Yieldlove Bid Adapter: Initial Release (prebid#10175)

* YieldloveBidAdapter: Release

* Update modules/yieldloveBidAdapter.md

* Update modules/yieldloveBidAdapter.js

* Update yieldloveBidAdapter.md

* Update yieldloveBidAdapter_spec.js

* Update yieldloveBidAdapter.md

* always send bid request per https

* fix auctionId leak

---------

Co-authored-by: PascalSalesch <pascal.salesch@yieldlove.com>

modules/yieldloveBidAdapter.js

@@ -0,0 +1,149 @@
+import {registerBidder} from '../src/adapters/bidderFactory.js';
+import * as utils from '../src/utils.js';
+import {BANNER} from '../src/mediaTypes.js';
+
+const ENDPOINT_URL = 'https://s2s.yieldlove-ad-serving.net/openrtb2/auction';
+
+const DEFAULT_BID_TTL = 300; /* 5 minutes */
+const DEFAULT_CURRENCY = 'EUR';
+
+const participatedBidders = []
+
+export const spec = {
+  gvlid: 251,
+  code: 'yieldlove',
+  aliases: [],
+  supportedMediaTypes: [BANNER],
+
+  isBidRequestValid: function (bid) {
+    return !!(bid.params.pid && bid.params.rid)
+  },
+
+  buildRequests: function (validBidRequests, bidderRequest) {
+    const anyValidBidRequest = validBidRequests[0]
+
+    const impressions = validBidRequests.map(bidRequest => {
+      return {
+        ext: {
+          prebid: {
+            storedrequest: {
+              id: bidRequest.params.pid?.toString()
+            }
+          }
+        },
+        banner: {
+          format: bidRequest.sizes.map(sizeArr => ({
+            w: sizeArr[0],
+            h: sizeArr[1],
+          }))
+        },
+        secure: 1,
+        id: bidRequest.bidId
+      }
+    })
+
+    const s2sRequest = {
+      device: {
+        ua: window.navigator.userAgent,
+        w: window.innerWidth,
+        h: window.innerHeight,
+      },
+      site: {
+        ver: '1.9.0',
+        publisher: {
+          id: anyValidBidRequest.params.rid
+        },
+        page: window.location.href,
+        domain: anyValidBidRequest.params.rid
+      },
+      ext: {
+        prebid: {
+          targeting: {},
+          cache: {
+            bids: {}
+          },
+          storedrequest: {
+            id: anyValidBidRequest.params.rid
+          },
+        }
+      },
+      user: {
+        ext: {
+          consent: bidderRequest.gdprConsent?.consentString
+        },
+      },
+      id: utils.generateUUID(),
+      imp: impressions,
+      regs: {
+        ext: {
+          gdpr: 1
+        }
+      }
+    }
+
+    return {
+      method: 'POST',
+      url: ENDPOINT_URL,
+      data: s2sRequest,
+      options: {
+        contentType: 'text/plain',
+        withCredentials: true
+      },
+    };
+  },
+
+  interpretResponse: function (serverResponse) {
+    const bidResponses = []
+    const seatBids = serverResponse.body?.seatbid || []
+    seatBids.reduce((bids, cur) => {
+      if (cur.bid && cur.bid.length > 0) bids = bids.concat(cur.bid)
+      return bids
+    }, []).forEach(bid => {
+      bidResponses.push({
+        requestId: bid.impid,
+        cpm: bid.price,
+        width: bid.w,
+        height: bid.h,
+        ad: bid.adm,
+        ttl: DEFAULT_BID_TTL,
+        creativeId: bid.crid,
+        netRevenue: true,
+        currency: DEFAULT_CURRENCY
+      })
+    })
+
+    const bidders = serverResponse.body?.ext.responsetimemillis || {}
+    Object.keys(bidders).forEach(bidder => {
+      if (!participatedBidders.includes(bidder)) participatedBidders.push(bidder)
+    })
+
+    if (bidResponses.length === 0) {
+      utils.logInfo('interpretResponse :: no bid');
+    }
+
+    return bidResponses;
+  },
+
+  getUserSyncs: function (syncOptions, serverResponses, gdprConsent, uspConsent) {
+    const syncs = []
+
+    let gdprParams = ''
+    gdprParams = `gdpr=${Number(gdprConsent?.gdprApplies)}&`
+    gdprParams += `gdpr_consent=${gdprConsent?.consentString || ''}`
+
+    let bidderParams = ''
+    if (participatedBidders.length > 0) {
+      bidderParams = `bidders=${participatedBidders.join(',')}`
+    }
+
+    syncs.push({
+      type: 'iframe',
+      url: `https://cdn-a.yieldlove.com/load-cookie.html?endpoint=yieldlove&max_sync_count=100&${gdprParams}&${bidderParams}`
+    })
+
+    return syncs
+  },
+
+};
+
+registerBidder(spec);

modules/yieldloveBidAdapter.md

@@ -0,0 +1,38 @@
+# Overview
+
+```
+Module Name:  Yieldlove Bid Adapter
+Module Type:  Bidder Adapter
+Maintainer:   adapter@yieldlove.com
+```
+
+
+# Description
+
+Connects to **[Yieldlove](https://www.yieldlove.com/)**s S2S platform for bids.
+
+```js
+const adUnits = [
+  {
+    code: 'test-div',
+    mediaTypes: { banner: { sizes: [[300, 250]] }},
+    bids: [
+      {
+        bidder: 'yieldlove',
+        params: {
+          pid: 34437,
+          rid: 'website.com'
+        }
+      }
+    ]
+  }
+]
+```
+
+
+# Bid Parameters
+
+| Name          | Scope        | Description                                             | Example                    | Type         |
+|---------------|--------------|---------------------------------------------------------|----------------------------|--------------|
+| rid           | **required** | Publisher ID on the Yieldlove platform                  | `website.com`              | String       |
+| pid           | **required** | Placement ID on the Yieldlove platform                  | `34437`                    | Number       |

test/spec/modules/yieldloveBidAdapter_spec.js

@@ -0,0 +1,128 @@
+import { expect } from 'chai';
+import { spec } from 'modules/yieldloveBidAdapter.js';
+
+const ENDPOINT_URL = 'https://s2s.yieldlove-ad-serving.net/openrtb2/auction';
+
+// test params
+const pid = 34437;
+const rid = 'website.com';
+
+describe('Yieldlove Bid Adaper', function () {
+  const bidRequests = [
+    {
+      'bidder': 'yieldlove',
+      'adUnitCode': 'adunit-code',
+      'sizes': [ [300, 250] ],
+      'params': {
+        pid,
+        rid
+      }
+    }
+  ];
+
+  const serverResponse = {
+    body: {
+      seatbid: [
+        {
+          bid: [
+            {
+              impid: 'aaaa',
+              price: 0.5,
+              w: 300,
+              h: 250,
+              adm: '<div>test</div>',
+              crid: '1234',
+            }
+          ]
+        }
+      ],
+      ext: {}
+    }
+  }
+
+  describe('isBidRequestValid', () => {
+    const bid = bidRequests[0];
+
+    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 present', function () {
+      const invalidBid = { ...bid, params: {} };
+      expect(spec.isBidRequestValid(invalidBid)).to.equal(false);
+    });
+
+    it('should return false when required param "pid" is not present', function () {
+      const invalidBid = { ...bid, params: { ...bid.params, pid: undefined } };
+      expect(spec.isBidRequestValid(invalidBid)).to.equal(false);
+    });
+
+    it('should return false when required param "rid" is not present', function () {
+      const invalidBid = { ...bid, params: { ...bid.params, rid: undefined } };
+      expect(spec.isBidRequestValid(invalidBid)).to.equal(false);
+    });
+  });
+
+  describe('buildRequests', () => {
+    it('should build the request', function () {
+      const request = spec.buildRequests(bidRequests, {});
+      const payload = request.data;
+      const url = request.url;
+
+      expect(url).to.equal(ENDPOINT_URL);
+
+      expect(payload.site).to.exist;
+      expect(payload.site.publisher).to.exist;
+      expect(payload.site.publisher.id).to.exist;
+      expect(payload.site.publisher.id).to.equal(rid);
+      expect(payload.site.domain).to.exist;
+      expect(payload.site.domain).to.equal(rid);
+
+      expect(payload.imp).to.exist;
+      expect(payload.imp[0]).to.exist;
+      expect(payload.imp[0].ext).to.exist;
+      expect(payload.imp[0].ext.prebid).to.exist;
+      expect(payload.imp[0].ext.prebid.storedrequest).to.exist;
+      expect(payload.imp[0].ext.prebid.storedrequest.id).to.exist;
+      expect(payload.imp[0].ext.prebid.storedrequest.id).to.equal(pid.toString());
+    });
+  });
+
+  describe('interpretResponse', () => {
+    it('should interpret the response by pushing it in the bids elem', function () {
+      const allResponses = spec.interpretResponse(serverResponse);
+      const response = allResponses[0];
+      const seatbid = serverResponse.body.seatbid[0].bid[0];
+
+      expect(response.requestId).to.exist;
+      expect(response.requestId).to.equal(seatbid.impid);
+      expect(response.cpm).to.exist;
+      expect(response.cpm).to.equal(seatbid.price);
+      expect(response.width).to.exist;
+      expect(response.width).to.equal(seatbid.w);
+      expect(response.height).to.exist;
+      expect(response.height).to.equal(seatbid.h);
+      expect(response.ad).to.exist;
+      expect(response.ad).to.equal(seatbid.adm);
+      expect(response.ttl).to.exist;
+      expect(response.creativeId).to.exist;
+      expect(response.creativeId).to.equal(seatbid.crid);
+      expect(response.netRevenue).to.exist;
+      expect(response.currency).to.exist;
+    });
+  });
+
+  describe('getUserSyncs', function() {
+    it('should retrieve user iframe syncs', function () {
+      expect(spec.getUserSyncs({ iframeEnabled: true }, [serverResponse], undefined, undefined)).to.deep.equal([{
+        type: 'iframe',
+        url: 'https://cdn-a.yieldlove.com/load-cookie.html?endpoint=yieldlove&max_sync_count=100&gdpr=NaN&gdpr_consent=&'
+      }]);
+
+      expect(spec.getUserSyncs({ iframeEnabled: true }, [serverResponse], { gdprApplies: true, consentString: 'example' }, undefined)).to.deep.equal([{
+        type: 'iframe',
+        url: 'https://cdn-a.yieldlove.com/load-cookie.html?endpoint=yieldlove&max_sync_count=100&gdpr=1&gdpr_consent=example&'
+      }]);
+    });
+  });
+})