115 lines
3.4 KiB
JavaScript
115 lines
3.4 KiB
JavaScript
goog.loadJs('electron', () => {
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goog.require('path');
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goog.require('Mixly.Env');
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goog.require('Mixly.MJson');
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goog.require('Mixly.Electron');
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goog.provide('Mixly.Electron.CloudDownload');
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const {
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Env,
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MJson,
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Electron
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} = Mixly;
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const { CloudDownload } = Electron;
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const fs = Mixly.require('fs');
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const fs_plus = Mixly.require('fs-plus');
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const fs_extra = Mixly.require('fs-extra');
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const node_downloader_helper = Mixly.require('node-downloader-helper');
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CloudDownload.getJson = (url, downloadDir, endFunc) => {
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if (url) {
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CloudDownload.download(url, downloadDir)
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.then((message) => {
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if (message[0]) {
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throw message[0];
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} else {
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let jsonObj = null;
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if (fs_plus.isFileSync(message[1])) {
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let data = fs.readFileSync(message[1], 'utf-8');
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jsonObj = MJson.parse(data);
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}
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if (jsonObj) {
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return jsonObj;
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} else {
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throw('解析失败');
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}
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}
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})
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.then((configObj) => {
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endFunc([null, configObj]);
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})
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.catch((error) => {
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endFunc([error, null]);
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});
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} else {
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endFunc(['url读取出错！', null]);
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}
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}
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CloudDownload.download = (url, downloadDir, options = {}) => {
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return new Promise((resolve, reject) => {
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const DEFAULT_OPTIONS = {
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progress: null,
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end: null,
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error: null
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}
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if (typeof options !== 'object')
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options = DEFAULT_OPTIONS;
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else
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options = { ...DEFAULT_OPTIONS, ...options };
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try {
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fs_extra.ensureDirSync(downloadDir);
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const fileName = path.basename(url);
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const filePath = path.join(downloadDir, './' + fileName);
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if (fs_plus.isFileSync(filePath))
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fs_extra.removeSync(filePath);
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} catch (error) {
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resolve([error, url]);
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return;
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}
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const { DownloaderHelper } = node_downloader_helper;
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const dl = new DownloaderHelper(url, downloadDir, {
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override: true,
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timeout: 15000,
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retry: false
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});
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dl.on('progress', (stats) => {
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if (typeof options.progress === 'function') {
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options.progress(stats);
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}
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});
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dl.on('end', (downloadInfo) => {
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if (typeof options.end === 'function') {
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options.end(downloadInfo);
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}
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resolve([null, downloadInfo.filePath]);
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});
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dl.on('error', (error) => {
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console.log('Download Failed', error);
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if (typeof options.error === 'function') {
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options.error(error);
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}
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resolve([error, url]);
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});
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dl.on('timeout', () => {
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console.log('Download Timeout');
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if (typeof options.timeout === 'function') {
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options.timeout('Download Timeout');
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}
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resolve(['Download Timeout', url]);
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});
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dl.start().catch((error) => {
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console.log('Download Failed', error);
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if (typeof options.error === 'function') {
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options.error(error);
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}
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resolve([error, url]);
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});
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});
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}
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}); |