Custon Reddit Top Search

reddit_top_search.js

var startTime = new Date(2015, 5, 1, 0, 0, 0, 0); // june 1st 2015
var endTime = new Date(2015, 8, 1, 0, 0, 0, 0); // sept 1st 2015
searchPages(["microsoft", ".net"], 
  {start: Math.floor(startTime.getTime() / 1000), end: Math.floor(endTime.getTime() / 1000)},
   null);

var killProcess = false;
setTimeout(function() { killProcess = true;}, 300000);

function searchPages(searchTerms, timeInterval, redditPageId) {
    var xmlhttp = new XMLHttpRequest();
    var url = "https://www.reddit.com/r/programming/top.json?sort=top&t=year";
    if(redditPageId != null) {
      url += ("&after=" + redditPageId);
    }

    xmlhttp.onreadystatechange = function() {
        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
            var redditData = JSON.parse(xmlhttp.responseText);
            var redditPosts = redditData.data.children;
            // for each reddit post
            for(var postIndex = 0; postIndex < redditPosts.length; postIndex++) {
                var postTitle = redditPosts[postIndex].data.title;
                var postCreationTime = parseInt(redditPosts[postIndex].data.created_utc);
                
                if(postCreationTime >= timeInterval.start && postCreationTime <= timeInterval.end) {
                    var possibleSearchResult = {}
                    possibleSearchResult.title = postTitle;
                    possibleSearchResult.link = "https://www.reddit.com" + redditPosts[postIndex].data.permalink;
                    possibleSearchResult.score = redditPosts[postIndex].data.ups;
                    var tempDate = new Date(0);
                    tempDate.setUTCSeconds(postCreationTime);
                    possibleSearchResult.created = tempDate.toDateString();
                    // if no terms to match, then just print the results
                    if(searchTerms.length == 0) {
                        console.log(possibleSearchResult);
                    }
                    // print all results that match at least one of the terms
                    else {
                        // for each of the search terms, if found a match, then print it
                        for(var termIndex = 0; termIndex < searchTerms.length; termIndex++) {
                            if(postTitle.toLowerCase().indexOf(searchTerms[termIndex]) > -1) {
                                console.log(possibleSearchResult);
                                break; // go onto the next post if post title matched one of the terms
                            }
                        }
                    }
                }
            }

            if(!killProcess) {
              setTimeout(function(terms, interval, pageId) {
                  searchPages(terms, interval, pageId)
              }(searchTerms, timeInterval, redditData.data.after), 2000);
            }
        }
    }
    xmlhttp.open("GET", url, true);
    xmlhttp.send();
}