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@Post('file')
  @UseInterceptors(
    FileInterceptor('file', {
      storage: diskStorage({
        destination: 'res/img',
        filename: (req, file, cb) => {
          const randomName = Array(32)
            .fill(null)
            .map(() => Math.round(Math.random() * 16).toString(16))
            .join('');
          cb(null, `${randomName}${extname(file.originalname)}`);
        },
      }),
      //todo file image filter bisa di bikin di utils sementara disini.
      fileFilter: (req, file, cb) => {
        if (file.mimetype.match(/\/(jpg|jpeg|png)$/)) {
          cb(null, true); //* pake regex
        } else {
          cb(
            new HttpException(
              `Unsupported file type ${extname(file.originalname)}`,
              HttpStatus.BAD_REQUEST,
            ),
            false,
          );
        }
      },
    }),
  )
  async uploadHandler(@UploadedFile() file) {
    return file;
  }
}