Added Nextcloud base

lib/api/marianumcloud/talk/talkApi.dart

@@ -0,0 +1,51 @@
+import 'dart:convert';
+import 'dart:developer';
+
+import 'package:http/http.dart' as http;
+import 'package:marianum_mobile/api/apiRequest.dart';
+import 'package:marianum_mobile/api/apiResponse.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import '../../apiParams.dart';
+
+enum TalkApiMethod {
+  get,
+  post,
+  put,
+  delete,
+}
+
+abstract class TalkApi<T> extends ApiRequest {
+  String path;
+  ApiParams? body;
+  Map<String, String>? headers = {};
+  Map<String, dynamic>? getParameters;
+
+  http.Response? response;
+
+  TalkApi(this.path, this.body, {this.headers, this.getParameters});
+
+  Future<http.Response> request(Uri uri, Object? body, Map<String, String>? headers);
+  T assemble(String raw);
+
+  Future<T> run() async {
+    getParameters?.forEach((key, value) {
+      getParameters?.update(key, (value) => value.toString());
+    });
+
+    SharedPreferences preferences = await SharedPreferences.getInstance();
+
+    Uri endpoint = Uri.https("${preferences.getString("username")!}:${preferences.getString("password")!}@cloud.marianum-fulda.de", "/ocs/v2.php/apps/spreed/api/$path", getParameters);
+
+    headers ??= {};
+    headers?.putIfAbsent("Accept", () => "application/json");
+    headers?.putIfAbsent("OCS-APIRequest", () => "true");
+
+    http.Response data = await request(endpoint, body, headers);
+    dynamic jsonData = jsonDecode(data.body);
+
+
+    return assemble(data.body);
+  }
+
+}