Holid Bid Adapter: initial release

modules/holidBidAdapter.js

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+import {
+  deepAccess,
+  getBidIdParameter,
+  isStr,
+  logMessage,
+  triggerPixel,
+} from '../src/utils.js'
+import * as events from '../src/events.js'
+import CONSTANTS from '../src/constants.json'
+import { BANNER } from '../src/mediaTypes.js'
+
+import { registerBidder } from '../src/adapters/bidderFactory.js'
+
+const BIDDER_CODE = 'holid'
+const GVLID = 1177
+const ENDPOINT = 'https://helloworld.holid.io/openrtb2/auction'
+const COOKIE_SYNC_ENDPOINT = 'https://null.holid.io/sync.html'
+const TIME_TO_LIVE = 300
+let wurlMap = {}
+
+events.on(CONSTANTS.EVENTS.BID_WON, bidWonHandler)
+
+export const spec = {
+  code: BIDDER_CODE,
+  gvlid: GVLID,
+  supportedMediaTypes: [BANNER],
+
+  isBidRequestValid: function (bid) {
+    return !!bid.params.adUnitID
+  },
+
+  buildRequests: function (validBidRequests, _bidderRequest) {
+    return validBidRequests.map((bid) => {
+      const requestData = {
+        ...bid.ortb2,
+        id: bid.auctionId,
+        imp: [getImp(bid)],
+      }
+
+      return {
+        method: 'POST',
+        url: ENDPOINT,
+        data: JSON.stringify(requestData),
+        bidId: bid.bidId,
+      }
+    })
+  },
+
+  interpretResponse: function (serverResponse, bidRequest) {
+    const bidResponses = []
+
+    if (!serverResponse.body.seatbid) {
+      return []
+    }
+
+    serverResponse.body.seatbid.map((response) => {
+      response.bid.map((bid) => {
+        const requestId = bidRequest.bidId
+        const auctionId = bidRequest.auctionId
+        const wurl = deepAccess(bid, 'ext.prebid.events.win')
+        const bidResponse = {
+          requestId,
+          cpm: bid.price,
+          width: bid.w,
+          height: bid.h,
+          ad: bid.adm,
+          creativeId: bid.crid,
+          currency: serverResponse.body.cur,
+          netRevenue: true,
+          ttl: TIME_TO_LIVE,
+        }
+
+        addWurl({ auctionId, requestId, wurl })
+
+        bidResponses.push(bidResponse)
+      })
+    })
+
+    return bidResponses
+  },
+
+  getUserSyncs(optionsType, serverResponse, gdprConsent, uspConsent) {
+    if (!serverResponse || serverResponse.length === 0) {
+      return []
+    }
+
+    const syncs = []
+
+    if (optionsType.iframeEnabled) {
+      const queryParams = []
+
+      queryParams.push('bidders=' + getBidders(serverResponse))
+      queryParams.push('gdpr=' + +gdprConsent.gdprApplies)
+      queryParams.push('gdpr_consent=' + gdprConsent.consentString)
+      queryParams.push('usp_consent=' + (uspConsent || ''))
+
+      let strQueryParams = queryParams.join('&')
+
+      if (strQueryParams.length > 0) {
+        strQueryParams = '?' + strQueryParams
+      }
+
+      syncs.push({
+        type: 'iframe',
+        url: COOKIE_SYNC_ENDPOINT + strQueryParams + '&type=iframe',
+      })
+
+      return syncs
+    }
+  },
+}
+
+function getImp(bid) {
+  const imp = {
+    ext: {
+      prebid: {
+        storedrequest: {
+          id: getBidIdParameter('adUnitID', bid.params),
+        },
+      },
+    },
+  }
+  const sizes =
+    bid.sizes && !Array.isArray(bid.sizes[0]) ? [bid.sizes] : bid.sizes
+
+  if (deepAccess(bid, 'mediaTypes.banner')) {
+    imp.banner = {
+      format: sizes.map((size) => {
+        return { w: size[0], h: size[1] }
+      }),
+    }
+  }
+
+  return imp
+}
+
+function getBidders(serverResponse) {
+  const bidders = serverResponse
+    .map((res) => Object.keys(res.body.ext.responsetimemillis))
+    .flat(1)
+
+  return encodeURIComponent(JSON.stringify([...new Set(bidders)]))
+}
+
+function addWurl(auctionId, adId, wurl) {
+  if ([auctionId, adId].every(isStr)) {
+    wurlMap[`${auctionId}${adId}`] = wurl
+  }
+}
+
+function removeWurl(auctionId, adId) {
+  delete wurlMap[`${auctionId}${adId}`]
+}
+
+function getWurl(auctionId, adId) {
+  if ([auctionId, adId].every(isStr)) {
+    return wurlMap[`${auctionId}${adId}`]
+  }
+}
+
+function bidWonHandler(bid) {
+  const wurl = getWurl(bid.auctionId, bid.adId)
+  if (wurl) {
+    logMessage(`Invoking image pixel for wurl on BID_WIN: "${wurl}"`)
+    triggerPixel(wurl)
+    removeWurl(bid.auctionId, bid.adId)
+  }
+}
+
+registerBidder(spec)

modules/holidBidAdapter.md

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+# Overview
+
+```
+Module Name: Holid Bid Adapter
+Module Type: Bidder Adapter
+Maintainer: richard@holid.se
+```
+
+# Description
+
+Currently module supports only banner mediaType.
+
+# Test Parameters
+
+## Sample Banner Ad Unit
+
+```js
+var adUnits = [
+  {
+    code: 'bannerAdUnit',
+    mediaTypes: {
+      banner: {
+        sizes: [[300, 250]],
+      },
+    },
+    bids: [
+      {
+        bidder: 'holid',
+        params: {
+          adUnitID: '12345',
+        },
+      },
+    ],
+  },
+]
+```

test/spec/modules/holidBidAdapter_spec.js

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+import { expect } from 'chai'
+import { spec } from 'modules/holidBidAdapter.js'
+
+describe('holidBidAdapterTests', () => {
+  const bidRequestData = {
+    bidder: 'holid',
+    adUnitCode: 'test-div',
+    bidId: 'bid-id',
+    auctionId: 'test-id',
+    params: { adUnitID: '12345' },
+    mediaTypes: { banner: {} },
+    sizes: [[300, 250]],
+    ortb2: {
+      site: {
+        publisher: {
+          domain: 'https://foo.bar',
+        }
+      },
+      regs: {
+        gdpr: 1,
+      },
+      user: {
+        ext: {
+          consent: 'G4ll0p1ng_Un1c0rn5',
+        }
+      },
+      device: {
+        h: 410,
+        w: 1860,
+      }
+    }
+  }
+
+  describe('isBidRequestValid', () => {
+    const bid = JSON.parse(JSON.stringify(bidRequestData))
+
+    it('should return true', () => {
+      expect(spec.isBidRequestValid(bid)).to.equal(true)
+    })
+
+    it('should return false when required params are not passed', () => {
+      const bid = JSON.parse(JSON.stringify(bidRequestData))
+      delete bid.params.adUnitID
+
+      expect(spec.isBidRequestValid(bid)).to.equal(false)
+    })
+  })
+
+  describe('buildRequests', () => {
+    const bid = JSON.parse(JSON.stringify(bidRequestData))
+    const request = spec.buildRequests([bid], bid)
+    const payload = JSON.parse(request[0].data)
+
+    it('should include ext in imp', () => {
+      expect(payload.imp[0].ext).to.exist
+      expect(payload.imp[0].ext).to.deep.equal({
+        prebid: { storedrequest: { id: '12345' } },
+      })
+    })
+
+    it('should include banner format in imp', () => {
+      expect(payload.imp[0].banner).to.exist
+      expect(payload.imp[0].banner).to.deep.equal({
+        format: [{ w: 300, h: 250 }],
+      })
+    })
+
+    it('should include ortb2 first party data', () => {
+      expect(payload.device.w).to.equal(1860)
+      expect(payload.device.h).to.equal(410)
+      expect(payload.user.ext.consent).to.equal('G4ll0p1ng_Un1c0rn5')
+      expect(payload.regs.gdpr).to.equal(1)
+    })
+  })
+
+  describe('interpretResponse', () => {
+    const serverResponse = {
+      body: {
+        id: 'test-id',
+        cur: 'USD',
+        seatbid: [
+          {
+            bid: [
+              {
+                id: 'testbidid',
+                price: 0.4,
+                adm: 'test-ad',
+                adid: 789456,
+                crid: 1234,
+                w: 300,
+                h: 250,
+              },
+            ],
+          },
+        ],
+      },
+    }
+
+    const interpretedResponse = spec.interpretResponse(
+      serverResponse,
+      bidRequestData
+    )
+
+    it('should interpret response', () => {
+      expect(interpretedResponse[0].requestId).to.equal(bidRequestData.bidId)
+      expect(interpretedResponse[0].cpm).to.equal(
+        serverResponse.body.seatbid[0].bid[0].price
+      )
+      expect(interpretedResponse[0].ad).to.equal(
+        serverResponse.body.seatbid[0].bid[0].adm
+      )
+      expect(interpretedResponse[0].creativeId).to.equal(
+        serverResponse.body.seatbid[0].bid[0].crid
+      )
+      expect(interpretedResponse[0].width).to.equal(
+        serverResponse.body.seatbid[0].bid[0].w
+      )
+      expect(interpretedResponse[0].height).to.equal(
+        serverResponse.body.seatbid[0].bid[0].h
+      )
+      expect(interpretedResponse[0].currency).to.equal(serverResponse.body.cur)
+    })
+  })
+
+  describe('getUserSyncs', () => {
+    it('should return user sync', () => {
+      const optionsType = {
+        iframeEnabled: true,
+        pixelEnabled: true,
+      }
+      const serverResponse = [
+        {
+          body: {
+            ext: {
+              responsetimemillis: {
+                'test seat 1': 2,
+                'test seat 2': 1,
+              },
+            },
+          },
+        },
+      ]
+      const gdprConsent = {
+        gdprApplies: 1,
+        consentString: 'dkj49Sjmfjuj34as:12jaf90123hufabidfy9u23brfpoig',
+      }
+      const uspConsent = 'mkjvbiniwot4827obfoy8sdg8203gb'
+      const expectedUserSyncs = [
+        {
+          type: 'iframe',
+          url: 'https://null.holid.io/sync.html?bidders=%5B%22test%20seat%201%22%2C%22test%20seat%202%22%5D&gdpr=1&gdpr_consent=dkj49Sjmfjuj34as:12jaf90123hufabidfy9u23brfpoig&usp_consent=mkjvbiniwot4827obfoy8sdg8203gb&type=iframe',
+        },
+      ]
+
+      const userSyncs = spec.getUserSyncs(
+        optionsType,
+        serverResponse,
+        gdprConsent,
+        uspConsent
+      )
+
+      expect(userSyncs).to.deep.equal(expectedUserSyncs)
+    })
+  })
+})