Lemma Bid Adapter: accepting the floor to use the getFloor function

modules/lemmaBidAdapter.js

@@ -84,6 +84,30 @@ function _initConf(refererInfo) {
   return conf;
 }
 
+function _setFloor(impObj, bid) {
+  let bidFloor = -1;
+  // get lowest floor from floorModule
+  if (typeof bid.getFloor === 'function') {
+    [BANNER, VIDEO].forEach(mediaType => {
+      if (impObj.hasOwnProperty(mediaType)) {
+        let floorInfo = bid.getFloor({ currency: impObj.bidfloorcur, mediaType: mediaType, size: '*' });
+        if (typeof floorInfo === 'object' && floorInfo.currency === impObj.bidfloorcur && !isNaN(parseInt(floorInfo.floor))) {
+          let mediaTypeFloor = parseFloat(floorInfo.floor);
+          bidFloor = (bidFloor == -1 ? mediaTypeFloor : Math.min(mediaTypeFloor, bidFloor))
+        }
+      }
+    });
+  }
+  // get highest from impObj.bidfllor and floor from floor module
+  // as we are using Math.max, it is ok if we have not got any floor from floorModule, then value of bidFloor will be -1
+  if (impObj.bidfloor) {
+    bidFloor = Math.max(bidFloor, impObj.bidfloor)
+  }
+
+  // assign value only if bidFloor is > 0
+  impObj.bidfloor = ((!isNaN(bidFloor) && bidFloor > 0) ? bidFloor : undefined);
+}
+
 function parseRTBResponse(request, response) {
   var bidResponses = [];
   try {
@@ -352,11 +376,9 @@ function _getImpressionObject(bid) {
     secure: window.location.protocol === 'https:' ? 1 : 0,
     bidfloorcur: params.currency ? params.currency : DEFAULT_CURRENCY
   };
-
   if (params.bidFloor) {
     impression.bidfloor = params.bidFloor;
   }
-
   if (bid.hasOwnProperty('mediaTypes')) {
     for (mediaTypes in bid.mediaTypes) {
       switch (mediaTypes) {
@@ -392,7 +414,7 @@ function _getImpressionObject(bid) {
     }
     impression.banner = bObj;
   }
-
+  _setFloor(impression, bid);
   return impression.hasOwnProperty(BANNER) ||
         impression.hasOwnProperty(VIDEO) ? impression : undefined;
 }

test/spec/modules/lemmaBidAdapter_spec.js

@@ -23,6 +23,7 @@ describe('lemmaBidAdapter', function() {
         pubId: 1001,
         adunitId: 1,
         currency: 'AUD',
+        bidFloor: 1.3,
         geo: {
           lat: '12.3',
           lon: '23.7',
@@ -46,6 +47,7 @@ describe('lemmaBidAdapter', function() {
       params: {
         pubId: 1001,
         adunitId: 1,
+        bidFloor: 1.3,
         video: {
           mimes: ['video/mp4', 'video/x-flv'],
           skippable: true,
@@ -161,6 +163,7 @@ describe('lemmaBidAdapter', function() {
         expect(data.site.publisher.id).to.equal(bidRequests[0].params.pubId.toString()); // publisher Id
         expect(data.imp[0].tagid).to.equal('1'); // tagid
         expect(data.imp[0].bidfloorcur).to.equal(bidRequests[0].params.currency);
+        expect(data.imp[0].bidfloor).to.equal(bidRequests[0].params.bidFloor);
       });
       it('Request params check without mediaTypes object', function() {
         var bidRequests = [{
@@ -192,6 +195,7 @@ describe('lemmaBidAdapter', function() {
         expect(data.site.publisher.id).to.equal(bidRequests[0].params.pubId.toString()); // publisher Id
         expect(data.imp[0].tagid).to.equal(undefined); // tagid
         expect(data.imp[0].bidfloorcur).to.equal(bidRequests[0].params.currency);
+        expect(data.imp[0].bidfloor).to.equal(bidRequests[0].params.bidFloor);
       });
       it('Request params multi size format object check', function() {
         var bidRequests = [{
@@ -309,6 +313,77 @@ describe('lemmaBidAdapter', function() {
         expect(data.imp[0]['video']['w']).to.equal(videoBidRequests[0].mediaTypes.video.playerSize[0]);
         expect(data.imp[0]['video']['h']).to.equal(videoBidRequests[0].mediaTypes.video.playerSize[1]);
       });
+      describe('setting imp.floor using floorModule', function() {
+        /*
+        Use the minimum value among floor from floorModule per mediaType
+        If params.bidFloor is set then take max(floor, min(floors from floorModule))
+        set imp.bidfloor only if it is more than 0
+        */
+
+        let newRequest;
+        let floorModuleTestData;
+        let getFloor = function(req) {
+          return floorModuleTestData[req.mediaType];
+        };
+
+        beforeEach(() => {
+          floorModuleTestData = {
+            'banner': {
+              'currency': 'USD',
+              'floor': 1.50
+            },
+            'video': {
+              'currency': 'USD',
+              'floor': 2.00
+            }
+          };
+          newRequest = utils.deepClone(bidRequests);
+          newRequest[0].getFloor = getFloor;
+        });
+
+        it('bidfloor should be undefined if calculation is <= 0', function() {
+          floorModuleTestData.banner.floor = 0; // lowest of them all
+          newRequest[0].params.bidFloor = undefined;
+          let request = spec.buildRequests(newRequest);
+          let data = JSON.parse(request.data);
+          data = data.imp[0];
+          expect(data.bidfloor).to.equal(undefined);
+        });
+
+        it('ignore floormodule o/p if floor is not number', function() {
+          floorModuleTestData.banner.floor = 'INR';
+          newRequest[0].params.bidFloor = undefined;
+          let request = spec.buildRequests(newRequest);
+          let data = JSON.parse(request.data);
+          data = data.imp[0];
+          expect(data.bidfloor).to.equal(undefined); // video will be lowest now
+        });
+
+        it('ignore floormodule o/p if currency is not matched', function() {
+          floorModuleTestData.banner.currency = 'INR';
+          newRequest[0].params.bidFloor = undefined;
+          let request = spec.buildRequests(newRequest);
+          let data = JSON.parse(request.data);
+          data = data.imp[0];
+          expect(data.bidfloor).to.equal(undefined); // video will be lowest now
+        });
+
+        it('bidFloor is not passed, use minimum from floorModule', function() {
+          newRequest[0].params.bidFloor = undefined;
+          let request = spec.buildRequests(newRequest);
+          let data = JSON.parse(request.data);
+          data = data.imp[0];
+          expect(data.bidfloor).to.equal(undefined);
+        });
+
+        it('bidFloor is passed as 1, use min of floorModule as it is highest', function() {
+          newRequest[0].params.bidFloor = '1.0';// yes, we want it as a string
+          let request = spec.buildRequests(newRequest);
+          let data = JSON.parse(request.data);
+          data = data.imp[0];
+          expect(data.bidfloor).to.equal(1);
+        });
+      });
       describe('Response checking', function() {
         it('should check for valid response values', function() {
           var request = spec.buildRequests(bidRequests);