Merge pull request #82 from Financial-Times/more-advert-stats

Log DFP advert requested in Spoor

analytics.md

@@ -6,6 +6,7 @@ An overview of the o-video analytics.
 
 The advert events are fired by the [Google IMA SDK](https://developers.google.com/interactive-media-ads/docs/sdks/html5/v3/apis#ima.AdEvent.Type).
 
+- adRequested - The request to the ad server has been made.
 - adStart - The advert started.
 - adComplete - The advert finished (i.e. played through to the end).
 - adSkippable - The advert is skippable, fired when the state changes to skippable.

src/js/ads.js

@@ -128,6 +128,17 @@ class VideoAds {
 		adsRequest.nonLinearAdSlotWidth = 592;
 		adsRequest.nonLinearAdSlotHeight = 150;
 
+		// Temporary fix to verify DFP behaviour
+		const options = {
+			category: 'video',
+			action: 'adRequested',
+			detail: {
+				contentId: this.video.opts.id
+			}
+		};
+		const requestedEvent = new CustomEvent('oTracking.event', options);
+		document.body.dispatchEvent(requestedEvent);
+
 		this.adsLoader.requestAds(adsRequest);
 	}