From 209921cc89ff58ed6dc8f48c2dbc3750aaec45ed Mon Sep 17 00:00:00 2001
From: Jaimin Panchal <jaiminpanchal27@gmail.com>
Date: Mon, 16 Oct 2017 17:22:27 -0400
Subject: [PATCH] AppnexusAst adapter: logging error message from endpoint
 (#1697)

* logging error message received from endpoint

* removed alias
---
 modules/appnexusAstBidAdapter.js              | 32 ++++++++++++-------
 .../modules/appnexusAstBidAdapter_spec.js     | 12 ++++---
 2 files changed, 29 insertions(+), 15 deletions(-)

diff --git a/modules/appnexusAstBidAdapter.js b/modules/appnexusAstBidAdapter.js
index b0997992a0c..78b997b3ef4 100644
--- a/modules/appnexusAstBidAdapter.js
+++ b/modules/appnexusAstBidAdapter.js
@@ -46,7 +46,7 @@ export const spec = {
    * @param {BidRequest[]} bidRequests A non-empty list of bid requests which should be sent to the Server.
    * @return ServerRequest Info describing the request to the server.
    */
-  buildRequests: function(bidRequests) {
+  buildRequests: function(bidRequests, bidderRequest) {
     const tags = bidRequests.map(bidToTag);
     const userObjBid = bidRequests.find(hasUserInfo);
     let userObj;
@@ -76,6 +76,7 @@ export const spec = {
       method: 'POST',
       url: URL,
       data: payloadString,
+      bidderRequest
     };
   },
 
@@ -85,18 +86,27 @@ export const spec = {
    * @param {*} serverResponse A successful response from the server.
    * @return {Bid[]} An array of bids which were nested inside the server.
    */
-  interpretResponse: function(serverResponse) {
+  interpretResponse: function(serverResponse, {bidderRequest}) {
     const bids = [];
-    serverResponse.tags.forEach(serverBid => {
-      const rtbBid = getRtbBid(serverBid);
-      if (rtbBid) {
-        if (rtbBid.cpm !== 0 && SUPPORTED_AD_TYPES.includes(rtbBid.ad_type)) {
-          const bid = newBid(serverBid, rtbBid);
-          bid.mediaType = parseMediaType(rtbBid);
-          bids.push(bid);
+    if (!serverResponse || serverResponse.error) {
+      let errorMessage = `in response for ${bidderRequest.bidderCode} adapter`;
+      if (serverResponse && serverResponse.error) { errorMessage += `: ${serverResponse.error}`; }
+      utils.logError(errorMessage);
+      return bids;
+    }
+
+    if (serverResponse.tags) {
+      serverResponse.tags.forEach(serverBid => {
+        const rtbBid = getRtbBid(serverBid);
+        if (rtbBid) {
+          if (rtbBid.cpm !== 0 && SUPPORTED_AD_TYPES.includes(rtbBid.ad_type)) {
+            const bid = newBid(serverBid, rtbBid);
+            bid.mediaType = parseMediaType(rtbBid);
+            bids.push(bid);
+          }
         }
-      }
-    });
+      });
+    }
     return bids;
   },
 
diff --git a/test/spec/modules/appnexusAstBidAdapter_spec.js b/test/spec/modules/appnexusAstBidAdapter_spec.js
index f8288819a55..d07ee6df543 100644
--- a/test/spec/modules/appnexusAstBidAdapter_spec.js
+++ b/test/spec/modules/appnexusAstBidAdapter_spec.js
@@ -304,8 +304,9 @@ describe('AppNexusAdapter', () => {
           'mediaType': 'banner'
         }
       ];
+      let bidderRequest;
 
-      let result = spec.interpretResponse(response);
+      let result = spec.interpretResponse(response, {bidderRequest});
       expect(Object.keys(result[0])).to.deep.equal(Object.keys(expectedResponse[0]));
     });
 
@@ -319,8 +320,9 @@ describe('AppNexusAdapter', () => {
           'nobid': true
         }]
       };
+      let bidderRequest;
 
-      let result = spec.interpretResponse(response);
+      let result = spec.interpretResponse(response, {bidderRequest});
       expect(result.length).to.equal(0);
     });
 
@@ -339,8 +341,9 @@ describe('AppNexusAdapter', () => {
           }]
         }]
       };
+      let bidderRequest;
 
-      let result = spec.interpretResponse(response);
+      let result = spec.interpretResponse(response, {bidderRequest});
       expect(result[0]).to.have.property('vastUrl');
       expect(result[0]).to.have.property('descriptionUrl');
       expect(result[0]).to.have.property('mediaType', 'video');
@@ -371,8 +374,9 @@ describe('AppNexusAdapter', () => {
         },
         'impression_trackers': ['http://example.com'],
       };
+      let bidderRequest;
 
-      let result = spec.interpretResponse(response1);
+      let result = spec.interpretResponse(response1, {bidderRequest});
       expect(result[0].native.title).to.equal('Native Creative');
       expect(result[0].native.body).to.equal('Cool description great stuff');
       expect(result[0].native.cta).to.equal('Do it');