mirror of
https://github.com/codeninjasllc/codecombat.git
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291 lines
12 KiB
CoffeeScript
291 lines
12 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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TaskLog = require './task/ScoringTask'
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bayes = new (require 'bayesian-battle')()
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scoringTaskQueue = undefined
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scoringTaskTimeoutInSeconds = 120
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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.createNewTask = (req, res) ->
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requestSessionID = req.body.session
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if isUserAnonymous req then return errors.forbidden res, "You need to be logged in to be added to the leaderboard"
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return errors.badInput res, "The session ID is invalid" unless typeof requestSessionID is "string"
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fetchSessionToSubmit requestSessionID, (err, sessionToSubmit) ->
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if err? then return errors.serverError res, "There was an error finding the given session."
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updateSessionToSubmit sessionToSubmit, (err, data) ->
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if err? then return errors.serverError res, "There was an error updating the session"
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fetchSessionsToRankAgainst (err, sessionsToRankAgainst) ->
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if err? then return errors.serverError res, "There was an error fetching the sessions to rank against"
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taskPairs = generateTaskPairs(sessionsToRankAgainst, sessionToSubmit)
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sendEachTaskPairToTheQueue taskPairs, (taskPairError) ->
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if taskPairError? then return errors.serverError res, "There was an error sending the task pairs to the queue"
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sendResponseObject req, res, {"message":"All task pairs were succesfully sent to the queue"}
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module.exports.dispatchTaskToConsumer = (req, res) ->
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if isUserAnonymous(req) then return errors.forbidden res, "You need to be logged in to simulate games"
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scoringTaskQueue.receiveMessage (err, message) ->
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if err? or messageIsInvalid(message) then return errors.gatewayTimeoutError res, "Queue Receive Error:#{err}"
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console.log "Received Message"
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messageBody = parseTaskQueueMessage req, res, message
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return unless messageBody?
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constructTaskObject messageBody, (taskConstructionError, taskObject) ->
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if taskConstructionError? then return errors.serverError res, "There was an error constructing the scoring task"
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console.log "Constructed task body"
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message.changeMessageVisibilityTimeout scoringTaskTimeoutInSeconds, (err) ->
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if err? then return errors.serverError res, "There was an error changing the message visibility timeout."
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console.log "Changed visibility timeout"
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constructTaskLogObject getUserIDFromRequest(req),message.getReceiptHandle(), (taskLogError, taskLogObject) ->
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if taskLogError? then return errors.serverError res, "There was an error creating the task log object."
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taskObject.taskID = taskLogObject._id
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taskObject.receiptHandle = message.getReceiptHandle()
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sendResponseObject req, res, taskObject
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module.exports.processTaskResult = (req, res) ->
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clientResponseObject = verifyClientResponse req.body, res
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return unless clientResponseObject?
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TaskLog.findOne {_id: clientResponseObject.taskID}, (err, taskLog) ->
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return errors.serverError res, "There was an error retrieiving the task log object" if err?
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taskLogJSON = taskLog.toObject()
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return errors.badInput res, "That computational task has already been performed" if taskLogJSON.calculationTimeMS
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return handleTimedOutTask req, res, clientResponseObject if hasTaskTimedOut taskLogJSON.sentDate
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scoringTaskQueue.deleteMessage clientResponseObject.receiptHandle, (err) ->
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if err? then return errors.badInput res, "The queue message is already back in the queue, rejecting results."
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logTaskComputation clientResponseObject, taskLog, (logErr) ->
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if logErr? then return errors.serverError res, "There as a problem logging the task computation: #{logErr}"
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updateSessions clientResponseObject, (updateError, newScoreArray) ->
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if updateError? then return errors.serverError res, "There was an error updating the scores.#{updateError}"
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newScoresObject = _.indexBy newScoreArray, 'id'
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addMatchToSessions clientResponseObject, newScoresObject, (err, data) ->
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if err? then return errors.serverError res, "There was an error updating the sessions with the match! #{JSON.stringify err}"
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console.log "Sending response object"
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sendResponseObject req, res, {"message":"The scores were updated successfully!"}
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addMatchToSessions = (clientResponseObject, 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, null
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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: currentMatchObject}
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log.info "Updating session #{sessionID}"
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LevelSession.update {"_id":sessionID}, sessionUpdateObject, callback
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messageIsInvalid = (message) -> (not message?) or message.isEmpty()
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sendEachTaskPairToTheQueue = (taskPairs, callback) -> async.each taskPairs, sendTaskPairToQueue, callback
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fetchSessionToSubmit = (submittedSessionID, callback) ->
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LevelSession.findOne {_id: submittedSessionID}, (err, session) -> 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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matches: []
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meanStrength: 25
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standardDeviation: 25/3
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totalScore: 10
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LevelSession.update {_id: sessionToUpdate._id}, sessionUpdateObject, callback
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fetchSessionsToRankAgainst = (callback) ->
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submittedSessionsQuery =
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levelID: "project-dota"
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submitted: true
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submittedCode:
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$exists: true
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LevelSession.find submittedSessionsQuery, callback
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generateTaskPairs = (submittedSessions, sessionToScore) ->
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taskPairs = []
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for session in submittedSessions
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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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sendTaskPairToQueue = (taskPair, callback) ->
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scoringTaskQueue.sendMessage {sessions: taskPair}, 0, (err,data) -> callback? err,data
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getUserIDFromRequest = (req) -> if req.user? then return req.user._id else return null
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isUserAnonymous = (req) -> if req.user? then return req.user.get('anonymous') else return true
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parseTaskQueueMessage = (req, res, message) ->
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try
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if typeof message.getBody() is "object" then return message.getBody()
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return messageBody = JSON.parse message.getBody()
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catch e
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sendResponseObject req, res, {"error":"There was an error parsing the task.Error: #{e}" }
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return null
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constructTaskObject = (taskMessageBody, callback) ->
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async.map taskMessageBody.sessions, getSessionInformation, (err, sessions) ->
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return callback err, data if 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 err, taskObject
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getSessionInformation = (sessionIDString, callback) ->
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LevelSession.findOne {_id:sessionIDString}, (err, session) ->
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if err? then return callback err, {"error":"There was an error retrieving the session."}
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sessionInformation = session.toObject()
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callback err, sessionInformation
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constructTaskLogObject = (calculatorUserID, messageIdentifierString, 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":messageIdentifierString
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taskLogObject.save callback
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sendResponseObject = (req,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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hasTaskTimedOut = (taskSentTimestamp) -> taskSentTimestamp + scoringTaskTimeoutInSeconds * 1000 < Date.now()
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handleTimedOutTask = (req, res, taskBody) -> errors.clientTimeout res, "The results weren't provided within the timeout"
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verifyClientResponse = (responseObject, res) ->
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unless typeof responseObject is "object"
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errors.badInput res, "The response to that query is required to be a JSON object."
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null
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else
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responseObject
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logTaskComputation = (taskObject,taskLogObject, callback) ->
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taskLogObject.calculationTimeMS = taskObject.calculationTimeMS
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taskLogObject.sessions = taskObject.sessions
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taskLogObject.save callback
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updateSessions = (taskObject,callback) ->
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sessionIDs = _.pluck taskObject.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 taskObject, 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) -> 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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updateObject =
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meanStrength: scoreObject.meanStrength
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standardDeviation: scoreObject.standardDeviation
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totalScore: scoreObject.meanStrength - 1.8 * scoreObject.standardDeviation
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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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putRankingFromMetricsIntoScoreObject = (taskObject,scoreObject) ->
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scoreObject = _.indexBy scoreObject, 'id'
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scoreObject[session.sessionID].gameRanking = session.metrics.rank for session in taskObject.sessions
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return scoreObject
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retrieveOldSessionData = (sessionID, callback) ->
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LevelSession.findOne {"_id":sessionID}, (err, session) ->
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return callback err, {"error":"There was an error retrieving the session."} if err?
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session = session.toObject()
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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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callback err, oldScoreObject
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