New bidder adapter for MicroAd (prebid#3565)

* Add microadBidAdapter

* Remove unnecessary encodeURIComponent from microadBidAdapter

* Correct procudtion endpoint for prebid

Author: strong-zero

modules/microadBidAdapter.js

@@ -0,0 +1,151 @@
+import { registerBidder } from 'src/adapters/bidderFactory';
+import { BANNER } from 'src/mediaTypes';
+
+const BIDDER_CODE = 'microad';
+
+const ENDPOINT_URLS = {
+  'production': '//s-rtb-pb.send.microad.jp/prebid',
+  'test': 'https://rtbtest.send.microad.jp/prebid'
+};
+export let ENVIRONMENT = 'production';
+
+/* eslint-disable no-template-curly-in-string */
+const EXT_URL_STRING = '${COMPASS_EXT_URL}';
+const EXT_REF_STRING = '${COMPASS_EXT_REF}';
+const EXT_IFA_STRING = '${COMPASS_EXT_IFA}';
+const EXT_APPID_STRING = '${COMPASS_EXT_APPID}';
+const EXT_GEO_STRING = '${COMPASS_EXT_GEO}';
+/* eslint-enable no-template-curly-in-string */
+
+const BANNER_CODE = 1;
+const NATIVE_CODE = 2;
+const VIDEO_CODE = 4;
+
+function createCBT() {
+  const randomValue = Math.floor(Math.random() * Math.pow(10, 18)).toString(16);
+  const date = new Date().getTime().toString(16);
+  return randomValue + date;
+}
+
+function createBitSequenceFromMediaType(hi, code) {
+  return (hi ? -1 : 0) & code;
+}
+
+function convertMediaTypes(bid) {
+  return createBitSequenceFromMediaType(bid.mediaTypes.banner, BANNER_CODE) |
+    createBitSequenceFromMediaType(bid.mediaTypes.native, NATIVE_CODE) |
+    createBitSequenceFromMediaType(bid.mediaTypes.video, VIDEO_CODE);
+}
+
+export const spec = {
+  code: BIDDER_CODE,
+  supportedMediaTypes: [BANNER],
+  isBidRequestValid: function(bid) {
+    return !!(bid && bid.params && bid.params.spot && bid.mediaTypes && (bid.mediaTypes.banner || bid.mediaTypes.native || bid.mediaTypes.video));
+  },
+  buildRequests: function(validBidRequests, bidderRequest) {
+    const requests = [];
+
+    validBidRequests.forEach(bid => {
+      const bidParams = bid.params;
+      const params = {
+        spot: bidParams.spot,
+        url: bidderRequest.refererInfo.canonicalUrl || window.location.href,
+        referrer: bidderRequest.refererInfo.referer,
+        bid_id: bid.bidId,
+        transaction_id: bid.transactionId,
+        media_types: convertMediaTypes(bid),
+        cbt: createCBT()
+      };
+
+      if (bidParams.url) {
+        params['url_macro'] = bidParams.url.replace(EXT_URL_STRING, '');
+      }
+
+      if (bidParams.referrer) {
+        params['referrer_macro'] = bidParams.referrer.replace(EXT_REF_STRING, '');
+      }
+
+      if (bidParams.ifa) {
+        params['ifa'] = bidParams.ifa.replace(EXT_IFA_STRING, '');
+      }
+
+      if (bidParams.appid) {
+        params['appid'] = bidParams.appid.replace(EXT_APPID_STRING, '');
+      }
+
+      if (bidParams.geo) {
+        const geo = bidParams.geo.replace(EXT_GEO_STRING, '');
+        if (/^[0-9.\-]+,[0-9.\-]+$/.test(geo)) {
+          params['geo'] = geo;
+        }
+      }
+
+      requests.push({
+        method: 'GET',
+        url: ENDPOINT_URLS[ENVIRONMENT],
+        data: params,
+        options: { Accept: 'application/json' }
+      });
+    });
+    return requests;
+  },
+  interpretResponse: function(serverResponse) {
+    const body = serverResponse.body;
+    const bidResponses = [];
+
+    if (body.cpm && body.cpm > 0) {
+      const bidResponse = {
+        requestId: body.requestId,
+        cpm: body.cpm,
+        width: body.width,
+        height: body.height,
+        ad: body.ad,
+        ttl: body.ttl,
+        creativeId: body.creativeId,
+        netRevenue: body.netRevenue,
+        currency: body.currency,
+      };
+
+      if (body.dealId) {
+        bidResponse['dealId'] = body.dealId;
+      }
+
+      bidResponses.push(bidResponse);
+    }
+
+    return bidResponses;
+  },
+  getUserSyncs: function(syncOptions, serverResponses) {
+    const syncs = [];
+
+    if (!syncOptions.iframeEnabled && !syncOptions.pixelEnabled) {
+      return syncs;
+    }
+
+    serverResponses.forEach(resp => {
+      const syncIframeUrls = resp.body.syncUrls.iframe;
+      const syncImageUrls = resp.body.syncUrls.image;
+      if (syncOptions.iframeEnabled && syncIframeUrls) {
+        syncIframeUrls.forEach(syncIframeUrl => {
+          syncs.push({
+            type: 'iframe',
+            url: syncIframeUrl
+          });
+        });
+      }
+      if (syncOptions.pixelEnabled && syncImageUrls) {
+        syncImageUrls.forEach(syncImageUrl => {
+          syncs.push({
+            type: 'image',
+            url: syncImageUrl
+          });
+        });
+      }
+    });
+
+    return syncs;
+  }
+};
+
+registerBidder(spec);

modules/microadBidAdapter.md

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+# Overview
+
+Module Name: MicroAd SSP Bidder Adapter
+Module Type: Bidder Adapter
+Maintainer: [email protected]
+
+# Description
+
+Module that connects to MicroAd SSP demand sources.
+
+# Test Parameters
+
+```javascript
+    var adUnits = [
+        code: '209e56872ae8b0442a60477ae0c58be9',
+        mediaTypes: {
+            banner: {
+                sizes: [[200, 200]]
+            }
+        },
+        bids: [{
+            bidder: 'microad',
+            params: {
+                spot: '209e56872ae8b0442a60477ae0c58be9'
+            }
+        }]
+    ];
+```