mirror of
https://github.com/codeninjasllc/codecombat.git
synced 2024-11-28 10:06:08 -05:00
331 lines
No EOL
11 KiB
CoffeeScript
331 lines
No EOL
11 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 = 400
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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", {}, (err,data) ->
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throwScoringQueueRegistrationError(err) if err?
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scoringTaskQueue = data
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log.info "Connected to scoring task queue!"
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throwScoringQueueRegistrationError = (error) ->
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log.error "There was an error registering the scoring queue: #{error}"
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throw new Error "There was an error registering the scoring queue."
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module.exports.createNewTask = (req, res) ->
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return errors.badInput res, "The session ID is invalid" unless typeof req.body.session is "string"
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LevelSession.findOne { "_id": req.body.session}, (err, sessionToScore) ->
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return errors.serverError res, "There was an error finding the given session." if err?
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sessionToScore = sessionToScore.toJSON()
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console.log "Ranking session of team #{sessionToScore.team}"
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LevelSession.update { "_id": req.body.session}, {"submitted":true}, (err, data) ->
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return errors.serverError res, "There was an error saving the submitted bool of the session." if err?
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LevelSession.find { "levelID": "project-dota", "submitted": true}, (err, submittedSessions) ->
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taskPairs = []
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for session in submittedSessions
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session = session.toObject()
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console.log "Attemping to add session of team #{session.team} to taskPairs..."
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if String(session._id) isnt req.body.session and session.team isnt sessionToScore.team and session.team in ["ogres","humans"]
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console.log "Adding game to taskPairs!"
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taskPairs.push [req.body.session,String session._id]
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async.each taskPairs, sendTaskPairToQueue, (taskPairError) ->
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return errors.serverError res, "There was an error sending the task pairs to the queue" if taskPairError?
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sendResponseObject req, res, {"message":"All task pairs were succesfully sent to the queue"}
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sendTaskPairToQueue = (taskPair, callback) ->
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taskObject =
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sessions: taskPair
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scoringTaskQueue.sendMessage taskObject, 0, (err,data) ->
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callback err,data
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module.exports.dispatchTaskToConsumer = (req, res) ->
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userID = getUserIDFromRequest req,res
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return errors.forbidden res, "You need to be logged in to simulate games" if isUserAnonymous req
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scoringTaskQueue.receiveMessage (taskQueueReceiveError, message) ->
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if (not message?) or message.isEmpty() or taskQueueReceiveError?
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return errors.gatewayTimeoutError res, "No messages were receieved from the queue. Msg:#{taskQueueReceiveError}"
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messageBody = parseTaskQueueMessage req, res, message
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return errors.serverError res, "There was an error parsing the queue message" unless messageBody?
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constructTaskObject messageBody, (taskConstructionError, taskObject) ->
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return errors.serverError res, "There was an error constructing the scoring task" if taskConstructionError?
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message.changeMessageVisibilityTimeout scoringTaskTimeoutInSeconds
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constructTaskLogObject userID,message.getReceiptHandle(), (taskLogError, taskLogObject) ->
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return errors.serverError res, "There was an error creating the task log object." if taskLogError?
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setTaskObjectTaskLogID taskObject, taskLogObject._id
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taskObject.receiptHandle = message.getReceiptHandle()
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sendResponseObject req, res, taskObject
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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.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.sessionID
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"sessionChangedTime": session.changed
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"team": session.team ? "No team"
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"code": session.code
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"teamSpells": session.teamSpells ? {}
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"levelID": session.levelID
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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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return callback err, {"error":"There was an error retrieving the session."} if err?
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session = session.toObject()
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sessionInformation =
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"sessionID": session._id
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"code": _.cloneDeep session.code
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"changed": session.changed
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"creator": session.creator
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"team": session.team
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"teamSpells": session.teamSpells
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"levelID": session.levelID
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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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setTaskObjectTaskLogID = (taskObject, taskLogObjectID) -> taskObject.taskID = taskLogObjectID
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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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module.exports.processTaskResult = (req, res) ->
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clientResponseObject = verifyClientResponse req.body, res
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if 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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destroyQueueMessage clientResponseObject.receiptHandle, (err) ->
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return errors.badInput res, "The queue message is already back in the queue, rejecting results." if err?
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logTaskComputation clientResponseObject, taskLog, (loggingError) ->
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if loggingError?
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return errors.serverError res, "There as a problem logging the task computation: #{loggingError}"
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updateScores clientResponseObject, (updatingScoresError, newScores) ->
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if updatingScoresError?
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return errors.serverError res, "There was an error updating the scores.#{updatingScoresError}"
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sendResponseObject req, res, {"message":"The scores were updated successfully!"}
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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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destroyQueueMessage = (receiptHandle, callback) -> scoringTaskQueue.deleteMessage receiptHandle, callback
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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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updateScores = (taskObject,callback) ->
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sessionIDs = _.pluck taskObject.sessions, 'sessionID'
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async.map sessionIDs, retrieveOldScoreMetrics, (err, oldScores) ->
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callback err, {"error": "There was an error retrieving the old scores"} if err?
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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) ->
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if err? then callback err, null else callback err, {"message":"All scores were saved successfully."}
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updateScoreInSession = (scoreObject,callback) ->
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sessionObjectQuery =
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"_id": scoreObject.id
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LevelSession.findOne sessionObjectQuery, (err, session) ->
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return callback err, null if err?
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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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log.info "New total score for session #{scoreObject.id} is #{updateObject.totalScore}"
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LevelSession.update sessionObjectQuery, updateObject, callback
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putRankingFromMetricsIntoScoreObject = (taskObject,scoreObject) ->
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scoreObject = _.indexBy scoreObject, 'id'
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for session in taskObject.sessions
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scoreObject[session.sessionID].gameRanking = session.metrics.rank
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scoreObject
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retrieveOldScoreMetrics = (sessionID, callback) ->
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sessionQuery =
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"_id":sessionID
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LevelSession.findOne sessionQuery, (err, session) ->
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return callback err, {"error":"There was an error retrieving the session."} if err?
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defaultScore = (25 - 1.8*(25/3))
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defaultStandardDeviation = 25/3
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oldScoreObject =
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"standardDeviation":session.standardDeviation ? defaultStandardDeviation
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"meanStrength":session.meanStrength ? 25
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"totalScore":session.totalScore ? defaultScore
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"id": sessionID
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callback err, oldScoreObject
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###Sample Messages
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sampleQueueMessage =
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{
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"sessions": ["52dea9b77e486eeb97000001","52d981a73cf02dcf260003cb"]
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}
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sampleUndoneTaskObject =
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"taskID": "507f191e810c19729de860ea"
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"sessions" : [
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{
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"ID":"52dfeb17c8b5f435c7000025"
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"sessionChangedTime": "2014-01-22T16:28:12.450Z"
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"team":"humans"
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"code": "code goes here"
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},
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{
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"ID":"51eb2714fa058cb20d00fedg"
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"sessionChangedTime": "2014-01-22T16:28:12.450Z"
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"team":"ogres"
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"code": "code goes here"
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}
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]
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sampleResponseObject =
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"taskID": "507f191e810c19729de860ea"
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"calculationTime":3201
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"sessions": [
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{
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"ID":"52dfeb17c8b5f435c7000025"
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"sessionChangedTime": "2014-01-22T16:28:12.450Z"
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"metrics": {
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"rank":2
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}
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},
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{
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"ID":"51eb2714fa058cb20d00fedg"
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"sessionChangedTime": "2014-01-22T16:28:12.450Z"
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"metrics": {
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"rank":1
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}
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}
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]
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sampleTaskLogObject=
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{
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"_id":ObjectId("507f191e810c19729de860ea") #datestamp is built into objectId
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"calculatedBy":ObjectId("51eb2714fa058cb20d0006ef")
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"calculationTime":3201
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timedOut: false
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"sessions":[
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{
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"ID":ObjectId("52dfeb17c8b5f435c7000025")
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"metrics": {
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"rank":2
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}
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},
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{
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"ID":ObjectId("51eb2714fa058cb20d00feda")
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"metrics": {
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"rank":1
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}
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}
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]
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}
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### |