Merge pull request 'volumes-hetzner' (#97) from volumes-hetzner into develop

Reviewed-on: https://git.selfprivacy.org/kherel/selfprivacy.org.app/pulls/97

lib/logic/api_maps/hetzner.dart

@@ -56,24 +56,174 @@ class HetznerApi extends ApiMap {
     }
   }
 
-  Future<ServerVolume> createVolume() async {
+  Future<ServerVolume?> createVolume() async {
+    ServerVolume? volume;
+
+    final Response dbCreateResponse;
     final Dio client = await getClient();
-    final Response dbCreateResponse = await client.post(
-      '/volumes',
-      data: {
-        'size': 10,
-        'name': StringGenerators.dbStorageName(),
-        'labels': {'labelkey': 'value'},
-        'location': 'fsn1',
-        'automount': false,
-        'format': 'ext4'
-      },
-    );
-    final dbId = dbCreateResponse.data['volume']['id'];
-    return ServerVolume(
-      id: dbId,
-      name: dbCreateResponse.data['volume']['name'],
-    );
+    try {
+      dbCreateResponse = await client.post(
+        '/volumes',
+        data: {
+          'size': 10,
+          'name': StringGenerators.dbStorageName(),
+          'labels': {'labelkey': 'value'},
+          'location': 'fsn1',
+          'automount': false,
+          'format': 'ext4'
+        },
+      );
+      final dbId = dbCreateResponse.data['volume']['id'];
+      final dbSize = dbCreateResponse.data['volume']['size'];
+      final dbServer = dbCreateResponse.data['volume']['server'];
+      final dbName = dbCreateResponse.data['volume']['name'];
+      volume = ServerVolume(
+        id: dbId,
+        name: dbName,
+        sizeByte: dbSize,
+        serverId: dbServer,
+      );
+    } catch (e) {
+      print(e);
+    } finally {
+      client.close();
+    }
+
+    return volume;
+  }
+
+  Future<List<ServerVolume>> getVolumes({final String? status}) async {
+    final List<ServerVolume> volumes = [];
+
+    final Response dbGetResponse;
+    final Dio client = await getClient();
+    try {
+      dbGetResponse = await client.get(
+        '/volumes',
+        queryParameters: {
+          'status': status,
+        },
+      );
+      final List<dynamic> rawVolumes = dbGetResponse.data['volumes'];
+      for (final rawVolume in rawVolumes) {
+        final int dbId = rawVolume['id'];
+        final int dbSize = rawVolume['size'];
+        final dbServer = rawVolume['server'];
+        final String dbName = rawVolume['name'];
+        final volume = ServerVolume(
+          id: dbId,
+          name: dbName,
+          sizeByte: dbSize,
+          serverId: dbServer,
+        );
+        volumes.add(volume);
+      }
+    } catch (e) {
+      print(e);
+    } finally {
+      client.close();
+    }
+
+    return volumes;
+  }
+
+  Future<ServerVolume?> getVolume(final int id) async {
+    ServerVolume? volume;
+
+    final Response dbGetResponse;
+    final Dio client = await getClient();
+    try {
+      dbGetResponse = await client.get('/volumes/$id');
+      final int dbId = dbGetResponse.data['volume']['id'];
+      final int dbSize = dbGetResponse.data['volume']['size'];
+      final int dbServer = dbGetResponse.data['volume']['server'];
+      final String dbName = dbGetResponse.data['volume']['name'];
+      volume = ServerVolume(
+        id: dbId,
+        name: dbName,
+        sizeByte: dbSize,
+        serverId: dbServer,
+      );
+    } catch (e) {
+      print(e);
+    } finally {
+      client.close();
+    }
+
+    return volume;
+  }
+
+  void deleteVolume(final int id) async {
+    final Dio client = await getClient();
+    try {
+      await client.delete('/volumes/$id');
+    } catch (e) {
+      print(e);
+    } finally {
+      client.close();
+    }
+  }
+
+  Future<bool> attachVolume(final int volumeId, final int serverId) async {
+    bool success = false;
+
+    final Response dbPostResponse;
+    final Dio client = await getClient();
+    try {
+      dbPostResponse = await client.post(
+        '/volumes/$volumeId/actions/attach',
+        data: {
+          'automount': true,
+          'server': serverId,
+        },
+      );
+      success = dbPostResponse.data['action']['status'].toString() != 'error';
+    } catch (e) {
+      print(e);
+    } finally {
+      client.close();
+    }
+
+    return success;
+  }
+
+  Future<bool> detachVolume(final int volumeId) async {
+    bool success = false;
+
+    final Response dbPostResponse;
+    final Dio client = await getClient();
+    try {
+      dbPostResponse = await client.post('/volumes/$volumeId/actions/detach');
+      success = dbPostResponse.data['action']['status'].toString() != 'error';
+    } catch (e) {
+      print(e);
+    } finally {
+      client.close();
+    }
+
+    return success;
+  }
+
+  Future<bool> resizeVolume(final int volumeId, final int sizeGb) async {
+    bool success = false;
+
+    final Response dbPostResponse;
+    final Dio client = await getClient();
+    try {
+      dbPostResponse = await client.post(
+        '/volumes/$volumeId/actions/resize',
+        data: {
+          'size': sizeGb,
+        },
+      );
+      success = dbPostResponse.data['action']['status'].toString() != 'error';
+    } catch (e) {
+      print(e);
+    } finally {
+      client.close();
+    }
+
+    return success;
   }
 
   Future<ServerHostingDetails?> createServer({

lib/logic/cubit/devices/devices_cubit.dart

@@ -16,17 +16,16 @@ class ApiDevicesCubit
   @override
   void load() async {
     if (serverInstallationCubit.state is ServerInstallationFinished) {
-      final List<ApiToken>? devices = await _getApiTokens();
-      if (devices != null) {
-        emit(ApiDevicesState(devices, LoadingStatus.success));
-      } else {
-        emit(const ApiDevicesState([], LoadingStatus.error));
-      }
+      _refetch();
     }
   }
 
   Future<void> refresh() async {
     emit(const ApiDevicesState([], LoadingStatus.refreshing));
+    _refetch();
+  }
+
+  void _refetch() async {
     final List<ApiToken>? devices = await _getApiTokens();
     if (devices != null) {
       emit(ApiDevicesState(devices, LoadingStatus.success));

lib/logic/cubit/server_installation/server_installation_cubit.dart

@@ -491,6 +491,8 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
       volume: ServerVolume(
         id: server.volumeId,
         name: 'recovered_volume',
+        sizeByte: 0,
+        serverId: server.id,
       ),
       apiToken: dataState.serverDetails!.apiToken,
       provider: ServerProvider.hetzner,

lib/logic/cubit/server_installation/server_installation_repository.dart

@@ -212,7 +212,13 @@ class ServerInstallationRepository {
     late ServerVolume dataBase;
 
     try {
-      dataBase = await hetznerApi.createVolume();
+      final ServerVolume? createdVolume = await hetznerApi.createVolume();
+      if (createdVolume == null) {
+        print('Volume is not created!');
+        return;
+      }
+
+      dataBase = createdVolume;
 
       final ServerHostingDetails? serverDetails = await hetznerApi.createServer(
         cloudFlareKey: cloudFlareKey,
@@ -220,6 +226,7 @@ class ServerInstallationRepository {
         domainName: domainName,
         dataBase: dataBase,
       );
+
       if (serverDetails == null) {
         print('Server is not initialized!');
         return;
@@ -444,6 +451,8 @@ class ServerInstallationRepository {
         volume: ServerVolume(
           id: 0,
           name: '',
+          sizeByte: 0,
+          serverId: 0,
         ),
         provider: ServerProvider.unknown,
         id: 0,
@@ -478,6 +487,8 @@ class ServerInstallationRepository {
         volume: ServerVolume(
           id: 0,
           name: '',
+          sizeByte: 0,
+          serverId: 0,
         ),
         provider: ServerProvider.unknown,
         id: 0,
@@ -512,6 +523,8 @@ class ServerInstallationRepository {
           volume: ServerVolume(
             id: 0,
             name: '',
+            serverId: 0,
+            sizeByte: 0,
           ),
           provider: ServerProvider.unknown,
           id: 0,
@@ -537,6 +550,8 @@ class ServerInstallationRepository {
         volume: ServerVolume(
           id: 0,
           name: '',
+          sizeByte: 0,
+          serverId: 0,
         ),
         provider: ServerProvider.unknown,
         id: 0,

lib/logic/cubit/volumes/volumes_cubit.dart

@@ -0,0 +1,70 @@
+import 'package:selfprivacy/config/get_it_config.dart';
+import 'package:selfprivacy/logic/api_maps/hetzner.dart';
+import 'package:selfprivacy/logic/api_maps/server.dart';
+import 'package:selfprivacy/logic/common_enum/common_enum.dart';
+import 'package:selfprivacy/logic/cubit/app_config_dependent/authentication_dependend_cubit.dart';
+import 'package:selfprivacy/logic/models/hive/server_details.dart';
+
+part 'volumes_state.dart';
+
+class ApiVolumesCubit
+    extends ServerInstallationDependendCubit<ApiVolumesState> {
+  ApiVolumesCubit(final ServerInstallationCubit serverInstallationCubit)
+      : super(serverInstallationCubit, const ApiVolumesState.initial());
+
+  final ServerApi api = ServerApi();
+
+  @override
+  void load() async {
+    if (serverInstallationCubit.state is ServerInstallationFinished) {
+      _refetch();
+    }
+  }
+
+  void refresh() async {
+    emit(const ApiVolumesState([], LoadingStatus.refreshing));
+    _refetch();
+  }
+
+  void _refetch() async {
+    final List<ServerVolume> volumes = await HetznerApi().getVolumes();
+    if (volumes.isNotEmpty) {
+      emit(ApiVolumesState(volumes, LoadingStatus.success));
+    } else {
+      emit(const ApiVolumesState([], LoadingStatus.error));
+    }
+  }
+
+  void attachVolume(final ServerVolume volume) async {
+    final ServerHostingDetails server = getIt<ApiConfigModel>().serverDetails!;
+    HetznerApi().attachVolume(volume.id, server.id);
+    refresh();
+  }
+
+  void detachVolume(final ServerVolume volume) async {
+    HetznerApi().detachVolume(volume.id);
+    refresh();
+  }
+
+  void resizeVolume(final ServerVolume volume, final int newSizeGb) {
+    if (volume.sizeByte < newSizeGb) {
+      HetznerApi().resizeVolume(volume.id, newSizeGb);
+      refresh();
+    }
+  }
+
+  void createVolume() async {
+    HetznerApi().createVolume();
+    refresh();
+  }
+
+  void deleteVolume(final ServerVolume volume) async {
+    HetznerApi().deleteVolume(volume.id);
+    refresh();
+  }
+
+  @override
+  void clear() {
+    emit(const ApiVolumesState.initial());
+  }
+}

lib/logic/cubit/volumes/volumes_state.dart

@@ -0,0 +1,23 @@
+part of 'volumes_cubit.dart';
+
+class ApiVolumesState extends ServerInstallationDependendState {
+  const ApiVolumesState(this._volumes, this.status);
+
+  const ApiVolumesState.initial() : this(const [], LoadingStatus.uninitialized);
+  final List<ServerVolume> _volumes;
+  final LoadingStatus status;
+
+  List<ServerVolume> get volumes => _volumes;
+
+  ApiVolumesState copyWith({
+    final List<ServerVolume>? volumes,
+    final LoadingStatus? status,
+  }) =>
+      ApiVolumesState(
+        volumes ?? _volumes,
+        status ?? this.status,
+      );
+
+  @override
+  List<Object?> get props => [_volumes];
+}

lib/logic/models/hive/server_details.dart

@@ -55,12 +55,18 @@ class ServerVolume {
   ServerVolume({
     required this.id,
     required this.name,
+    required this.sizeByte,
+    required this.serverId,
   });
 
   @HiveField(1)
   int id;
   @HiveField(2)
   String name;
+  @HiveField(3, defaultValue: 10737418240) // 10 Gb
+  int sizeByte;
+  @HiveField(4, defaultValue: null)
+  int? serverId;
 }
 
 @HiveType(typeId: 101)