PubMatic bid adapter to support app object set using setConfig

modules/pubmaticBidAdapter.js

@@ -920,6 +920,11 @@ export const spec = {
     payload.site.page = conf.kadpageurl.trim() || payload.site.page.trim();
     payload.site.domain = _getDomainFromURL(payload.site.page);
 
+    // merge the device from config.getConfig('device')
+    if (typeof config.getConfig('device') === 'object') {
+      payload.device = Object.assign(payload.device, config.getConfig('device'));
+    }
+
     // passing transactionId in source.tid
     utils.deepSetValue(payload, 'source.tid', conf.transactionId);
 
@@ -953,6 +958,16 @@ export const spec = {
     _handleEids(payload, validBidRequests);
     _blockedIabCategoriesValidation(payload, blockedIabCategories);
 
+    // Note: Do not move this block up
+    // if site object is set in Prebid config then we need to copy required fields from site into app and unset the site object
+    if (typeof config.getConfig('app') === 'object') {
+      payload.app = config.getConfig('app');
+      // not copying domain from site as it is a derived value from page
+      payload.app.publisher = payload.site.publisher;
+      payload.app.ext = payload.site.ext || UNDEFINED;
+      delete payload.site;
+    }
+
     return {
       method: 'POST',
       url: ENDPOINT,

test/spec/modules/pubmaticBidAdapter_spec.js

@@ -769,6 +769,70 @@ describe('PubMatic adapter', function () {
         expect(data.source.ext.schain).to.deep.equal(bidRequests[0].schain);
   		});
 
+      it('Merge the device info from config', function() {
+        let sandbox = sinon.sandbox.create();
+        sandbox.stub(config, 'getConfig').callsFake((key) => {
+          var config = {
+            device: {
+              'newkey': 'new-device-data'
+            }
+          };
+          return config[key];
+        });
+        let request = spec.buildRequests(bidRequests);
+        let data = JSON.parse(request.data);
+        expect(data.device.js).to.equal(1);
+        expect(data.device.dnt).to.equal((navigator.doNotTrack == 'yes' || navigator.doNotTrack == '1' || navigator.msDoNotTrack == '1') ? 1 : 0);
+        expect(data.device.h).to.equal(screen.height);
+        expect(data.device.w).to.equal(screen.width);
+        expect(data.device.language).to.equal(navigator.language);
+        expect(data.device.newkey).to.equal('new-device-data');// additional data from config
+        sandbox.restore();
+      });
+
+      it('Merge the device info from config; data from config overrides the info we have gathered', function() {
+        let sandbox = sinon.sandbox.create();
+        sandbox.stub(config, 'getConfig').callsFake((key) => {
+          var config = {
+            device: {
+              newkey: 'new-device-data',
+              language: 'MARATHI'
+            }
+          };
+          return config[key];
+        });
+        let request = spec.buildRequests(bidRequests);
+        let data = JSON.parse(request.data);
+        expect(data.device.js).to.equal(1);
+        expect(data.device.dnt).to.equal((navigator.doNotTrack == 'yes' || navigator.doNotTrack == '1' || navigator.msDoNotTrack == '1') ? 1 : 0);
+        expect(data.device.h).to.equal(screen.height);
+        expect(data.device.w).to.equal(screen.width);
+        expect(data.device.language).to.equal('MARATHI');// // data overriding from config
+        expect(data.device.newkey).to.equal('new-device-data');// additional data from config
+        sandbox.restore();
+      });
+
+      it('Set app from config, copy publisher and ext from site, unset site', function() {
+        let sandbox = sinon.sandbox.create();
+        sandbox.stub(config, 'getConfig').callsFake((key) => {
+          var config = {
+            app: {
+              bundle: 'org.prebid.mobile.demoapp',
+              domain: 'prebid.org'
+            }
+          };
+          return config[key];
+        });
+        let request = spec.buildRequests(bidRequests);
+        let data = JSON.parse(request.data);
+        expect(data.app.bundle).to.equal('org.prebid.mobile.demoapp');
+        expect(data.app.domain).to.equal('prebid.org');
+        expect(data.app.publisher.id).to.equal(bidRequests[0].params.publisherId);
+        expect(data.app.ext.key_val).to.exist.and.to.equal(bidRequests[0].params.dctr);
+        expect(data.site).to.not.exist;
+        sandbox.restore();
+      });
+
       it('Request params check: without adSlot', function () {
         delete bidRequests[0].params.adSlot;
         let request = spec.buildRequests(bidRequests);