Affil Tracking

gistfile1.js

// This is a utility function that breaks a URL into an object
// parseUri 1.2.2
// (c) Steven Levithan <stevenlevithan.com>
// MIT License
function parseUri(d){for(var a=parseUri.options,d=a.parser[a.strictMode?"strict":"loose"].exec(d),c={},b=14;b--;)c[a.key[b]]=d[b]||"";c[a.q.name]={};c[a.key[12]].replace(a.q.parser,function(d,b,e){b&&(c[a.q.name][b]=e)});return c} 
parseUri.options={strictMode:!1,key:"source protocol authority userInfo user password host port relative path directory file query anchor".split(" "),q:{name:"queryKey",parser:/(?:^|&)([^&=]*)=?([^&]*)/g},parser:{strict:/^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,loose:/^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/}};

function getCampaignMedium(landinguri, campcode, refuri){
    /**********Campaign management plugin *********************/

      //setup the different campaign channels available
      var channels = {
          "seo":"seo",
          "ppc":"sem",
          "sem":"sem",
          "soc":"social",
          "soc_other":"social",
          "eml":"email",
          "pns":"partnership",
          "aff":"affiliate",
          "qr":"qr-code",
          "pdf":"pdf-code",
          "pub":"publishing-code",
          "cs":"cs-microsite-code",
          "us":"us-paid-other",
          "uk":"uk-paid-other",
          "au":"au-paid-other",
          "other_ref":"other-referring-domain",
          "other":"unknown-paid",
          "dem":"dem",
          "direct":"direct"
      }
    
    //is there a campaign code?
      if(campcode){
      //yes there is
          //derive channel from campcode
          var ccparts = [], i=0;
      
      //define all possible campaign code separators
      var separators = ["|", "-", "_", ":"];
      
      //find out which separator is being used and split by it
      while(ccparts.length < 2 && i < separators.length){
        ccparts = campcode.toLowerCase().split(separators[i]);
        i++;
      }
      
      //check if the first part of the camp code defines the channel
      if(channels[ccparts[0]]){
        //it does so just return its value
              return channels[ccparts[0]];
          }else if(landinguri.queryKey.s_kwcid || landinguri.queryKey.mckv){
        //the url contains a paid campaign name
              //covers the anomoly of mckv starting with dem
              if(landinguri.queryKey.mckv && landinguri.queryKey.mckv.match(/^dem/i)){
          return channels.dem;
        }else{
          return channels.sem;
        }
        
          }else{
        //is another unknown paid campaign
              return channels.other;
          }
      }else if(refuri && refuri.host != "" && !refuri.host.match(/lonelyplanet./i)){
      //no campaign code so derive channel from referrer etc
          //look at referrer etc
      //is this natural search?
          if(refuri.host.match(/google\.|bing\.|yahoo\.|ask\.|aol\./i)){
        //yes
              return channels.seo;
          }else if(refuri.host.match(/facebook\.|linkedin\.|twitter\.|myspace\.|youtube\.|ning\.|^t\.co|xanga\./i)){
        //no - its social from a key social network
              return channels.soc;
          }else if(refuri.host.match(/orkut\.|friendster\.|vimeo\.com|bebo\.com|hi5\.com|yuku\.com|cafemom\.com|xanga\.com|livejournal\.com|blogspot\.com|wordpress\.com|myspace\.com|digg\.com|reddit\.com|stumbleupon\.com|twine\.com|yelp\.com|mixx\.com|chime\.in|delicious\.com|tumblr\.com|disqus\.com|intensedebate\.com|plurk\.com|slideshare\.net|backtype\.com|netvibes\.com|mister-wong\.com|diigo\.com|flixster\.com|12seconds\.tv|zooomr\.com|identi\.ca|jaiku\.com|flickr\.com|imeem\.com|dailymotion\.com|photobucket\.com|fotolog\.com|smugmug\.com|classmates\.com|myyearbook\.com|mylife\.com|tagged\.com|brightkite\.com|hi5\.com|yuku\.com|cafemom\.com|plus\.google\.com|instagram\.com|prezi\.com|newsvine\.com|pinterest\.com|wiebo\.com|nevkontakte\.com|qzone\.qq\.com|cloob\.com/i)){
        //no - its social from another social network
              return channels.soc_other
          }else{
              //no matching referrer but it is a referred visitor
              return channels.other_ref;
          }
      }else{
          //no camp code nor ref uri
          return channels.direct;
      }
}

// IMPORTANT NOTE
// all dimension and campaign tracking must be set before the pageview is sent

//make sure there is a query params and not gclid - we won't touch campaign overrides where a gclid is present
if(landinguri.query != "" && !landinguri.queryKey.gclid){
  var landinguri = parseUri(document.URL);  //split out the landing uri
  var refuri = parseUri(document.referrer);  // split out the referring uri
  
  //is there an affil query parameter?
  if(landinguri.queryKey.affil){
    //yes
    //get the campaign medium (channel)
    var campmedium = getCampaignMedium(landinguri, landinguri.queryKey.affil, refuri);
    
    //set the custom dimension 9 with the campaign code (affil)
    ga('set', 'dimension9', landinguri.queryKey.affil);
    
    //if the campaign medium is not seo or direct
    if(campmedium != "seo"  && campmedium != "direct"){
      //not seo or direct (which ga handles well anyway) so lets override the campaign vars
      ga('set', {
        'campaignName': landinguri.queryKey.affil,
        'campaignMedium': campmedium,
        'campaignSource': refuri.host
      });
    }
    
  }else if(landinguri.queryKey.lpaffil){
    //no but there is a lpaffil parameter
    //so set the custom dimension 10
    ga('set', 'dimension10', landinguri.queryKey.lpaffil);
  }else if(landinguri.queryKey.intaffil){
    //no but there is a intaffil parameter
    //so set the custom dimension 11
    ga('set', 'dimension11', landinguri.queryKey.intaffil);
  }
}