djax new bidder adapter (#4192)

* djax bidder adapter

* djax bidder adapter

* Update hello_world.html

modules/djaxBidAdapter.js

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+import { registerBidder } from '../src/adapters/bidderFactory';
+import { config } from '../src/config';
+import * as utils from '../src/utils';
+import {BANNER, VIDEO} from '../src/mediaTypes';
+import { ajax } from '../src/ajax';
+import {Renderer} from '../src/Renderer';
+
+const SUPPORTED_AD_TYPES = [BANNER, VIDEO];
+const BIDDER_CODE = 'djax';
+const DOMAIN = 'https://demo.reviveadservermod.com/headerbidding_adminshare/';
+const RENDERER_URL = '//acdn.adnxs.com/video/outstream/ANOutstreamVideo.js';
+
+function isBidRequestValid(bid) {
+  return (typeof bid.params !== 'undefined' && parseInt(utils.getValue(bid.params, 'publisherId')) > 0);
+}
+
+function buildRequests(validBidRequests) {
+  return {
+    method: 'POST',
+    url: DOMAIN + 'www/admin/plugins/Prebid/getAd.php',
+    options: {
+      withCredentials: false,
+      crossOrigin: true
+    },
+    data: validBidRequests,
+  };
+}
+
+function interpretResponse(serverResponse, request) {
+  const response = serverResponse.body;
+  const bidResponses = [];
+  var bidRequestResponses = [];
+
+  utils._each(response, function(bidAd) {
+    bidAd.adResponse = {
+      content: bidAd.vastXml,
+      height: bidAd.height,
+      width: bidAd.width
+    };
+    bidAd.ttl = config.getConfig('_bidderTimeout')
+    bidAd.renderer = bidAd.context === 'outstream' ? createRenderer(bidAd, {
+      id: bidAd.adUnitCode,
+      url: RENDERER_URL
+    }, bidAd.adUnitCode) : undefined;
+    bidResponses.push(bidAd);
+  });
+
+  bidRequestResponses.push({
+    function: 'saveResponses',
+    request: request,
+    response: bidResponses
+  });
+  sendResponseToServer(bidRequestResponses);
+  return bidResponses;
+}
+
+function outstreamRender(bidAd) {
+  bidAd.renderer.push(() => {
+    window.ANOutstreamVideo.renderAd({
+      sizes: [bidAd.width, bidAd.height],
+      width: bidAd.width,
+      height: bidAd.height,
+      targetId: bidAd.adUnitCode,
+      adResponse: bidAd.adResponse,
+      rendererOptions: {
+        showVolume: false,
+        allowFullscreen: false
+      }
+    });
+  });
+}
+
+function createRenderer(bidAd, rendererParams, adUnitCode) {
+  const renderer = Renderer.install({
+    id: rendererParams.id,
+    url: rendererParams.url,
+    loaded: false,
+    config: {'player_height': bidAd.height, 'player_width': bidAd.width},
+    adUnitCode
+  });
+  try {
+    renderer.setRender(outstreamRender);
+  } catch (err) {
+    utils.logWarn('Prebid Error calling setRender on renderer', err);
+  }
+  return renderer;
+}
+
+function onBidWon(bid) {
+  let wonBids = [];
+  wonBids.push(bid);
+  wonBids[0].function = 'onBidWon';
+  sendResponseToServer(wonBids);
+}
+
+function onTimeout(details) {
+  details.unshift({ 'function': 'onTimeout' });
+  sendResponseToServer(details);
+}
+
+function sendResponseToServer(data) {
+  ajax(DOMAIN + 'www/admin/plugins/Prebid/tracking/track.php', null, JSON.stringify(data), {
+    withCredentials: false,
+    method: 'POST',
+    crossOrigin: true
+  });
+}
+
+function getUserSyncs(syncOptions) {
+  if (syncOptions.iframeEnabled) {
+    return [{
+      type: 'iframe',
+      url: DOMAIN + 'www/admin/plugins/Prebid/userSync.php'
+    }];
+  }
+}
+
+export const spec = {
+  code: BIDDER_CODE,
+  supportedMediaTypes: SUPPORTED_AD_TYPES,
+  isBidRequestValid,
+  buildRequests,
+  interpretResponse,
+  getUserSyncs,
+  onBidWon,
+  onTimeout
+};
+
+registerBidder(spec);

modules/djaxBidAdapter.md

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+# Overview
+
+```
+Module Name:  djax Bid Adapter
+Module Type:  Bidder Adapter
+Maintainer :  support@djaxtech.com
+```
+
+# Description
+
+Connects to Djax Ad Server for bids.
+
+djax bid adapter supports Banner and Video.
+
+# Test Parameters
+```
+ var adUnits = [
+   //bannner object
+   {
+          code: 'banner-ad-slot',
+          mediaTypes: {
+            banner: {
+              sizes: [[300, 250], [300,600]],
+            }
+          },
+          bids: [{
+            bidder: 'djax',
+            params: {
+              publisherId: 2
+            }
+          }]
+  
+        },
+      //video object
+      {
+         code: 'video-ad-slot',
+         mediaTypes: {
+              video: {
+                context: 'instream',
+                playerSize: [640, 480],
+              },
+            },
+            bids: [{
+              bidder: "djax",
+              params: {
+                publisherId: 2
+              }
+            }]
+          }];
+```

test/spec/modules/djaxBidAdapter_spec.js

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+import { expect } from 'chai';
+import { spec } from 'modules/djaxBidAdapter';
+
+const ENDPOINT = 'https://demo.reviveadservermod.com/headerbidding_adminshare/www/admin/plugins/Prebid/getAd.php';
+
+describe('The Djax bidding adapter', function () {
+  describe('isBidRequestValid', function () {
+    it('should return false when given an invalid bid', function () {
+      const bid = {
+        bidder: 'djax',
+      };
+      const isValid = spec.isBidRequestValid(bid);
+      expect(isValid).to.equal(false);
+    });
+
+    it('should return true when given a publisherId in bid', function () {
+      const bid = {
+        bidder: 'djax',
+        params: {
+          publisherId: 2
+        },
+      };
+      const isValid = spec.isBidRequestValid(bid);
+      expect(isValid).to.equal(true);
+    });
+  });
+
+  describe('buildRequests', function () {
+    const bidRequests = [{
+      'bidder': 'djax',
+      'params': {
+        'publisherId': 2
+      },
+      'adUnitCode': 'adunit-code',
+      'sizes': [
+        [300, 250],
+        [300, 600]
+      ]
+    }];
+
+    const request = spec.buildRequests(bidRequests);
+
+    it('sends bid request to our endpoint via POST', function () {
+      expect(request.method).to.equal('POST');
+    });
+
+    it('check endpoint url', function () {
+      expect(request.url).to.equal(ENDPOINT)
+    });
+
+    it('sets the proper banner object', function () {
+      expect(bidRequests[0].params.publisherId).to.equal(2);
+    })
+  });
+  const response = {
+    body: [
+      {
+        'requestId': '2ee937f15015c6',
+        'cpm': '0.2000',
+        'width': 300,
+        'height': 600,
+        'creativeId': '4',
+        'currency': 'USD',
+        'netRevenue': true,
+        'ad': 'ads.html',
+        'mediaType': 'banner'
+      },
+      {
+        'requestId': '3e1af92622bdc',
+        'cpm': '0.2000',
+        'creativeId': '4',
+        'context': 'outstream',
+        'currency': 'USD',
+        'netRevenue': true,
+        'vastUrl': 'tezt.xml',
+        'width': 640,
+        'height': 480,
+        'mediaType': 'video'
+      }]
+  };
+
+  const request = [
+    {
+      'bidder': 'djax',
+      'params': {
+        'publisherId': 2
+      },
+      'mediaTypes': {
+        'banner': {
+          'sizes': [
+            [300, 600]
+          ]
+        }
+      },
+      'bidId': '2ee937f15015c6',
+      'src': 'client',
+    },
+    {
+      'bidder': 'djax',
+      'params': {
+        'publisherId': 2
+      },
+      'mediaTypes': {
+        'video': {
+          'context': 'outstream',
+          'playerSize': [
+            [640, 480]
+          ]
+        }
+      },
+      'bidId': '3e1af92622bdc',
+      'src': 'client',
+    }
+  ];
+
+  describe('interpretResponse', function () {
+    it('return empty array when no ad found', function () {
+      const response = {};
+      const request = { bidRequests: [] };
+      const bids = spec.interpretResponse(response, request);
+      expect(bids).to.have.lengthOf(0);
+    });
+
+    it('check response for banner and video', function () {
+      const bids = spec.interpretResponse(response, request);
+      expect(bids).to.have.lengthOf(2);
+      expect(bids[0].requestId).to.equal('2ee937f15015c6');
+      expect(bids[0].cpm).to.equal('0.2000');
+      expect(bids[1].cpm).to.equal('0.2000');
+      expect(bids[0].width).to.equal(300);
+      expect(bids[0].height).to.equal(600);
+      expect(bids[1].vastUrl).to.not.equal('');
+      expect(bids[0].ad).to.not.equal('');
+      expect(bids[1].adResponse).to.not.equal('');
+      expect(bids[1].renderer).not.to.be.an('undefined');
+    });
+  });
+
+  describe('On winning bid', function () {
+    const bids = spec.interpretResponse(response, request);
+    spec.onBidWon(bids);
+  });
+
+  describe('On bid Time out', function () {
+    const bids = spec.interpretResponse(response, request);
+    spec.onTimeout(bids);
+  });
+
+  describe('user sync', function () {
+    it('to check the user sync iframe', function () {
+      let syncs = spec.getUserSyncs({
+        iframeEnabled: true
+      });
+      expect(syncs).to.not.be.an('undefined');
+      expect(syncs).to.have.lengthOf(1);
+      expect(syncs[0].type).to.equal('iframe');
+    });
+  });
+});