# All files / nodejs-homework-API/helpers upload.js

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     const multer = require("multer");
    const path = require("path");
    require("dotenv").config();
    const DIR_UPLOAD = path.join(process.cwd(), process.env.DIR_UPLOAD);

    const storage = multer.diskStorage({
      destination: function (_req, _file, cb) {
        cb(null, DIR_UPLOAD);
      },
      filename: function (_req, file, cb) {
        cb(null, file.originalname);
      },
    });

    const upload = multer({
      storage: storage,
      limits: { fileSize: 2000000 },
      fileFilter: (_req, file, cb) => {
        if (file.mimetype.includes("image")) {
          cb(null, true);
          return;
        }
        cb(null, false);
      },
    });

    module.exports = upload;