From 38de40a6855f0c16e2c0440abfaf2ff918b15eab Mon Sep 17 00:00:00 2001
From: Lovell Fuller <github@lovell.info>
Date: Wed, 28 Feb 2018 18:45:37 +0000
Subject: [PATCH] Audience Network: allow native bids for non-IAB sizes

---
 modules/audienceNetworkBidAdapter.js          | 29 ++++++++++-
 .../modules/audienceNetworkBidAdapter_spec.js | 49 +++++++++++++++++++
 2 files changed, 76 insertions(+), 2 deletions(-)

diff --git a/modules/audienceNetworkBidAdapter.js b/modules/audienceNetworkBidAdapter.js
index 3153a64a48d..ed78f336102 100644
--- a/modules/audienceNetworkBidAdapter.js
+++ b/modules/audienceNetworkBidAdapter.js
@@ -26,7 +26,8 @@ const isBidRequestValid = bid =>
   typeof bid.params.placementId === 'string' &&
   bid.params.placementId.length > 0 &&
   Array.isArray(bid.sizes) && bid.sizes.length > 0 &&
-  (isVideo(bid.params.format) || bid.sizes.map(flattenSize).some(isValidSize));
+  (isFullWidth(bid.params.format) ? bid.sizes.map(flattenSize).every(size => size === '300x250') : true) &&
+  (isValidNonSizedFormat(bid.params.format) || bid.sizes.map(flattenSize).some(isValidSize));
 
 /**
  * Flattens a 2-element [W, H] array as a 'WxH' string,
@@ -51,6 +52,23 @@ const expandSize = size => size.split('x').map(Number);
  */
 const isValidSize = size => includes(['300x250', '320x50'], size);
 
+/**
+ * Is this a valid, non-sized format?
+ * @param {String} size
+ * @returns {Boolean}
+ */
+const isValidNonSizedFormat = format => includes(['video', 'native'], format);
+
+/**
+ * Is this a valid size and format?
+ * @param {String} size
+ * @returns {Boolean}
+ */
+const isValidSizeAndFormat = (size, format) =>
+  (isFullWidth(format) && flattenSize(size) === '300x250') ||
+  isValidNonSizedFormat(format) ||
+  isValidSize(flattenSize(size));
+
 /**
  * Is this a video format?
  * @param {String} format
@@ -58,6 +76,13 @@ const isValidSize = size => includes(['300x250', '320x50'], size);
  */
 const isVideo = format => format === 'video';
 
+/**
+ * Is this a fullwidth format?
+ * @param {String} format
+ * @returns {Boolean}
+ */
+const isFullWidth = format => format === 'fullwidth';
+
 /**
  * Which SDK version should be used for this format?
  * @param {String} format
@@ -120,7 +145,7 @@ const buildRequests = bids => {
 
   bids.forEach(bid => bid.sizes
     .map(flattenSize)
-    .filter(size => isValidSize(size) || isVideo(bid.params.format))
+    .filter(size => isValidSizeAndFormat(size, bid.params.format))
     .slice(0, 1)
     .forEach(size => {
       placementids.push(bid.params.placementId);
diff --git a/test/spec/modules/audienceNetworkBidAdapter_spec.js b/test/spec/modules/audienceNetworkBidAdapter_spec.js
index 6b21eb459d4..d92597c913c 100644
--- a/test/spec/modules/audienceNetworkBidAdapter_spec.js
+++ b/test/spec/modules/audienceNetworkBidAdapter_spec.js
@@ -92,6 +92,17 @@ describe('AudienceNetwork adapter', () => {
       })).to.equal(true);
     });
 
+    it('native with non-IAB size', () => {
+      expect(isBidRequestValid({
+        bidder,
+        sizes: [[728, 90]],
+        params: {
+          placementId,
+          format: 'native'
+        }
+      })).to.equal(true);
+    });
+
     it('video', () => {
       expect(isBidRequestValid({
         bidder,
@@ -139,6 +150,44 @@ describe('AudienceNetwork adapter', () => {
         data: 'placementids[]=test-placement-id&adformats[]=video&testmode=false&pageurl=&sdk[]=&playerwidth=640&playerheight=480'
       }]);
     });
+
+    it('can build URL for native unit in non-IAB size', () => {
+      expect(buildRequests([{
+        bidder,
+        bidId: requestId,
+        sizes: [[728, 90]],
+        params: {
+          placementId,
+          format: 'native'
+        }
+      }])).to.deep.equal([{
+        adformats: ['native'],
+        method: 'GET',
+        requestIds: [requestId],
+        sizes: ['728x90'],
+        url: 'https://an.facebook.com/v2/placementbid.json',
+        data: 'placementids[]=test-placement-id&adformats[]=native&testmode=false&pageurl=&sdk[]=5.5.web'
+      }]);
+    });
+
+    it('can build URL for fullwidth 300x250 unit', () => {
+      expect(buildRequests([{
+        bidder,
+        bidId: requestId,
+        sizes: [[300, 250]],
+        params: {
+          placementId,
+          format: 'fullwidth'
+        }
+      }])).to.deep.equal([{
+        adformats: ['fullwidth'],
+        method: 'GET',
+        requestIds: [requestId],
+        sizes: ['300x250'],
+        url: 'https://an.facebook.com/v2/placementbid.json',
+        data: 'placementids[]=test-placement-id&adformats[]=fullwidth&testmode=false&pageurl=&sdk[]=5.5.web'
+      }]);
+    });
   });
 
   describe('interpretResponse', () => {