refactor: split into database backup controller

server/src/services/database-backup.service.ts

@@ -0,0 +1,50 @@
+import { BadRequestException, Injectable } from '@nestjs/common';
+import { basename, join } from 'node:path';
+import { StorageCore } from 'src/cores/storage.core';
+import { CacheControl, StorageFolder } from 'src/enum';
+import { BaseService } from 'src/services/base.service';
+import { deleteBackup, isValidBackupName, listBackups, uploadBackup } from 'src/utils/backups';
+import { ImmichFileResponse } from 'src/utils/file';
+
+/**
+ * This service is available outside of maintenance mode to manage maintenance mode
+ */
+@Injectable()
+export class DatabaseBackupService extends BaseService {
+  async listBackups(): Promise<{ backups: string[] }> {
+    return { backups: await listBackups(this.backupRepos) };
+  }
+
+  async deleteBackup(filename: string): Promise<void> {
+    return deleteBackup(this.backupRepos, basename(filename));
+  }
+
+  async uploadBackup(file: Express.Multer.File): Promise<void> {
+    return uploadBackup(this.backupRepos, file);
+  }
+
+  downloadBackup(fileName: string): ImmichFileResponse {
+    if (!isValidBackupName(fileName)) {
+      throw new BadRequestException('Invalid backup name!');
+    }
+
+    const path = join(StorageCore.getBaseFolder(StorageFolder.Backups), fileName);
+
+    return {
+      path,
+      fileName,
+      cacheControl: CacheControl.PrivateWithoutCache,
+      contentType: fileName.endsWith('.gz') ? 'application/gzip' : 'application/sql',
+    };
+  }
+
+  private get backupRepos() {
+    return {
+      logger: this.logger,
+      storage: this.storageRepository,
+      config: this.configRepository,
+      process: this.processRepository,
+      database: this.databaseRepository,
+    };
+  }
+}