code snippets for "Displaying Feed Items On A Web Page: My Solution" post

s1.js

var express = require('express'),
    app = module.exports = express.createServer(),
    NodePie = require('nodepie'),
    request = require('request'),
    recentFeedItems = null;
 
app.dynamicHelpers({
    getRecentFeedItems: function() {
        return recentFeedItems;
    }
});
 
// ... some extra configuration of Express that isn't relevant to this post
 
var processFeed = function(callback) {
    request('http://feeds.feedburner.com/davybrion', function(err, response, body) {
        if (!err && response.statusCode == 200) {
            var feed = new NodePie(body);
            feed.init();
            recentFeedItems = feed.getItems(0, 5);
            if (callback) callback();
        };
    });
};
 
setInterval(processFeed, 1800000); // process feed items every 30 minutes
 
processFeed(function() {
    app.listen(3000);
    console.log('Express started on port 3000');   
});

s2.html

<ul>
<% getRecentFeedItems.forEach(function(item) { %>
    <li><time class="date"><%= item.getDate().getDate() + '/' + (item.getDate().getMonth() + 1) %></time><a href="<%= item.getPermalink() %>"><%= item.getTitle() %></a></li>
<% }); %>
</ul>

s3.js

app.dynamicHelpers({
    getRecentFeedItems: function() {
        return recentFeedItems;
    }
});

s4.js

var processFeed = function(callback) {
    request('http://feeds.feedburner.com/davybrion', function(err, response, body) {
        if (!err && response.statusCode == 200) {
            var feed = new NodePie(body);
            feed.init();
            recentFeedItems = feed.getItems(0, 5);
            if (callback) callback();
        };
    });
};

s5.js

setInterval(processFeed, 1800000); // process feed items every 30 minutes
 
processFeed(function() {
    app.listen(3000);
    console.log('Express started on port 3000');   
});