101 lines
2.8 KiB
JavaScript
101 lines
2.8 KiB
JavaScript
var rss = [
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'hamburg.freifunk.net',
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];
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var MAX_RSS = 3;
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function shorten(text, maxLength) {
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var ret = text;
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if (ret.length > maxLength) {
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ret = ret.substr(0,maxLength-3) + "...";
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}
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return ret;
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}
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$(document).ready(function() {
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var addItem = function(title, link, date, text) {
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var item = $('<a>')
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.attr('class', 'css-truncate')
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.attr('href', link)
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.attr('target', '_blank')
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.data('date', date)
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.text(title);
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var prev = $('<p>')
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.attr('class', 'css-truncate')
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.html(text);
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$('#news').append($('<li>').append(item).append(prev));
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};
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var forEach = function(x, f) {
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var i;
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for(i = 0; i < x.length; i++) {
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f(x[i]);
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}
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};
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var getAddedItems = function() {
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var news = [];
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forEach($('#news').find('li'), function(item) {
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var a = $(item).children('a');
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var p = $(item).children('p');
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var title = a.text();
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var link = a.attr('href');
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var date = a.data('date');
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var text = p.html();
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news.push({title:title, link:link, date:date, text:text});
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});
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return news;
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};
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var clearNewsFeed = function() {
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forEach($('#news').children(), function(child) {
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child.remove();
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});
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};
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var updateNewsFeed = function(news) {
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var items = getAddedItems().concat(news);
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items.sort(function(a, b) {
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a = new Date(a.date);
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b = new Date(b.date);
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return a > b ? -1 : a < b ? 1 : 0;
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});
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clearNewsFeed();
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var i = 0;
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items.forEach(function(item) {
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if(i++ >= MAX_RSS) return;
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addItem(item.title, item.link, item.date, shorten(item.text, 80));
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});
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};
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rss.forEach(function(feed) {
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$.get('/feeds/' + feed + '.rss', function(data) {
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var news = [];
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forEach($(data).find('item'), function(entry) {
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var title = $(entry).find('title').text();
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var link = $(entry).find('link').text();
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var date = $(entry).find('pubDate').text();
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var text = $(entry).find('description').text();
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news.push({title:title, link:link, date:date, text:text});
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});
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forEach($(data).find('entry'), function(entry) {
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var title = $(entry).find('title').text();
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var link = $(entry).find('link').attr('href');
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var date = $(entry).find('published').text();
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var text = $(entry).find('content').text();
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news.push({title:title, link:link, date:date, text:text});
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});
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updateNewsFeed(news);
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});
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});
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});
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