allows multiple bids to be registered per a slot. fixes prebid#496

src/adapters/rubicon.js

@@ -99,59 +99,70 @@ var RubiconAdapter = function RubiconAdapter() {
  }
 
  /**
- * Create a (successful) bid for a unit,
+ * Create (successful) bids for a unit,
  * based on the given response
  * @param {String} placement placement code/unit path
  * @param {Object} response the response from rubicon
  * @return {Bid} a bid objectj
  */
- function _makeBid(response, ads) {
+ function _makeBids(response, ads) {
 
  // if there are multiple ads, sort by CPM
  ads = ads.sort(_adCpmSort);
 
- var bidResponse = bidfactory.createBid(1);
- var ad = ads[0];
- var size = ad.dimensions;
+ var bidResponses = [];
 
- if (!size) {
- // this really shouldn't happen
- utils.logError('no dimensions given', RUBICON_BIDDER_CODE, ad);
- return _errorBid(response, ads);
- }
+ ads.forEach(function(ad) {
 
- bidResponse.bidderCode = RUBICON_BIDDER_CODE;
- bidResponse.cpm = ad.cpm;
+  var bidResponse,
+  size = ad.dimensions;
 
- // the element id is what the iframe will use to render
- // itself using the rubicontag.renderCreative API
- bidResponse.ad = _creative(response.getElementId(), size);
- bidResponse.width = size[0];
- bidResponse.height = size[1];
+ if (!size) {
+ // this really shouldn't happen
+ utils.logError('no dimensions given', RUBICON_BIDDER_CODE, ad);
+ bidResponse = _errorBid(response, ads);
+ } else {
+ bidResponse = bidfactory.createBid(1);
 
- // DealId
- if (ads.deal !== undefined && ads.deal !== "") {
- bidResponse.dealId = ads.deal;
- }
+ bidResponse.bidderCode = RUBICON_BIDDER_CODE;
+ bidResponse.cpm = ad.cpm;
 
- return bidResponse;
+ // the element id is what the iframe will use to render
+ // itself using the rubicontag.renderCreative API
+ bidResponse.ad = _creative(response.getElementId(), size);
+ bidResponse.width = size[0];
+ bidResponse.height = size[1];
+
+ // DealId
+ if (ads.deal !== undefined && ads.deal !== "") {
+ bidResponse.dealId = ads.deal;
+ }
+ }
+
+ bidResponses.push(bidResponse);
+
+ });
+
+ return bidResponses;
  }
 
  /**
- * Add a success/error bid based
+ * Add success/error bids based
  * on the response from rubicon
  * @param {Object} response -- AJAX response from fastlane
  */
- function _addBid(response, ads) {
+ function _addBids(response, ads) {
  // get the bid for the placement code
- var bid;
+ var bids;
  if (!ads || ads.length === 0) {
- bid = _errorBid(response, ads);
+ bids = [ _errorBid(response, ads) ];
  } else {
- bid = _makeBid(response, ads);
+ bids = _makeBids(response, ads);
  }
 
- bidmanager.addBidResponse(response.getElementId(), bid);
+ bids.forEach(function(bid) {
+ bidmanager.addBidResponse(response.getElementId(), bid);
+ });
  }
 
  /**
@@ -265,7 +276,7 @@ var RubiconAdapter = function RubiconAdapter() {
  utils.logMessage('Rubicon Project bidding complete: ' + ((new Date).getTime() - _bidStart));
 
  utils._each(slots, function (slot) {
- _addBid(slot, slot.getRawResponses());
+ _addBids(slot, slot.getRawResponses());
  });
  }