Рефакторинг

This commit is contained in:
Book Pauk
2019-01-13 16:10:46 +07:00
parent 329b828f1f
commit 81244b75cd

View File

@@ -10,21 +10,27 @@ class FileDownloader {
const response = await got(url, {method: 'HEAD'});
let estSize = 100000;
let estSize = 0;
if (response.headers['content-length']) {
estSize = response.headers['content-length'];
}
let prevProg = 0;
const request = got(url, {encoding: null}).on('downloadProgress', progress => {
if (progress.transferred > maxDownloadSize) {
errMes = 'file too big';
request.cancel();
}
const prog = Math.round(progress.transferred/estSize*100);
if (callback)
callback((prog > 100 ? 100 : prog));
if (prog > 100)
estSize *= 1.5;
let prog = 0;
if (estSize)
prog = Math.round(progress.transferred/estSize*100);
else if (progress.transferred)
prog = Math.round(progress.transferred/(progress.transferred + 100000)*100);
if (prog != prevProg && callback)
callback(prog);
prevProg = prog;
});