New e-volution tech bid adapter (prebid#4934)

* initial

* fix

* fix

* fix

* fix

* fix

* fix

* fix

* fix

* fix

* fixes

* navigator check

* navigator.language check

Author: e-volution-tech

modules/evolution_techBidAdapter.js

@@ -0,0 +1,111 @@
+import {registerBidder} from '../src/adapters/bidderFactory.js';
+import { BANNER, NATIVE, VIDEO } from '../src/mediaTypes.js';
+import * as utils from '../src/utils.js';
+
+const BIDDER_CODE = 'e_volution';
+const AD_URL = 'https://service.e-volution.ai/?c=o&m=multi';
+const URL_SYNC = 'https://service.e-volution.ai/?c=o&m=sync';
+const NO_SYNC = true;
+
+function isBidResponseValid(bid) {
+  if (!bid.requestId || !bid.cpm || !bid.creativeId ||
+    !bid.ttl || !bid.currency) {
+    return false;
+  }
+  switch (bid.mediaType) {
+    case BANNER:
+      return Boolean(bid.width && bid.height && bid.ad);
+    case VIDEO:
+      return Boolean(bid.vastUrl);
+    case NATIVE:
+      return Boolean(bid.native && bid.native.title && bid.native.image && bid.native.impressionTrackers);
+    default:
+      return false;
+  }
+}
+
+export const spec = {
+  code: BIDDER_CODE,
+  supportedMediaTypes: [BANNER, VIDEO, NATIVE],
+  noSync: NO_SYNC,
+
+  isBidRequestValid: (bid) => {
+    return Boolean(bid.bidId && bid.params && !isNaN(parseInt(bid.params.placementId)));
+  },
+
+  buildRequests: (validBidRequests = [], bidderRequest) => {
+    let winTop = window;
+    let location;
+    try {
+      location = new URL(bidderRequest.refererInfo.referer)
+      winTop = window.top;
+    } catch (e) {
+      location = winTop.location;
+      utils.logMessage(e);
+    };
+    let placements = [];
+    let request = {
+      'deviceWidth': winTop.screen.width,
+      'deviceHeight': winTop.screen.height,
+      'language': (navigator && navigator.language) ? navigator.language.split('-')[0] : '',
+      'secure': 1,
+      'host': location.host,
+      'page': location.pathname,
+      'placements': placements
+    };
+    if (bidderRequest) {
+      if (bidderRequest.uspConsent) {
+        request.ccpa = bidderRequest.uspConsent;
+      }
+      if (bidderRequest.gdprConsent) {
+        request.gdpr = bidderRequest.gdprConsent
+      }
+    }
+    const len = validBidRequests.length;
+
+    for (let i = 0; i < len; i++) {
+      let bid = validBidRequests[i];
+      let traff = bid.params.traffic || BANNER
+
+      placements.push({
+        placementId: bid.params.placementId,
+        bidId: bid.bidId,
+        sizes: bid.mediaTypes && bid.mediaTypes[traff] && bid.mediaTypes[traff].sizes ? bid.mediaTypes[traff].sizes : [],
+        traffic: traff
+      });
+      if (bid.schain) {
+        placements.schain = bid.schain;
+      }
+    }
+    return {
+      method: 'POST',
+      url: AD_URL,
+      data: request
+    };
+  },
+
+  interpretResponse: (serverResponse) => {
+    let response = [];
+    for (let i = 0; i < serverResponse.body.length; i++) {
+      let resItem = serverResponse.body[i];
+      if (isBidResponseValid(resItem)) {
+        response.push(resItem);
+      }
+    }
+    return response;
+  },
+
+  getUserSyncs: (syncOptions, serverResponses) => {
+    if (NO_SYNC) {
+      return false
+    } else {
+      return [{
+        type: 'image',
+        url: URL_SYNC
+      }];
+    }
+  }
+
+};
+
+registerBidder(spec);

modules/evolution_techBidAdapter.md

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+# Overview
+
+```
+Module Name: e_volution Bidder Adapter
+Module Type: Bidder Adapter
+```
+
+# Description
+
+Module that connects to e-volution-tech demand sources
+
+# Test Parameters
+```
+    var adUnits = [
+                // Will return static test banner
+                {
+                    code: 'placementId_0',
+                    mediaTypes: {
+                        banner: {
+                            sizes: [[300, 250]],
+                        }
+                    },
+                    bids: [
+                        {
+                            bidder: 'e_volution',
+                            params: {
+                                placementId: 0,
+                                traffic: 'banner'
+                            }
+                        }
+                    ]
+                },
+                // Will return test vast xml. All video params are stored under placement in publishers UI
+                {
+                    code: 'placementId_0',
+                    mediaTypes: {
+                        video: {
+                            playerSize: [640, 480],
+                            context: 'instream'
+                        }
+                    },
+                    bids: [
+                        {
+                            bidder: 'e_volution',
+                            params: {
+                                placementId: 0,
+                                traffic: 'video'
+                            }
+                        }
+                    ]
+                }
+            ];
+```