Added support of supply chain object for smartadserverBidAdapter

modules/smartadserverBidAdapter.js

@@ -23,38 +23,54 @@ export const spec = {
   isBidRequestValid: function (bid) {
     return !!(bid.params && bid.params.siteId && bid.params.pageId && bid.params.formatId);
   },
+
+  /**
+   * Serialize a supply chain object to a string uri encoded
+   *
+   * @param {*} schain object
+   */
+  serializeSupplyChain: function(schain) {
+    if (!schain || !schain.nodes) return null;
+    const nodesProperties = ['asi', 'sid', 'hp', 'rid', 'name', 'domain'];
+    return `${schain.ver},${schain.complete}!` +
+      schain.nodes.map(node => nodesProperties.map(prop =>
+        node[prop] ? encodeURIComponent(node[prop]) : '')
+        .join(','))
+        .join('!');
+  },
+
   /**
    * Make a server request from the list of BidRequests.
    *
-   * @param {validBidRequests[]} - an array of bids
-   * @param {bidderRequest} - bidder request object
-   * @return ServerRequest Info describing the request to the server.
+   * @param {BidRequest[]} validBidRequests an array of bids
+   * @param {BidderRequest} bidderRequest bidder request object
+   * @return {ServerRequest[]} Info describing the request to the server.
    */
   buildRequests: function (validBidRequests, bidderRequest) {
     // use bidderRequest.bids[] to get bidder-dependent request info
-
     // if your bidder supports multiple currencies, use config.getConfig(currency)
     // to find which one the ad server needs
 
     // pull requested transaction ID from bidderRequest.bids[].transactionId
     return validBidRequests.map(bid => {
       // Common bid request attributes for banner, outstream and instream.
-      var payload = {
+      let payload = {
         siteid: bid.params.siteId,
         pageid: bid.params.pageId,
         formatid: bid.params.formatId,
         currencyCode: config.getConfig('currency.adServerCurrency'),
         bidfloor: bid.params.bidfloor || 0.0,
-        targeting: bid.params.target && bid.params.target != '' ? bid.params.target : undefined,
-        buid: bid.params.buId && bid.params.buId != '' ? bid.params.buId : undefined,
-        appname: bid.params.appName && bid.params.appName != '' ? bid.params.appName : undefined,
+        targeting: bid.params.target && bid.params.target !== '' ? bid.params.target : undefined,
+        buid: bid.params.buId && bid.params.buId !== '' ? bid.params.buId : undefined,
+        appname: bid.params.appName && bid.params.appName !== '' ? bid.params.appName : undefined,
         ckid: bid.params.ckId || 0,
         tagId: bid.adUnitCode,
         pageDomain: bidderRequest && bidderRequest.refererInfo && bidderRequest.refererInfo.referer ? bidderRequest.refererInfo.referer : undefined,
         transactionId: bid.transactionId,
         timeout: config.getConfig('bidderTimeout'),
         bidId: bid.bidId,
-        prebidVersion: '$prebid.version$'
+        prebidVersion: '$prebid.version$',
+        schain: spec.serializeSupplyChain(bid.schain)
       };
 
       const videoMediaType = utils.deepAccess(bid, 'mediaTypes.video');
@@ -66,7 +82,7 @@ export const spec = {
         }));
       } else if (videoMediaType && videoMediaType.context === 'instream') {
         // Specific attributes for instream.
-        var playerSize = videoMediaType.playerSize[0];
+        let playerSize = videoMediaType.playerSize[0];
         payload.isVideo = true;
         payload.videoData = {
           videoProtocol: bid.params.video.protocol,
@@ -88,27 +104,30 @@ export const spec = {
       }
 
       var payloadString = JSON.stringify(payload);
+
       return {
         method: 'POST',
         url: (bid.params.domain !== undefined ? bid.params.domain : 'https://prg.smartadserver.com') + '/prebid/v1',
         data: payloadString,
       };
     });
   },
+
   /**
    * Unpack the response from the server into a list of bids.
    *
    * @param {*} serverResponse A successful response from the server.
+   * @param {*} bidRequestString
    * @return {Bid[]} An array of bids which were nested inside the server.
    */
   interpretResponse: function (serverResponse, bidRequestString) {
     const bidResponses = [];
-    var response = serverResponse.body;
+    let response = serverResponse.body;
     try {
       if (response) {
         const bidRequest = JSON.parse(bidRequestString.data);
 
-        var bidResponse = {
+        let bidResponse = {
           requestId: bidRequest.bidId,
           cpm: response.cpm,
           width: response.width,
@@ -136,15 +155,16 @@ export const spec = {
     }
     return bidResponses;
   },
+
   /**
    * User syncs.
    *
    * @param {*} syncOptions Publisher prebid configuration.
    * @param {*} serverResponses A successful response from the server.
-   * @return {Syncs[]} An array of syncs that should be executed.
+   * @return {syncs[]} An array of syncs that should be executed.
    */
   getUserSyncs: function (syncOptions, serverResponses) {
-    const syncs = []
+    const syncs = [];
     if (syncOptions.iframeEnabled && serverResponses.length > 0) {
       syncs.push({
         type: 'iframe',
@@ -153,5 +173,6 @@ export const spec = {
     }
     return syncs;
   }
-}
+};
+
 registerBidder(spec);

test/spec/modules/smartadserverBidAdapter_spec.js

@@ -42,7 +42,7 @@ describe('Smart bid adapter tests', function () {
     transactionId: 'zsfgzzg'
   }];
 
-    // Default params without optional ones
+  // Default params without optional ones
   var DEFAULT_PARAMS_WO_OPTIONAL = [{
     adUnitCode: 'sas_42',
     bidId: 'abcd1234',
@@ -433,4 +433,49 @@ describe('Smart bid adapter tests', function () {
       expect(request[1]).to.not.be.empty;
     });
   });
+
+  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('Verifiy that null schain produce null result', function () {
+      let actual = spec.serializeSupplyChain(null);
+      expect(null, actual);
+    });
+
+    it('Verifiy that schain with null nodes produce null result', function () {
+      let schain = {
+        'ver': '1.0',
+        'complete': 1
+
+      };
+      let actual = spec.serializeSupplyChain(null);
+      expect(null, actual);
+    });
+  });
 });