/share/spice/hacker_news/spice.js

//Global Vars

var HN_Global = {};

HN_Global.result        = '';

HN_Global.discussions   = [];

HN_Global.submissions   = [];

HN_Global.user_url      = '<a href="http://news.ycombinator.com/user?id=';

HN_Global.item_url      = '<a href="http://news.ycombinator.com/item?id=';



function ddg_spice_hacker_news(res) {



  var snippet = [];

  var terms   = res["request"]["q"];

  var limit = (res["request"]["limit"] < res["hits"]) ? res["request"]["limit"] : res["hits"];



  //At least 1 result

  if (res["hits"] > 0) {

        

    HN_Global.discussions = getDiscussions(res,limit);

    HN_Global.submissions = getSubmissions(res,limit);



    //Display first 3 stories results

    //and search for Top Comments and 3 more stories to display

    snippet[0] = '';

    snippet[1] = '';

    snippet[2] = '';

    var c0 = 0;

    var c1 = 0;

    var c2 = 0;

    var i  = 0;





    //Get top stories

    while (i < HN_Global.submissions.length) {

      

      HN_Global.result = HN_Global.submissions[i];



      if (c0 < 3) {

        snippet[0] += submission(HN_Global.submissions, i);

        c0++;

      }



      if (c0 === 3 && c2 < 3 && i > 2) {

        snippet[2] += submission(HN_Global.submissions, i);

        c2++;

      }



      if (c0 === 3 && c2 === 3) break;



      i++;

    }

    

    while (i < HN_Global.discussions.length) {



      HN_Global.result = HN_Global.discussions[i];



      if (c1 < 3) {

        snippet[1] += discussion(HN_Global.submissions, i); 

        c1++;

      }



      if (c1 === 3) break;

      i++;

    }

    

    //Check in case only comments returned

    if (c0 === 0){

      i = 0;



      while (i < limit) {

        HN_Global.result = res["results"][i]["item"];

        snippet[0] = (HN_Global.result["type"] === "submission") ? submission(res, i) : discussion(res, i);

        if (c0 === 3) break;

        c0++;

      }

    }



    //Populate items array

    items = [];

    

    for (var i = 0; i < 3; i++) {

      if (snippet[i]) {

        

        items[i] = [];

                

        switch(i){

          case 0: 

                items[i]['a'] = snippet[0];

                items[i]['u'] = 'http://www.hnsearch.com/search#request/all&q=' + encodeURIComponent(res["request"]["q"]);

                break;

          case 1:

                items[i]['a'] = '</br>' + snippet[1];

                items[i]['u'] = 'http://www.hnsearch.com/search#request/comments&q=' + encodeURIComponent(res["request"]["q"]);

                items[i]['t'] = 'Top Comments';

                break;

          case 2:

                items[i]['a'] = '</br>' + snippet[2];

                items[i]['u'] = 'http://www.hnsearch.com/search#request/submissions&q=' + encodeURIComponent(res["request"]["q"]);

                items[i]['t'] = 'Other Stories';

                break;

        }



        items[i]['h'] = 'Hacker News' + ' (' + terms + ')';

        items[i]['s'] = 'HNSearch'; 

        items[i]['f'] = 1;

      }

    }

    

    nra(items);

  }

}



function discussion (res, i) {

   

  var text = shorten(HN_Global.result["text"], 200);

 

  var div  = d.createElement('div');

  var div2 = d.createElement('div');



  var title = shorten(HN_Global.result["discussion"]["title"]);



  //first line (points, who, link, parent, discussion)

  var out = text

          + ' &nbsp;[by&nbsp;' + HN_Global.user_url + HN_Global.result["username"]  + '">'+ HN_Global.result["username"] + '</a>]'

          + ' &nbsp;[' + HN_Global.item_url + HN_Global.result["parent_id"] + '">parent</a>] &nbsp;'

          + HN_Global.item_url + HN_Global.result["discussion"]["id"] + '">' + title + '</a>'

          + '<br />';



  div2.innerHTML = out;

  YAHOO.util.Dom.setStyle(div2, "padding-bottom", '3px'); //Padding for visual separation

  YAHOO.util.Dom.setStyle(div2, "padding-top", '3px');



  div.appendChild(div2);



  return div.innerHTML;

}



function submission (res, i) {

  

  var domain, url;



  var points = (HN_Global.result["points"] === 1) ? HN_Global.result["points"] + ' point' : HN_Global.result["points"] + ' points'



  var div  = d.createElement('div');

  var div2 = d.createElement('div');



  //Check for no external link (ie. Ask HN:)

  if (HN_Global.result["domain"] === null && HN_Global.result["url"] === null) {

    domain = 'news.ycombinator.com';

    url = 'http://news.ycombinator.com/item?id=' + HN_Global.result["id"];

  } else {

    domain = HN_Global.result["domain"];

    url = HN_Global.result["url"];

  } 

 

  var title = shorten(HN_Global.result["title"]);



  //first line (title, domain, points, comments)

  var out = '<a href="' + url + '">' + title + '</a>  &nbsp;'

          + '[' + HN_Global.item_url + HN_Global.result["id"] +'">' + HN_Global.result["num_comments"] +' comments</a>] &nbsp;'

          + '(' + domain + ', ' + points + ')'

          + '<br />';

  

  div2.innerHTML = out;

  YAHOO.util.Dom.setStyle(div2, "padding-bottom", '3px'); //Padding for visual separation

  YAHOO.util.Dom.setStyle(div2, "padding-top", '3px');



  div.appendChild(div2);



  return div.innerHTML;

  //return out;

}



function shorten (string, length) {

  if (length === undefined){

    length = 40;

  }



  if (string.length > length){

    return string.slice(0,length) + '...';

  } else {

    return string;

  }

}



function getDiscussions (res, limit) {

  var i = 0;

  temp = [];



  while (i < limit){

    HN_Global.result = res["results"][i]["item"];

    if (HN_Global.result["type"] === 'comment') temp.push(HN_Global.result);

    i++;

  }

  return temp;

}



function getSubmissions(res,limit) {



  var i = 0;

  temp = [];



  while (i < limit){

    HN_Global.result = res["results"][i]["item"];

    if (HN_Global.result["type"] === 'submission') temp.push(HN_Global.result);

    i++;

  }

  return temp;

}