79 lines
2.2 KiB
JavaScript
79 lines
2.2 KiB
JavaScript
/* jslint node: true */
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'use strict';
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const FileEntry = require('./file_entry.js');
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// deps
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const { partition } = require('lodash');
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module.exports = class DownloadQueue {
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constructor(client) {
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this.client = client;
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if(!Array.isArray(this.client.user.downloadQueue)) {
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if(this.client.user.properties.dl_queue) {
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this.loadFromProperty(this.client.user.properties.dl_queue);
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} else {
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this.client.user.downloadQueue = [];
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}
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}
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}
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get items() {
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return this.client.user.downloadQueue;
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}
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clear() {
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this.client.user.downloadQueue = [];
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}
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toggle(fileEntry, systemFile=false) {
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if(this.isQueued(fileEntry)) {
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this.client.user.downloadQueue = this.client.user.downloadQueue.filter(e => fileEntry.fileId !== e.fileId);
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} else {
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this.add(fileEntry, systemFile);
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}
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}
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add(fileEntry, systemFile=false) {
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this.client.user.downloadQueue.push({
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fileId : fileEntry.fileId,
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areaTag : fileEntry.areaTag,
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fileName : fileEntry.fileName,
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path : fileEntry.filePath,
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byteSize : fileEntry.meta.byte_size || 0,
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systemFile : systemFile,
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});
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}
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removeItems(fileIds) {
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if(!Array.isArray(fileIds)) {
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fileIds = [ fileIds ];
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}
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const [ remain, removed ] = partition(this.client.user.downloadQueue, e => ( -1 === fileIds.indexOf(e.fileId) ));
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this.client.user.downloadQueue = remain;
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return removed;
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}
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isQueued(entryOrId) {
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if(entryOrId instanceof FileEntry) {
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entryOrId = entryOrId.fileId;
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}
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return this.client.user.downloadQueue.find(e => entryOrId === e.fileId) ? true : false;
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}
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toProperty() { return JSON.stringify(this.client.user.downloadQueue); }
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loadFromProperty(prop) {
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try {
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this.client.user.downloadQueue = JSON.parse(prop);
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} catch(e) {
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this.client.user.downloadQueue = [];
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this.client.log.error( { error : e.message, property : prop }, 'Failed parsing download queue property');
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}
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}
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};
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