getfeeds.js

google.load("feeds", "1");

function feed_init() {

}

google.setOnLoadCallback(feed_init);

function getRecentPosts(url,num_max,title,target){
	google.feeds.lookupFeed(url, function(result) {
		if (result.error) {
			console.log(result.error.message);
		}else{
			feed2ulist(result.url,num_max,title,target);
		}
	});
}
function getRelatedPosts(url,tags,num_max,title,target){
	findfeed2ulist("site:"+url+" "+tags,num_max,title,target);
}
function getLinkbackPosts(url,num,title,target){
	var feedurl = 'http://www.google.com/search?q=link:'+ url +'&ie=utf-8&tbm=blg&tbs=sbd:1&num='+ num +'&output=rss';
	feed2ulist(feedurl,10,title,target);
}


function feed2ulist(feedurl,num_max,title,target){
	var feed = new google.feeds.Feed(feedurl);
	feed.setNumEntries(num_max);
	feed.load(display);

	function display(result){
  		if (!result.error){
	  		var container = document.getElementById(target);
	  		var htmlstr = "<ul>";
                        htmlstr+="<li>"+ feed + "</li>";
	  		htmlstr+="<li class='title'>"+title+"</li>";
	  		for (var i = 0; i < result.feed.entries.length; i++) {
		  		var entry = result.feed.entries[i];
		  		htmlstr += '<li><a href="' + entry.link + '">' + entry.title + '<span>' + getDate(entry.publishedDate) + '</span></a></li>';
		  	}
		  	htmlstr += "</ul>";
		  	container.innerHTML = htmlstr;
		}else{
			console.log(result.error.code + ":" + result.error.message);
			}
	}
}

function findfeed2ulist(keyword,num_max,title,target){
	var feed = new google.feeds.findFeeds(keyword,display);

  function display(result){
	if (!result.error && result.entries.length > 0){
		var container = document.getElementById(target);
		var htmlstr = "";
		for (var i = 0; i < result.entries.length; i++) {
			var entry = result.entries[i];
				if (entry.link != location.href && num_max > i){
		  			htmlstr += "<li><a href='" + entry.link + "'>" + entry.title + "</a></li>";
		  		} else { num_max++;}
		}

		if (htmlstr != ""){
			container.innerHTML = "<ul><li class='title'>Related Posts</li>" +htmlstr+ "</ul>";
  		}
  	}
  }
}

function getDate(publishedDate){
  var pdate = new Date(publishedDate);

  var pday = pdate.getDate();
  var pmonth = pdate.getMonth() + 1;
  var pyear = pdate.getFullYear();
  //var phour = pdate.getHours();
  //var pminute = pdate.getMinutes();
  //var psecond = pdate.getSeconds();

  var strdate = pyear + "-" + pmonth + "-" + pday;
  return strdate;
}