import multer from 'multer'
import multerS3 from 'multer-s3'
import aws from 'aws-sdk'
import { Request } from 'express'
aws.config.update({	accessKeyId: process.env.AWS_ACCESS_KEY_ID,	secretAccessKey: process.env.AWS_ACCESS_KEY
})
export class Multer {	public static upload = multer({	storage: multerS3({	s3: new aws.S3(),	bucket: process.env.AWS_BUCKET_NAME,	contentType: multerS3.AUTO_CONTENT_TYPE,	serverSideEncryption: 'AES256',	acl: 'public-read',	key: function (request: Request, file: Express.Multer.File, done: any) {	const fileName: string = `${Date.now().toString()} - ${file.originalname}`	done(null, fileName)	}	}),	fileFilter: (req: Request, file: Express.Multer.File, done: any) => {	if (!mimeTypeSupport(file.mimetype)) throw new TypeError('mimetype not supported')	const fileName: string = `${Date.now().toString()} - ${file.originalname}`	done(null, fileName)	}	}).array('upload', 100)
}

const express = require('express')
const multer = require('multer')
const upload = multer({ dest: 'uploads/' })
const app = express()
app.post('/profile', upload.single('avatar'), function (req, res, next) { // req.file is the `avatar` file // req.body will hold the text fields, if there were any
})
app.post('/photos/upload', upload.array('photos', 12), function (req, res, next) { // req.files is array of `photos` files // req.body will contain the text fields, if there were any
})
const cpUpload = upload.fields([{ name: 'avatar', maxCount: 1 }, { name: 'gallery', maxCount: 8 }])
app.post('/cool-profile', cpUpload, function (req, res, next) { // req.files is an object (String -> Array) where fieldname is the key, and the value is array of files // // e.g. // req.files['avatar'][0] -> File // req.files['gallery'] -> Array // // req.body will contain the text fields, if there were any
})