spee.ch/server/utils/awaitFileSize.js
2019-04-18 11:51:21 -04:00

30 lines
907 B
JavaScript

const { getFileListFileByOutpoint } = require('server/lbrynet');
const logger = require('winston');
function delay(t) {
return new Promise(function(resolve) {
setTimeout(resolve, t);
});
}
const awaitFileSize = (outpoint, size, interval, timeout) => {
logger.debug('awaitFileSize');
let start = Date.now();
function checkFileList() {
logger.debug('checkFileList');
return getFileListFileByOutpoint(outpoint).then(result => {
logger.debug('File List Result', result);
if (result[0]['completed'] === true || result[0]['written_bytes'] > size) {
logger.debug('FILE READY');
return 'ready';
} else if (timeout !== 0 && Date.now() - start > timeout) {
throw new Error('Timeout on awaitFileSize');
} else {
return delay(interval).then(checkFileList);
}
});
}
return checkFileList();
};
module.exports = awaitFileSize;