Article - 1 Twittermap Model and Collection

gistfile1.js

// Twitter Map

$(function() {

//-- Data ---------------------------------------------------------------------//    
    
    var Tweet = Backbone.Model;
    
    var Tweets = Backbone.Collection.extend({
        
        // The search url which will pull in all tweets 1000 miles from roughly the center of the United States
        url: "http://search.twitter.com/search.json?callback=?&count=100&rpp=100&geocode=35.5,-100,1000mi",

        // Filters information before it is passed into the collection
        parse: function(response) {
            
            // Filter all tweets without a specific geolocation
            var filtered = _.filter(response.results, function(d) {
                if (d.geo !== null) {
                    return true;
                }
            });
            
            this.add(filtered);
            
        },
            
        initialize: function() {
          
          // Search for more tweets every 2 seconds
          setInterval(function() {
              console.log("Fetching fresh data...");
              tweets.fetch();
          }, 2000)
          
          this.fetch();
        }
  });

});