From c6723355530324984f21812b91a0a5c0dd8a0df2 Mon Sep 17 00:00:00 2001
From: "Timothy M. Ace" <tace@imds.tv>
Date: Tue, 31 May 2022 16:24:28 -0400
Subject: [PATCH] CAPT-74: Pass ext section of each bid for prebid slot ID and
 GPID

---
 modules/synacormediaBidAdapter.js             | 13 +++-
 .../modules/synacormediaBidAdapter_spec.js    | 74 +++++++++++++++++++
 2 files changed, 85 insertions(+), 2 deletions(-)

diff --git a/modules/synacormediaBidAdapter.js b/modules/synacormediaBidAdapter.js
index 4cc648a2e04..76e33ffbf79 100644
--- a/modules/synacormediaBidAdapter.js
+++ b/modules/synacormediaBidAdapter.js
@@ -1,6 +1,6 @@
 'use strict';
 
-import {deepSetValue, getAdUnitSizes, isFn, isPlainObject, logWarn} from '../src/utils.js';
+import {deepAccess, deepSetValue, getAdUnitSizes, isFn, isPlainObject, logWarn} from '../src/utils.js';
 import {registerBidder} from '../src/adapters/bidderFactory.js';
 import {BANNER, VIDEO} from '../src/mediaTypes.js';
 import {includes} from '../src/polyfill.js';
@@ -79,7 +79,16 @@ export const spec = {
         imps = this.buildVideoImpressions(adSizes, bid, tagIdOrPlacementId, pos, videoOrBannerKey);
       }
       if (imps.length > 0) {
-        imps.forEach(i => openRtbBidRequest.imp.push(i));
+        imps.forEach(i => {
+          // Deeply add ext section to all imp[] for GPID, prebid slot id, and anything else down the line
+          const extSection = deepAccess(bid, 'ortb2Imp.ext');
+          if (extSection) {
+            deepSetValue(i, 'ext', extSection);
+          }
+
+          // Add imp[] to request object
+          openRtbBidRequest.imp.push(i);
+        });
       }
     });
 
diff --git a/test/spec/modules/synacormediaBidAdapter_spec.js b/test/spec/modules/synacormediaBidAdapter_spec.js
index b9a02799219..2779658ff6a 100644
--- a/test/spec/modules/synacormediaBidAdapter_spec.js
+++ b/test/spec/modules/synacormediaBidAdapter_spec.js
@@ -1362,4 +1362,78 @@ describe('synacormediaBidAdapter ', function () {
       expect(videoRequest.data.imp[0].bidfloor).to.equal(priceModuleFloor);
     });
   });
+
+  describe('Bid Requests with gpid or anything in bid.ext should use if available', function () {
+    let validVideoBidRequest = {
+      bidder: 'synacormedia',
+      params: {
+        seatId: 'prebid',
+        placementId: 'demo1',
+        pos: 1,
+        video: {}
+      },
+      renderer: {
+        url: '../syncOutstreamPlayer.js'
+      },
+      ortb2Imp: {
+        ext: {
+          gpid: '/1111/homepage-video',
+	          data: {
+            pbadslot: '/1111/homepage-video'
+          }
+        }
+      },
+      mediaTypes: {
+        video: {
+          playerSize: [[300, 250]],
+          context: 'outstream'
+        }
+      },
+      adUnitCode: 'div-1',
+      transactionId: '0869f34e-090b-4b20-84ee-46ff41405a39',
+      sizes: [[300, 250]],
+      bidId: '22b3a2268d9f0e',
+      bidderRequestId: '1d195910597e13',
+      auctionId: '3375d336-2aea-4ee7-804c-6d26b621ad20',
+      src: 'client',
+      bidRequestsCount: 1,
+      bidderRequestsCount: 1,
+      bidderWinsCount: 0
+    };
+
+    let validBannerBidRequest = {
+      bidId: '9876abcd',
+      sizes: [[300, 250]],
+      params: {
+        seatId: 'prebid',
+        placementId: '1234',
+      },
+      ortb2Imp: {
+        ext: {
+          gpid: '/1111/homepage-banner',
+	          data: {
+            pbadslot: '/1111/homepage-banner'
+          }
+        }
+      }
+    };
+
+    let bidderRequest = {
+      refererInfo: {
+        referer: 'http://localhost:9999/'
+      },
+      bidderCode: 'synacormedia',
+      auctionId: 'f8a75621-d672-4cbb-9275-3db7d74fb110'
+    };
+
+    it('should return valid gpid and pbadslot', function () {
+      let videoRequest = spec.buildRequests([validVideoBidRequest], bidderRequest);
+      let bannerRequest = spec.buildRequests([validBannerBidRequest], bidderRequest);
+
+      expect(videoRequest.data.imp[0].ext.gpid).to.equal('/1111/homepage-video');
+      expect(videoRequest.data.imp[0].ext.data.pbadslot).to.equal('/1111/homepage-video');
+      expect(bannerRequest.data.imp[0].ext.gpid).to.equal('/1111/homepage-banner');
+      expect(bannerRequest.data.imp[0].ext.data.pbadslot).to.equal('/1111/homepage-banner');
+    });
+  });
 });