PE-110: Add user sync logic to the Prebid Adapter

modules/BTBidAdapter.js

@@ -7,6 +7,7 @@ import { ortbConverter } from '../libraries/ortbConverter/converter.js';
 const BIDDER_CODE = 'blockthrough';
 const GVLID = 815;
 const ENDPOINT_URL = 'https://pbs.btloader.com/openrtb2/auction';
+const SYNC_URL = 'http://temp/sync.html';
 
 const CONVERTER = ortbConverter({
   context: {
@@ -121,13 +122,53 @@ function interpretResponse(serverResponse, request) {
   }).bids;
 }
 
+/**
+ * Generates user synchronization data based on provided options and consents.
+ *
+ * @param {Object} syncOptions - Synchronization options.
+ * @param {Object[]} serverResponses - An array of server responses.
+ * @param {Object} gdprConsent - GDPR consent information.
+ * @param {string} uspConsent - US Privacy consent string.
+ * @param {Object} gppConsent - Google Publisher Policies (GPP) consent information.
+ * @returns {Object[]} An array of user synchronization objects.
+ */
+function getUserSyncs(
+  syncOptions,
+  serverResponses,
+  gdprConsent,
+  uspConsent,
+  gppConsent
+) {
+  let syncs = [];
+  const syncUrl = new URL(SYNC_URL);
+
+  if (gdprConsent) {
+    syncUrl.searchParams.set('gdpr', Number(gdprConsent.gdprApplies));
+    syncUrl.searchParams.set('gdpr_consent', gdprConsent.consentString);
+  }
+  if (gppConsent) {
+    syncUrl.searchParams.set('gpp', gppConsent.gppString);
+    syncUrl.searchParams.set('gpp_sid', gppConsent.applicableSections);
+  }
+  if (uspConsent) {
+    syncUrl.searchParams.set('us_privacy', uspConsent);
+  }
+
+  if (syncOptions.iframeEnabled) {
+    syncs.push({ type: 'iframe', url: syncUrl.href });
+  }
+
+  return syncs;
+}
+
 export const spec = {
   code: BIDDER_CODE,
   gvlid: GVLID,
   supportedMediaTypes: [BANNER],
   isBidRequestValid,
   buildRequests,
   interpretResponse,
+  getUserSyncs,
 };
 
 registerBidder(spec);

test/spec/modules/BTBidAdapte_spec.js

@@ -151,4 +151,49 @@ describe('BT Bid Adapter', () => {
       expect(bids).to.deep.equal(expectedBids);
     });
   });
+
+  describe('getUserSyncs', () => {
+    const SYNC_URL = 'http://temp/sync.html';
+
+    it('should return an empty array if no sync options are provided', () => {
+      const syncs = spec.getUserSyncs({}, [], null, null, null);
+
+      expect(syncs).to.deep.equal([]);
+    });
+
+    it('should include consent parameters in sync URL if they are provided', () => {
+      const gdprConsent = {
+        gdprApplies: true,
+        consentString: 'GDPRConsentString123',
+      };
+      const gppConsent = {
+        gppString: 'GPPString123',
+        applicableSections: ['sectionA'],
+      };
+      const us_privacy = '1YNY';
+      const expectedSyncUrl = `${SYNC_URL}?gdpr=1&gdpr_consent=${gdprConsent.consentString}&gpp=${gppConsent.gppString}&gpp_sid=sectionA&us_privacy=${us_privacy}`;
+
+      const syncs = spec.getUserSyncs(
+        { iframeEnabled: true },
+        [],
+        gdprConsent,
+        us_privacy,
+        gppConsent
+      );
+
+      expect(syncs).to.deep.equal([{ type: 'iframe', url: expectedSyncUrl }]);
+    });
+
+    it('should not include any consent parameters if no consents are provided', () => {
+      const syncs = spec.getUserSyncs(
+        { iframeEnabled: true },
+        [],
+        null,
+        null,
+        null
+      );
+
+      expect(syncs).to.deep.equal([{ type: 'iframe', url: SYNC_URL }]);
+    });
+  });
 });