New adapter: Adhese (prebid#3384)

* Add Adhese adapter

* Support empty impressionCounters

* Fix the description

* Replace Object.entries with Object.keys

* Cleanup

* Use const instead of let

* Internal functions are no longer exposed

* Rename getter

* Use the bid parameters pointing to the existing demo position

modules/adheseBidAdapter.js

@@ -0,0 +1,166 @@
+'use strict';
+
+import { registerBidder } from 'src/adapters/bidderFactory';
+import { BANNER, VIDEO } from 'src/mediaTypes';
+
+const BIDDER_CODE = 'adhese';
+const USER_SYNC_BASE_URL = 'https://user-sync.adhese.com/iframe/user_sync.html';
+
+export const spec = {
+  code: BIDDER_CODE,
+  supportedMediaTypes: [BANNER, VIDEO],
+
+  isBidRequestValid: function(bid) {
+    return !!(bid.params.account && bid.params.location && bid.params.format);
+  },
+
+  buildRequests: function(validBidRequests, bidderRequest) {
+    if (validBidRequests.length === 0) {
+      return null;
+    }
+
+    const account = getAccount(validBidRequests);
+    const targets = validBidRequests.map(bid => bid.params.data).reduce(mergeTargets, {});
+    const gdprParams = (bidderRequest.gdprConsent && bidderRequest.gdprConsent.consentString) ? [ 'xt' + bidderRequest.gdprConsent.consentString ] : [];
+    const targetsParams = Object.keys(targets).map(targetCode => targetCode + targets[targetCode].join(';'));
+    const slotsParams = validBidRequests.map(bid => 'sl' + bidToSlotName(bid));
+    const params = [...slotsParams, ...targetsParams, ...gdprParams].map(s => '/' + s).join('');
+    const cacheBuster = '?t=' + new Date().getTime();
+    const uri = 'https://ads-' + account + '.adhese.com/json' + params + cacheBuster;
+
+    return {
+      method: 'GET',
+      url: uri,
+      bids: validBidRequests
+    };
+  },
+
+  interpretResponse: function(serverResponse, request) {
+    const serverAds = serverResponse.body.reduce(function(map, ad) {
+      map[ad.slotName] = ad;
+      return map;
+    }, {});
+
+    serverResponse.account = getAccount(request.bids);
+
+    return request.bids
+      .map(bid => ({
+        bid: bid,
+        ad: serverAds[bidToSlotName(bid)]
+      }))
+      .filter(item => item.ad)
+      .map(item => adResponse(item.bid, item.ad));
+  },
+
+  getUserSyncs: function(syncOptions, serverResponse, gdprConsent) {
+    const account = serverResponse.account || '';
+    if (syncOptions.iframeEnabled) {
+      let syncurl = USER_SYNC_BASE_URL + '?account=' + account;
+      if (gdprConsent) {
+        syncurl += '&gdpr=' + (gdprConsent.gdprApplies ? 1 : 0);
+        syncurl += '&consentString=' + encodeURIComponent(gdprConsent.consentString || '');
+      }
+      return [{ type: 'iframe', url: syncurl }];
+    }
+  }
+};
+
+function adResponse(bid, ad) {
+  const price = getPrice(ad);
+  const adDetails = getAdDetails(ad);
+  const markup = getAdMarkup(ad);
+
+  const bidResponse = getbaseAdResponse({
+    requestId: bid.bidId,
+    mediaType: getMediaType(markup),
+    cpm: Number(price.amount),
+    currency: price.currency,
+    width: Number(ad.width),
+    height: Number(ad.height),
+    creativeId: adDetails.creativeId,
+    dealId: adDetails.dealId
+  });
+
+  if (bidResponse.mediaType === VIDEO) {
+    bidResponse.vastXml = markup;
+  } else {
+    const counter = ad.impressionCounter ? "<img src='" + ad.impressionCounter + "' style='height:1px; width:1px; margin: -1px -1px; display:none;'/>" : '';
+    bidResponse.ad = markup + counter;
+  }
+  return bidResponse;
+}
+
+function mergeTargets(targets, target) {
+  if (target) {
+    Object.keys(target).forEach(function (key) {
+      const val = target[key];
+      const values = Array.isArray(val) ? val : [val];
+      if (targets[key]) {
+        const distinctValues = values.filter(v => targets[key].indexOf(v) < 0);
+        targets[key].push.apply(targets[key], distinctValues);
+      } else {
+        targets[key] = values;
+      }
+    });
+  }
+  return targets;
+}
+
+function bidToSlotName(bid) {
+  return bid.params.location + '-' + bid.params.format;
+}
+
+function getAccount(validBidRequests) {
+  return validBidRequests[0].params.account;
+}
+
+function getbaseAdResponse(response) {
+  return Object.assign({ netRevenue: true, ttl: 360 }, response);
+}
+
+function isAdheseAd(ad) {
+  return !ad.origin || ad.origin === 'JERLICIA';
+}
+
+function getMediaType(markup) {
+  const isVideo = markup.trim().toLowerCase().match(/<\?xml|<vast/);
+  return isVideo ? VIDEO : BANNER;
+}
+
+function getAdMarkup(ad) {
+  if (!isAdheseAd(ad) || (ad.ext === 'js' && ad.body !== undefined && ad.body !== '' && ad.body.match(/<script|<SCRIPT|<html|<HTML|<\?xml/))) {
+    return ad.body
+  } else {
+    return ad.tag;
+  }
+}
+
+function getPrice(ad) {
+  if (ad.extension && ad.extension.prebid && ad.extension.prebid.cpm) {
+    return ad.extension.prebid.cpm;
+  }
+  return { amount: 0, currency: 'USD' };
+}
+
+function getAdDetails(ad) {
+  let creativeId = '';
+  let dealId = '';
+
+  if (isAdheseAd(ad)) {
+    creativeId = ad.id;
+    dealId = ad.orderId;
+  } else {
+    creativeId = ad.origin + (ad.originInstance ? '-' + ad.originInstance : '');
+    if (ad.originData && ad.originData.seatbid && ad.originData.seatbid.length) {
+      const seatbid = ad.originData.seatbid[0];
+      if (seatbid.bid && seatbid.bid.length) {
+        const bid = seatbid.bid[0];
+        creativeId = String(bid.crid || '');
+        dealId = String(bid.dealid || '');
+      }
+    }
+  }
+  return { creativeId: creativeId, dealId: dealId };
+}
+
+registerBidder(spec);

modules/adheseBidAdapter.md

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+# Overview
+
+```
+Module Name: Adhese Bidder Adapter
+Module Type: Bidder Adapter
+Maintainer: info@adhese.com 
+```
+
+# Description
+
+Module that connects with Adhese Adserver and Adhese Gateway. Banner and Video are supported.
+
+# Test Parameters
+```
+    var adUnits = [
+        {
+            code: 'test-div1',
+            mediaTypes: {
+                banner: {
+                    sizes: [[728, 90], [850, 150]],  // a display size
+                }
+            },
+            bids: [
+                {
+                    bidder: "adhese",
+                    params: {
+                        account: 'demo',                   // required - the name of your adhese account, if unknown, please contact your sales rep
+                        location: '_adhese_prebid_demo_',  // required - the location you want to refer to for a specific section or page, as defined in your Adhese inventory
+                        format: 'leaderboard',             // required - the format you accept for this unit, as defined in your Adhese inventory
+                        data: {                            // optional - target params, as defined in your Adhese setup
+                            'ci': ['gent', 'brussels']
+                            'ag': ['55']
+                            'tl': ['all']
+                        }
+                    }
+                }
+            ]
+        }
+    ];
+```