Adjust imp.BidFloor using BidAdjustment (#3063)

* BidAdjustment for imp.BidFloor * Adding function to check if adjustForBidAdjustment is enabled * Adding check for empty bidAdjustmentFactors
prebid · Sep 12, 2023 · 2e056bf · 2e056bf
1 parent 4ec839e
commit 2e056bf
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Showing 4 changed files with 280 additions and 18 deletions.
diff --git a/config/account.go b/config/account.go
@@ -85,6 +85,10 @@ func (pf *AccountPriceFloors) validate(errs []error) []error {
 	return errs
 }
 
+func (pf *AccountPriceFloors) IsAdjustForBidAdjustmentEnabled() bool {
+	return pf.AdjustForBidAdjustment
+}
+
 // EnabledForChannelType indicates whether CCPA is turned on at the account level for the specified channel type
 // by using the channel type setting if defined or the general CCPA setting if defined; otherwise it returns nil
 func (a *AccountCCPA) EnabledForChannelType(channelType ChannelType) *bool {

diff --git a/exchange/exchange.go b/exchange/exchange.go
@@ -319,7 +319,7 @@ func (e *exchange) HoldAuction(ctx context.Context, r *AuctionRequest, debugLog
 		Prebid: *requestExtPrebid,
 		SChain: requestExt.GetSChain(),
 	}
-	bidderRequests, privacyLabels, errs := e.requestSplitter.cleanOpenRTBRequests(ctx, *r, requestExtLegacy, gdprDefaultValue)
+	bidderRequests, privacyLabels, errs := e.requestSplitter.cleanOpenRTBRequests(ctx, *r, requestExtLegacy, gdprDefaultValue, bidAdjustmentFactors)
 	errs = append(errs, floorErrs...)
 
 	mergedBidAdj, err := bidadjustment.Merge(r.BidRequestWrapper, r.Account.BidAdjustments)

diff --git a/exchange/utils.go b/exchange/utils.go
@@ -54,7 +54,7 @@ type requestSplitter struct {
 func (rs *requestSplitter) cleanOpenRTBRequests(ctx context.Context,
 	auctionReq AuctionRequest,
 	requestExt *openrtb_ext.ExtRequest,
-	gdprDefaultValue gdpr.Signal,
+	gdprDefaultValue gdpr.Signal, bidAdjustmentFactors map[string]float64,
 ) (allowedBidderRequests []BidderRequest, privacyLabels metrics.PrivacyLabels, errs []error) {
 
 	req := auctionReq.BidRequestWrapper
@@ -93,6 +93,11 @@ func (rs *requestSplitter) cleanOpenRTBRequests(ctx context.Context,
 		}
 	}
 
+	if auctionReq.Account.PriceFloors.IsAdjustForBidAdjustmentEnabled() {
+		//Apply BidAdjustmentFactor to imp.BidFloor
+		applyBidAdjustmentToFloor(allBidderRequests, bidAdjustmentFactors)
+	}
+
 	gdprSignal, err := getGDPR(req)
 	if err != nil {
 		errs = append(errs, err)
@@ -1071,3 +1076,25 @@ func getPrebidMediaTypeForBid(bid openrtb2.Bid) (openrtb_ext.BidType, error) {
 		Message: errMsg,
 	}
 }
+
+func applyBidAdjustmentToFloor(allBidderRequests []BidderRequest, bidAdjustmentFactors map[string]float64) {
+
+	if len(bidAdjustmentFactors) == 0 {
+		return
+	}
+
+	for _, bidderRequest := range allBidderRequests {
+		bidAdjustment := 1.0
+
+		if bidAdjustemntValue, ok := bidAdjustmentFactors[string(bidderRequest.BidderName)]; ok {
+			bidAdjustment = bidAdjustemntValue
+		}
+
+		if bidAdjustment != 1.0 {
+			for index, imp := range bidderRequest.BidRequest.Imp {
+				imp.BidFloor = imp.BidFloor / bidAdjustment
+				bidderRequest.BidRequest.Imp[index] = imp
+			}
+		}
+	}
+}