New adapter Coinzilla (prebid#3385)

* New adapter "Coinzilla" added

* Solved required modifications related to bidderRequest.referrerInfo.referer

modules/coinzillaBidAdapter.js

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+import * as utils from 'src/utils';
+import {config} from 'src/config';
+import {registerBidder} from 'src/adapters/bidderFactory';
+
+const BIDDER_CODE = 'coinzilla';
+const ENDPOINT_URL = 'https://request.czilladx.com/serve/request.php';
+
+export const spec = {
+  code: BIDDER_CODE,
+  aliases: ['czlla'], // short code
+
+  /**
+   * Determines whether or not the given bid request is valid.
+   *
+   * @param {BidRequest} bid The bid params to validate.
+   * @return boolean True if this is a valid bid, and false otherwise.
+   */
+  isBidRequestValid: function (bid) {
+    return !!(bid.params.placementId);
+  },
+
+  /**
+   * Make a server request from the list of BidRequests.
+   *
+   * @return Array Info describing the request to the server.
+   * @param validBidRequests
+   * @param bidderRequest
+   */
+  buildRequests: function (validBidRequests, bidderRequest) {
+    if (validBidRequests.length === 0) {
+      return [];
+    }
+    return validBidRequests.map(bidRequest => {
+      const sizes = utils.parseSizesInput(bidRequest.sizes)[0];
+      const width = sizes.split('x')[0];
+      const height = sizes.split('x')[1];
+      const payload = {
+        placementId: bidRequest.params.placementId,
+        width: width,
+        height: height,
+        bidId: bidRequest.bidId,
+        referer: bidderRequest.refererInfo.referer,
+      };
+      return {
+        method: 'POST',
+        url: ENDPOINT_URL,
+        data: payload
+      };
+    });
+  },
+
+  /**
+   * Unpack the response from the server into a list of bids.
+   *
+   * @param {ServerResponse} serverResponse A successful response from the server.
+   * @param bidRequest
+   * @return {Bid[]} An array of bids which were nested inside the server.
+   */
+  interpretResponse: function (serverResponse, bidRequest) {
+    const bidResponses = [];
+    const response = serverResponse.body;
+    const creativeId = response.creativeId || 0;
+    const width = response.width || 0;
+    const height = response.height || 0;
+    const cpm = response.cpm || 0;
+    if (width !== 0 && height !== 0 && cpm !== 0 && creativeId !== 0) {
+      const dealId = response.dealid || '';
+      const currency = response.currency || 'EUR';
+      const netRevenue = (response.netRevenue === undefined) ? true : response.netRevenue;
+      const referrer = bidRequest.data.referer;
+      const bidResponse = {
+        requestId: response.requestId,
+        cpm: cpm,
+        width: response.width,
+        height: response.height,
+        creativeId: creativeId,
+        dealId: dealId,
+        currency: currency,
+        netRevenue: netRevenue,
+        ttl: config.getConfig('_bidderTimeout'),
+        referrer: referrer,
+        ad: response.ad
+      };
+      bidResponses.push(bidResponse);
+    }
+    return bidResponses;
+  },
+};
+registerBidder(spec);

modules/coinzillaBidAdapter.md

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+# Overview
+
+```
+Module Name: Coinzilla Bidder Adapter
+Module Type: Coinzilla Adapter
+Maintainer: technical@sevio.com
+```
+
+# Description
+
+Our module helps you have an easier time implementing Coinzilla on your website. All you have to do is replace the ``placementId`` with your zoneID, depending on the required size in your account dashboard. If you need additional information please contact us at ``publishers@coinzilla.com``.
+# Test Parameters
+```
+  var adUnits = [{
+    code: 'test-ad-div',
+    sizes: [[300, 250]],
+    bids: [{
+    bidder: 'coinzilla',
+      params: { 
+        placementId: 'testPlacementId'
+      }
+    }]
+  }];
+```

test/spec/modules/coinzillaBidAdapter_spec.js

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+import {assert, expect} from 'chai';
+import {spec} from 'modules/coinzillaBidAdapter';
+import {newBidder} from 'src/adapters/bidderFactory';
+
+const ENDPOINT_URL = 'https://request.czilladx.com/serve/request.php';
+
+describe('coinzillaBidAdapter', function () {
+  const adapter = newBidder(spec);
+  describe('isBidRequestValid', function () {
+    let bid = {
+      'bidder': 'coinzilla',
+      'params': {
+        placementId: 'testPlacementId'
+      },
+      'adUnitCode': 'adunit-code',
+      'sizes': [
+        [300, 250]
+      ],
+      'bidId': '1234asdf1234',
+      'bidderRequestId': '1234asdf1234asdf',
+      'auctionId': '61466567-d482-4a16-96f0-fe5f25ffbdf120'
+    };
+    it('should return true where required params found', function () {
+      expect(spec.isBidRequestValid(bid)).to.equal(true);
+    });
+  });
+  describe('buildRequests', function () {
+    let bidRequests = [
+      {
+        'bidder': 'coinzilla',
+        'params': {
+          placementId: 'testPlacementId'
+        },
+        'sizes': [
+          [300, 250]
+        ],
+        'bidId': '23beaa6af6cdde',
+        'bidderRequestId': '19c0c1efdf37e7',
+        'auctionId': '61466567-d482-4a16-96f0-fe5f25ffbdf1',
+      },
+      {
+        'bidder': 'coinzilla',
+        'params': {
+          placementId: 'testPlacementId'
+        },
+        'adUnitCode': 'adunit-code2',
+        'sizes': [
+          [300, 250]
+        ],
+        'bidId': '382091349b149f"',
+        'bidderRequestId': '1f9c98192de251',
+        'auctionId': '61466567-d482-4a16-96f0-fe5f25ffbdf1',
+      }
+    ];
+
+    let bidderRequests = {
+      'refererInfo': {
+        'numIframes': 0,
+        'reachedTop': true,
+        'referer': 'http://example.com',
+        'stack': ['http://example.com']
+      }
+    };
+
+    const request = spec.buildRequests(bidRequests, bidderRequests);
+    it('sends bid request to our endpoint via POST', function () {
+      expect(request[0].method).to.equal('POST');
+      expect(request[1].method).to.equal('POST');
+    });
+    it('attaches source and version to endpoint URL as query params', function () {
+      expect(request[0].url).to.equal(ENDPOINT_URL);
+      expect(request[1].url).to.equal(ENDPOINT_URL);
+    });
+  });
+
+  describe('interpretResponse', function () {
+    let bidRequest = [
+      {
+        'method': 'POST',
+        'url': ENDPOINT_URL,
+        'data': {
+          'placementId': 'testPlacementId',
+          'width': '300',
+          'height': '200',
+          'bidId': 'bidId123',
+          'referer': 'www.example.com'
+        }
+
+      }
+    ];
+    let serverResponse = {
+      body: {
+        'ad': '<html><h3>I am an ad</h3></html> ',
+        'cpm': 4.2,
+        'creativeId': '12345asdfg',
+        'currency': 'EUR',
+        'statusMessage': 'Bid available',
+        'requestId': 'bidId123',
+        'width': 300,
+        'height': 250,
+        'netRevenue': true
+      }
+    };
+    it('should get the correct bid response', function () {
+      let expectedResponse = [{
+        'requestId': 'bidId123',
+        'cpm': 4.2,
+        'width': 300,
+        'height': 250,
+        'creativeId': '12345asdfg',
+        'currency': 'EUR',
+        'netRevenue': true,
+        'ttl': 3000,
+        'ad': '<html><h3>I am an ad</h3></html>'
+      }];
+      let result = spec.interpretResponse(serverResponse, bidRequest[0]);
+      expect(Object.keys(result)).to.deep.equal(Object.keys(expectedResponse));
+    });
+  });
+});