feat(provider): Implement proper load functions for DNS and Server providers

lib/logic/cubit/server_installation/server_installation_repository.dart

@@ -57,6 +57,7 @@ class ServerInstallationRepository {
       ProvidersController.initServerProvider(
         ServerProviderSettings(
           provider: serverProvider ?? serverDetails!.provider,
+          isAuthorized: providerApiToken != null,
           location: location,
         ),
       );
@@ -67,6 +68,7 @@ class ServerInstallationRepository {
             serverDomain.provider != DnsProviderType.unknown)) {
       ProvidersController.initDnsProvider(
         DnsProviderSettings(
+          isAuthorized: dnsApiToken != null,
           provider: dnsProvider ?? serverDomain!.provider,
         ),
       );

lib/logic/providers/dns_providers/dns_provider_factory.dart

@@ -16,11 +16,23 @@ class DnsProviderFactory {
   ) {
     switch (settings.provider) {
       case DnsProviderType.cloudflare:
-        return CloudflareDnsProvider();
+        return settings.isAuthorized
+            ? CloudflareDnsProvider.load(
+                settings.isAuthorized,
+              )
+            : CloudflareDnsProvider();
       case DnsProviderType.digitalOcean:
-        return DigitalOceanDnsProvider();
+        return settings.isAuthorized
+            ? DigitalOceanDnsProvider.load(
+                settings.isAuthorized,
+              )
+            : DigitalOceanDnsProvider();
       case DnsProviderType.desec:
-        return DesecDnsProvider();
+        return settings.isAuthorized
+            ? DesecDnsProvider.load(
+                settings.isAuthorized,
+              )
+            : DesecDnsProvider();
       case DnsProviderType.unknown:
         throw UnknownProviderException('Unknown server provider');
     }

lib/logic/providers/provider_settings.dart

@@ -4,9 +4,11 @@ import 'package:selfprivacy/logic/models/hive/server_domain.dart';
 class ServerProviderSettings {
   ServerProviderSettings({
     required this.provider,
+    this.isAuthorized = false,
     this.location,
   });
 
+  final bool isAuthorized;
   final ServerProviderType provider;
   final String? location;
 }
@@ -14,7 +16,9 @@ class ServerProviderSettings {
 class DnsProviderSettings {
   DnsProviderSettings({
     required this.provider,
+    this.isAuthorized = false,
   });
 
+  final bool isAuthorized;
   final DnsProviderType provider;
 }

lib/logic/providers/server_providers/digital_ocean.dart

@@ -37,11 +37,11 @@ class ApiAdapter {
 class DigitalOceanServerProvider extends ServerProvider {
   DigitalOceanServerProvider() : _adapter = ApiAdapter();
   DigitalOceanServerProvider.load(
-    final ServerType serverType,
+    final String? location,
     final bool isAuthotized,
   ) : _adapter = ApiAdapter(
           isWithToken: isAuthotized,
-          region: serverType.location.identifier,
+          region: location,
         );
 
   ApiAdapter _adapter;

lib/logic/providers/server_providers/hetzner.dart

@@ -37,11 +37,11 @@ class ApiAdapter {
 class HetznerServerProvider extends ServerProvider {
   HetznerServerProvider() : _adapter = ApiAdapter();
   HetznerServerProvider.load(
-    final ServerType serverType,
+    final String? location,
     final bool isAuthotized,
   ) : _adapter = ApiAdapter(
           isWithToken: isAuthotized,
-          region: serverType.location.identifier,
+          region: location,
         );
 
   ApiAdapter _adapter;

lib/logic/providers/server_providers/server_provider_factory.dart

@@ -15,9 +15,19 @@ class ServerProviderFactory {
   ) {
     switch (settings.provider) {
       case ServerProviderType.hetzner:
-        return HetznerServerProvider();
+        return settings.isAuthorized
+            ? HetznerServerProvider.load(
+                settings.location,
+                settings.isAuthorized,
+              )
+            : HetznerServerProvider();
       case ServerProviderType.digitalOcean:
-        return DigitalOceanServerProvider();
+        return settings.isAuthorized
+            ? DigitalOceanServerProvider.load(
+                settings.location,
+                settings.isAuthorized,
+              )
+            : DigitalOceanServerProvider();
       case ServerProviderType.unknown:
         throw UnknownProviderException('Unknown server provider');
     }