JW Demand: Implemented buildRequests.

modules/jwplayerBidAdapter.js

@@ -2,11 +2,33 @@
 import { registerBidder } from '../src/adapters/bidderFactory.js';
 // import { config } from 'src/config';
 import { VIDEO } from '../src/mediaTypes.js';
+import { deepSetValue, isFn } from '../src/utils.js';
 
 const BIDDER_CODE = 'jwplayer';
+const URL = 'https://ib.adnxs.com/openrtb2/prebid';
+
 const GVLID = 1046;
 const SUPPORTED_AD_TYPES = [VIDEO];
 
+// Video Parameters 
+// https://docs.prebid.org/dev-docs/bidder-adaptor.html#step-2-accept-video-parameters-and-pass-them-to-your-server
+const VIDEO_ORTB_PARAMS = [
+  'mimes',
+  'minduration',
+  'maxduration',
+  'protocols',
+  'startdelay',
+  'placement',
+  'skip',
+  'skipafter',
+  'minbitrate',
+  'maxbitrate',
+  'delivery',
+  'playbackmethod',
+  'api',
+  'linearity'
+];
+
 export const spec = {
   code: BIDDER_CODE,
   gvlid: GVLID,
@@ -29,10 +51,25 @@ export const spec = {
   /**
    * Make a server request from the list of BidRequests.
    *
-   * @param {BidRequest[]} bidRequests A non-empty list of bid requests which should be sent to the Server.
+   * @param {BidRequest[]} bidRequests A non-empty list of bid requests, or ad units, which should be sent to the server.
+   * @param bidderRequest
    * @return ServerRequest Info describing the request to the server.
    */
-  buildRequests: function(validBidRequests, bidderRequest) {},
+  buildRequests: function(bidRequests, bidderRequest) {
+    if (!bidRequests) {
+      return;
+    }
+
+    return bidRequests.map(bidRequest => {
+      const payload = buildRequest(bidRequest, bidderRequest);
+
+      return {
+        method: 'POST',
+        url: URL,
+        data: payload
+      }
+    });
+  },
 
   /**
    * Unpack the response from the server into a list of bids.
@@ -50,4 +87,129 @@ export const spec = {
   // onBidderError: function({ error, bidderRequest }) {}
 };
 
+function buildRequest(bidRequest, bidderRequest) {
+  // Open RTB Request Object
+  const openrtbRequest = {
+    id: bidRequest.params.bidId,
+    imp: buildRequestImpression(bidRequest, bidderRequest),
+    site: buildRequestSite(bidRequest),
+    device: buildRequestDevice()
+  };
+
+  // Attaching GDPR Consent Params
+  if (bidderRequest.gdprConsent) {
+    deepSetValue(openrtbRequest, 'user.ext.consent', bidderRequest.gdprConsent.consentString);
+    deepSetValue(openrtbRequest, 'regs.ext.gdpr', (bidderRequest.gdprConsent.gdprApplies ? 1 : 0));
+  }
+
+  // CCPA
+  if (bidderRequest.uspConsent) {
+    deepSetValue(openrtbRequest, 'regs.ext.us_privacy', bidderRequest.uspConsent);
+  }
+
+  return JSON.stringify(openrtbRequest);;
+}
+
+function buildRequestImpression(bidRequest) {
+  const impressions = [];
+
+  const impressionObject = {
+    id: bidRequest.adUnitCode,
+    secure: isSecure() ? 1 : 0
+  };
+
+  impressionObject.video = buildImpressionVideo(bidRequest);
+
+  const bidFloorData = buildBidFloorData(bidRequest);
+  impressionObject.bidfloor = bidFloorData.floor;
+  impressionObject.bidfloorcur = bidFloorData.currency;
+
+  impressionObject.ext = buildImpressionExtension(bidRequest);
+
+  impressions.push(impressionObject);
+
+  return impressions;
+}
+
+function buildImpressionVideo(bidRequest) {
+  const videoParams = deepAccess(bidRequest, 'mediaTypes.video', {});
+
+  const video = {};
+
+  // Obtain all ORTB params related video from Ad Unit
+  VIDEO_ORTB_PARAMS.forEach((param) => {
+    if (videoParams.hasOwnProperty(param)) {
+      video[param] = videoParams[param];
+    }
+  });
+
+  return video;
+}
+
+function buildImpressionExtension(bidRequest) {
+  return {
+    appnexus: {
+      placement_id: bidRequest.params.placementId
+    }
+  };
+}
+
+function buildBidFloorData(bidRequest) {
+  const {params} = bidRequest;
+  // Bid Floor
+  const bidFloorRequest = {
+    currency: params.currency || 'USD',
+    mediaType: 'video',
+    size: '*'
+  };
+
+  let floorData;
+  if (isFn(bidRequest.getFloor)) {
+    floorData = bidRequest.getFloor(bidFloorRequest);
+  } else if (params.bidfloor) {
+    floorData = {floor: params.bidfloor, currency: params.currency || 'USD'};
+  }
+
+  return floorData;
+}
+
+function buildRequestSite(bidRequest) {
+  const site = {
+    domain: window.location.hostname,
+    page: window.location.href,
+    ref: bidRequest.refererInfo ? bidRequest.refererInfo.referer || null : null
+  };
+
+  const videoParams = deepAccess(bidRequest, 'mediaTypes.video', {});
+
+  // Site Content
+  if (videoParams.content && isPlainObject(videoParams.content)) {
+    openrtbRequest.site.content = {};
+    const contentStringKeys = ['id', 'title', 'series', 'season', 'genre', 'contentrating', 'language', 'url'];
+    const contentNumberkeys = ['episode', 'prodq', 'context', 'livestream', 'len'];
+    const contentArrayKeys = ['cat'];
+    const contentObjectKeys = ['ext'];
+    for (const contentKey in videoBidderParams.content) {
+      if (
+        (contentStringKeys.indexOf(contentKey) > -1 && isStr(videoParams.content[contentKey])) ||
+        (contentNumberkeys.indexOf(contentKey) > -1 && isNumber(videoParams.content[contentKey])) ||
+        (contentObjectKeys.indexOf(contentKey) > -1 && isPlainObject(videoParams.content[contentKey])) ||
+        (contentArrayKeys.indexOf(contentKey) > -1 && isArray(videoParams.content[contentKey]) &&
+        videoParams.content[contentKey].every(catStr => isStr(catStr)))) {
+        site.content[contentKey] = videoParams.content[contentKey];
+      } else {
+        logMessage('JWPlayer bid adapter validation error: ', contentKey, ' is either not supported is OpenRTB V2.5 or value is undefined');
+      }
+    }
+  }
+  return site;
+}
+
+function buildRequestDevice() {
+  return {
+    ua: navigator.userAgent,
+    ip: ''
+  };
+}
+
 registerBidder(spec);