mirror of
https://github.com/MichMich/MagicMirror.git
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353 lines
10 KiB
JavaScript
353 lines
10 KiB
JavaScript
/* global Module */
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/* Magic Mirror
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* Module: NewsFeed
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*
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* By Michael Teeuw http://michaelteeuw.nl
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* MIT Licensed.
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*/
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Module.register("newsfeed",{
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// Default module config.
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defaults: {
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feeds: [
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{
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title: "New York Times",
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url: "http://www.nytimes.com/services/xml/rss/nyt/HomePage.xml",
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encoding: "UTF-8" //ISO-8859-1
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}
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],
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showSourceTitle: true,
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showPublishDate: true,
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showDescription: false,
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wrapTitle: true,
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wrapDescription: true,
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hideLoading: false,
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reloadInterval: 5 * 60 * 1000, // every 5 minutes
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updateInterval: 10 * 1000,
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animationSpeed: 2.5 * 1000,
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maxNewsItems: 0, // 0 for unlimited
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ignoreOldItems: false,
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ignoreOlderThan: 24 * 60 * 60 * 1000, // 1 day
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removeStartTags: "",
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removeEndTags: "",
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startTags: [],
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endTags: []
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},
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// Define required scripts.
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getScripts: function() {
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return ["moment.js"];
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},
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// Define required translations.
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getTranslations: function() {
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// The translations for the default modules are defined in the core translation files.
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// Therefor we can just return false. Otherwise we should have returned a dictionary.
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// If you're trying to build your own module including translations, check out the documentation.
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return false;
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},
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// Define start sequence.
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start: function() {
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Log.info("Starting module: " + this.name);
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// Set locale.
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moment.locale(config.language);
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this.newsItems = [];
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this.loaded = false;
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this.activeItem = 0;
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this.registerFeeds();
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},
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// Override socket notification handler.
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socketNotificationReceived: function(notification, payload) {
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if (notification === "NEWS_ITEMS") {
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this.generateFeed(payload);
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if (!this.loaded) {
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this.scheduleUpdateInterval();
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}
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this.loaded = true;
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}
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},
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// Override dom generator.
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getDom: function() {
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var wrapper = document.createElement("div");
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if (this.config.feedUrl) {
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wrapper.className = "small bright";
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wrapper.innerHTML = "The configuration options for the newsfeed module have changed.<br>Please check the documentation.";
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return wrapper;
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}
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if (this.activeItem >= this.newsItems.length) {
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this.activeItem = 0;
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}
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if (this.newsItems.length > 0) {
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// this.config.showFullArticle is a run-time configuration, triggered by optional notifications
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if (!this.config.showFullArticle && (this.config.showSourceTitle || this.config.showPublishDate)) {
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var sourceAndTimestamp = document.createElement("div");
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sourceAndTimestamp.className = "light small dimmed";
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if (this.config.showSourceTitle && this.newsItems[this.activeItem].sourceTitle !== "") {
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sourceAndTimestamp.innerHTML = this.newsItems[this.activeItem].sourceTitle;
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}
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if (this.config.showSourceTitle && this.newsItems[this.activeItem].sourceTitle !== "" && this.config.showPublishDate) {
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sourceAndTimestamp.innerHTML += ", ";
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}
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if (this.config.showPublishDate) {
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sourceAndTimestamp.innerHTML += moment(new Date(this.newsItems[this.activeItem].pubdate)).fromNow();
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}
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if (this.config.showSourceTitle && this.newsItems[this.activeItem].sourceTitle !== "" || this.config.showPublishDate) {
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sourceAndTimestamp.innerHTML += ":";
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}
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wrapper.appendChild(sourceAndTimestamp);
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}
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//Remove selected tags from the beginning of rss feed items (title or description)
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if (this.config.removeStartTags == "title" || this.config.removeStartTags == "both") {
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for (f=0; f<this.config.startTags.length;f++) {
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if (this.newsItems[this.activeItem].title.slice(0,this.config.startTags[f].length) == this.config.startTags[f]) {
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this.newsItems[this.activeItem].title = this.newsItems[this.activeItem].title.slice(this.config.startTags[f].length,this.newsItems[this.activeItem].title.length);
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}
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}
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}
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if (this.config.removeStartTags == "description" || this.config.removeStartTags == "both") {
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if (this.config.showDescription) {
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for (f=0; f<this.config.startTags.length;f++) {
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if (this.newsItems[this.activeItem].description.slice(0,this.config.startTags[f].length) == this.config.startTags[f]) {
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this.newsItems[this.activeItem].title = this.newsItems[this.activeItem].description.slice(this.config.startTags[f].length,this.newsItems[this.activeItem].description.length);
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}
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}
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}
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}
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//Remove selected tags from the end of rss feed items (title or description)
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if (this.config.removeEndTags) {
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for (f=0; f<this.config.endTags.length;f++) {
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if (this.newsItems[this.activeItem].title.slice(-this.config.endTags[f].length)==this.config.endTags[f]) {
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this.newsItems[this.activeItem].title = this.newsItems[this.activeItem].title.slice(0,-this.config.endTags[f].length);
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}
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}
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if (this.config.showDescription) {
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for (f=0; f<this.config.endTags.length;f++) {
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if (this.newsItems[this.activeItem].description.slice(-this.config.endTags[f].length)==this.config.endTags[f]) {
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this.newsItems[this.activeItem].description = this.newsItems[this.activeItem].description.slice(0,-this.config.endTags[f].length);
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}
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}
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}
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}
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if(!this.config.showFullArticle){
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var title = document.createElement("div");
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title.className = "bright medium light" + (!this.config.wrapTitle ? " no-wrap" : "");
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title.innerHTML = this.newsItems[this.activeItem].title;
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wrapper.appendChild(title);
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}
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if (this.config.showDescription) {
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var description = document.createElement("div");
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description.className = "small light" + (!this.config.wrapDescription ? " no-wrap" : "");
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description.innerHTML = this.newsItems[this.activeItem].description;
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wrapper.appendChild(description);
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}
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if (this.config.showFullArticle) {
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var fullArticle = document.createElement("iframe");
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fullArticle.className = "";
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fullArticle.style.width = "100%";
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fullArticle.style.top = "0";
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fullArticle.style.left = "0";
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fullArticle.style.position = "fixed";
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fullArticle.height = window.innerHeight;
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fullArticle.style.border = "none";
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fullArticle.src = this.newsItems[this.activeItem].url;
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wrapper.appendChild(fullArticle);
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}
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if (this.config.hideLoading) {
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this.show();
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}
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} else {
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if (this.config.hideLoading) {
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this.hide();
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} else {
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wrapper.innerHTML = this.translate("LOADING");
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wrapper.className = "small dimmed";
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}
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}
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return wrapper;
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},
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/* registerFeeds()
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* registers the feeds to be used by the backend.
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*/
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registerFeeds: function() {
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for (var f in this.config.feeds) {
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var feed = this.config.feeds[f];
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this.sendSocketNotification("ADD_FEED", {
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feed: feed,
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config: this.config
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});
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}
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},
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/* generateFeed()
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* Generate an ordered list of items for this configured module.
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*
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* attribute feeds object - An object with feeds returned by the node helper.
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*/
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generateFeed: function(feeds) {
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var newsItems = [];
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for (var feed in feeds) {
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var feedItems = feeds[feed];
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if (this.subscribedToFeed(feed)) {
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for (var i in feedItems) {
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var item = feedItems[i];
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item.sourceTitle = this.titleForFeed(feed);
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if (!(this.config.ignoreOldItems && ((Date.now() - new Date(item.pubdate)) > this.config.ignoreOlderThan))) {
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newsItems.push(item);
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}
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}
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}
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}
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newsItems.sort(function(a,b) {
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var dateA = new Date(a.pubdate);
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var dateB = new Date(b.pubdate);
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return dateB - dateA;
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});
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if(this.config.maxNewsItems > 0) {
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newsItems = newsItems.slice(0, this.config.maxNewsItems);
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}
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this.newsItems = newsItems;
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},
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/* subscribedToFeed(feedUrl)
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* Check if this module is configured to show this feed.
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*
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* attribute feedUrl string - Url of the feed to check.
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*
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* returns bool
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*/
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subscribedToFeed: function(feedUrl) {
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for (var f in this.config.feeds) {
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var feed = this.config.feeds[f];
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if (feed.url === feedUrl) {
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return true;
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}
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}
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return false;
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},
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/* titleForFeed(feedUrl)
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* Returns title for a specific feed Url.
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*
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* attribute feedUrl string - Url of the feed to check.
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*
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* returns string
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*/
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titleForFeed: function(feedUrl) {
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for (var f in this.config.feeds) {
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var feed = this.config.feeds[f];
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if (feed.url === feedUrl) {
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return feed.title || "";
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}
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}
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return "";
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},
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/* scheduleUpdateInterval()
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* Schedule visual update.
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*/
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scheduleUpdateInterval: function() {
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var self = this;
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self.updateDom(self.config.animationSpeed);
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timer = setInterval(function() {
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self.activeItem++;
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self.updateDom(self.config.animationSpeed);
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}, this.config.updateInterval);
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},
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/* capitalizeFirstLetter(string)
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* Capitalizes the first character of a string.
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*
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* argument string string - Input string.
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*
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* return string - Capitalized output string.
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*/
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capitalizeFirstLetter: function(string) {
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return string.charAt(0).toUpperCase() + string.slice(1);
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},
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resetDescrOrFullArticleAndTimer: function() {
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this.config.showDescription = false;
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this.config.showFullArticle = false;
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if(!timer){
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this.scheduleUpdateInterval();
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}
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},
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notificationReceived: function(notification, payload, sender) {
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Log.info(this.name + " - received notification: " + notification);
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if(notification == "ARTICLE_NEXT"){
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var before = this.activeItem;
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this.activeItem++;
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if (this.activeItem >= this.newsItems.length) {
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this.activeItem = 0;
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}
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this.resetDescrOrFullArticleAndTimer();
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Log.info(this.name + " - going from article #" + before + " to #" + this.activeItem + " (of " + this.newsItems.length + ")");
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this.updateDom(100);
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} else if(notification == "ARTICLE_PREVIOUS"){
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var before = this.activeItem;
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this.activeItem--;
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if (this.activeItem < 0) {
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this.activeItem = this.newsItems.length - 1;
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}
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this.resetDescrOrFullArticleAndTimer();
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Log.info(this.name + " - going from article #" + before + " to #" + this.activeItem + " (of " + this.newsItems.length + ")");
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this.updateDom(100);
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}
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// if "more details" is received the first time: show article summary, on second time show full article
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else if(notification == "ARTICLE_MORE_DETAILS"){
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this.config.showDescription = !this.config.showDescription;
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this.config.showFullArticle = !this.config.showDescription;
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clearInterval(timer);
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timer = null;
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Log.info(this.name + " - showing " + this.config.showDescription ? "article description" : "full article");
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this.updateDom(100);
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} else if(notification == "ARTICLE_LESS_DETAILS"){
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this.resetDescrOrFullArticleAndTimer();
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Log.info(this.name + " - showing only article titles again");
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this.updateDom(100);
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} else {
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Log.info(this.name + " - unknown notification, ignoring: " + notification);
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}
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},
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});
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