add sovrn analytics adapter

modules/sovrnAnalyticsAdapter.js

@@ -0,0 +1,218 @@
+import adapter from 'src/AnalyticsAdapter'
+import adaptermanager from 'src/adaptermanager'
+import CONSTANTS from 'src/constants.json'
+import {ajaxBuilder} from 'src/ajax'
+import * as utils from 'src/utils'
+import {config} from 'src/config'
+
+const ajax = ajaxBuilder(0)
+
+const {
+  EVENTS: {
+    AUCTION_END,
+    BID_REQUESTED,
+    BID_ADJUSTMENT,
+    BID_RESPONSE,
+    BID_WON
+  }
+} = CONSTANTS
+
+const PBA_URL = 'http://pba-collector-adapter.us-east-2.elasticbeanstalk.com/analytics'
+let currentAuctions = {};
+const analyticsType = 'endpoint';
+
+let sovrnAnalyticsAdapter = Object.assign(adapter({url: PBA_URL, analyticsType}), {
+  track({ eventType, args }) {
+    if (eventType === BID_WON) {
+      new BidWinner(this.affiliateId, args).send();
+      return
+    }
+    if (args.auctionId && currentAuctions[args.auctionId] === undefined) {
+      currentAuctions[args.auctionId] = new AuctionData(this.affiliateId, args.auctionId);
+    }
+    switch (eventType) {
+      case BID_REQUESTED:
+        currentAuctions[args.auctionId].bidRequested(args)
+        break
+      case BID_ADJUSTMENT:
+        currentAuctions[args.auctionId].originalBid(args)
+        break
+      case BID_RESPONSE:
+        currentAuctions[args.auctionId].adjustedBid(args)
+        break
+      case AUCTION_END:
+        currentAuctions[args.auctionId].send();
+        break
+    }
+  },
+})
+
+sovrnAnalyticsAdapter.getAuctions = function () {
+  return currentAuctions;
+};
+
+sovrnAnalyticsAdapter.originEnableAnalytics = sovrnAnalyticsAdapter.enableAnalytics;
+
+// override enableAnalytics so we can get access to the config passed in from the page
+sovrnAnalyticsAdapter.enableAnalytics = function (config) {
+  let affiliateId = ''
+  if (config && config.options && config.options.affiliateId) {
+    affiliateId = config.options.affiliateId;
+  } else {
+    utils.logError('Need affiliate Id to log auction results. Please contact a Sovrn representative if you do not know your affiliate Id.')
+    return
+  }
+  sovrnAnalyticsAdapter.affiliateId = affiliateId
+  sovrnAnalyticsAdapter.originEnableAnalytics(config) // call the base class function
+};
+
+adaptermanager.registerAnalyticsAdapter({
+  adapter: sovrnAnalyticsAdapter,
+  code: 'sovrn'
+});
+
+/** Class Representing a Winning Bid */
+class BidWinner {
+  /**
+   * Creates a new bid winner
+   * @param {string} affiliateId - the affiliate id from the analytics config
+   * @param {*} event - the args object from the auction event
+   */
+  constructor(affiliateId, event) {
+    this.body = {}
+    this.body.prebidVersion = $$PREBID_GLOBAL$$.version
+    this.body.affiliateId = affiliateId
+    this.body.winningBid = JSON.parse(JSON.stringify(event))
+    this.body.url = utils.getTopWindowLocation().href
+    this.body.payload = 'winner'
+    delete this.body.winningBid.ad
+  }
+
+  /**
+   * Sends the auction to the the ingest server
+   */
+  send() {
+    utils.logInfo(this.body)
+    ajax(
+      PBA_URL,
+      null,
+      JSON.stringify(this.body),
+      {
+        contentType: 'application/json',
+        method: 'POST',
+      }
+    )
+  }
+}
+
+/** Class representing an Auction */
+class AuctionData {
+  /**
+   * Create a new auction data collector
+   * @param {string} affiliateId - the affiliate id from the analytics config
+   * @param {string} auctionId - the auction id from the auction event
+   */
+  constructor(affiliateId, auctionId) {
+    this.auction = {}
+    this.auction.prebidVersion = $$PREBID_GLOBAL$$.version
+    this.auction.affiliateId = affiliateId
+    this.auction.auctionId = auctionId
+    this.auction.payload = 'auction'
+    this.auction.timeouts = {
+      buffer: config.getConfig('timeoutBuffer'),
+      bidder: config.getConfig('bidderTimeout'),
+    }
+    this.auction.priceGranularity = config.getConfig('priceGranularity')
+    this.auction.url = utils.getTopWindowLocation().href
+    this.auction.requests = []
+    this.auction.unsynced = []
+    this.dropBidFields = ['auctionId', 'ad', 'requestId', 'bidderCode']
+  }
+
+  /**
+   * Record a bid request event
+   * @param {*} event - the args object from the auction event
+   */
+  bidRequested(event) {
+    delete event.doneCbCallCount
+    delete event.auctionId
+    this.auction.requests.push(JSON.parse(JSON.stringify(event)))
+  }
+
+  /**
+   * Finds the bid from the auction that the event is associated with
+   * @param {*} event - the args object from the auction event
+   * @return {*} - the bid
+   */
+  findBid(event) {
+    const bidder = this.auction.requests.find(r => (r.bidderCode === event.bidderCode))
+    if (!bidder) {
+      this.auction.unsynced.push(event)
+    }
+    let bid = bidder.bids.find(b => (b.bidId === event.requestId))
+
+    if (!bid) {
+      event.unmatched = true
+      bidder.bids.push(event)
+    }
+    return bid
+  }
+
+  /**
+   * Records the original bid before any adjustments have been made
+   * @param {*} event - the args object from the auction event
+   * NOTE: the bid adjustment occurs before the bid response
+   * the bid adjustment seems to be the bid ready to be adjusted
+   */
+  originalBid(event) {
+    let bid = this.findBid(event)
+    if (bid) {
+      Object.assign(bid, JSON.parse(JSON.stringify(event)))
+      this.dropBidFields.forEach((f) => delete bid[f])
+    }
+  }
+
+  /**
+   * Replaces original values with adjusted values and records the original values for changed values
+   * in bid.originalValues
+   * @param {*} event - the args object from the auction event
+   */
+  adjustedBid(event) {
+    let bid = this.findBid(event)
+    if (bid) {
+      bid.originalValues = Object.keys(event).reduce((o, k) => {
+        if (JSON.stringify(bid[k]) !== JSON.stringify(event[k]) && !this.dropBidFields.includes(k)) {
+          o[k] = bid[k]
+          bid[k] = event[k]
+        }
+        return o
+      }, {})
+    }
+  }
+
+  /**
+   * Sends the auction to the the ingest server
+   */
+  send() {
+    let maxbid = {cpm: 0}
+    this.auction.requests.forEach(request => {
+      request.bids.forEach(bid => {
+        if (bid.cpm > maxbid.cpm) {
+          maxbid = bid
+        }
+      })
+    })
+    maxbid.isAuctionWinner = true
+    ajax(
+      PBA_URL,
+      () => { delete currentAuctions[this.auction.auctionId] },
+      JSON.stringify(this.auction),
+      {
+        contentType: 'application/json',
+        method: 'POST',
+      }
+    )
+  }
+}
+
+export default sovrnAnalyticsAdapter;