New bid adapter for OPEN8 (#3521)

* add open8 adapter

* slotkey and fix

* add maintainer address

* add bidwon

* check field populated

modules/open8BidAdapter.js

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+import { Renderer } from 'src/Renderer';
+import {ajax} from '../src/ajax';
+import * as utils from 'src/utils';
+import { registerBidder } from 'src/adapters/bidderFactory';
+import { VIDEO, BANNER } from 'src/mediaTypes';
+
+const BIDDER_CODE = 'open8';
+const URL = '//as.vt.open8.com/v1/control/prebid';
+const AD_TYPE = {
+  VIDEO: 1,
+  BANNER: 2
+};
+
+export const spec = {
+  code: BIDDER_CODE,
+  supportedMediaTypes: [VIDEO, BANNER],
+
+  isBidRequestValid: function(bid) {
+    return !!(bid.params.slotKey);
+  },
+
+  buildRequests: function(validBidRequests, bidderRequest) {
+    var requests = [];
+    for (var i = 0; i < validBidRequests.length; i++) {
+      var bid = validBidRequests[i];
+      var queryString = '';
+      var slotKey = utils.getBidIdParameter('slotKey', bid.params);
+      queryString = utils.tryAppendQueryString(queryString, 'slot_key', slotKey);
+      queryString = utils.tryAppendQueryString(queryString, 'imp_id', generateImpId());
+      queryString += ('bid_id=' + bid.bidId);
+
+      requests.push({
+        method: 'GET',
+        url: URL,
+        data: queryString
+      });
+    }
+    return requests;
+  },
+
+  interpretResponse: function(serverResponse, request) {
+    var bidderResponse = serverResponse.body;
+
+    if (!bidderResponse.isAdReturn) {
+      return [];
+    }
+
+    var ad = bidderResponse.ad;
+
+    const bid = {
+      slotKey: bidderResponse.slotKey,
+      userId: bidderResponse.userId,
+      impId: bidderResponse.impId,
+      media: bidderResponse.media,
+      ds: ad.ds,
+      spd: ad.spd,
+      fa: ad.fa,
+      pr: ad.pr,
+      mr: ad.mr,
+      nurl: ad.nurl,
+      requestId: ad.bidId,
+      cpm: ad.price,
+      creativeId: ad.creativeId,
+      dealId: ad.dealId,
+      currency: ad.currency || 'JPY',
+      netRevenue: true,
+      ttl: 360, // 6 minutes
+    }
+
+    if (ad.adType === AD_TYPE.VIDEO) {
+      const videoAd = bidderResponse.ad.video;
+      Object.assign(bid, {
+        vastXml: videoAd.vastXml,
+        width: videoAd.w,
+        height: videoAd.h,
+        renderer: newRenderer(bidderResponse),
+        adResponse: bidderResponse,
+        mediaType: VIDEO
+      });
+    } else if (ad.adType === AD_TYPE.BANNER) {
+      const bannerAd = bidderResponse.ad.banner;
+      Object.assign(bid, {
+        width: bannerAd.w,
+        height: bannerAd.h,
+        ad: bannerAd.adm,
+        mediaType: BANNER
+      });
+      if (bannerAd.imps) {
+        try {
+          bannerAd.imps.forEach(impTrackUrl => {
+            const tracker = utils.createTrackPixelHtml(impTrackUrl);
+            bid.ad += tracker;
+          });
+        } catch (error) {
+          utils.logError('Error appending imp tracking pixel', error);
+        }
+      }
+    }
+    return [bid];
+  },
+
+  getUserSyncs: function(syncOptions, serverResponses) {
+    const syncs = [];
+    if (syncOptions.iframeEnabled && serverResponses.length) {
+      const syncIFs = serverResponses[0].body.syncIFs;
+      if (syncIFs) {
+        syncIFs.forEach(sync => {
+          syncs.push({
+            type: 'iframe',
+            url: sync
+          });
+        });
+      }
+    }
+    if (syncOptions.pixelEnabled && serverResponses.length) {
+      const syncPixs = serverResponses[0].body.syncPixels;
+      if (syncPixs) {
+        syncPixs.forEach(sync => {
+          syncs.push({
+            type: 'image',
+            url: sync
+          });
+        });
+      }
+    }
+    return syncs;
+  },
+  onBidWon: function(bid) {
+    if (!bid.nurl) { return; }
+    const winUrl = bid.nurl.replace(
+      /\$\{AUCTION_PRICE\}/,
+      bid.cpm
+    );
+    ajax(winUrl, null);
+  }
+}
+
+function generateImpId() {
+  var l = 16;
+  var c = 'abcdefghijklmnopqrstuvwsyz0123456789';
+  var cl = c.length;
+  var r = '';
+  for (var i = 0; i < l; i++) {
+    r += c[Math.floor(Math.random() * cl)];
+  }
+  return r;
+}
+
+function newRenderer(bidderResponse) {
+  const renderer = Renderer.install({
+    id: bidderResponse.ad.bidId,
+    url: bidderResponse.ad.video.purl,
+    loaded: false,
+  });
+
+  try {
+    renderer.setRender(outstreamRender);
+  } catch (err) {
+    utils.logWarn('Prebid Error calling setRender on newRenderer', err);
+  }
+
+  return renderer;
+}
+
+function outstreamRender(bid) {
+  bid.renderer.push(() => {
+    window.op8.renderPrebid({
+      vastXml: bid.vastXml,
+      adUnitCode: bid.adUnitCode,
+      slotKey: bid.slotKey,
+      impId: bid.impId,
+      userId: bid.userId,
+      media: bid.media,
+      ds: bid.ds,
+      spd: bid.spd,
+      fa: bid.fa,
+      pr: bid.pr,
+      mr: bid.mr,
+      adResponse: bid.adResponse,
+      mediaType: bid.mediaType
+    });
+  });
+}
+
+registerBidder(spec);

modules/open8BidAdapter.md

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+# Overview
+
+**Module Name**: Open8 Bidder Adapter
+**Module Type**: Bidder Adapter
+**Maintainer**:  tdd-adtech@open8.com
+
+ # Description
+
+Innity Bidder Adapter for Prebid.js.
+
+# Test Parameters
+```
+var adUnits = [
+  // Banner adUnit
+  {
+    code: 'banner-div',
+    mediaTypes: {
+      banner: {
+        sizes: [
+          [300, 250]
+        ],
+      }
+    },
+    bids: [{
+      bidder: 'open8',
+      params: {
+        slotKey: '504c2e89'
+      }
+    }]
+  }, 
+  // Video outstream adUnit 
+  {
+    code: 'video-outstream',
+    sizes: [
+        [640, 360]
+      ],
+    mediaTypes: {
+      video: {
+        context: 'outstream'
+      }
+    },
+    bids: [{
+      bidder: 'open8',
+      params: {
+        slotKey: '2ae5a533'
+      }
+    }]
+  }];
+
+```