Fixed for issue #7 - add Casale adapter

Author: mkendall07

integrationExamples/gpt/pbjs_example_gpt.html

@@ -116,6 +116,13 @@
                 pub: '{id}',
                 name: '{id}'
               }
+            },
+              {
+                bidder: 'casale',
+                params: {
+                    slotId: '{id}', // number
+                    casaleUrl: '{url}'
+                }
             }]
     }];
 

src/adaptermanager.js

@@ -7,6 +7,7 @@ var PubmaticAdapter = require('./adapters/pubmatic.js');
 var CriteoAdapter = require('./adapters/criteo');
 var AmazonAdapter = require('./adapters/amazon');
 var YieldbotAdapter = require('./adapters/yieldbot');
+var Casale = require('./adapters/casale');
 var bidmanager = require('./bidmanager.js');
 var utils = require('./utils.js');
 var CONSTANTS = require('./constants.json');
@@ -52,3 +53,4 @@ registerBidAdapter(PubmaticAdapter(), 'pubmatic');
 registerBidAdapter(CriteoAdapter(), 'criteo');
 registerBidAdapter(AmazonAdapter(), 'amazon');
 registerBidAdapter(YieldbotAdapter(), 'yieldbot');
+registerBidAdapter(Casale(), 'casale');

src/adapters/casale.js

@@ -0,0 +1,133 @@
+//Factory for creating the bidderAdaptor
+var CONSTANTS = require('../constants.json');
+var utils = require('../utils.js');
+var bidfactory = require('../bidfactory.js');
+var bidmanager = require('../bidmanager.js');
+
+var ADAPTER_NAME = 'CASALE';
+var ADAPTER_CODE = 'casale';
+
+var CasaleAdapter = function CasaleAdapter() {
+	var slotIdMap = {};
+	var requiredParams = [
+		/* 0 */
+		'slotId',
+		/* 1 */
+		'casaleUrl'
+	];
+	var firstAdUnitCode = '';
+
+	function _callBids(request) {
+		var bidArr = request.bids;
+
+		//validate first bid request with all required params.
+		if (!utils.hasValidBidRequest(bidArr[0].params, requiredParams, ADAPTER_NAME)) {
+			return;
+		}
+		for (var i = 0; i < bidArr.length; i++) {
+			var bid = bidArr[i];
+			//only validate 1st param on rest of bids
+			if (utils.hasValidBidRequest(bid.params, requiredParams.slice(0, 1), ADAPTER_NAME)) {
+				firstAdUnitCode = bid.placementCode;
+				var slotId = bid.params[requiredParams[0]];
+				slotIdMap[slotId] = bid;
+			}
+		}
+
+		var adUrl = bidArr[0].params[requiredParams[1]];
+		var iframeContents = createRequestContent(adUrl);
+		var iframe = buildIframeContainer();
+		var iframeId = iframe.id;
+		//attach to onload event of iframe to ensure script is ready
+		utils.addEventHandler(iframe, 'load', function() {
+			try {
+				var iframeObj = window.frames[iframeId];
+				var casaleObj = iframeObj.contentWindow._IndexRequestData.targetIDToBid;
+				var lookupObj = iframeObj.contentWindow.cygnus_index_args;
+
+				if (utils.isEmpty(casaleObj)) {
+					//no bid response
+					var bid = bidfactory.createBid(2);
+					bid.bidderCode = ADAPTER_CODE;
+					logErrorBidResponse();
+					return;
+				}
+
+				utils._each(casaleObj, function(adContents, cpmAndSlotId) {
+
+					utils._each(slotIdMap, function(bid, adSlotId) {
+						var obj = cpmAndSlotId.split('_');
+						var currentId = obj[0];
+						var currentCPM = obj[1];
+						if (currentId === adSlotId) {
+							var bidObj = slotIdMap[adSlotId];
+							var adUnitCode = bidObj.placementCode;
+							var slotObj = getSlotObj(lookupObj, adSlotId);
+							bid = bidfactory.createBid(1);
+							bid.cpm = (currentCPM / 100);
+							bid.ad = adContents;
+							bid.ad_id = adSlotId;
+							bid.bidderCode = ADAPTER_CODE;
+							bid.width = slotObj.width;
+							bid.height = slotObj.height;
+							bid.siteID = slotObj.siteID;
+							bidmanager.addBidResponse(adUnitCode, bid);
+						}
+					});
+				});
+
+			} catch (e) {
+				utils.logError('Error calling casale adapter', ADAPTER_NAME, e);
+				logErrorBidResponse();
+			}
+		});
+
+		var iframeDoc = iframe.contentWindow.document;
+		iframeDoc.write(iframeContents);
+		iframeDoc.close();
+	}
+
+	function getSlotObj(obj, id) {
+		var arr = obj.slots;
+		var returnObj = {};
+		utils._each(arr, function(value) {
+			if (value.id === id) {
+				returnObj = value;
+			}
+		});
+		return returnObj;
+	}
+
+	function logErrorBidResponse() {
+		//no bid response
+		var bid = bidfactory.createBid(2);
+		bid.bidderCode = ADAPTER_CODE;
+		//log error to first add unit
+		bidmanager.addBidResponse(firstAdUnitCode, bid);
+	}
+
+	function buildIframeContainer() {
+		var iframe = utils.createInvisibleIframe();
+		var elToAppend = document.getElementsByTagName('head')[0];
+		//insert the iframe into document
+		elToAppend.insertBefore(iframe, elToAppend.firstChild);
+		return iframe;
+
+	}
+
+	function createRequestContent(url) {
+		var content = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><base target="_top" /><scr' + 'ipt>inDapIF=true;</scr' + 'ipt></head>';
+		content += '<body>';
+		content += '<scr' + 'ipt src="' + url + '"></scr' + 'ipt>';
+		content += '</body></html>';
+		return content;
+	}
+
+
+	return {
+		callBids: _callBids
+	};
+	//end of Rubicon bid adaptor
+};
+
+module.exports = CasaleAdapter;

src/utils.js

@@ -263,7 +263,7 @@ exports.getPriceBucketString = function(cpm) {
  * @param  {string[]} requiredParamsArr [description]
  * @return {bool}                   Bool if paramaters are valid
  */
-exports.hasValidBidRequest = function(paramObj, requiredParamsArr){
+exports.hasValidBidRequest = function(paramObj, requiredParamsArr, adapter){
 
 	for(var i = 0; i < requiredParamsArr.length; i++){
 		var found = false;
@@ -275,7 +275,7 @@ exports.hasValidBidRequest = function(paramObj, requiredParamsArr){
     });
 
 		if(!found){
-			this.logError('Params are missing for adapter. One of these required paramaters are missing: ' + requiredParamsArr);
+			this.logError('Params are missing for bid request. One of these required paramaters are missing: ' + requiredParamsArr, adapter);
 			return false;
 		}
 	}