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271 lines
11 KiB
CoffeeScript
271 lines
11 KiB
CoffeeScript
AnalyticsLogEvent = require './AnalyticsLogEvent'
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Campaign = require '../campaigns/Campaign'
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Level = require '../levels/Level'
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Handler = require '../commons/Handler'
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log = require 'winston'
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class AnalyticsLogEventHandler extends Handler
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modelClass: AnalyticsLogEvent
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jsonSchema: require '../../app/schemas/models/analytics_log_event'
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editableProperties: [
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'event'
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'properties'
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]
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hasAccess: (req) ->
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req.method in ['POST'] or req.user?.isAdmin()
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makeNewInstance: (req) ->
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instance = super(req)
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instance.set('user', req.user._id)
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instance
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getByRelationship: (req, res, args...) ->
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return @getLevelCompletionsBySlug(req, res) if args[1] is 'level_completions'
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return @getCampaignCompletionsBySlug(req, res) if args[1] is 'campaign_completions'
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super(arguments...)
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getLevelCompletionsBySlug: (req, res) ->
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# Returns an array of per-day level starts and finishes
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# Parameters:
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# slug - level slug
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# startDay - Inclusive, optional, e.g. '2014-12-14'
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# endDay - Exclusive, optional, e.g. '2014-12-16'
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# TODO: An uncached call takes about 15s locally
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levelSlug = req.query.slug or req.body.slug
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startDay = req.query.startDay or req.body.startDay
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endDay = req.query.endDay or req.body.endDay
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return @sendSuccess res, [] unless levelSlug?
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# Cache results for 1 day
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@levelCompletionsCache ?= {}
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@levelCompletionsCachedSince ?= new Date()
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if (new Date()) - @levelCompletionsCachedSince > 86400 * 1000 # Dumb cache expiration
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@levelCompletionsCache = {}
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@levelCompletionsCachedSince = new Date()
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cacheKey = levelSlug
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cacheKey += 's' + startDay if startDay?
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cacheKey += 'e' + endDay if endDay?
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return @sendSuccess res, levelCompletions if levelCompletions = @levelCompletionsCache[cacheKey]
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# Build query
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match = {$match: {$and: [{$or: [{"event" : 'Started Level'}, {"event" : 'Saw Victory'}]}]}}
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match["$match"]["$and"].push created: {$gte: new Date(startDay + "T00:00:00.000Z")} if startDay?
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match["$match"]["$and"].push created: {$lt: new Date(endDay + "T00:00:00.000Z")} if endDay?
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project = {"$project": {"_id": 0, "event": 1, "level": {$ifNull: ["$properties.level", "$properties.levelID"]}, "created": {"$concat": [{"$substr": ["$created", 0, 4]}, "-", {"$substr": ["$created", 5, 2]}, "-", {"$substr" : ["$created", 8, 2]}]}}}
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group = {"$group": {"_id": {"event": "$event", "created": "$created", "level": "$level"}, "count": {"$sum": 1}}}
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query = AnalyticsLogEvent.aggregate match, project, group
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query.exec (err, data) =>
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if err? then return @sendDatabaseError res, err
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# Build per-level-day started and finished counts
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levelDateMap = {}
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for item in data
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created = item._id.created
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event = item._id.event
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level = item._id.level
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continue unless level?
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# 'Started Level' event uses level slug, 'Saw Victory' event uses level name with caps and spaces.
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level = level.toLowerCase().replace new RegExp(' ', 'g'), '-' if event is 'Saw Victory'
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levelDateMap[level] ?= {}
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levelDateMap[level][created] ?= {}
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levelDateMap[level][created] ?= {}
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if event is 'Saw Victory'
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levelDateMap[level][created]['finished'] = item.count
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else
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levelDateMap[level][created]['started'] = item.count
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# Build list of level completions
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# Cache every level, since we had to grab all this data anyway
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completions = {}
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for level of levelDateMap
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completions[level] = []
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for created, item of levelDateMap[level]
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completions[level].push
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level: level
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created: created
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started: item.started
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finished: item.finished
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cacheKey = level
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cacheKey += 's' + startDay if startDay?
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cacheKey += 'e' + endDay if endDay?
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@levelCompletionsCache[cacheKey] = completions[level]
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@sendSuccess res, completions[levelSlug]
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getCampaignCompletionsBySlug: (req, res) ->
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# Returns a dictionary of per-campaign level starts, finishes, and drop-offs
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# Drop-off: last started or finished level event
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# Parameters:
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# slugs - array of campaign slugs
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# startDay - Inclusive, optional, e.g. '2014-12-14'
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# endDay - Exclusive, optional, e.g. '2014-12-16'
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# TODO: Must be a better way to organize this series of 3 database calls (campaigns, levels, analytics)
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# TODO: An uncached call can take over 30s locally
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# TODO: Returns all the campaigns
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# TODO: Calculate overall campaign stats
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# TODO: Assumes db campaign levels are in progression order. Should build this based on actual progression.
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campaignSlug = req.query.slug or req.body.slug
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startDay = req.query.startDay or req.body.startDay
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endDay = req.query.endDay or req.body.endDay
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return @sendSuccess res, [] unless campaignSlug?
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# Cache results for 1 day
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@campaignDropOffsCache ?= {}
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@campaignDropOffsCachedSince ?= new Date()
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if (new Date()) - @campaignDropOffsCachedSince > 86400 * 1000 # Dumb cache expiration
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@campaignDropOffsCache = {}
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@campaignDropOffsCachedSince = new Date()
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cacheKey = campaignSlug
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cacheKey += 's' + startDay if startDay?
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cacheKey += 'e' + endDay if endDay?
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return @sendSuccess res, campaignDropOffs if campaignDropOffs = @campaignDropOffsCache[cacheKey]
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getCompletions = (campaigns) =>
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# Calculate campaign drop off rates
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# Input:
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# campaigns - per-campaign dictionary of ordered level slugs
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queryParams = {$and: [{$or: [ {"event" : 'Started Level'}, {"event" : 'Saw Victory'}]}]}
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queryParams["$and"].push created: {$gte: new Date(startDay + "T00:00:00.000Z")} if startDay?
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queryParams["$and"].push created: {$lt: new Date(endDay + "T00:00:00.000Z")} if endDay?
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AnalyticsLogEvent.find(queryParams).select('created event properties user').exec (err, data) =>
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if err? then return @sendDatabaseError res, err
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# Bucketize events by user
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userProgression = {}
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for item in data
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created = item.get('created')
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event = item.get('event')
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if event is 'Saw Victory'
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level = item.get('properties.level').toLowerCase().replace new RegExp(' ', 'g'), '-'
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else
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level = item.get('properties.levelID')
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continue unless level?
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user = item.get('user')
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userProgression[user] ?= []
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userProgression[user].push
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created: created
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event: event
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level: level
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# Order user progression by created
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for user in userProgression
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userProgression[user].sort (a,b) -> if a.created < b.created then return -1 else 1
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# Per-level start/drop/finish/drop
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levelProgression = {}
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for user of userProgression
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for i in [0...userProgression[user].length]
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event = userProgression[user][i].event
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level = userProgression[user][i].level
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levelProgression[level] ?=
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started: 0
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startDropped: 0
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finished: 0
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finishDropped: 0
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if event is 'Started Level'
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levelProgression[level].started++
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levelProgression[level].startDropped++ if i is userProgression[user].length - 1
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else if event is 'Saw Victory'
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levelProgression[level].finished++
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levelProgression[level].finishDropped++ if i is userProgression[user].length - 1
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# Put in campaign order
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completions = {}
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for level of levelProgression
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for campaign of campaigns
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if level in campaigns[campaign]
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started = levelProgression[level].started
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startDropped = levelProgression[level].startDropped
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finished = levelProgression[level].finished
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finishDropped = levelProgression[level].finishDropped
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completions[campaign] ?=
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levels: []
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# overall:
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# started: 0,
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# startDropped: 0,
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# finished: 0,
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# finishDropped: 0
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completions[campaign].levels.push
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level: level
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started: started
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startDropped: startDropped
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finished: finished
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finishDropped: finishDropped
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break
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# Sort level data by campaign order
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for campaign of completions
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completions[campaign].levels.sort (a, b) ->
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if campaigns[campaign].indexOf(a.level) < campaigns[campaign].indexOf(b.level) then return -1 else 1
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# Return all campaign data for simplicity
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# Cache other individual campaigns too, since we have them
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@campaignDropOffsCache[cacheKey] = completions
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for campaign of completions
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cacheKey = campaign
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cacheKey += 's' + startDay if startDay?
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cacheKey += 'e' + endDay if endDay?
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@campaignDropOffsCache[cacheKey] = completions
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@sendSuccess res, completions
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getLevelData = (campaigns, campaignLevelIDs) =>
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# Get level data and replace levelIDs with level slugs in campaigns
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# Input:
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# campaigns - per-campaign dictionary of ordered levelIDs
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# campaignLevelIDs - dictionary of all campaign levelIDs
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# Output:
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# campaigns - per-campaign dictionary of ordered level slugs
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Level.find({original: {$in: campaignLevelIDs}, "version.isLatestMajor": true, "version.isLatestMinor": true}).exec (err, documents) =>
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if err? then return @sendDatabaseError res, err
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levelSlugMap = {}
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for doc in documents
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levelID = doc.get('original')
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levelSlug = doc.get('name').toLowerCase().replace new RegExp(' ', 'g'), '-'
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levelSlugMap[levelID] = levelSlug
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# Replace levelIDs with level slugs
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for campaign of campaigns
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mapFn = (item) -> levelSlugMap[item]
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campaigns[campaign] = _.map campaigns[campaign], mapFn, @
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getCompletions campaigns
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getCampaignData = () =>
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# Get campaign data
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# Output:
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# campaigns - per-campaign dictionary of ordered levelIDs
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# campaignLevelIDs - dictionary of all campaign levelIDs
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Campaign.find().exec (err, documents) =>
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if err? then return @sendDatabaseError res, err
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campaigns = {}
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levelCampaignMap = {}
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campaignLevelIDs = []
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for doc in documents
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campaignSlug = doc.get('slug')
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levels = doc.get('levels')
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campaigns[campaignSlug] = []
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levelCampaignMap[campaignSlug] = {}
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for levelID of levels
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campaigns[campaignSlug].push levelID
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campaignLevelIDs.push levelID
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levelCampaignMap[levelID] = campaignSlug
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getLevelData campaigns, campaignLevelIDs
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getCampaignData()
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module.exports = new AnalyticsLogEventHandler()
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