FilesystemBackend: Ensure uploads directory exists

Signed-off-by: David Mehren <git@herrmehren.de>

src/media/backends/filesystem-backend.ts

@@ -7,33 +7,43 @@ import { BackendData } from '../media-upload.entity';
 
 @Injectable()
 export class FilesystemBackend implements MediaBackend {
+  // TODO: Get uploads directory from config
+  uploadDirectory = './uploads';
+
   constructor(private readonly logger: ConsoleLoggerService) {
     this.logger.setContext(FilesystemBackend.name);
   }
 
+  private getFilePath(fileName: string): string {
+    return join(this.uploadDirectory, fileName);
+  }
+
+  private async ensureDirectory() {
+    try {
+      await fs.access(this.uploadDirectory);
+    } catch (e) {
+      await fs.mkdir(this.uploadDirectory);
+    }
+  }
+
   async saveFile(
     buffer: Buffer,
     fileName: string,
   ): Promise<[string, BackendData]> {
-    const filePath = FilesystemBackend.getFilePath(fileName);
+    const filePath = this.getFilePath(fileName);
     this.logger.debug(`Writing file to: ${filePath}`, 'saveFile');
+    await this.ensureDirectory();
     await fs.writeFile(filePath, buffer, null);
     return ['/' + filePath, null];
   }
 
   async deleteFile(fileName: string, _: BackendData): Promise<void> {
-    return fs.unlink(FilesystemBackend.getFilePath(fileName));
+    return fs.unlink(this.getFilePath(fileName));
   }
 
   getFileURL(fileName: string, _: BackendData): Promise<string> {
-    const filePath = FilesystemBackend.getFilePath(fileName);
+    const filePath = this.getFilePath(fileName);
     // TODO: Add server address to url
     return Promise.resolve('/' + filePath);
   }
-
-  private static getFilePath(fileName: string): string {
-    // TODO: Get uploads directory from config
-    const uploadDirectory = './uploads';
-    return join(uploadDirectory, fileName);
-  }
 }