From a051204a452172411997d1a78661536c394232b4 Mon Sep 17 00:00:00 2001
From: QuentinGallard <quentin.gallard@digitalnolimit.com>
Date: Thu, 13 Jun 2024 16:28:17 +0200
Subject: [PATCH] SmileWanted : add schain support

---
 modules/smilewantedBidAdapter.js              | 31 ++++--
 .../modules/smilewantedBidAdapter_spec.js     | 95 ++++++++++++++++++-
 2 files changed, 119 insertions(+), 7 deletions(-)

diff --git a/modules/smilewantedBidAdapter.js b/modules/smilewantedBidAdapter.js
index 7d4a4bca6157..0604a0c45c9e 100644
--- a/modules/smilewantedBidAdapter.js
+++ b/modules/smilewantedBidAdapter.js
@@ -52,6 +52,24 @@ export const spec = {
     return true;
   },
 
+  /**
+   * Serialize the supply chain object to a string uri encoded
+   *
+   * @param {*} schain object
+   */
+  serializeSupplyChain: function(schain) {
+    if (!schain?.nodes) return null;
+    const nodesProperties = ['asi', 'sid', 'hp', 'rid', 'name', 'domain', 'ext'];
+
+    const header = `${schain.ver},${schain.complete}!`;
+    const nodes = schain.nodes.map(node => nodesProperties.map(prop =>
+      node[prop] ? encodeURIComponent(node[prop]) : '')
+      .join(','))
+      .join('!');
+
+    return header + nodes;
+  },
+
   /**
    * Make a server request from the list of BidRequests.
    *
@@ -82,7 +100,8 @@ export const spec = {
         or from mediaTypes.banner.pos
          */
         positionType: bid.params.positionType || '',
-        prebidVersion: '$prebid.version$'
+        prebidVersion: '$prebid.version$',
+        schain: spec.serializeSupplyChain(bid.schain)
       };
 
       const floor = getBidFloor(bid);
@@ -154,16 +173,16 @@ export const spec = {
       if (response) {
         const dealId = response.dealId || '';
         const bidResponse = {
-          requestId: bidRequestData.bidId,
+          ad: response.ad,
           cpm: response.cpm,
-          width: response.width,
-          height: response.height,
           creativeId: response.creativeId,
-          dealId: response.dealId,
           currency: response.currency,
+          dealId: response.dealId,
+          height: response.height,
           netRevenue: response.isNetCpm,
+          requestId: bidRequestData.bidId,
           ttl: response.ttl,
-          ad: response.ad,
+          width: response.width,
         };
 
         if (response.formatTypeSw === 'video_instream' || response.formatTypeSw === 'video_outstream') {
diff --git a/test/spec/modules/smilewantedBidAdapter_spec.js b/test/spec/modules/smilewantedBidAdapter_spec.js
index 99c4034610f5..61a6d3e99a50 100644
--- a/test/spec/modules/smilewantedBidAdapter_spec.js
+++ b/test/spec/modules/smilewantedBidAdapter_spec.js
@@ -76,6 +76,49 @@ const DISPLAY_REQUEST_WITH_POSITION_TYPE = [{
   },
 }];
 
+const SCHAIN = {
+  'ver': '1.0',
+  'complete': 1,
+  'nodes': [
+    {
+      'asi': 'exchange1.com',
+      'sid': '1234',
+      'hp': 1,
+      'rid': 'bid-request-1',
+      'name': 'publisher',
+      'domain': 'publisher.com'
+    },
+    {
+      'asi': 'exchange2.com',
+      'sid': 'abcd',
+      'hp': 1,
+      'rid': 'bid-request-2',
+      'name': 'intermediary',
+      'domain': 'intermediary.com'
+    }
+  ]
+};
+
+const DISPLAY_REQUEST_WITH_SCHAIN = [{
+  adUnitCode: 'sw_300x250',
+  bidId: '12345',
+  sizes: [
+    [300, 250],
+    [300, 200]
+  ],
+  bidder: 'smilewanted',
+  params: {
+    zoneId: 1,
+  },
+  requestId: 'request_abcd1234',
+  ortb2Imp: {
+    ext: {
+      tid: 'trans_abcd1234',
+    }
+  },
+  schain: SCHAIN,
+}];
+
 const BID_RESPONSE_DISPLAY = {
   body: {
     cpm: 3,
@@ -580,8 +623,14 @@ describe('smilewantedBidAdapterTests', function () {
     expect(requestContent).to.have.property('positionType').and.to.equal('infeed');
   });
 
+  it('SmileWanted - Verify if schain is well passed', function () {
+    const request = spec.buildRequests(DISPLAY_REQUEST_WITH_SCHAIN, {});
+    const requestContent = JSON.parse(request[0].data);
+    expect(requestContent).to.have.property('schain').and.to.equal('1.0,1!exchange1.com,1234,1,bid-request-1,publisher,publisher.com!exchange2.com,abcd,1,bid-request-2,intermediary,intermediary.com');
+  });
+
   it('SmileWanted - Verify user sync', function () {
-    var syncs = spec.getUserSyncs({iframeEnabled: true}, {}, {
+    let syncs = spec.getUserSyncs({iframeEnabled: true}, {}, {
       consentString: 'foo'
     }, '1NYN');
     expect(syncs).to.have.lengthOf(1);
@@ -599,3 +648,47 @@ describe('smilewantedBidAdapterTests', function () {
     expect(syncs).to.have.lengthOf(1);
   });
 });
+
+describe('Supply Chain Serializer tests', function () {
+  it('Verify a multi node supply chain serialization matches iab example', function() {
+    let schain = {
+      'ver': '1.0',
+      'complete': 1,
+      'nodes': [
+        {
+          'asi': 'exchange1.com',
+          'sid': '1234',
+          'hp': 1,
+          'rid': 'bid-request-1',
+          'name': 'publisher',
+          'domain': 'publisher.com'
+        },
+        {
+          'asi': 'exchange2.com',
+          'sid': 'abcd',
+          'hp': 1,
+          'rid': 'bid-request-2',
+          'name': 'intermediary',
+          'domain': 'intermediary.com'
+        }
+      ]
+    };
+
+    let serializedSchain = spec.serializeSupplyChain(schain);
+    expect(serializedSchain).to.equal('1.0,1!exchange1.com,1234,1,bid-request-1,publisher,publisher.com!exchange2.com,abcd,1,bid-request-2,intermediary,intermediary.com');
+  });
+
+  it('Verify that null schain produce null result', function () {
+    let actual = spec.serializeSupplyChain(null);
+    expect(actual).to.equal(null);
+  });
+
+  it('Verify that schain with null nodes produce null result', function () {
+    let schain = {
+      'ver': '1.0',
+      'complete': 1
+    };
+    let actual = spec.serializeSupplyChain(null);
+    expect(actual).to.equal(null);
+  });
+});