Merge pull request prebid#17 from PubMatic-OpenWrap/v32_AdGeneration

Add Ad Generation Bid Adapter

modules.json

@@ -1,5 +1,6 @@
 [
 	"appnexusBidAdapter",
+	"adgBidAdapter",
 	"sekindoUMBidAdapter",
 	"pulsepointBidAdapter",
 	"audienceNetworkBidAdapter",

modules/adgBidAdapter.js

@@ -0,0 +1,128 @@
+import adaptermanager from '../src/adaptermanager';
+import bidfactory from '../src/bidfactory';
+import bidmanager from '../src/bidmanager';
+import * as utils from '../src/utils';
+import {ajax} from '../src/ajax';
+import {STATUS} from '../src/constants';
+
+const ADG_BIDDER_CODE = 'adg';
+
+var AdgAdapter = function AdgAdapter() {
+  function _callBids(bidderRequest) {
+    var bids = bidderRequest.bids || [];
+    bids.forEach(bid => {
+      try {
+        ajax(buildOptimizedCall(bid), bidCallback, undefined, {withCredentials: true});
+      } catch (err) {
+        utils.logError(`XHR error, placement code is ${bid.placementCode} in adg`, null, err);
+        addErrorBid();
+      }
+
+      function bidCallback(responseText) {
+        try {
+          utils.logMessage(`XHR callback function called for ad ID: ${bid.bidId}`);
+          bidmanager.addBidResponse(bid.placementCode, generateBitResponse(responseText, bid));
+        } catch (err) {
+          if (typeof err === 'string') {
+            utils.logWarn(`XHR response error, ${err} placement code  is ${bid.placementCode} in adg`);
+          } else {
+            utils.logError(`XHR response error, placement code is ${bid.placementCode} in adg`, null, err);
+          }
+          addErrorBid();
+        }
+      }
+
+      function addErrorBid() {
+        let badBid = bidfactory.createBid(STATUS.NO_BID, bid);
+        badBid.bidderCode = bid.bidder;
+        bidmanager.addBidResponse(bid.placementCode, badBid);
+      }
+    });
+  }
+
+  // for ADG
+  function buildOptimizedCall(bid) {
+    bid.startTime = new Date().getTime();
+    var id = utils.getBidIdParameter('id', bid.params);
+    let url = bid.params.debug ? 'http://api-test.scaleout.jp/adsv/v1?' : 'https://d.socdm.com/adsv/v1?';
+    url = utils.tryAppendQueryString(url, 'posall', 'SSPLOC');
+    url = utils.tryAppendQueryString(url, 'id', id);
+    url = utils.tryAppendQueryString(url, 'sdktype', '0');
+    url = utils.tryAppendQueryString(url, 'hb', 'true');
+    url = utils.tryAppendQueryString(url, 't', 'json3');
+    if (bid.params.labels) {
+      let labels = bid.params.labels;
+      for (let key in labels) {
+        url = utils.tryAppendQueryString(url, key, labels[key]);
+      }
+    }
+
+    // remove the trailing "&"
+    if (url.lastIndexOf('&') === url.length - 1) {
+      url = url.substring(0, url.length - 1);
+    }
+    return url;
+  }
+
+  function generateBitResponse(responseText, bidRequest) {
+    let res = JSON.parse(responseText);
+    if (typeof res !== 'object') {
+      throw 'bad response';
+    }
+    return res.results.length > 0 ? createBid(bidRequest, res) : invalidBidResponse(bidRequest);
+
+    function createBid(bidRequest, res) {
+      let bid = bidfactory.createBid(STATUS.GOOD, bidRequest);
+      bid.bidderCode = bidRequest.bidder;
+      bid.cpm = res.cpm || 0;
+      bid.dealId = res.dealid || '';
+
+      let ad = `<!-- adgen -->${res.ad}`;
+      ad = insertBeforeBody(ad, res.beacon);
+      if (res.vastxml && res.vastxml.length > 0) {
+        ad = `<div id="apvad-${bidRequest.placementCode}"></div>` +
+          insertBeforeBody(ad, createAPVTag() + insertVASTMethod(bidRequest.placementCode, res.vastxml));
+      }
+      bid.ad = ad;
+      [bid.width, bid.height] = [bidRequest.params.width, bidRequest.params.height];
+
+      return bid;
+    }
+
+    function createAPVTag() {
+      const APVURL = 'https://cdn.apvdr.com/js/VideoAd.min.js';
+      let apvScript = document.createElement('script');
+      apvScript.type = 'text/javascript';
+      apvScript.id = 'apv';
+      apvScript.src = APVURL;
+      return apvScript.outerHTML;
+    }
+
+    function insertVASTMethod(targetId, vastXml) {
+      let apvVideoAdParam = {
+        s: targetId
+      };
+      let script = document.createElement(`script`);
+      script.type = 'text/javascript';
+      script.innerHTML = `(function(){ new APV.VideoAd(${JSON.stringify(apvVideoAdParam)}).load('${vastXml.replace(/\r?\n/g, "")}'); })();`;
+      return script.outerHTML;
+    }
+
+    function insertBeforeBody(ad, data) {
+      return ad.replace(/<\/\s?body>/, data + '</body>');
+    }
+
+    function invalidBidResponse(bidRequest) {
+      let bid = bidfactory.createBid(2, bidRequest);
+      bid.bidderCode = bidRequest.bidder;
+    }
+  }
+
+  return {
+    callBids: _callBids
+  };
+};
+
+adaptermanager.registerBidAdapter(new AdgAdapter(), ADG_BIDDER_CODE);
+
+module.exports = AdgAdapter;