Update TrustX Bid Adapter to support gdpr (prebid#2565)

* Add trustx adapter and tests for it

* update integration example

* Update trustx adapter

* Post-review fixes of Trustx adapter

* Code improvement for trustx adapter: changed default price type from gross to net

* Update TrustX adapter to support the 1.0 version

* Make requested changes for TrustX adapter

* Updated markdown file for TrustX adapter

* Fix TrustX adapter and spec file

* Update TrustX adapter: r parameter was added to ad request as cache buster

* Add support of gdpr to Trustx Bid Adapter

modules/trustxBidAdapter.js

@@ -30,9 +30,10 @@ export const spec = {
    * Make a server request from the list of BidRequests.
    *
    * @param {BidRequest[]} validBidRequests - an array of bids
+   * @param {bidderRequest} - bidder request object
    * @return ServerRequest Info describing the request to the server.
    */
-  buildRequests: function(validBidRequests) {
+  buildRequests: function(validBidRequests, bidderRequest) {
     const auids = [];
     const bidsMap = {};
     const bids = validBidRequests || [];
@@ -59,6 +60,15 @@ export const spec = {
       r: reqId
     };
 
+    if (bidderRequest && bidderRequest.gdprConsent) {
+      if (bidderRequest.gdprConsent.consentString) {
+        payload.gdpr_consent = bidderRequest.gdprConsent.consentString;
+      }
+      payload.gdpr_applies =
+        (typeof bidderRequest.gdprConsent.gdprApplies === 'boolean')
+          ? Number(bidderRequest.gdprConsent.gdprApplies) : 1;
+    }
+
     return {
       method: 'GET',
       url: ENDPOINT_URL,

test/spec/modules/trustxBidAdapter_spec.js

@@ -118,6 +118,30 @@ describe('TrustXAdapter', function () {
       expect(payload).to.have.property('r', '22edbae2733bf6');
       delete bidRequests[1].params.priceType;
     });
+
+    it('if gdprConsent is present payload must have gdpr params', () => {
+      const request = spec.buildRequests(bidRequests, {gdprConsent: {consentString: 'AAA', gdprApplies: true}});
+      const payload = request.data;
+      expect(payload).to.be.an('object');
+      expect(payload).to.have.property('gdpr_consent', 'AAA');
+      expect(payload).to.have.property('gdpr_applies', 1);
+    });
+
+    it('if gdprApplies is false gdpr_applies must be 0', () => {
+      const request = spec.buildRequests(bidRequests, {gdprConsent: {consentString: 'AAA', gdprApplies: false}});
+      const payload = request.data;
+      expect(payload).to.be.an('object');
+      expect(payload).to.have.property('gdpr_consent', 'AAA');
+      expect(payload).to.have.property('gdpr_applies', 0);
+    });
+
+    it('if gdprApplies is undefined gdpr_applies must be 1', () => {
+      const request = spec.buildRequests(bidRequests, {gdprConsent: {consentString: 'AAA'}});
+      const payload = request.data;
+      expect(payload).to.be.an('object');
+      expect(payload).to.have.property('gdpr_consent', 'AAA');
+      expect(payload).to.have.property('gdpr_applies', 1);
+    });
   });
 
   describe('interpretResponse', () => {