api [nfc]: Rename StreamCreateEvent to ChannelCreateEvent

Author: Khader-1

lib/api/model/events.dart

@@ -37,7 +37,7 @@ sealed class Event {
         }
       case 'stream':
         switch (json['op'] as String) {
-          case 'create': return StreamCreateEvent.fromJson(json);
+          case 'create': return ChannelCreateEvent.fromJson(json);
           case 'delete': return StreamDeleteEvent.fromJson(json);
           // TODO(#182): case 'update': …
           default: return UnexpectedEvent.fromJson(json);
@@ -344,19 +344,19 @@ sealed class ChannelEvent extends Event {
 
 /// A [ChannelEvent] with op `create`: https://zulip.com/api/get-events#stream-create
 @JsonSerializable(fieldRename: FieldRename.snake)
-class StreamCreateEvent extends ChannelEvent {
+class ChannelCreateEvent extends ChannelEvent {
   @override
   String get op => 'create';
 
   final List<ZulipStream> streams;
 
-  StreamCreateEvent({required super.id, required this.streams});
+  ChannelCreateEvent({required super.id, required this.streams});
 
-  factory StreamCreateEvent.fromJson(Map<String, dynamic> json) =>
-    _$StreamCreateEventFromJson(json);
+  factory ChannelCreateEvent.fromJson(Map<String, dynamic> json) =>
+    _$ChannelCreateEventFromJson(json);
 
   @override
-  Map<String, dynamic> toJson() => _$StreamCreateEventToJson(this);
+  Map<String, dynamic> toJson() => _$ChannelCreateEventToJson(this);
 }
 
 /// A [ChannelEvent] with op `delete`: https://zulip.com/api/get-events#stream-delete

lib/api/model/events.g.dart

@@ -131,7 +131,7 @@ class ChannelStoreImpl with ChannelStore {
 
   void handleChannelEvent(ChannelEvent event) {
     switch (event) {
-      case StreamCreateEvent():
+      case ChannelCreateEvent():
         assert(event.streams.every((stream) =>
           !streams.containsKey(stream.streamId)
           && !streamsByName.containsKey(stream.name)));

lib/model/channel.dart

@@ -134,7 +134,7 @@ extension PerAccountStoreTestExtension on PerAccountStore {
   }
 
   Future<void> addStreams(List<ZulipStream> streams) async {
-    await handleEvent(StreamCreateEvent(id: 1, streams: streams));
+    await handleEvent(ChannelCreateEvent(id: 1, streams: streams));
   }
 
   Future<void> addSubscription(Subscription subscription) async {