adospb.js

/******************************************************************************
 *
 * Adzerk header bidding boilerplate.
 *
 *****************************************************************************/

window.adospb = (function() {

  window.pbjs = window.pbjs || {};
  window.pbjs.que = window.pbjs.que || [];

  window.ados = window.ados || {};
  window.ados.run = window.ados.run || [];

  function assert() {
    if (pbjs.logging)
      console.assert.apply(null, Array.prototype.slice.call(arguments));
  }

  function bestBid(bids) {
    var bid = null;
    for (var i = 0; i < bids.length; i++)
      if (bids[i].cpm > ((bid || {}).cpm || 0)) bid = bids[i];
    return bid;
  }

  function getAdTypes(placementOpt) {
    var adTypes = Object.keys(placementOpt.adTypes);
    for (var i = 0; i < adTypes.length; i++)
      adTypes[i] = parseInt(adTypes[i]);
    return adTypes;
  }

  function getOverrides(bid, flightId) {
    var overrides = {flights: {}};
    overrides.flights[flightId] = {ecpm: bid.cpm};
    return overrides;
  }

  function addPlacement(divId, placementOpt, bids) {
    var networkId  = placementOpt.networkId;
    var siteId     = placementOpt.siteId;
    var adTypes    = getAdTypes(placementOpt);
    var bid        = bestBid(bids);
    var flightId   = bid ? placementOpt.bids[bid.adserverTargeting.hb_bidder].flightId : null;
    var properties = bid ? bid.adserverTargeting : {};
    var overrides  = bid ? getOverrides(bid, flightId) : {};

    return function() {
      ados_add_placement(networkId, siteId, divId, adTypes)
        .setProperties(properties)
        .setOverrides(overrides);
    };
  }

  function getAdUnit(divId, placementOpt) {
    var adUnit = {code: divId, sizes: [], bids: []};

    for (var adType in placementOpt.adTypes)
      adUnit.sizes.push(placementOpt.adTypes[adType]);

    for (var bidder in placementOpt.bids)
      adUnit.bids.push({bidder: bidder, params: placementOpt.bids[bidder].params});

    return adUnit;
  }

  return function(opts) {
    opts = opts || {};

    pbjs.que.push(function() {
      var PREBID_TIMEOUT = opts.timeout || 300;
      var adUnits        = [];
      var placementOpts  = opts.placements;

      for (var divId in placementOpts)
        adUnits.push(getAdUnit(divId, placementOpts[divId]));

      pbjs.addAdUnits(adUnits);

      function initAdserver() {
        if (pbjs.initAdserverSet) return;
        pbjs.initAdserverSet = true;

        var bidResponses = pbjs.getBidResponses();

        if (opts.domain)
          ados.run.push(function() { ados_setDomain(opts.domain) });

        for (var divId in bidResponses)
          ados.run.push(function() {
            pbjs.que.push(addPlacement(divId, placementOpts[divId], bidResponses[divId].bids));
          });

        ados.run.push(function() { pbjs.que.push(ados_load) });
      }

      if (opts.beforeRequestBids) opts.beforeRequestBids();

      pbjs.requestBids({bidsBackHandler: initAdserver});
      setTimeout(initAdserver, PREBID_TIMEOUT);
    });
  };
})();