Mediaimpact Bid Adapter: initial release (prebid#11099)

* Add mediaimpact bid adapter

* Add mediaimpact bid adapter tests

---------

Co-authored-by: koshe <koshelev.alexandr@gmail.com>

modules/mediaimpactBidAdapter.js

@@ -0,0 +1,211 @@
+import {registerBidder} from '../src/adapters/bidderFactory.js';
+import { buildUrl } from '../src/utils.js'
+import {ajax} from '../src/ajax.js';
+
+const BIDDER_CODE = 'mediaimpact';
+export const ENDPOINT_PROTOCOL = 'https';
+export const ENDPOINT_DOMAIN = 'bidder.smartytouch.co';
+export const ENDPOINT_PATH = '/hb/bid';
+
+export const spec = {
+  code: BIDDER_CODE,
+
+  isBidRequestValid: function (bidRequest) {
+    return !!parseInt(bidRequest.params.unitId) || !!parseInt(bidRequest.params.partnerId);
+  },
+
+  buildRequests: function (validBidRequests, bidderRequest) {
+    // TODO does it make sense to fall back to window.location.href?
+    const referer = bidderRequest?.refererInfo?.page || window.location.href;
+
+    let bidRequests = [];
+    let beaconParams = {
+      tag: [],
+      partner: [],
+      sizes: [],
+      referer: ''
+    };
+
+    validBidRequests.forEach(function(validBidRequest) {
+      let bidRequestObject = {
+        adUnitCode: validBidRequest.adUnitCode,
+        sizes: validBidRequest.sizes,
+        bidId: validBidRequest.bidId,
+        referer: referer
+      };
+
+      if (parseInt(validBidRequest.params.unitId)) {
+        bidRequestObject.unitId = parseInt(validBidRequest.params.unitId);
+        beaconParams.tag.push(validBidRequest.params.unitId);
+      }
+
+      if (parseInt(validBidRequest.params.partnerId)) {
+        bidRequestObject.unitId = 0;
+        bidRequestObject.partnerId = parseInt(validBidRequest.params.partnerId);
+        beaconParams.partner.push(validBidRequest.params.partnerId);
+      }
+
+      bidRequests.push(bidRequestObject);
+
+      beaconParams.sizes.push(spec.joinSizesToString(validBidRequest.sizes));
+      beaconParams.referer = encodeURIComponent(referer);
+    });
+
+    if (beaconParams.partner.length > 0) {
+      beaconParams.partner = beaconParams.partner.join(',');
+    } else {
+      delete beaconParams.partner;
+    }
+
+    beaconParams.tag = beaconParams.tag.join(',');
+    beaconParams.sizes = beaconParams.sizes.join(',');
+
+    let adRequestUrl = buildUrl({
+      protocol: ENDPOINT_PROTOCOL,
+      hostname: ENDPOINT_DOMAIN,
+      pathname: ENDPOINT_PATH,
+      search: beaconParams
+    });
+
+    return {
+      method: 'POST',
+      url: adRequestUrl,
+      data: JSON.stringify(bidRequests)
+    };
+  },
+
+  joinSizesToString: function(sizes) {
+    let res = [];
+    sizes.forEach(function(size) {
+      res.push(size.join('x'));
+    });
+
+    return res.join('|');
+  },
+
+  interpretResponse: function (serverResponse, bidRequest) {
+    const validBids = JSON.parse(bidRequest.data);
+
+    if (typeof serverResponse.body === 'undefined') {
+      return [];
+    }
+
+    return validBids
+      .map(bid => ({
+        bid: bid,
+        ad: serverResponse.body[bid.adUnitCode]
+      }))
+      .filter(item => item.ad)
+      .map(item => spec.adResponse(item.bid, item.ad));
+  },
+
+  adResponse: function(bid, ad) {
+    const bidObject = {
+      requestId: bid.bidId,
+      ad: ad.ad,
+      cpm: ad.cpm,
+      width: ad.width,
+      height: ad.height,
+      ttl: 60,
+      creativeId: ad.creativeId,
+      netRevenue: ad.netRevenue,
+      currency: ad.currency,
+      winNotification: ad.winNotification
+    }
+
+    bidObject.meta = {};
+    if (ad.adomain && ad.adomain.length > 0) {
+      bidObject.meta.advertiserDomains = ad.adomain;
+    }
+
+    return bidObject;
+  },
+
+  onBidWon: function(data) {
+    data.winNotification.forEach(function(unitWon) {
+      let adBidWonUrl = buildUrl({
+        protocol: ENDPOINT_PROTOCOL,
+        hostname: ENDPOINT_DOMAIN,
+        pathname: unitWon.path
+      });
+
+      if (unitWon.method === 'POST') {
+        spec.postRequest(adBidWonUrl, JSON.stringify(unitWon.data));
+      }
+    });
+
+    return true;
+  },
+
+  postRequest(endpoint, data) {
+    ajax(endpoint, null, data, {method: 'POST'});
+  },
+
+  getUserSyncs: function(syncOptions, serverResponses, gdprConsent, uspConsent) {
+    const syncs = [];
+
+    if (!syncOptions.iframeEnabled && !syncOptions.pixelEnabled) {
+      return syncs;
+    }
+
+    let appendGdprParams = function (url, gdprParams) {
+      if (gdprParams === null) {
+        return url;
+      }
+
+      return url + (url.indexOf('?') >= 0 ? '&' : '?') + gdprParams;
+    };
+
+    let gdprParams = null;
+    if (gdprConsent) {
+      if (typeof gdprConsent.gdprApplies === 'boolean') {
+        gdprParams = `gdpr=${Number(gdprConsent.gdprApplies)}&gdpr_consent=${gdprConsent.consentString}`;
+      } else {
+        gdprParams = `gdpr_consent=${gdprConsent.consentString}`;
+      }
+    }
+
+    serverResponses.forEach(resp => {
+      if (resp.body) {
+        Object.keys(resp.body).map(function(key, index) {
+          let respObject = resp.body[key];
+          if (respObject['syncs'] !== undefined &&
+            Array.isArray(respObject.syncs) &&
+            respObject.syncs.length > 0) {
+            if (syncOptions.iframeEnabled) {
+              respObject.syncs.filter(function (syncIframeObject) {
+                if (syncIframeObject['type'] !== undefined &&
+                  syncIframeObject['link'] !== undefined &&
+                  syncIframeObject.type === 'iframe') { return true; }
+                return false;
+              }).forEach(function (syncIframeObject) {
+                syncs.push({
+                  type: 'iframe',
+                  url: appendGdprParams(syncIframeObject.link, gdprParams)
+                });
+              });
+            }
+            if (syncOptions.pixelEnabled) {
+              respObject.syncs.filter(function (syncImageObject) {
+                if (syncImageObject['type'] !== undefined &&
+                  syncImageObject['link'] !== undefined &&
+                  syncImageObject.type === 'image') { return true; }
+                return false;
+              }).forEach(function (syncImageObject) {
+                syncs.push({
+                  type: 'image',
+                  url: appendGdprParams(syncImageObject.link, gdprParams)
+                });
+              });
+            }
+          }
+        });
+      }
+    });
+
+    return syncs;
+  },
+
+}
+
+registerBidder(spec);

modules/mediaimpactBidAdapter.md

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+# Overview
+
+Module Name: MEDIAIMPACT Bidder Adapter
+
+Module Type: Bidder Adapter
+
+Maintainer: Info@mediaimpact.com.ua
+
+# Description
+
+You can use this adapter to get a bid from mediaimpact.com.ua.
+
+About us : https://mediaimpact.com.ua
+
+
+# Test Parameters
+```javascript
+    var adUnits = [
+        {
+            code: 'div-ad-example',
+            sizes: [[300, 250]],
+            bids: [
+                {
+                    bidder: "mediaimpact",
+                    params: {
+                        unitId: 6698
+                    }
+                }
+            ]
+        },
+        {
+            code: 'div-ad-example-2',
+            sizes: [[300, 250]],
+            bids: [
+                {
+                    bidder: "mediaimpact",
+                    params: {
+                        partnerId: 6698
+                    }
+                }
+            ]
+        }
+    ];
+```