Sort news by date

js/main.js

@@ -1,39 +1,78 @@
 var rss = [
-    'hamburg.freifunk.net'
+    'hamburg.freifunk.net',
 ];
 var MAX_RSS = 5;
 
 $(document).ready(function() {
-    var i = 0;
-
-    var addItem = function(title, link) {
-        if(i >= MAX_RSS) return;
-
+    var addItem = function(title, link, date) {
         var item = $('<a>')
             .attr('class', 'css-truncate')
             .attr('href', link)
             .attr('target', '_blank')
+            .data('date', date)
             .text(title);
         $('#news').append($('<li>').append(item));
+    };
 
-        i++;
+    var getAddedItems = function() {
+        var news = [];
+        $('#news').find('a').forEach(function(item) {
+            var a = $(item);
+            var title = a.text();
+            var link = a.attr('href');
+            var date = a.data('date');
+
+            news.push({title:title, link:link, date:date});
+        });
+        return news;
+    };
+
+    var clearNewsFeed = function() {
+        $('#news').children().forEach(function(child) {
+            child.remove();
+        });
+    };
+
+    var updateNewsFeed = function(news) {
+        var items = getAddedItems().concat(news);;
+
+        items.sort(function(a, b) {
+            a = new Date(a.date);
+            b = new Date(b.date);
+
+            return a > b ? -1 : a < b ? 1 : 0;
+        });
+
+        clearNewsFeed();
+
+        var i = 0;
+        items.forEach(function(item) {
+            if(i++ >= MAX_RSS) return;
+            addItem(item.title, item.link, item.date);
+        });
     };
 
     rss.forEach(function(feed) {
         $.get('/feeds/' + feed + '.rss', function(data) {
+            var news = [];
+
             $(data).find('item').forEach(function(entry) {
                 var title = $(entry).find('title').text();
                 var link = $(entry).find('link').text();
+                var date = $(entry).find('pubDate').text();
 
-                addItem(title, link);
+                news.push({title:title, link:link, date:date});
             });
 
             $(data).find('entry').forEach(function(entry) {
                 var title = $(entry).find('title').text();
                 var link = $(entry).find('link').attr('href');
+                var date = $(entry).find('published').text();
 
-                addItem(title, link);
+                news.push({title:title, link:link, date:date});
             });
+
+            updateNewsFeed(news);
         });
     });
 });