import * as os from 'os'; import * as nodePath from 'path'; import downloadUrlContents from './downloadUrlContents'; import downloadWithCurl from './downloadWithCurl'; import checkLocalCache from './funcs/checkLocalCache'; import createDirRecursively from './funcs/createDirRecursively'; /** Downloads the given URL and saves it to disk. Returns the location where file is saved under. Throws error if download fails. */ export default function downloadWrapper({ host, path, size, useCurl = false }: {host: string, path: string, size: number, useCurl: boolean}): Promise { return new Promise((resolve, reject) => { //Generate file name we want to save it under //e.g. on Linux: /tmp/patcher/patch/assets_swtor_main/assets_swtor_main_-1to0/assets_swtor_main_-1to0.zip const tempFileName = nodePath.join(os.tmpdir(), 'patcher', host, path); //Create parent directory recursively const folderName = nodePath.dirname(tempFileName); createDirRecursively(folderName).then(() => { //Check if file already exists locally checkLocalCache(tempFileName, size).then((cacheStatus) => { if (cacheStatus) { return resolve(tempFileName); } if (useCurl) { downloadWithCurl({ host, path, tempFileName, size, resolve, reject }); } else { downloadUrlContents(host, path, tempFileName, resolve, reject); } }); }); }); }