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import * as Bluebird from 'bluebird'
import { createWriteStream } from 'fs-extra'
import * as request from 'request'
import { ACTIVITY_PUB } from '../initializers'
import { processImage } from './image-utils'
import { extname } from 'path'
function doRequest <T> (
requestOptions: request.CoreOptions & request.UriOptions & { activityPub?: boolean }
): Bluebird<{ response: request.RequestResponse, body: any }> {
if (requestOptions.activityPub === true) {
if (!Array.isArray(requestOptions.headers)) requestOptions.headers = {}
requestOptions.headers['accept'] = ACTIVITY_PUB.ACCEPT_HEADER
}
return new Bluebird<{ response: request.RequestResponse, body: T }>((res, rej) => {
request(requestOptions, (err, response, body) => err ? rej(err) : res({ response, body }))
})
}
function doRequestAndSaveToFile (requestOptions: request.CoreOptions & request.UriOptions, destPath: string) {
return new Bluebird<void>((res, rej) => {
const file = createWriteStream(destPath)
file.on('finish', () => res())
request(requestOptions)
.on('error', err => rej(err))
.pipe(file)
})
}
async function downloadImage (url: string, destPath: string, size: { width: number, height: number }) {
const tmpPath = destPath + '.tmp' + extname(destPath)
await doRequestAndSaveToFile({ method: 'GET', uri: url }, tmpPath)
await processImage({ path: tmpPath }, destPath, size)
}
// ---------------------------------------------------------------------------
export {
doRequest,
doRequestAndSaveToFile,
downloadImage
}
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