Add buyer bid adapter

modules/buyerBidAdapter.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 = 'buyer';
+const ENDPOINT_URL = 'https://buyer.dspx.tv/request/';
+
+export const spec = {
+  code: BIDDER_CODE,
+  aliases: ['buyer'],
+  isBidRequestValid: function(bid) {
+    return !!(bid.params.placement);
+  },
+  buildRequests: function(validBidRequests, bidderRequest) {
+    return validBidRequests.map(bidRequest => {
+      const params = bidRequest.params;
+      const sizes = utils.parseSizesInput(bidRequest.sizes)[0];
+      const width = sizes.split('x')[0];
+      const height = sizes.split('x')[1];
+      const placementId = params.placement;
+
+      const rnd = Math.floor(Math.random() * 99999999999);
+      const referrer = encodeURIComponent(utils.getTopWindowUrl()); // bidderRequest.refererInfo ??
+      const bidId = bidRequest.bidId;
+      const payload = {
+        _f: 'html',
+        alternative: 'prebid_js',
+        inventory_item_id: placementId,
+        srw: width,
+        srh: height,
+        idt: 100,
+        rnd: rnd,
+        ref: referrer,
+        bid_id: bidId,
+      };
+      if (params.pfilter !== undefined) {
+        payload.pfilter = params.pfilter;
+      }
+      if (params.bcat !== undefined) {
+        payload.bcat = params.bcat;
+      }
+      if (params.dvt !== undefined) {
+        payload.dvt = params.dvt;
+      }
+      return {
+        method: 'GET',
+        url: ENDPOINT_URL,
+        data: objectToQueryString(payload),
+      }
+    });
+  },
+  interpretResponse: function(serverResponse, bidRequest) {
+    const bidResponses = [];
+    const response = serverResponse.body;
+    const crid = response.crid || 0;
+    const cpm = response.cpm / 1000000 || 0;
+    if (cpm !== 0 && crid !== 0) {
+      const dealId = response.dealid || '';
+      const currency = response.currency || 'EUR';
+      const netRevenue = (response.netRevenue === undefined) ? true : response.netRevenue;
+      const referrer = utils.getTopWindowUrl();
+      const bidResponse = {
+        requestId: response.bid_id,
+        cpm: cpm,
+        width: response.width,
+        height: response.height,
+        creativeId: crid,
+        dealId: dealId,
+        currency: currency,
+        netRevenue: netRevenue,
+        ttl: config.getConfig('_bidderTimeout'),
+        referrer: referrer,
+        ad: response.adTag
+      };
+      bidResponses.push(bidResponse);
+    }
+    return bidResponses;
+  },
+  getUserSyncs: function(syncOptions, serverResponses) {
+    const syncs = [];
+    return syncs;
+  }
+}
+
+function objectToQueryString(obj, prefix) {
+  let str = [];
+  let p;
+  for (p in obj) {
+    if (obj.hasOwnProperty(p)) {
+      let k = prefix ? prefix + '[' + p + ']' : p;
+      let v = obj[p];
+      str.push((v !== null && typeof v === 'object')
+        ? objectToQueryString(v, k)
+        : encodeURIComponent(k) + '=' + encodeURIComponent(v));
+    }
+  }
+  return str.join('&');
+}
+
+registerBidder(spec);

modules/buyerBidAdapter.md

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+# Overview
+
+```
+Module Name: Buyer Bidder Adapter
+Module Type: Bidder Adapter
+Maintainer: avj83@list.ru
+```
+
+# Description
+
+Buyer adapter for Prebid.js 1.0
+
+# Test Parameters
+```
+    var adUnits = [
+        {
+            code: 'test-div',
+            mediaTypes: {
+                banner: {
+                    sizes: [
+                      [300, 250],
+                      [300, 600],
+                      ],  // a display size
+                }
+            },
+            bids: [
+                {
+                    bidder: "buyer",
+                    params: {
+                        placement: '12345',
+                        pfilter: {
+                            floorprice: 1000000, // EUR * 1,000,000
+                            private_auction: 1, // Is private auction?  0  - no, 1 - yes
+                            deals: [
+                                 "666-9315-d58a7f9a-bdb9-4450-a3a2-046ba8ab2489;3;25000000;dspx-tv",// DEAL_ID;at;bidfloor;wseat1,wseat2;wadomain1,wadomain2"
+                                 "666-9315-d58a7f9a-bdb9-4450-a6a2-046ba8ab2489;3;25000000;dspx-tv",// DEAL_ID;at;bidfloor;wseat1,wseat2;wadomain1,wadomain2"
+                            ],
+                            geo: {  // set client geo info manually (empty for auto detect)
+                               lat: 52.52437, // Latitude from -90.0 to +90.0, where negative is south.
+                               lon: 13.41053, // Longitude from -180.0 to +180.0, where negative is west
+                               type: 1,  // Source of location data: 1 - GPS/Location Services, 2 - IP Address, 3 - User provided (e.g. registration form)                         
+                               country: 'DE',  // Region of a country using FIPS 10-4 notation
+                               region: 'DE-BE', // Region code using ISO-3166-2; 2-letter state code if USA.
+                               regionfips104: 'GM',  // Region of a country using FIPS 10-4 notation
+                               city:  'BER', // City using United Nations Code for Trade and Transport Locations
+                               zip: '10115' // Zip or postal code.
+                                }
+                            },
+                        bcat:  "IAB2,IAB4",  // List of  Blocked Categories (IAB) - comma separated 
+                        dvt: "desktop|smartphone|tv|tablet" // DeVice Type (autodetect if not exists)
+                    }
+                }
+            ]
+        },{
+            code: 'test-div',
+            mediaTypes: {
+                banner: {
+                    sizes: [[320, 50]],   // a mobile size
+                }
+            },
+            bids: [
+                {
+                    bidder: "buyer",
+                    params: {
+                        placement: 67890
+                    }
+                }
+            ]
+        }
+    ];
+```
+
+Required param field is only `placement`. 

test/spec/modules/buyerBidAdapter_spec.js

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+import { expect } from 'chai';
+import { spec } from 'modules/buyerBidAdapter';
+import { newBidder } from 'src/adapters/bidderFactory';
+
+const ENDPOINT_URL = 'https://buyer.dspx.tv/request/';
+
+describe('buyerAdapter', function () {
+  const adapter = newBidder(spec);
+
+  describe('isBidRequestValid', function () {
+    let bid = {
+      'bidder': 'buyer',
+      'params': {
+        'placement': '6682',
+        'pfilter': {
+          'floorprice': 1000000
+        },
+        'bcat': 'IAB2,IAB4',
+        'dvt': 'desktop'
+      },
+      'sizes': [
+        [300, 250]
+      ],
+      'bidId': '30b31c1838de1e',
+      'bidderRequestId': '22edbae2733bf6',
+      'auctionId': '1d1a030790a475'
+    };
+
+    it('should return true when required params found', function () {
+      expect(spec.isBidRequestValid(bid)).to.equal(true);
+    });
+
+    it('should return false when required params are not passed', function () {
+      let bid = Object.assign({}, bid);
+      delete bid.params;
+      bid.params = {
+        'someIncorrectParam': 0
+      };
+      expect(spec.isBidRequestValid(bid)).to.equal(false);
+    });
+  });
+
+  describe('buildRequests', function () {
+    let bidRequests = [{
+      'bidder': 'buyer',
+      'params': {
+        'placement': '6682',
+        'pfilter': {
+          'floorprice': 1000000,
+          'private_auction': 0,
+          'geo': {
+            'country': 'DE'
+          }
+        },
+        'bcat': 'IAB2,IAB4',
+        'dvt': 'desktop'
+      },
+      'sizes': [
+        [300, 250]
+      ],
+      'bidId': '30b31c1838de1e',
+      'bidderRequestId': '22edbae2733bf6',
+      'auctionId': '1d1a030790a475'
+    }];
+
+    const request = spec.buildRequests(bidRequests);
+
+    it('sends bid request to our endpoint via GET', function () {
+      expect(request[0].method).to.equal('GET');
+      let data = request[0].data.replace(/rnd=\d+\&/g, '').replace(/ref=.*\&bid/g, 'bid');
+      expect(data).to.equal('_f=html&alternative=prebid_js&inventory_item_id=6682&srw=300&srh=250&idt=100&bid_id=30b31c1838de1e&pfilter%5Bfloorprice%5D=1000000&pfilter%5Bprivate_auction%5D=0&pfilter%5Bgeo%5D%5Bcountry%5D=DE&bcat=IAB2%2CIAB4&dvt=desktop');
+    });
+  });
+
+  describe('interpretResponse', function () {
+    let serverResponse = {
+      'body': {
+        'cpm': 5000000,
+        'crid': 100500,
+        'width': '300',
+        'height': '250',
+        'tag': '<!-- test creative -->',
+        'requestId': '220ed41385952a',
+        'currency': 'EUR',
+        'ttl': 60,
+        'netRevenue': true,
+        'zone': '6682'
+      }
+    };
+
+    let expectedResponse = [{
+      requestId: '23beaa6af6cdde',
+      cpm: 0.5,
+      width: 0,
+      height: 0,
+      creativeId: 100500,
+      dealId: '',
+      currency: 'EUR',
+      netRevenue: true,
+      ttl: 300,
+      referrer: '',
+      ad: '<!-- test creative -->'
+    }];
+
+    it('should get the correct bid response by display ad', function () {
+      let bidRequest = [{
+        'method': 'GET',
+        'url': ENDPOINT_URL,
+        'data': {
+          'bid_id': '30b31c1838de1e'
+        }
+      }];
+      let result = spec.interpretResponse(serverResponse, bidRequest[0]);
+      expect(Object.keys(result[0])).to.have.members(Object.keys(expectedResponse[0]));
+    });
+
+    it('handles empty bid response', function () {
+      let response = {
+        body: {}
+      };
+      let result = spec.interpretResponse(response);
+      expect(result.length).to.equal(0);
+    });
+  });
+
+  describe('getUserSyncs function', function () {
+    it('should be empty', function () {
+      const syncOptions = {
+        'iframeEnabled': 'true'
+      };
+      let userSync = spec.getUserSyncs(syncOptions);
+      expect(userSync.length).to.equal(0);
+    });
+  });
+});