7 @@
 // ignore_for_file: non_constant_identifier_names, constant_identifier_names
 
+import 'package:equatable/equatable.dart';
+
 const _groupOperators = [
   FilterOperator.and,
   FilterOperator.or,
@@ -83,7 +85,7 @@ extension FilterOperatorX on FilterOperator {
 /// )
 /// ```
 /// See <a href="https://getstream.io/chat/docs/query_channels/?language=dart" target="_top">Query Channels Documentation</a>
-class Filter {
+class Filter extends Equatable {
   const Filter.__({
     required this.operator,
     required this.value,
@@ -171,6 +173,9 @@ class Filter {
   ///
   final Object /*List<Object>|List<Filter>|String*/ value;
 
+  @override
+  List<Object?> get props => [operator, key, value];
+
   ///
   Map<String, Object> toJson() {
     final json = <String, Object>{};