mirror of
https://github.com/codeninjasllc/codecombat.git
synced 2024-11-28 01:55:38 -05:00
627 lines
22 KiB
CoffeeScript
627 lines
22 KiB
CoffeeScript
config = require '../../server_config'
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log = require 'winston'
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mongoose = require 'mongoose'
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async = require 'async'
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errors = require '../commons/errors'
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aws = require 'aws-sdk'
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db = require './../routes/db'
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mongoose = require 'mongoose'
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queues = require '../commons/queue'
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LevelSession = require '../levels/sessions/LevelSession'
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Level = require '../levels/Level'
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User = require '../users/User'
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TaskLog = require './task/ScoringTask'
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bayes = new (require 'bayesian-battle')()
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scoringTaskQueue = undefined
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scoringTaskTimeoutInSeconds = 240
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module.exports.setup = (app) -> connectToScoringQueue()
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connectToScoringQueue = ->
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queues.initializeQueueClient ->
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queues.queueClient.registerQueue "scoring", {}, (error,data) ->
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if error? then throw new Error "There was an error registering the scoring queue: #{error}"
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scoringTaskQueue = data
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log.info "Connected to scoring task queue!"
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module.exports.messagesInQueueCount = (req, res) ->
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scoringTaskQueue.totalMessagesInQueue (err, count) ->
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if err? then return errors.serverError res, "There was an issue finding the Mongoose count:#{err}"
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response = String(count)
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res.send(response)
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res.end()
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module.exports.addPairwiseTaskToQueueFromRequest = (req, res) ->
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taskPair = req.body.sessions
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addPairwiseTaskToQueue req.body.sessions, (err, success) ->
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if err? then return errors.serverError res, "There was an error adding pairwise tasks: #{err}"
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sendResponseObject req, res, {"message":"All task pairs were succesfully sent to the queue"}
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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 = generateTaskPairs(secondSession, firstSession)
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catch e
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if e then return cb e
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sendEachTaskPairToTheQueue taskPairs, (taskPairError) ->
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if taskPairError? then return cb taskPairError
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cb null
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module.exports.resimulateAllSessions = (req, res) ->
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unless isUserAdmin req then return errors.unauthorized res, "Unauthorized. Even if you are authorized, you shouldn't do this"
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originalLevelID = req.body.originalLevelID
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levelMajorVersion = parseInt(req.body.levelMajorVersion)
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findParameters =
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submitted: true
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level:
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original: originalLevelID
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majorVersion: levelMajorVersion
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query = LevelSession
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.find(findParameters)
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.lean()
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query.exec (err, result) ->
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if err? then return errors.serverError res, err
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result = _.sample result, 10
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async.each result, resimulateSession.bind(@,originalLevelID,levelMajorVersion), (err) ->
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if err? then return errors.serverError res, err
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sendResponseObject req, res, {"message":"All task pairs were succesfully sent to the queue"}
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resimulateSession = (originalLevelID, levelMajorVersion, session, cb) =>
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sessionUpdateObject =
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submitted: true
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submitDate: new Date()
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meanStrength: 25
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standardDeviation: 25/3
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totalScore: 10
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numberOfWinsAndTies: 0
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numberOfLosses: 0
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isRanking: true
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LevelSession.update {_id: session._id}, sessionUpdateObject, (err, updatedSession) ->
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if err? then return cb err, null
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opposingTeam = calculateOpposingTeam(session.team)
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fetchInitialSessionsToRankAgainst levelMajorVersion, originalLevelID, opposingTeam, (err, sessionsToRankAgainst) ->
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if err? then return cb err, null
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taskPairs = generateTaskPairs(sessionsToRankAgainst, session)
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sendEachTaskPairToTheQueue taskPairs, (taskPairError) ->
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if taskPairError? then return cb taskPairError, null
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cb null
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module.exports.createNewTask = (req, res) ->
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requestSessionID = req.body.session
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originalLevelID = req.body.originalLevelID
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currentLevelID = req.body.levelID
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requestLevelMajorVersion = parseInt(req.body.levelMajorVersion)
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async.waterfall [
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validatePermissions.bind(@,req,requestSessionID)
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fetchAndVerifyLevelType.bind(@,currentLevelID)
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fetchSessionObjectToSubmit.bind(@, requestSessionID)
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updateSessionToSubmit
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fetchInitialSessionsToRankAgainst.bind(@, requestLevelMajorVersion, originalLevelID)
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generateAndSendTaskPairsToTheQueue
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], (err, successMessageObject) ->
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if err? then return errors.serverError res, "There was an error submitting the game to the queue:#{err}"
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sendResponseObject req, res, successMessageObject
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validatePermissions = (req,sessionID, callback) ->
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if isUserAnonymous req then return callback "You are unauthorized to submit that game to the simulator"
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if isUserAdmin req then return callback null
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findParameters =
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_id: sessionID
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selectString = 'creator submittedCode code'
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query = LevelSession
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.findOne(findParameters)
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.select(selectString)
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.lean()
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query.exec (err, retrievedSession) ->
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if err? then return callback err
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userHasPermissionToSubmitCode = retrievedSession.creator is req.user?.id and
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not _.isEqual(retrievedSession.code, retrievedSession.submittedCode)
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unless userHasPermissionToSubmitCode then return callback "You are unauthorized to submit that game to the simulator"
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callback null
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fetchAndVerifyLevelType = (levelID, cb) ->
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findParameters =
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_id: levelID
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selectString = 'type'
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query = Level
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.findOne(findParameters)
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.select(selectString)
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.lean()
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query.exec (err, levelWithType) ->
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if err? then return cb err
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if not levelWithType.type or levelWithType.type isnt "ladder" then return cb "Level isn't of type 'ladder'"
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cb null
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fetchSessionObjectToSubmit = (sessionID, callback) ->
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findParameters =
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_id: sessionID
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selectString = 'team code'
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query = LevelSession
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.findOne(findParameters)
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.select(selectString)
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query.exec (err, session) ->
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callback err, session?.toObject()
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updateSessionToSubmit = (sessionToUpdate, callback) ->
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sessionUpdateObject =
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submitted: true
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submittedCode: sessionToUpdate.code
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submitDate: new Date()
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meanStrength: 25
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standardDeviation: 25/3
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totalScore: 10
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numberOfWinsAndTies: 0
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numberOfLosses: 0
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isRanking: true
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LevelSession.update {_id: sessionToUpdate._id}, sessionUpdateObject, (err, result) ->
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callback err, sessionToUpdate
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fetchInitialSessionsToRankAgainst = (levelMajorVersion, levelID, submittedSession, callback) ->
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opposingTeam = calculateOpposingTeam(submittedSession.team)
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findParameters =
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"level.original": levelID
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"level.majorVersion": levelMajorVersion
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submitted: true
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submittedCode:
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$exists: true
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team: opposingTeam
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sortParameters =
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totalScore: 1
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limitNumber = 1
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query = LevelSession.aggregate [
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{$match: findParameters}
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{$sort: sortParameters}
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{$limit: limitNumber}
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]
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query.exec (err, sessionToRankAgainst) ->
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callback err, sessionToRankAgainst, submittedSession
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generateAndSendTaskPairsToTheQueue = (sessionToRankAgainst,submittedSession, callback) ->
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taskPairs = generateTaskPairs(sessionToRankAgainst, submittedSession)
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sendEachTaskPairToTheQueue taskPairs, (taskPairError) ->
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if taskPairError? then return callback taskPairError
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console.log "Sent task pairs to the queue!"
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console.log taskPairs
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callback null, {"message": "All task pairs were succesfully sent to the queue"}
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module.exports.dispatchTaskToConsumer = (req, res) ->
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async.waterfall [
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checkSimulationPermissions.bind(@,req)
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receiveMessageFromSimulationQueue
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changeMessageVisibilityTimeout
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parseTaskQueueMessage
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constructTaskObject
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constructTaskLogObject.bind(@, getUserIDFromRequest(req))
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processTaskObject
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], (err, taskObjectToSend) ->
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if err?
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if typeof err is "string" and err.indexOf "No more games in the queue" isnt -1
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res.send(204, "No games to score.")
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return res.end()
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else
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return errors.serverError res, "There was an error dispatching the task: #{err}"
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sendResponseObject req, res, taskObjectToSend
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checkSimulationPermissions = (req, cb) ->
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if isUserAnonymous req
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cb "You need to be logged in to simulate games"
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else
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cb null
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receiveMessageFromSimulationQueue = (cb) ->
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scoringTaskQueue.receiveMessage (err, message) ->
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if err? then return cb "No more games in the queue, error:#{err}"
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if messageIsInvalid(message) then return cb "Message received from queue is invalid"
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cb null, message
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changeMessageVisibilityTimeout = (message, cb) ->
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message.changeMessageVisibilityTimeout scoringTaskTimeoutInSeconds, (err) -> cb err, message
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parseTaskQueueMessage = (message,cb) ->
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try
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if typeof message.getBody() is "object"
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messageBody = message.getBody()
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else
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messageBody = JSON.parse message.getBody()
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cb null, messageBody, message
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catch e
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cb "There was an error parsing the task.Error: #{e}"
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constructTaskObject = (taskMessageBody, message, callback) ->
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async.map taskMessageBody.sessions, getSessionInformation, (err, sessions) ->
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if err? then return callback err
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taskObject =
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"messageGenerated": Date.now()
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"sessions": []
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for session in sessions
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sessionInformation =
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"sessionID": session._id
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"submitDate": session.submitDate
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"team": session.team ? "No team"
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"code": session.submittedCode
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"teamSpells": session.teamSpells ? {}
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"levelID": session.levelID
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"creator": session.creator
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"creatorName":session.creatorName
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taskObject.sessions.push sessionInformation
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callback null, taskObject, message
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constructTaskLogObject = (calculatorUserID, taskObject, message, callback) ->
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taskLogObject = new TaskLog
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"createdAt": new Date()
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"calculator":calculatorUserID
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"sentDate": Date.now()
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"messageIdentifierString":message.getReceiptHandle()
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taskLogObject.save (err) -> callback err, taskObject, taskLogObject, message
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processTaskObject = (taskObject,taskLogObject, message, cb) ->
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taskObject.taskID = taskLogObject._id
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taskObject.receiptHandle = message.getReceiptHandle()
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cb null, taskObject
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getSessionInformation = (sessionIDString, callback) ->
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findParameters =
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_id: sessionIDString
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selectString = 'submitDate team submittedCode teamSpells levelID creator creatorName'
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query = LevelSession
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.findOne(findParameters)
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.select(selectString)
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.lean()
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query.exec (err, session) ->
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if err? then return callback err, {"error":"There was an error retrieving the session."}
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callback null, session
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module.exports.processTaskResult = (req, res) ->
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async.waterfall [
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verifyClientResponse.bind(@,req.body)
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fetchTaskLog.bind(@)
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checkTaskLog.bind(@)
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deleteQueueMessage.bind(@)
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fetchLevelSession.bind(@)
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checkSubmissionDate.bind(@)
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logTaskComputation.bind(@)
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updateSessions.bind(@)
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indexNewScoreArray.bind(@)
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addMatchToSessions.bind(@)
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updateUserSimulationCounts.bind(@, req.user._id)
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determineIfSessionShouldContinueAndUpdateLog.bind(@)
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findNearestBetterSessionID.bind(@)
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addNewSessionsToQueue.bind(@)
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], (err, results) ->
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if err is "shouldn't continue"
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sendResponseObject req, res, {"message":"The scores were updated successfully, person lost so no more games are being inserted!"}
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else if err is "no session was found"
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sendResponseObject req, res, {"message":"There were no more games to rank (game is at top)!"}
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else if err?
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errors.serverError res, "There was an error:#{err}"
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else
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sendResponseObject req, res, {"message":"The scores were updated successfully and more games were sent to the queue!"}
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verifyClientResponse = (responseObject, callback) ->
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#TODO: better verification
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unless typeof responseObject is "object"
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callback "The response to that query is required to be a JSON object."
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else
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@clientResponseObject = responseObject
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log.info "Verified client response!"
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callback null, responseObject
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fetchTaskLog = (responseObject, callback) ->
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findParameters =
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_id: responseObject.taskID
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query = TaskLog
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.findOne(findParameters)
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query.exec (err, taskLog) =>
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@taskLog = taskLog
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log.info "Fetched task log!"
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callback err, taskLog.toObject()
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checkTaskLog = (taskLog, callback) ->
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if taskLog.calculationTimeMS then return callback "That computational task has already been performed"
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if hasTaskTimedOut taskLog.sentDate then return callback "The task has timed out"
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log.info "Checked task log"
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callback null
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deleteQueueMessage = (callback) ->
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scoringTaskQueue.deleteMessage @clientResponseObject.receiptHandle, (err) ->
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log.info "Deleted queue message"
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callback err
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fetchLevelSession = (callback) ->
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findParameters =
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_id: @clientResponseObject.originalSessionID
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query = LevelSession
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.findOne(findParameters)
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.lean()
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query.exec (err, session) =>
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@levelSession = session
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log.info "Fetched level session"
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callback err
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checkSubmissionDate = (callback) ->
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supposedSubmissionDate = new Date(@clientResponseObject.sessions[0].submitDate)
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if Number(supposedSubmissionDate) isnt Number(@levelSession.submitDate)
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callback "The game has been resubmitted. Removing from queue..."
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else
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log.info "Checked submission date"
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callback null
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logTaskComputation = (callback) ->
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@taskLog.set('calculationTimeMS',@clientResponseObject.calculationTimeMS)
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@taskLog.set('sessions')
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@taskLog.calculationTimeMS = @clientResponseObject.calculationTimeMS
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@taskLog.sessions = @clientResponseObject.sessions
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@taskLog.save (err, saved) ->
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log.info "Logged task computation"
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callback err
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updateSessions = (callback) ->
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sessionIDs = _.pluck @clientResponseObject.sessions, 'sessionID'
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async.map sessionIDs, retrieveOldSessionData, (err, oldScores) =>
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if err? then callback err, {"error": "There was an error retrieving the old scores"}
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oldScoreArray = _.toArray putRankingFromMetricsIntoScoreObject @clientResponseObject, oldScores
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newScoreArray = bayes.updatePlayerSkills oldScoreArray
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saveNewScoresToDatabase newScoreArray, callback
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saveNewScoresToDatabase = (newScoreArray, callback) ->
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async.eachSeries newScoreArray, updateScoreInSession, (err) ->
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log.info "Saved new scores to database"
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callback err,newScoreArray
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updateScoreInSession = (scoreObject,callback) ->
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LevelSession.findOne {"_id": scoreObject.id}, (err, session) ->
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if err? then return callback err, null
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session = session.toObject()
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newTotalScore = scoreObject.meanStrength - 1.8 * scoreObject.standardDeviation
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scoreHistoryAddition = [Date.now(), newTotalScore]
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updateObject =
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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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LevelSession.update {"_id": scoreObject.id}, updateObject, callback
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log.info "New total score for session #{scoreObject.id} is #{updateObject.totalScore}"
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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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addMatchToSessions = (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] = {}
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matchObject.opponents[sessionID].sessionID = sessionID
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matchObject.opponents[sessionID].userID = session.creator
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matchObject.opponents[sessionID].metrics = {}
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matchObject.opponents[sessionID].metrics.rank = Number(newScoreObject[sessionID].gameRanking)
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log.info "Match object computed, result: #{matchObject}"
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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 = _.pluck @clientResponseObject.sessions, 'sessionID'
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async.each sessionIDs, updateMatchesInSession.bind(@,matchObject), (err) -> callback err
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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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sessionUpdateObject =
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$push: {matches: {$each: [currentMatchObject], $slice: -200}}
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log.info "Updating session #{sessionID}"
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LevelSession.update {"_id":sessionID}, sessionUpdateObject, callback
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updateUserSimulationCounts = (reqUserID,callback) ->
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incrementUserSimulationCount reqUserID, 'simulatedBy', (err) =>
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if err? then return callback err
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incrementUserSimulationCount @levelSession.creator, 'simulatedFor', callback
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incrementUserSimulationCount = (userID, type, callback) =>
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inc = {}
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inc[type] = 1
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User.update {_id: userID}, {$inc: inc}, (err, affected) ->
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log.error "Error incrementing #{type} for #{userID}: #{err}" if err
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callback err
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determineIfSessionShouldContinueAndUpdateLog = (cb) ->
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sessionID = @clientResponseObject.originalSessionID
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sessionRank = parseInt @clientResponseObject.originalSessionRank
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queryParameters =
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_id: sessionID
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updateParameters =
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"$inc": {}
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if sessionRank is 0
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updateParameters["$inc"] = {numberOfWinsAndTies: 1}
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else
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updateParameters["$inc"] = {numberOfLosses: 1}
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LevelSession.findOneAndUpdate queryParameters, updateParameters,{select: 'numberOfWinsAndTies numberOfLosses'}, (err, updatedSession) ->
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if err? then return cb err, updatedSession
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updatedSession = updatedSession.toObject()
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totalNumberOfGamesPlayed = updatedSession.numberOfWinsAndTies + updatedSession.numberOfLosses
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if totalNumberOfGamesPlayed < 10
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console.log "Number of games played is less than 10, continuing..."
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cb null
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else
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ratio = (updatedSession.numberOfLosses) / (totalNumberOfGamesPlayed)
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if ratio > 0.33
|
|
cb "shouldn't continue"
|
|
console.log "Ratio(#{ratio}) is bad, ending simulation"
|
|
else
|
|
console.log "Ratio(#{ratio}) is good, so continuing simulations"
|
|
cb null
|
|
|
|
|
|
findNearestBetterSessionID = (cb) ->
|
|
levelOriginalID = @levelSession.level.original
|
|
levelMajorVersion = @levelSession.level.majorVersion
|
|
sessionID = @clientResponseObject.originalSessionID
|
|
sessionTotalScore = @newScoresObject[sessionID].totalScore
|
|
opponentSessionID = _.pull(_.keys(@newScoresObject), sessionID)
|
|
opponentSessionTotalScore = @newScoresObject[opponentSessionID].totalScore
|
|
opposingTeam = calculateOpposingTeam(@clientResponseObject.originalSessionTeam)
|
|
|
|
retrieveAllOpponentSessionIDs sessionID, (err, opponentSessionIDs) ->
|
|
if err? then return cb err, null
|
|
|
|
queryParameters =
|
|
totalScore:
|
|
$gt: opponentSessionTotalScore
|
|
_id:
|
|
$nin: opponentSessionIDs
|
|
"level.original": levelOriginalID
|
|
"level.majorVersion": levelMajorVersion
|
|
submitted: true
|
|
submittedCode:
|
|
$exists: true
|
|
team: opposingTeam
|
|
|
|
if opponentSessionTotalScore < 30
|
|
# Don't play a ton of matches at low scores--skip some in proportion to how close to 30 we are.
|
|
# TODO: this could be made a lot more flexible.
|
|
queryParameters["totalScore"]["$gt"] = opponentSessionTotalScore + 2 * (30 - opponentSessionTotalScore) / 20
|
|
|
|
limitNumber = 1
|
|
|
|
sortParameters =
|
|
totalScore: 1
|
|
|
|
selectString = '_id totalScore'
|
|
|
|
query = LevelSession.findOne(queryParameters)
|
|
.sort(sortParameters)
|
|
.limit(limitNumber)
|
|
.select(selectString)
|
|
.lean()
|
|
|
|
console.log "Finding session with score near #{opponentSessionTotalScore}"
|
|
query.exec (err, session) ->
|
|
if err? then return cb err, session
|
|
unless session then return cb "no session was found"
|
|
console.log "Found session with score #{session.totalScore}"
|
|
cb err, session._id
|
|
|
|
|
|
retrieveAllOpponentSessionIDs = (sessionID, cb) ->
|
|
query = LevelSession.findOne({"_id":sessionID})
|
|
.select('matches.opponents.sessionID matches.date submitDate')
|
|
.lean()
|
|
query.exec (err, session) ->
|
|
if err? then return cb err, null
|
|
opponentSessionIDs = (match.opponents[0].sessionID for match in session.matches when match.date > session.submitDate)
|
|
cb err, opponentSessionIDs
|
|
|
|
|
|
calculateOpposingTeam = (sessionTeam) ->
|
|
teams = ['ogres','humans']
|
|
opposingTeams = _.pull teams, sessionTeam
|
|
return opposingTeams[0]
|
|
|
|
|
|
addNewSessionsToQueue = (sessionID, callback) ->
|
|
sessions = [@clientResponseObject.originalSessionID, sessionID]
|
|
addPairwiseTaskToQueue sessions, callback
|
|
|
|
messageIsInvalid = (message) -> (not message?) or message.isEmpty()
|
|
|
|
sendEachTaskPairToTheQueue = (taskPairs, callback) -> async.each taskPairs, sendTaskPairToQueue, callback
|
|
|
|
generateTaskPairs = (submittedSessions, sessionToScore) ->
|
|
taskPairs = []
|
|
for session in submittedSessions
|
|
if session.toObject?
|
|
session = session.toObject()
|
|
teams = ['ogres','humans']
|
|
opposingTeams = _.pull teams, sessionToScore.team
|
|
if String(session._id) isnt String(sessionToScore._id) and session.team in opposingTeams
|
|
console.log "Adding game to taskPairs!"
|
|
taskPairs.push [sessionToScore._id,String session._id]
|
|
return taskPairs
|
|
|
|
sendTaskPairToQueue = (taskPair, callback) ->
|
|
scoringTaskQueue.sendMessage {sessions: taskPair}, 5, (err,data) -> callback? err,data
|
|
|
|
getUserIDFromRequest = (req) -> if req.user? then return req.user._id else return null
|
|
|
|
isUserAnonymous = (req) -> if req.user? then return req.user.get('anonymous') else return true
|
|
|
|
isUserAdmin = (req) -> return Boolean(req.user?.isAdmin())
|
|
|
|
sendResponseObject = (req,res,object) ->
|
|
res.setHeader('Content-Type', 'application/json')
|
|
res.send(object)
|
|
res.end()
|
|
|
|
hasTaskTimedOut = (taskSentTimestamp) -> taskSentTimestamp + scoringTaskTimeoutInSeconds * 1000 < Date.now()
|
|
|
|
handleTimedOutTask = (req, res, taskBody) -> errors.clientTimeout res, "The results weren't provided within the timeout"
|
|
|
|
putRankingFromMetricsIntoScoreObject = (taskObject,scoreObject) ->
|
|
scoreObject = _.indexBy scoreObject, 'id'
|
|
scoreObject[session.sessionID].gameRanking = session.metrics.rank for session in taskObject.sessions
|
|
return scoreObject
|
|
|
|
retrieveOldSessionData = (sessionID, callback) ->
|
|
LevelSession.findOne {"_id":sessionID}, (err, session) ->
|
|
return callback err, {"error":"There was an error retrieving the session."} if err?
|
|
|
|
session = session.toObject()
|
|
oldScoreObject =
|
|
"standardDeviation":session.standardDeviation ? 25/3
|
|
"meanStrength":session.meanStrength ? 25
|
|
"totalScore":session.totalScore ? (25 - 1.8*(25/3))
|
|
"id": sessionID
|
|
callback err, oldScoreObject
|