wkr-util/esm/validators/validateUploadedFile.js

Utility library for wkr project.

import fs from 'fs'
import {messageObj, simpleValidationResult} from '@cullylarson/validate'

module.exports = (value) => {
    if(!value) {
        return Promise.resolve(simpleValidationResult(messageObj('no-file', 'Please upload a file.')))
    }

    if(!value.size) {
        return Promise.resolve(simpleValidationResult(messageObj('file-empty', 'The file you have provided is empty.')))
    }

    if(!value.path) {
        return Promise.resolve(simpleValidationResult(messageObj('upload-error', 'Something went wrong and your file was not uploaded.')))
    }

    return new Promise((resolve, reject) => {
        fs.access(value.path, fs.R_OK, (err) => {
            if(err) return resolve(simpleValidationResult(messageObj('not-readable', 'Something went wrong and your file could not be read.')))

            return resolve(simpleValidationResult())
        })
    })
}