implemented global user search integration for Talk chats with role-coded badges and direct chat creation logic

lib/api/marianumcloud/talk/create_room/create_room.dart

@@ -1,16 +1,22 @@
+import 'dart:convert';
+
 import 'package:http/http.dart' as http;
 import 'package:http/http.dart';
 
 import '../talk_api.dart';
 import 'create_room_params.dart';
+import 'create_room_response.dart';
 
-class CreateRoom extends TalkApi {
+class CreateRoom extends TalkApi<CreateRoomResponse> {
   CreateRoomParams params;
 
   CreateRoom(this.params) : super('v4/room', params);
 
   @override
-  Null assemble(String raw) => null;
+  CreateRoomResponse assemble(String raw) {
+    final decoded = jsonDecode(raw) as Map<String, dynamic>;
+    return CreateRoomResponse.fromJson(decoded['ocs'] as Map<String, dynamic>);
+  }
 
   @override
   Future<Response>? request(

lib/api/marianumcloud/talk/create_room/create_room_response.dart

@@ -0,0 +1,27 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import '../../../api_response.dart';
+
+part 'create_room_response.g.dart';
+
+@JsonSerializable(explicitToJson: true)
+class CreateRoomResponse extends ApiResponse {
+  final CreateRoomResponseData data;
+
+  CreateRoomResponse(this.data);
+
+  factory CreateRoomResponse.fromJson(Map<String, dynamic> json) =>
+      _$CreateRoomResponseFromJson(json);
+  Map<String, dynamic> toJson() => _$CreateRoomResponseToJson(this);
+}
+
+@JsonSerializable()
+class CreateRoomResponseData {
+  final String token;
+
+  CreateRoomResponseData(this.token);
+
+  factory CreateRoomResponseData.fromJson(Map<String, dynamic> json) =>
+      _$CreateRoomResponseDataFromJson(json);
+  Map<String, dynamic> toJson() => _$CreateRoomResponseDataToJson(this);
+}

lib/api/marianumcloud/talk/create_room/create_room_response.g.dart

@@ -0,0 +1,29 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'create_room_response.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+CreateRoomResponse _$CreateRoomResponseFromJson(Map<String, dynamic> json) =>
+    CreateRoomResponse(
+        CreateRoomResponseData.fromJson(json['data'] as Map<String, dynamic>),
+      )
+      ..headers = (json['headers'] as Map<String, dynamic>?)?.map(
+        (k, e) => MapEntry(k, e as String),
+      );
+
+Map<String, dynamic> _$CreateRoomResponseToJson(CreateRoomResponse instance) =>
+    <String, dynamic>{
+      'headers': ?instance.headers,
+      'data': instance.data.toJson(),
+    };
+
+CreateRoomResponseData _$CreateRoomResponseDataFromJson(
+  Map<String, dynamic> json,
+) => CreateRoomResponseData(json['token'] as String);
+
+Map<String, dynamic> _$CreateRoomResponseDataToJson(
+  CreateRoomResponseData instance,
+) => <String, dynamic>{'token': instance.token};