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42 lines
1.3 KiB
CoffeeScript
42 lines
1.3 KiB
CoffeeScript
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define [
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"base"
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"libs/md5"
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], (App) ->
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App.factory "abTestManager", ($http, ipCookie) ->
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_buildCookieKey = (testName)-> "sl_abt_#{testName}"
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_getTestCookie = (testName)->
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cookieKey = _buildCookieKey(testName)
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return ipCookie(cookieKey)
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_persistCookieStep = (testName, newStep)->
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ipCookie(_buildCookieKey(testName), step:newStep, {expires:10})
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ga('send', 'event', 'ab_tests', testName, {step:newStep})
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_checkIfStepIsNext = (cookieStep, newStep)->
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if !cookieStep? and newStep != 0
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return false
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else if newStep == 0
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return true
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else if (cookieStep+1) == newStep
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return true
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else
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return false
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processTestWithStep: processTestWithStep = (testName, newStep)->
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currentCookieStep = _getTestCookie(testName)?.step
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if _checkIfStepIsNext(currentCookieStep, newStep)
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_persistCookieStep(testName, newStep)
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getABTestBucket: getABTestBucket = (user_id, test_name, buckets) ->
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hash = CryptoJS.MD5("#{user_id}:#{test_name}")
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bucketIndex = parseInt(hash.toString().slice(0,2), 16) % (buckets?.length or 2)
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return buckets[bucketIndex]
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App.controller "AbTestController", ($scope, abTestManager)->
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testKeys = _.keys(window.ab)
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_.each testKeys, (testName)->
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abTestManager.processTestWithStep testName, window.ab[testName]?.step
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