Implement local HTTP Api usage

lib/api/webuntis/queries/getRooms/getRooms.dart

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+import 'dart:convert';
+
+import 'package:marianum_mobile/api/webuntis/apiResponse.dart';
+import 'package:marianum_mobile/api/webuntis/webuntisApi.dart';
+
+import 'getRoomsResponse.dart';
+
+class GetRooms extends WebuntisApi {
+  GetRooms() : super("getRooms", null);
+
+  @override
+  Future<GetRoomsResponse> run() async {
+    String rawAnswer = await query(this);
+    return finalize(GetRoomsResponse.fromJson(jsonDecode(rawAnswer)));
+  }
+
+}

lib/api/webuntis/queries/getRooms/getRoomsResponse.dart

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+import 'package:json_annotation/json_annotation.dart';
+import 'package:marianum_mobile/api/webuntis/apiResponse.dart';
+
+part 'getRoomsResponse.g.dart';
+
+@JsonSerializable()
+class GetRoomsResponse extends ApiResponse {
+  Set<GetRoomsResponseObject> result;
+
+  GetRoomsResponse(this.result);
+
+  factory GetRoomsResponse.fromJson(Map<String, dynamic> json) => _$GetRoomsResponseFromJson(json);
+  Map<String, dynamic> toJson() => _$GetRoomsResponseToJson(this);
+}
+
+@JsonSerializable(explicitToJson: true)
+class GetRoomsResponseObject {
+  int id;
+  String name;
+  String longName;
+  bool active;
+  String building;
+
+
+  GetRoomsResponseObject(this.id, this.name, this.longName, this.active, this.building);
+
+  factory GetRoomsResponseObject.fromJson(Map<String, dynamic> json) => _$GetRoomsResponseObjectFromJson(json);
+  Map<String, dynamic> toJson() => _$GetRoomsResponseObjectToJson(this);
+}

lib/api/webuntis/queries/getRooms/getRoomsResponse.g.dart

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+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'getRoomsResponse.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+GetRoomsResponse _$GetRoomsResponseFromJson(Map<String, dynamic> json) =>
+    GetRoomsResponse(
+      (json['result'] as List<dynamic>)
+          .map(
+              (e) => GetRoomsResponseObject.fromJson(e as Map<String, dynamic>))
+          .toSet(),
+    );
+
+Map<String, dynamic> _$GetRoomsResponseToJson(GetRoomsResponse instance) =>
+    <String, dynamic>{
+      'result': instance.result.toList(),
+    };
+
+GetRoomsResponseObject _$GetRoomsResponseObjectFromJson(
+        Map<String, dynamic> json) =>
+    GetRoomsResponseObject(
+      json['id'] as int,
+      json['name'] as String,
+      json['longName'] as String,
+      json['active'] as bool,
+      json['building'] as String,
+    );
+
+Map<String, dynamic> _$GetRoomsResponseObjectToJson(
+        GetRoomsResponseObject instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'name': instance.name,
+      'longName': instance.longName,
+      'active': instance.active,
+      'building': instance.building,
+    };