fix: Manage server deletion for Digital Ocean

lib/logic/api_maps/rest_maps/server_providers/digital_ocean/digital_ocean.dart

@@ -18,6 +18,7 @@ import 'package:selfprivacy/logic/models/server_metadata.dart';
 import 'package:selfprivacy/logic/models/server_provider_location.dart';
 import 'package:selfprivacy/logic/models/server_type.dart';
 import 'package:selfprivacy/utils/extensions/string_extensions.dart';
+import 'package:selfprivacy/utils/network_utils.dart';
 import 'package:selfprivacy/utils/password_generator.dart';
 
 class DigitalOceanApi extends ServerProviderApi with VolumeProviderApi {
@@ -325,23 +326,6 @@ class DigitalOceanApi extends ServerProviderApi with VolumeProviderApi {
     return success;
   }
 
-  static String getHostnameFromDomain(final String domain) {
-    // Replace all non-alphanumeric characters with an underscore
-    String hostname =
-        domain.split('.')[0].replaceAll(RegExp(r'[^a-zA-Z0-9]'), '-');
-    if (hostname.endsWith('-')) {
-      hostname = hostname.substring(0, hostname.length - 1);
-    }
-    if (hostname.startsWith('-')) {
-      hostname = hostname.substring(1);
-    }
-    if (hostname.isEmpty) {
-      hostname = 'selfprivacy-server';
-    }
-
-    return hostname;
-  }
-
   @override
   Future<APIGenericResult<ServerHostingDetails?>> createServer({
     required final String dnsApiToken,
@@ -436,11 +420,12 @@ class DigitalOceanApi extends ServerProviderApi with VolumeProviderApi {
   }) async {
     final Dio client = await getClient();
 
+    final String hostname = getHostnameFromDomain(domainName);
     final servers = await getServers();
     final ServerBasicInfo serverToRemove;
     try {
       serverToRemove = servers.firstWhere(
-        (final el) => el.name == domainName,
+        (final el) => el.name == hostname,
       );
     } catch (e) {
       print(e);
@@ -473,7 +458,7 @@ class DigitalOceanApi extends ServerProviderApi with VolumeProviderApi {
 
     try {
       laterFutures.add(deleteVolume(volumeToRemove));
-      laterFutures.add(client.delete('/droplets/$serverToRemove.id'));
+      laterFutures.add(client.delete('/droplets/${serverToRemove.id}'));
       await Future.wait(laterFutures);
     } catch (e) {
       print(e);

lib/logic/api_maps/rest_maps/server_providers/hetzner/hetzner.dart

@@ -19,6 +19,7 @@ import 'package:selfprivacy/logic/models/server_metadata.dart';
 import 'package:selfprivacy/logic/models/server_provider_location.dart';
 import 'package:selfprivacy/logic/models/server_type.dart';
 import 'package:selfprivacy/utils/extensions/string_extensions.dart';
+import 'package:selfprivacy/utils/network_utils.dart';
 import 'package:selfprivacy/utils/password_generator.dart';
 
 class HetznerApi extends ServerProviderApi with VolumeProviderApi {
@@ -461,23 +462,6 @@ class HetznerApi extends ServerProviderApi with VolumeProviderApi {
     );
   }
 
-  static String getHostnameFromDomain(final String domain) {
-    // Replace all non-alphanumeric characters with an underscore
-    String hostname =
-        domain.split('.')[0].replaceAll(RegExp(r'[^a-zA-Z0-9]'), '-');
-    if (hostname.endsWith('-')) {
-      hostname = hostname.substring(0, hostname.length - 1);
-    }
-    if (hostname.startsWith('-')) {
-      hostname = hostname.substring(1);
-    }
-    if (hostname.isEmpty) {
-      hostname = 'selfprivacy-server';
-    }
-
-    return hostname;
-  }
-
   @override
   Future<APIGenericResult<bool>> deleteServer({
     required final String domainName,

lib/utils/network_utils.dart

@@ -133,3 +133,20 @@ DnsRecord? extractDkimRecord(final List<DnsRecord> records) {
 
   return dkimRecord;
 }
+
+String getHostnameFromDomain(final String domain) {
+  // Replace all non-alphanumeric characters with an underscore
+  String hostname =
+      domain.split('.')[0].replaceAll(RegExp(r'[^a-zA-Z0-9]'), '-');
+  if (hostname.endsWith('-')) {
+    hostname = hostname.substring(0, hostname.length - 1);
+  }
+  if (hostname.startsWith('-')) {
+    hostname = hostname.substring(1);
+  }
+  if (hostname.isEmpty) {
+    hostname = 'selfprivacy-server';
+  }
+
+  return hostname;
+}