Yieldmo Bid Adapter : send topics in the Bid Request (prebid#10892)

* Adding topics to bid request

Getting topics and adding them to bid request.

* converting topics to numbers

* Adding unit tests

modules/yieldmoBidAdapter.js

@@ -75,7 +75,7 @@ export const spec = {
     const videoBidRequests = bidRequests.filter(request => hasVideoMediaType(request));
     let serverRequests = [];
     const eids = getEids(bidRequests[0]) || [];
-
+    const topicsData = getTopics(bidderRequest);
     if (bannerBidRequests.length > 0) {
       let serverRequest = {
         pbav: '$prebid.version$',
@@ -97,6 +97,9 @@ export const spec = {
         }),
         us_privacy: deepAccess(bidderRequest, 'uspConsent') || '',
       };
+      if (topicsData) {
+        serverRequest.topics = topicsData;
+      }
 
       if (canAccessTopWindow()) {
         serverRequest.pr = (LOCAL_WINDOW.document && LOCAL_WINDOW.document.referrer) || '';
@@ -161,6 +164,9 @@ export const spec = {
 
     if (videoBidRequests.length > 0) {
       const serverRequest = openRtbRequest(videoBidRequests, bidderRequest);
+      if (topicsData) {
+        serverRequest.topics = topicsData;
+      }
       if (eids.length) {
         serverRequest.user = { eids };
       };
@@ -416,10 +422,28 @@ function openRtbRequest(bidRequests, bidderRequest) {
     openRtbRequest.auctionId = bidRequests[0].auctionId;
   }
   populateOpenRtbGdpr(openRtbRequest, bidderRequest);
-
   return openRtbRequest;
 }
 
+function getTopics(bidderRequest) {
+  const userData = deepAccess(bidderRequest, 'ortb2.user.data') || [];
+  const topicsData = userData.filter((dataObj) => {
+    const segtax = dataObj.ext?.segtax;
+    return segtax >= 600 && segtax <= 609;
+  })[0];
+
+  if (topicsData) {
+    let topicsObject = {
+      taxonomy: topicsData.ext.segtax,
+      classifier: topicsData.ext.segclass,
+      // topics needs to be array of numbers
+      topics: Object.values(topicsData.segment).map(i => Number(i)),
+    };
+    return topicsObject;
+  }
+  return null;
+}
+
 /**
  * @param {BidRequest} bidRequest bidder request object.
  * @return Object OpenRTB's 'imp' (impression) object

test/spec/modules/yieldmoBidAdapter_spec.js

@@ -394,6 +394,25 @@ describe('YieldmoAdapter', function () {
         expect(placementInfo).to.include('"gpid":"/6355419/Travel/Europe/France/Paris"');
       });
 
+      it('should add topics to the banner bid request', function () {
+        const biddata = build([mockBannerBid()], mockBidderRequest({ortb2: { user: {
+          data: [
+            {
+              ext: {
+                segtax: 600,
+                segclass: '2206021246',
+              },
+              segment: ['7', '8', '9'],
+            },
+          ],
+        }}}));
+        expect(biddata[0].data.topics).to.deep.equal({
+          taxonomy: 600,
+          classifier: '2206021246',
+          topics: [7, 8, 9],
+        });
+      });
+
       it('should add eids to the banner bid request', function () {
         const params = {
           userIdAsEids: [{
@@ -620,6 +639,34 @@ describe('YieldmoAdapter', function () {
         };
         expect(buildAndGetData([mockVideoBid({...params})]).user.eids).to.eql(params.fakeUserIdAsEids);
       });
+
+      it('should add topics to the bid request', function () {
+        let videoBidder = mockBidderRequest(
+          {
+            ortb2: {
+              user: {
+                data: [
+                  {
+                    ext: {
+                      segtax: 600,
+                      segclass: '2206021246',
+                    },
+                    segment: ['7', '8', '9'],
+                  },
+                ],
+              },
+            },
+          },
+          [mockVideoBid()]
+        );
+        let payload = buildAndGetData([mockVideoBid()], 0, videoBidder);
+        expect(payload.topics).to.deep.equal({
+          taxonomy: 600,
+          classifier: '2206021246',
+          topics: [7, 8, 9],
+        });
+      });
+
       it('should add device info to payload if available', function () {
         let videoBidder = mockBidderRequest({ ortb2: {
           device: {