util.js

import { Base64 } from 'https://deno.land/x/bb64/mod.ts'

export function saveFile(base64String, userId) {
	const [ metadata, base64Image ] = base64String.split(';base64,')
	// console.log(metadata)
	const extension = metadata.split('/').pop()
	const filename = `${userId}-${Date.now()}.${extension}`
    const filePath = `/uploads/${filename}`
	Base64.fromBase64String(base64Image).toFile(`./public${filePath}`)
	return filePath
}

export function parseQueryString(search) {
	const params = {}
	search.slice(1).split('&').map(item=>{
		const [ key, value ] = item.split('=')
		return {
			key,
			value
		}
	}).forEach(({ key, value }) => {
		params[key] = value
	})
	return params
}

export const transformCommodity = ({onSaleTime, ...rest}) => {
	const date = new Date(onSaleTime)
	const year = date.getFullYear()
	const month = date.getMonth() + 1
	const day = date.getDate()
	return {...rest, onSaleTime: `${year}-${month}-${day}`}
}