fluct Bid Adapter: add gpid to bid requests

modules/fluctBidAdapter.js

@@ -43,16 +43,20 @@ export const spec = {
     const page = bidderRequest.refererInfo.page;
 
     _each(validBidRequests, (request) => {
+      const impExt = request.ortb2Imp?.ext;
       const data = Object();
 
       data.page = page;
       data.adUnitCode = request.adUnitCode;
       data.bidId = request.bidId;
-      data.transactionId = request.ortb2Imp?.ext?.tid;
       data.user = {
         eids: (request.userIdAsEids || []).filter((eid) => SUPPORTED_USER_ID_SOURCES.indexOf(eid.source) !== -1)
       };
 
+      if (impExt) {
+        data.transactionId = impExt.tid;
+        data.gpid = impExt.gpid ?? impExt.data?.pbadslot ?? impExt.data?.adserver?.adslot;
+      }
       if (bidderRequest.gdprConsent) {
         deepSetValue(data, 'regs.gdpr', {
           consent: bidderRequest.gdprConsent.consentString,

test/spec/modules/fluctBidAdapter_spec.js

@@ -99,6 +99,79 @@ describe('fluctAdapter', function () {
       expect(request.data.page).to.eql('http://example.com');
     });
 
+    it('sends no transactionId by default', function () {
+      const request = spec.buildRequests(bidRequests, bidderRequest)[0];
+      expect(request.data.transactionId).to.eql(undefined);
+    });
+
+    it('sends ortb2Imp.ext.tid as transactionId', function () {
+      const request = spec.buildRequests(bidRequests.map((req) => ({
+        ...req,
+        ortb2Imp: {
+          ext: {
+            tid: 'tid',
+          }
+        },
+      })), bidderRequest)[0];
+      expect(request.data.transactionId).to.eql('tid');
+    });
+
+    it('sends no gpid by default', function () {
+      const request = spec.buildRequests(bidRequests, bidderRequest)[0];
+      expect(request.data.gpid).to.eql(undefined);
+    });
+
+    it('sends ortb2Imp.ext.gpid as gpid', function () {
+      const request = spec.buildRequests(bidRequests.map((req) => ({
+        ...req,
+        ortb2Imp: {
+          ext: {
+            gpid: 'gpid',
+            data: {
+              pbadslot: 'data-pbadslot',
+              adserver: {
+                adslot: 'data-adserver-adslot',
+              },
+            },
+          },
+        },
+      })), bidderRequest)[0];
+      expect(request.data.gpid).to.eql('gpid');
+    });
+
+    it('sends ortb2Imp.ext.data.pbadslot as gpid', function () {
+      const request = spec.buildRequests(bidRequests.map((req) => ({
+        ...req,
+        ortb2Imp: {
+          ext: {
+            data: {
+              pbadslot: 'data-pbadslot',
+              adserver: {
+                adslot: 'data-adserver-adslot',
+              },
+            },
+          },
+        },
+      })), bidderRequest)[0];
+      expect(request.data.gpid).to.eql('data-pbadslot');
+    });
+
+    it('sends ortb2Imp.ext.data.adserver.adslot as gpid', function () {
+      const request = spec.buildRequests(bidRequests.map((req) => ({
+        ...req,
+        ortb2Imp: {
+          ext: {
+            data: {
+              adserver: {
+                adslot: 'data-adserver-adslot',
+              },
+            },
+          },
+        },
+      })), bidderRequest)[0];
+      expect(request.data.gpid).to.eql('data-adserver-adslot');
+    });
+
     it('includes data.user.eids = [] by default', function () {
       const request = spec.buildRequests(bidRequests, bidderRequest)[0];
       expect(request.data.user.eids).to.eql([]);