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Merge pull request #522 from alphagov/remove-analytics
Remove old analytics JavaScript
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app/assets/javascripts/analytics/tracking-strategies.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,141 +1,10 @@ | ||
| (function() { | ||
| "use strict"; | ||
| var root = this; | ||
| "use strict"; | ||
|
|
||
| root.GOVUK = root.GOVUK || {}; | ||
| var GOVUK = root.GOVUK; | ||
| window.GOVUK = window.GOVUK || {}; | ||
| window._gaq = window._gaq || []; | ||
|
|
||
| GOVUK.Analytics = GOVUK.Analytics || {}; | ||
|
|
||
| root._gaq = root._gaq || []; | ||
|
|
||
| GOVUK.sendToAnalytics = function (analyticsData) { | ||
| root._gaq.push(analyticsData); | ||
| }; | ||
|
|
||
| GOVUK.Analytics.isTheSameArtefact = function(currentUrl, previousUrl, slugLocation) { | ||
| var rootOfArtefact = function(url) { | ||
| return url.split("/").slice(0, 4 + slugLocation).join("/"); | ||
| }; | ||
|
|
||
| var currentSlug = rootOfArtefact(currentUrl).replace(/#.*$/, ''); | ||
| var previousSlug = rootOfArtefact(previousUrl).replace(/#.*$/, ''); | ||
| return currentSlug === previousSlug; | ||
| }; | ||
|
|
||
| GOVUK.Analytics.getSlug = function(url, slugLocation) { | ||
| return url.split('/')[3 + slugLocation].split("#")[0].split("?")[0]; | ||
| }; | ||
|
|
||
| GOVUK.Analytics.isRootOfArtefact = function(url, slugLocation) { | ||
| return url.replace(/\/$/, "").split("/").slice(3 + slugLocation).length === 1; | ||
| }; | ||
|
|
||
| GOVUK.Analytics.isLinkToFragmentInCurrentDocument = function(anchorElement) { | ||
| var linksToCurrentDocument = anchorElement.href.split("#")[0] === document.URL.split("#")[0]; | ||
| var hasFragment = anchorElement.hash !== ""; | ||
| return linksToCurrentDocument && hasFragment; | ||
| } | ||
|
|
||
| GOVUK.Analytics.startAnalytics = function () { | ||
| var ENTER_KEYCODE = 13; | ||
| var success = false; | ||
| var prefix = 'none'; | ||
| var format = GOVUK.Analytics.Format, | ||
| trackingStrategy = GOVUK.Analytics.Trackers[format]; | ||
|
|
||
| /** | ||
| * Decide whether we should track an event based on a condition function. | ||
| * If the condition function isn't defined then the default condition is used. | ||
| * | ||
| * @param condition, an optional function that returns a boolean | ||
| * @return bool | ||
| */ | ||
| var shouldTrackEvent = function(condition, defaultValue) { | ||
| if (typeof condition === "function") { | ||
| return condition(); | ||
| } else { | ||
| return defaultValue; | ||
| } | ||
| }; | ||
|
|
||
| var createEvent = function(type, isNonInteraction) { | ||
| var slug = GOVUK.Analytics.getSlug(document.URL, trackingStrategy.slugLocation); | ||
| return ['_trackEvent', prefix + GOVUK.Analytics.Format, slug, type, 0, isNonInteraction]; | ||
| }; | ||
|
|
||
| var handleInternalLink = function () { | ||
| if (success) return; | ||
| success = true; | ||
| var event = createEvent("Success", false); | ||
| if (GOVUK.Analytics.isLinkToFragmentInCurrentDocument(this)) { | ||
| GOVUK.sendToAnalytics(event); | ||
| } else { | ||
| GOVUK.Analytics.internalSiteEvents.push(event); | ||
| } | ||
| }; | ||
|
|
||
| var trackLinks = function(selection, trackExternal) { | ||
| // TODO: refactor this to use jQuery("#content").on("click", "a", fireFunction) | ||
| selection.each(function () { | ||
| var linkToTrack = $(this); | ||
|
|
||
| if (this.hostname === window.location.hostname) { | ||
| linkToTrack.click(handleInternalLink); | ||
| linkToTrack.keydown(function(e) { | ||
| if (e.which === ENTER_KEYCODE) { | ||
| handleInternalLink.call(this, e); | ||
| } | ||
| }); | ||
| } | ||
| }); | ||
| }; | ||
|
|
||
| var trackingApi = { | ||
| trackSuccessFunc: function(isNonInteraction) { | ||
| if (isNonInteraction === undefined) { | ||
| isNonInteraction = false; | ||
| } | ||
| return function() { | ||
| trackingApi.trackSuccess(isNonInteraction); | ||
| }; | ||
| }, | ||
| trackSuccess: function (isNonInteraction) { | ||
| if (isNonInteraction === undefined) { | ||
| isNonInteraction = false; | ||
| } | ||
| if (success) return; | ||
| success = true; | ||
| GOVUK.sendToAnalytics(createEvent("Success", isNonInteraction)); | ||
| }, | ||
| trackInternalLinks: function(selection) { | ||
| trackLinks(selection, false); | ||
| }, | ||
| trackLinks:function (selection) { | ||
| trackLinks(selection, true); | ||
| }, | ||
| trackTimeBasedSuccess:function (time) { | ||
| setTimeout(trackingApi.trackSuccessFunc(true), time); | ||
| } | ||
| }; | ||
|
|
||
| if (GOVUK.Analytics.Trackers[format] !== undefined) prefix = GOVUK.Analytics.Trackers[format].prefix; | ||
| if (typeof trackingStrategy === "function") { | ||
| var isTheSameArtefact = GOVUK.Analytics.isTheSameArtefact(document.URL, document.referrer, trackingStrategy.slugLocation); | ||
| if (shouldTrackEvent(trackingStrategy.shouldTrackEntry, !isTheSameArtefact)) { | ||
| GOVUK.sendToAnalytics(createEvent("Entry", true)); | ||
| GOVUK.Analytics.entryTokens.assignToken(); | ||
| } | ||
| if (shouldTrackEvent(trackingStrategy.shouldTrackSuccess, !isTheSameArtefact)) { | ||
| trackingStrategy(trackingApi); | ||
| GOVUK.Analytics.entryTokens.revokeToken(); | ||
| } | ||
| } | ||
|
|
||
| GOVUK.Analytics.internalSiteEvents.sendAll(); | ||
|
|
||
| return trackingApi; | ||
| }; | ||
|
|
||
| $(GOVUK.Analytics.startAnalytics); | ||
| }).call(this); | ||
| GOVUK.sendToAnalytics = function (analyticsData) { | ||
| window._gaq.push(analyticsData); | ||
| }; | ||
| }()); |
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