mirror of
https://github.com/codeninjasllc/codecombat.git
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256 lines
12 KiB
CoffeeScript
256 lines
12 KiB
CoffeeScript
log = require 'winston'
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async = require 'async'
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bayes = new (require 'bayesian-battle')()
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LevelSession = require '../../levels/sessions/LevelSession'
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User = require '../../users/User'
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perfmon = require '../../commons/perfmon'
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SIMULATOR_VERSION = 3
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module.exports.scoringTaskTimeoutInSeconds = 600
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module.exports.scoringTaskQueue = null
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module.exports.simulatorIsTooOld = (req, res) ->
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clientSimulator = req.body.simulator
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return false if clientSimulator?.version >= SIMULATOR_VERSION
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message = "Old simulator version #{clientSimulator?.version}, need to clear cache and get version #{SIMULATOR_VERSION}."
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log.debug "400: #{message}"
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res.send 400, message
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res.end()
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true
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module.exports.sendResponseObject = (res, object) ->
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res.setHeader('Content-Type', 'application/json')
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res.send(object)
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res.end()
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module.exports.formatSessionInformation = (session) ->
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sessionID: session._id
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team: session.team ? 'No team'
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transpiledCode: session.transpiledCode
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submittedCodeLanguage: session.submittedCodeLanguage
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teamSpells: session.teamSpells ? {}
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levelID: session.levelID
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creatorName: session.creatorName
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creator: session.creator
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totalScore: session.totalScore
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submitDate: session.submitDate
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shouldUpdateLastOpponentSubmitDateForLeague: session.shouldUpdateLastOpponentSubmitDateForLeague
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module.exports.calculateSessionScores = (callback) ->
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sessionIDs = _.map @clientResponseObject.sessions, 'sessionID'
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async.map sessionIDs, retrieveOldSessionData.bind(@), (err, oldScores) =>
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if err? then return callback err, {error: 'There was an error retrieving the old scores'}
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try
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oldScoreArray = _.toArray putRankingFromMetricsIntoScoreObject @clientResponseObject, oldScores
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newScoreArray = updatePlayerSkills oldScoreArray
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createSessionScoreUpdate.call @, scoreObject for scoreObject in newScoreArray
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callback err, newScoreArray
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catch e
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callback e
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retrieveOldSessionData = (sessionID, callback) ->
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formatOldScoreObject = (session) =>
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oldScoreObject =
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standardDeviation: session.standardDeviation ? 25/3
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meanStrength: session.meanStrength ? 25
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totalScore: session.totalScore ? (25 - 1.8*(25/3))
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id: sessionID
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submittedCodeLanguage: session.submittedCodeLanguage
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ladderAchievementDifficulty: session.ladderAchievementDifficulty
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submitDate: session.submitDate
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if session.leagues?.length
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_.find(@clientResponseObject.sessions, sessionID: sessionID).leagues = session.leagues
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oldScoreObject.leagues = []
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for league in session.leagues
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oldScoreObject.leagues.push
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leagueID: league.leagueID
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stats:
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id: sessionID
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standardDeviation: league.stats.standardDeviation ? 25/3
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meanStrength: league.stats.meanStrength ? 25
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totalScore: league.stats.totalScore ? (25 - 1.8*(25/3))
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oldScoreObject
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return formatOldScoreObject @levelSession if sessionID is @levelSession?._id # No need to fetch again
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query = _id: sessionID
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selection = 'standardDeviation meanStrength totalScore submittedCodeLanguage leagues ladderAchievementDifficulty submitDate'
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LevelSession.findOne(query).select(selection).lean().exec (err, session) ->
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return callback err, {'error': 'There was an error retrieving the session.'} if err?
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callback err, formatOldScoreObject session
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putRankingFromMetricsIntoScoreObject = (taskObject, scoreObject) ->
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scoreObject = _.indexBy scoreObject, 'id'
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sharedLeagueIDs = (league.leagueID for league in (taskObject.sessions[0].leagues ? []) when _.find(taskObject.sessions[1].leagues, leagueID: league.leagueID))
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for session in taskObject.sessions
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scoreObject[session.sessionID].gameRanking = session.metrics.rank
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for league in (session.leagues ? []) when league.leagueID in sharedLeagueIDs
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# We will also score any shared leagues, and we indicate that by assigning a non-null gameRanking to them.
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_.find(scoreObject[session.sessionID].leagues, leagueID: league.leagueID).stats.gameRanking = session.metrics.rank
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return scoreObject
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updatePlayerSkills = (oldScoreArray) ->
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newScoreArray = bayes.updatePlayerSkills oldScoreArray
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scoreObjectA = newScoreArray[0]
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scoreObjectB = newScoreArray[1]
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for leagueA in (scoreObjectA.leagues ? []) when leagueA.stats.gameRanking?
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leagueB = _.find scoreObjectB.leagues, leagueID: leagueA.leagueID
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[leagueA.stats, leagueB.stats] = bayes.updatePlayerSkills [leagueA.stats, leagueB.stats]
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leagueA.stats.updated = leagueB.stats.updated = true
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newScoreArray
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createSessionScoreUpdate = (scoreObject) ->
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newTotalScore = scoreObject.meanStrength - 1.8 * scoreObject.standardDeviation
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scoreHistoryAddition = [Date.now(), newTotalScore]
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@levelSessionUpdates ?= {}
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@levelSessionUpdates[scoreObject.id] =
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meanStrength: scoreObject.meanStrength
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standardDeviation: scoreObject.standardDeviation
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totalScore: newTotalScore
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$push: {scoreHistory: {$each: [scoreHistoryAddition], $slice: -1000}}
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randomSimulationIndex: Math.random()
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for league, leagueIndex in (scoreObject.leagues ? [])
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continue unless league.stats.updated
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newTotalScore = league.stats.meanStrength - 1.8 * league.stats.standardDeviation
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scoreHistoryAddition = [scoreHistoryAddition[0], newTotalScore]
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leagueSetPrefix = "leagues.#{leagueIndex}.stats."
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sessionUpdateObject = @levelSessionUpdates[scoreObject.id]
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sessionUpdateObject.$set ?= {}
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sessionUpdateObject.$push ?= {}
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sessionUpdateObject.$set[leagueSetPrefix + 'meanStrength'] = league.stats.meanStrength
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sessionUpdateObject.$set[leagueSetPrefix + 'standardDeviation'] = league.stats.standardDeviation
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sessionUpdateObject.$set[leagueSetPrefix + 'totalScore'] = newTotalScore
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sessionUpdateObject.$push[leagueSetPrefix + 'scoreHistory'] = {$each: [scoreHistoryAddition], $slice: -1000}
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module.exports.indexNewScoreArray = (newScoreArray, callback) ->
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newScoresObject = _.indexBy newScoreArray, 'id'
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@newScoresObject = newScoresObject
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callback null, newScoresObject
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module.exports.addMatchToSessionsAndUpdate = (newScoreObject, callback) ->
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matchObject = {}
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matchObject.date = new Date()
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matchObject.opponents = {}
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for session in @clientResponseObject.sessions
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sessionID = session.sessionID
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matchObject.opponents[sessionID] = match = {}
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match.sessionID = sessionID
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match.userID = session.creator
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match.name = session.name
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match.totalScore = session.totalScore
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match.metrics = {}
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match.metrics.rank = Number(newScoreObject[sessionID]?.gameRanking ? 0)
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match.codeLanguage = newScoreObject[sessionID].submittedCodeLanguage
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#log.info "Match object computed, result: #{JSON.stringify(matchObject, null, 2)}"
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#log.info 'Writing match object to database...'
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#use bind with async to do the writes
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sessionIDs = _.map @clientResponseObject.sessions, 'sessionID'
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async.each sessionIDs, updateMatchesInSession.bind(@, matchObject), (err) ->
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callback err
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ladderBenchmarkAIs =
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'564ba6cea33967be1312ae59': 0
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'564ba830a33967be1312ae61': 1
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'564ba91aa33967be1312ae65': 2
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'564ba95ca33967be1312ae69': 3
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'564ba9b7a33967be1312ae6d': 4
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updateMatchesInSession = (matchObject, sessionID, callback) ->
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currentMatchObject = {}
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currentMatchObject.date = matchObject.date
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currentMatchObject.metrics = matchObject.opponents[sessionID].metrics
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opponentsClone = _.cloneDeep matchObject.opponents
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opponentsClone = _.omit opponentsClone, sessionID
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opponentsArray = _.toArray opponentsClone
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currentMatchObject.opponents = opponentsArray
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currentMatchObject.codeLanguage = matchObject.opponents[opponentsArray[0].sessionID].codeLanguage # TODO: we have our opponent code language in twice, do we maybe want our own code language instead?
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#currentMatchObject.simulator = @clientResponseObject.simulator # Uncomment when actively debugging simulation mismatches
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#currentMatchObject.randomSeed = parseInt(@clientResponseObject.randomSeed or 0, 10) # Uncomment when actively debugging simulation mismatches
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sessionUpdateObject = @levelSessionUpdates[sessionID]
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sessionUpdateObject.$push.matches = {$each: [currentMatchObject], $slice: -200}
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if currentMatchObject.metrics.rank is 0 and defeatedAI = ladderBenchmarkAIs[currentMatchObject.opponents[0].userID]
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mySession = _.find @clientResponseObject.sessions, sessionID: sessionID
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newLadderAchievementDifficulty = Math.max defeatedAI, mySession.ladderAchievementDifficulty || 0
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if newLadderAchievementDifficulty isnt mySession.ladderAchievementDifficulty
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sessionUpdateObject.ladderAchievementDifficulty = newLadderAchievementDifficulty
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myScoreObject = @newScoresObject[sessionID]
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opponentSession = _.find @clientResponseObject.sessions, (session) -> session.sessionID isnt sessionID
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for league, leagueIndex in myScoreObject.leagues ? []
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continue unless league.stats.updated
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opponentLeagueTotalScore = _.find(opponentSession.leagues, leagueID: league.leagueID).stats.totalScore ? (25 - 1.8*(25/3))
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leagueMatch = _.cloneDeep currentMatchObject
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leagueMatch.opponents[0].totalScore = opponentLeagueTotalScore
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sessionUpdateObject.$push["leagues.#{leagueIndex}.stats.matches"] = {$each: [leagueMatch], $slice: -200}
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if _.find(@clientResponseObject.sessions, sessionID: sessionID).shouldUpdateLastOpponentSubmitDateForLeague is league.leagueID
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sessionUpdateObject.$set["leagues.#{leagueIndex}.lastOpponentSubmitDate"] = new Date(opponentSession.submitDate) # TODO: somewhere, if these are already the same, don't record the match, since we likely just recorded the same match?
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#log.info "Update for #{sessionID} is #{JSON.stringify(sessionUpdateObject, null, 2)}"
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LevelSession.update {_id: sessionID}, sessionUpdateObject, callback
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module.exports.updateUserSimulationCounts = (reqUserID, callback) ->
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incrementUserSimulationCount reqUserID, 'simulatedBy', (err) =>
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if err? then return callback err
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#console.log 'Incremented user simulation count!'
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perfmon.client.increment 'simulations'
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unless @isRandomMatch
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incrementUserSimulationCount @levelSession.creator, 'simulatedFor', callback
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else
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callback null
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incrementUserSimulationCount = (userID, type, callback) =>
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return callback null unless userID
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inc = {}
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inc[type] = 1
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User.update {_id: userID}, {$inc: inc}, (err, result) ->
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log.error "Error incrementing #{type} for #{userID}: #{err}" if err
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callback err
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module.exports.calculateOpposingTeam = (sessionTeam) ->
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teams = ['ogres', 'humans']
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opposingTeams = _.pull teams, sessionTeam
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return opposingTeams[0]
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module.exports.sendEachTaskPairToTheQueue = (taskPairs, callback) ->
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async.each taskPairs, sendTaskPairToQueue, callback
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sendTaskPairToQueue = (taskPair, callback) ->
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module.exports.scoringTaskQueue.sendMessage {sessions: taskPair}, 5, (err, data) -> callback? err, data
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module.exports.generateTaskPairs = (submittedSessions, sessionToScore) ->
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taskPairs = []
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for session in submittedSessions
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if session.toObject?
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session = session.toObject()
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teams = ['ogres', 'humans']
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opposingTeams = _.pull teams, sessionToScore.team
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if String(session._id) isnt String(sessionToScore._id) and session.team in opposingTeams
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#console.log 'Adding game to taskPairs!'
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taskPairs.push [sessionToScore._id, String session._id]
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return taskPairs
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module.exports.addPairwiseTaskToQueue = (taskPair, cb) ->
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LevelSession.findOne(_id: taskPair[0]).lean().exec (err, firstSession) =>
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if err? then return cb err
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LevelSession.find(_id: taskPair[1]).exec (err, secondSession) =>
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if err? then return cb err
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try
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taskPairs = module.exports.generateTaskPairs(secondSession, firstSession)
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catch e
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if e then return cb e
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module.exports.sendEachTaskPairToTheQueue taskPairs, (taskPairError) ->
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if taskPairError? then return cb taskPairError
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cb null
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