ontime/apps/server/src/api-data/sheets/sheets.middleware.ts

import { Request } from 'express';
import multer, { FileFilterCallback } from 'multer';

import { storage } from '../../utils/upload.js';

const filterClientSecret = (_req: Request, file: Express.Multer.File, cb: FileFilterCallback) => {
  if (file.mimetype.includes('application/json')) {
    cb(null, true);
  } else {
    cb(null, false);
  }
};

export const uploadClientSecret = multer({
  storage,
  fileFilter: filterClientSecret,
}).single('client_secret');