fix(digital-ocean): Change /locations to /regions and fix tokens validation

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

@@ -195,7 +195,9 @@ class DigitalOceanApi extends ServerProviderApi with VolumeProviderApi {
 
   @override
   Future<bool> attachVolume(
-      final ServerVolume volume, final int serverId) async {
+    final ServerVolume volume,
+    final int serverId,
+  ) async {
     bool success = false;
 
     final Response dbPostResponse;
@@ -518,10 +520,10 @@ class DigitalOceanApi extends ServerProviderApi with VolumeProviderApi {
     final Dio client = await getClient();
     try {
       final Response response = await client.get(
-        '/locations',
+        '/regions',
       );
 
-      locations = response.data!['locations'].map<ServerProviderLocation>(
+      locations = response.data!['regions'].map<ServerProviderLocation>(
         (final location) => ServerProviderLocation(
           title: location['slug'],
           description: location['name'],
@@ -586,4 +588,11 @@ class DigitalOceanApi extends ServerProviderApi with VolumeProviderApi {
   }) async {
     /// TODO remove from provider interface
   }
+
+  @override
+  ProviderApiTokenValidation getApiTokenValidation() =>
+      ProviderApiTokenValidation(
+        regexp: RegExp(r'\s+|[-!$%^&*()@+|~=`{}\[\]:<>?,.\/]'),
+        length: 71,
+      );
 }

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

@@ -81,8 +81,11 @@ class HetznerApi extends ServerProviderApi with VolumeProviderApi {
   }
 
   @override
-  RegExp getApiTokenValidation() =>
+  ProviderApiTokenValidation getApiTokenValidation() =>
-      RegExp(r'\s+|[-!$%^&*()@+|~=`{}\[\]:<>?,.\/]');
+      ProviderApiTokenValidation(
+        regexp: RegExp(r'\s+|[-!$%^&*()@+|~=`{}\[\]:<>?,.\/]'),
+        length: 64,
+      );
 
   @override
   Future<Price?> getPricePerGb() async {

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

@@ -6,6 +6,15 @@ import 'package:selfprivacy/logic/models/server_basic_info.dart';
 import 'package:selfprivacy/logic/models/server_provider_location.dart';
 import 'package:selfprivacy/logic/models/server_type.dart';
 
+class ProviderApiTokenValidation {
+  ProviderApiTokenValidation({
+    required this.length,
+    required this.regexp,
+  });
+  final int length;
+  final RegExp regexp;
+}
+
 abstract class ServerProviderApi extends ApiMap {
   Future<List<ServerBasicInfo>> getServers();
   Future<List<ServerProviderLocation>> getAvailableLocations();
@@ -29,7 +38,5 @@ abstract class ServerProviderApi extends ApiMap {
   });
 
   Future<bool> isApiTokenValid(final String token);
-  RegExp getApiTokenValidation() => RegExp(
+  ProviderApiTokenValidation getApiTokenValidation();
-        r'\s+|[-!$%^&*()@+|~=`{}\[\]:<>?,.\/]',
-      );
 }

lib/logic/cubit/forms/setup/initializing/provider_form_cubit.dart

@@ -7,11 +7,13 @@ import 'package:selfprivacy/logic/cubit/forms/validations/validations.dart';
 
 class ProviderFormCubit extends FormCubit {
   ProviderFormCubit(this.serverInstallationCubit) {
+    //final int tokenLength =
+    //    serverInstallationCubit.serverProviderApiTokenValidation().length;
     apiKey = FieldCubit(
       initalValue: '',
       validations: [
         RequiredStringValidation('validations.required'.tr()),
-        LengthStringNotEqualValidation(64)
+        //LengthStringNotEqualValidation(tokenLength),
       ],
     );
 

lib/logic/cubit/server_installation/server_installation_cubit.dart

@@ -7,6 +7,7 @@ import 'package:selfprivacy/config/get_it_config.dart';
 import 'package:selfprivacy/logic/api_maps/rest_maps/api_factory_creator.dart';
 import 'package:selfprivacy/logic/api_maps/rest_maps/api_factory_settings.dart';
 import 'package:selfprivacy/logic/api_maps/rest_maps/dns_providers/dns_provider_api_settings.dart';
+import 'package:selfprivacy/logic/api_maps/rest_maps/server_providers/server_provider.dart';
 import 'package:selfprivacy/logic/api_maps/rest_maps/server_providers/server_provider_api_settings.dart';
 import 'package:selfprivacy/logic/models/hive/backblaze_credential.dart';
 import 'package:selfprivacy/logic/models/hive/server_details.dart';
@@ -65,7 +66,7 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
     );
   }
 
-  RegExp getServerProviderApiTokenValidation() =>
+  ProviderApiTokenValidation serverProviderApiTokenValidation() =>
       repository.serverProviderApiFactory!
           .getServerProvider()
           .getApiTokenValidation();