api and storage restructure

lib/api/marianumcloud/files-sharing/fileSharingApi.dart

@@ -2,21 +2,17 @@ import 'dart:io';
 
 import 'package:http/http.dart' as http;
 
-import '../../../model/account_data.dart';
-import '../../../model/endpoint_data.dart';
+import '../nextcloud_ocs.dart';
 import 'fileSharingApiParams.dart';
 
 class FileSharingApi {
   Future<void> share(FileSharingApiParams query) async {
-    var headers = <String, String>{};
-    headers.putIfAbsent('Accept', () => 'application/json');
-    headers.putIfAbsent('OCS-APIRequest', () => 'true');
-    headers.putIfAbsent('Authorization', AccountData().getBasicAuthHeader);
-
-    var endpoint = Uri.https(EndpointData().nextcloud().domain, '${EndpointData().nextcloud().path}/ocs/v2.php/apps/files_sharing/api/v1/shares', query.toJson().map((key, value) => MapEntry(key, value.toString())));
-    var response = await http.post(endpoint, headers: headers);
-
-    if(response.statusCode != HttpStatus.ok) {
+    final endpoint = NextcloudOcs.uri(
+      'apps/files_sharing/api/v1/shares',
+      queryParameters: query.toJson(),
+    );
+    final response = await http.post(endpoint, headers: NextcloudOcs.headers());
+    if (response.statusCode != HttpStatus.ok) {
       throw Exception('Api call failed with ${response.statusCode}: ${response.body}');
     }
   }