add peak adapter (#2040)

modules/peak226BidAdapter.js

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+import { registerBidder } from 'src/adapters/bidderFactory';
+import { BANNER } from 'src/mediaTypes';
+import { getTopWindowUrl, logWarn } from 'src/utils';
+
+const BIDDER_CODE = 'peak226';
+const URL = '//a.ad216.com/header_bid';
+
+export const spec = {
+  code: BIDDER_CODE,
+
+  supportedMediaTypes: [BANNER],
+
+  isBidRequestValid: function (bid) {
+    const { params } = bid;
+
+    return !!params.uid;
+  },
+
+  buildRequests: function (validBidRequests) {
+    const bidsMap = validBidRequests.reduce((res, bid) => {
+      const { uid } = bid.params;
+
+      res[uid] = res[uid] || [];
+      res[uid].push(bid);
+
+      return res;
+    }, {});
+
+    return {
+      method: 'GET',
+      url:
+        URL +
+        toQueryString({
+          u: getTopWindowUrl(),
+          auids: Object.keys(bidsMap).join(',')
+        }),
+      bidsMap
+    };
+  },
+
+  interpretResponse: function (serverResponse, { bidsMap }) {
+    const response = serverResponse.body;
+    const bidResponses = [];
+
+    if (!response) {
+      logWarn(`No response from ${spec.code} bidder`);
+
+      return bidResponses;
+    }
+
+    if (!response.seatbid || !response.seatbid.length) {
+      logWarn(`No seatbid in response from ${spec.code} bidder`);
+
+      return bidResponses;
+    }
+
+    response.seatbid.forEach((seatbid, i) => {
+      if (!seatbid.bid || !seatbid.bid.length) {
+        logWarn(`No bid in seatbid[${i}] response from ${spec.code} bidder`);
+        return;
+      }
+      seatbid.bid.forEach(responseBid => {
+        const requestBids = bidsMap[responseBid.auid];
+
+        requestBids.forEach(requestBid => {
+          bidResponses.push({
+            requestId: requestBid.bidId,
+            bidderCode: spec.code,
+            width: responseBid.w,
+            height: responseBid.h,
+            mediaType: BANNER,
+            creativeId: responseBid.auid,
+            ad: responseBid.adm,
+            cpm: responseBid.price,
+            currency: 'USD',
+            netRevenue: true,
+            ttl: 360
+          });
+        });
+      });
+    });
+
+    return bidResponses;
+  }
+};
+
+function toQueryString(obj) {
+  return Object.keys(obj).reduce(
+    (str, key, i) =>
+      typeof obj[key] === 'undefined' || obj[key] === ''
+        ? str
+        : `${str}${str ? '&' : '?'}${key}=${encodeURIComponent(obj[key])}`,
+    ''
+  );
+}
+
+registerBidder(spec);

modules/peak226BidAdapter.md

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+# Overview
+
+```
+Module Name: Peak226 Bidder Adapter
+Module Type: Bidder Adapter
+Maintainer: support@edge226.com
+```
+
+# Description
+
+Module that connects to Peak226's demand sources
+
+# Test Parameters
+
+```
+    var adUnits = [
+        {
+            code: "test-div",
+            sizes: [[300, 250]],
+            mediaType: "banner",
+            bids: [
+                {
+                    bidder: "peak226",
+                    params: {
+                        uid: 76131369
+                    }
+                }
+            ]
+        }
+    ];
+```

test/spec/modules/peak226BidAdapter_spec.js

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+import { expect } from 'chai';
+import { spec } from 'modules/peak226BidAdapter';
+import { newBidder } from 'src/adapters/bidderFactory';
+
+const URL = 'a.ad216.com/header_bid';
+
+describe('PeakAdapter', () => {
+  const adapter = newBidder(spec);
+
+  describe('isBidRequestValid', () => {
+    it('should return true when required params found', () => {
+      const bid = {
+        params: {
+          uid: 123
+        }
+      };
+
+      expect(spec.isBidRequestValid(bid)).to.equal(true);
+    });
+
+    it('should return false when required params are not passed', () => {
+      const bid = {
+        params: {}
+      };
+
+      expect(spec.isBidRequestValid(bid)).to.equal(false);
+    });
+  });
+
+  xdescribe('buildRequests', () => {
+    const bidRequests = [
+      {
+        params: {
+          uid: '1234'
+        }
+      }
+    ];
+
+    it('sends bid request to URL via GET', () => {
+      const request = spec.buildRequests(bidRequests);
+
+      expect(request.url).to.equal(`${URL}?uids=1234`);
+      expect(request.method).to.equal('GET');
+    });
+  });
+
+  describe('interpretResponse', () => {
+    it('should handle empty response', () => {
+      let bids = spec.interpretResponse(
+        {},
+        {
+          bidsMap: {}
+        }
+      );
+
+      expect(bids).to.be.lengthOf(0);
+    });
+
+    it('should handle no seatbid returned', () => {
+      let response = {};
+
+      let bids = spec.interpretResponse(
+        { body: response },
+        {
+          bidsMap: {}
+        }
+      );
+
+      expect(bids).to.be.lengthOf(0);
+    });
+
+    it('should handle empty seatbid returned', () => {
+      let response = { seatbid: [] };
+
+      let bids = spec.interpretResponse(
+        { body: response },
+        {
+          bidsMap: {}
+        }
+      );
+
+      expect(bids).to.be.lengthOf(0);
+    });
+
+    it('should handle seatbid returned bids', () => {
+      const bidsMap = { 1: [{ bidId: 11 }] };
+      const bid = {
+        price: 0.2,
+        auid: 1,
+        h: 250,
+        w: 300,
+        adm: 'content'
+      };
+      const response = {
+        seatbid: [
+          {
+            seat: 'foo',
+            bid: [bid]
+          }
+        ]
+      };
+
+      let bids = spec.interpretResponse({ body: response }, { bidsMap });
+
+      expect(bids).to.be.lengthOf(1);
+
+      expect(bids[0].cpm).to.equal(bid.price);
+      expect(bids[0].width).to.equal(bid.w);
+      expect(bids[0].height).to.equal(bid.h);
+      expect(bids[0].ad).to.equal(bid.adm);
+      expect(bids[0].bidderCode).to.equal(spec.code);
+    });
+  });
+});