Alkimi Bid Adapter: add new bid adapter (#8326)

* Alkimi bid adapter

* Alkimi bid adapter

* Alkimi bid adapter

* alkimi adapter

* onBidWon change

* sign utils

* auction ID as bid request ID

* unit test fixes

Co-authored-by: Alexander Bogdanov <akascheev@asteriosoft.com>

modules/alkimiBidAdapter.js

@@ -0,0 +1,119 @@
+import { registerBidder } from '../src/adapters/bidderFactory.js';
+import { deepClone, deepAccess } from '../src/utils.js';
+import { ajax } from '../src/ajax.js';
+import { VIDEO } from '../src/mediaTypes.js';
+import { config } from '../src/config.js';
+
+const BIDDER_CODE = 'alkimi';
+export const ENDPOINT = 'https://exchange.alkimi-onboarding.com/bid?prebid=true';
+
+export const spec = {
+  code: BIDDER_CODE,
+  supportedMediaTypes: ['banner', 'video'],
+
+  isBidRequestValid: function (bid) {
+    return !!(bid.params && bid.params.bidFloor && bid.params.token);
+  },
+
+  buildRequests: function (validBidRequests, bidderRequest) {
+    let bids = [];
+    let bidIds = [];
+    validBidRequests.forEach(bidRequest => {
+      let sizes = prepareSizes(bidRequest.sizes)
+
+      bids.push({
+        token: bidRequest.params.token,
+        pos: bidRequest.params.pos,
+        bidFloor: bidRequest.params.bidFloor,
+        width: sizes[0].width,
+        height: sizes[0].height,
+        impMediaType: getFormatType(bidRequest)
+      })
+      bidIds.push(bidRequest.bidId)
+    })
+
+    const alkimiConfig = config.getConfig('alkimi');
+
+    let payload = {
+      requestId: bidderRequest.auctionId,
+      signRequest: { bids, randomUUID: alkimiConfig && alkimiConfig.randomUUID },
+      bidIds,
+      referer: bidderRequest.refererInfo.referer,
+      signature: alkimiConfig && alkimiConfig.signature
+    }
+
+    const options = {
+      contentType: 'application/json',
+      customHeaders: {
+        'Rtb-Direct': true
+      }
+    }
+
+    return {
+      method: 'POST',
+      url: ENDPOINT,
+      data: payload,
+      options
+    };
+  },
+
+  interpretResponse: function (serverResponse, request) {
+    const serverBody = serverResponse.body;
+    if (!serverBody || typeof serverBody !== 'object') {
+      return [];
+    }
+
+    const { prebidResponse } = serverBody;
+    if (!prebidResponse || typeof prebidResponse !== 'object') {
+      return [];
+    }
+
+    let bids = [];
+    prebidResponse.forEach(bidResponse => {
+      let bid = deepClone(bidResponse);
+      bid.cpm = parseFloat(bidResponse.cpm);
+
+      // banner or video
+      if (VIDEO === bid.mediaType) {
+        bid.vastXml = bid.ad;
+      }
+
+      bid.meta = {};
+      bid.meta.advertiserDomains = bid.adomain || [];
+
+      bids.push(bid);
+    })
+
+    return bids;
+  },
+
+  onBidWon: function (bid) {
+    let winUrl;
+    if (bid.winUrl || bid.vastUrl) {
+      winUrl = bid.winUrl ? bid.winUrl : bid.vastUrl;
+      winUrl = winUrl.replace(/\$\{AUCTION_PRICE\}/, bid.cpm);
+    } else if (bid.ad) {
+      let trackImg = bid.ad.match(/(?!^)<img src=".+dsp-win.+">/);
+      bid.ad = bid.ad.replace(trackImg[0], '');
+      winUrl = trackImg[0].split('"')[1];
+      winUrl = winUrl.replace(/\$%7BAUCTION_PRICE%7D/, bid.cpm);
+    } else {
+      return false;
+    }
+
+    ajax(winUrl, null);
+    return true;
+  }
+}
+
+function prepareSizes(sizes) {
+  return sizes && sizes.map(size => ({ width: size[0], height: size[1] }));
+}
+
+const getFormatType = bidRequest => {
+  if (deepAccess(bidRequest, 'mediaTypes.banner')) return 'Banner'
+  if (deepAccess(bidRequest, 'mediaTypes.video')) return 'Video'
+  if (deepAccess(bidRequest, 'mediaTypes.audio')) return 'Audio'
+}
+
+registerBidder(spec);

modules/alkimiBidAdapter.md

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+# Overview
+
+```
+Module Name: Alkimi Bidder Adapter
+Module Type: Bidder Adapter
+Maintainer: abogdanov@asteriosoft.com
+```
+
+# Description
+
+Connects to Alkimi Bidder for bids.
+Alkimi bid adapter supports Banner and Video ads.
+
+# Test Parameters
+```
+const adUnits = [
+  {
+    bids: [
+      {
+          bidder: 'alkimi',
+          params: {
+              bidFloor: 0.1,
+              token: '?????????????????????', // Publisher Token provided by Alkimi
+          }
+      }
+    ]
+  }
+];
+```

test/spec/modules/alkimiBidAdapter_spec.js

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+import { expect } from 'chai'
+import { ENDPOINT, spec } from 'modules/alkimiBidAdapter.js'
+import { newBidder } from 'src/adapters/bidderFactory.js'
+
+const REQUEST = {
+  'bidId': '456',
+  'bidder': 'alkimi',
+  'sizes': [[300, 250]],
+  'mediaTypes': {
+    'banner': {
+      'sizes': [[300, 250]]
+    }
+  },
+  'params': {
+    bidFloor: 0.1,
+    token: 'e64782a4-8e68-4c38-965b-80ccf115d46f',
+    pos: 7
+  }
+}
+
+const BIDDER_BANNER_RESPONSE = {
+  'prebidResponse': [{
+    'ad': '<div>test</div>',
+    'requestId': 'e64782a4-8e68-4c38-965b-80ccf115d46d',
+    'cpm': 900.5,
+    'currency': 'USD',
+    'width': 640,
+    'height': 480,
+    'ttl': 300,
+    'creativeId': 1,
+    'netRevenue': true,
+    'winUrl': 'http://test.com',
+    'mediaType': 'banner',
+    'adomain': ['test.com']
+  }]
+}
+
+const BIDDER_VIDEO_RESPONSE = {
+  'prebidResponse': [{
+    'ad': '<xml>vast</xml>',
+    'requestId': 'e64782a4-8e68-4c38-965b-80ccf115d46z',
+    'cpm': 800.4,
+    'currency': 'USD',
+    'width': 1024,
+    'height': 768,
+    'ttl': 200,
+    'creativeId': 2,
+    'netRevenue': true,
+    'winUrl': 'http://test.com',
+    'mediaType': 'video',
+    'adomain': ['test.com']
+  }]
+}
+
+const BIDDER_NO_BID_RESPONSE = ''
+
+describe('alkimiBidAdapter', function () {
+  const adapter = newBidder(spec)
+
+  describe('inherited functions', function () {
+    it('exists and is a function', function () {
+      expect(adapter.callBids).to.exist.and.to.be.a('function')
+    })
+  })
+
+  describe('isBidRequestValid', function () {
+    it('should return true when required params found', function () {
+      expect(spec.isBidRequestValid(REQUEST)).to.equal(true)
+    })
+
+    it('should return false when required params are not passed', function () {
+      let bid = Object.assign({}, REQUEST)
+      delete bid.params.token
+      expect(spec.isBidRequestValid(bid)).to.equal(false)
+
+      bid = Object.assign({}, REQUEST)
+      delete bid.params.bidFloor
+      expect(spec.isBidRequestValid(bid)).to.equal(false)
+
+      bid = Object.assign({}, REQUEST)
+      delete bid.params
+      expect(spec.isBidRequestValid(bid)).to.equal(false)
+    })
+  })
+
+  describe('buildRequests', function () {
+    let bidRequests = [REQUEST]
+    const bidderRequest = spec.buildRequests(bidRequests, {
+      auctionId: '123',
+      refererInfo: {
+        referer: 'http://test.com/path.html'
+      }
+    })
+
+    it('sends bid request to ENDPOINT via POST', function () {
+      expect(bidderRequest.method).to.equal('POST')
+      expect(bidderRequest.data.requestId).to.equal('123')
+      expect(bidderRequest.data.referer).to.equal('http://test.com/path.html')
+      expect(bidderRequest.data.signRequest.bids).to.deep.contains({ token: 'e64782a4-8e68-4c38-965b-80ccf115d46f', pos: 7, bidFloor: 0.1, width: 300, height: 250, impMediaType: 'Banner' })
+      expect(bidderRequest.data.signRequest.randomUUID).to.equal(undefined)
+      expect(bidderRequest.data.bidIds).to.deep.contains('456')
+      expect(bidderRequest.data.signature).to.equal(undefined)
+      expect(bidderRequest.options.customHeaders).to.deep.equal({ 'Rtb-Direct': true })
+      expect(bidderRequest.options.contentType).to.equal('application/json')
+      expect(bidderRequest.url).to.equal(ENDPOINT)
+    })
+  })
+
+  describe('interpretResponse', function () {
+    it('handles banner request : should get correct bid response', function () {
+      const result = spec.interpretResponse({ body: BIDDER_BANNER_RESPONSE }, {})
+
+      expect(result[0]).to.have.property('ad').equal('<div>test</div>')
+      expect(result[0]).to.have.property('requestId').equal('e64782a4-8e68-4c38-965b-80ccf115d46d')
+      expect(result[0]).to.have.property('cpm').equal(900.5)
+      expect(result[0]).to.have.property('currency').equal('USD')
+      expect(result[0]).to.have.property('width').equal(640)
+      expect(result[0]).to.have.property('height').equal(480)
+      expect(result[0]).to.have.property('ttl').equal(300)
+      expect(result[0]).to.have.property('creativeId').equal(1)
+      expect(result[0]).to.have.property('netRevenue').equal(true)
+      expect(result[0]).to.have.property('winUrl').equal('http://test.com')
+      expect(result[0]).to.have.property('mediaType').equal('banner')
+      expect(result[0].meta).to.exist.property('advertiserDomains')
+      expect(result[0].meta).to.have.property('advertiserDomains').lengthOf(1)
+    })
+
+    it('handles video request : should get correct bid response', function () {
+      const result = spec.interpretResponse({ body: BIDDER_VIDEO_RESPONSE }, {})
+
+      expect(result[0]).to.have.property('ad').equal('<xml>vast</xml>')
+      expect(result[0]).to.have.property('requestId').equal('e64782a4-8e68-4c38-965b-80ccf115d46z')
+      expect(result[0]).to.have.property('cpm').equal(800.4)
+      expect(result[0]).to.have.property('currency').equal('USD')
+      expect(result[0]).to.have.property('width').equal(1024)
+      expect(result[0]).to.have.property('height').equal(768)
+      expect(result[0]).to.have.property('ttl').equal(200)
+      expect(result[0]).to.have.property('creativeId').equal(2)
+      expect(result[0]).to.have.property('netRevenue').equal(true)
+      expect(result[0]).to.have.property('winUrl').equal('http://test.com')
+      expect(result[0]).to.have.property('mediaType').equal('video')
+      expect(result[0]).to.have.property('vastXml').equal('<xml>vast</xml>')
+      expect(result[0].meta).to.exist.property('advertiserDomains')
+      expect(result[0].meta).to.have.property('advertiserDomains').lengthOf(1)
+    })
+
+    it('handles no bid response : should get empty array', function () {
+      let result = spec.interpretResponse({ body: undefined }, {})
+      expect(result).to.deep.equal([])
+
+      result = spec.interpretResponse({ body: BIDDER_NO_BID_RESPONSE }, {})
+      expect(result).to.deep.equal([])
+    })
+  })
+
+  describe('onBidWon', function () {
+    it('handles banner win: should get true', function () {
+      const win = BIDDER_BANNER_RESPONSE.prebidResponse[0]
+      const bidWonResult = spec.onBidWon(win)
+
+      expect(bidWonResult).to.equal(true)
+    })
+  })
+})