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196 lines
9.2 KiB
CoffeeScript
196 lines
9.2 KiB
CoffeeScript
Levels = require 'collections/Levels'
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module.exports =
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# Result: Each course instance gains a property, numCompleted, that is the
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# number of students in that course instance who have completed ALL of
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# the levels in thate course
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calculateDots: (classrooms, courses, courseInstances) ->
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for classroom in classrooms.models
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# map [user, level] => session so we don't have to do find TODO
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for course, courseIndex in courses.models
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instance = courseInstances.findWhere({ courseID: course.id, classroomID: classroom.id })
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continue if not instance
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instance.numCompleted = 0
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instance.numStarted = 0
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levels = classroom.getLevels({courseID: course.id, withoutLadderLevels: true})
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for userID in instance.get('members')
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levelCompletes = _.map levels.models, (level) ->
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return true if level.isLadder()
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#TODO: Hella slow! Do the mapping first!
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session = _.find classroom.sessions.models, (session) ->
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session.get('creator') is userID and session.get('level').original is level.get('original')
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# sessionMap[userID][level].completed()
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session?.completed()
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if _.every levelCompletes
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instance.numCompleted += 1
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if _.any levelCompletes
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instance.numStarted += 1
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calculateEarliestIncomplete: (classroom, courses, courseInstances, students) ->
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# Loop through all the combinations of things, return the first one that somebody hasn't finished
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for course, courseIndex in courses.models
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instance = courseInstances.findWhere({ courseID: course.id, classroomID: classroom.id })
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continue if not instance
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levels = classroom.getLevels({courseID: course.id, withoutLadderLevels: true})
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for level, levelIndex in levels.models
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userIDs = []
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for user in students.models
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userID = user.id
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session = _.find classroom.sessions.models, (session) ->
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session.get('creator') is userID and session.get('level').original is level.get('original')
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if not session?.completed()
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userIDs.push userID
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if userIDs.length > 0
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users = _.map userIDs, (id) ->
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students.get(id)
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return {
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courseNumber: courseIndex + 1
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levelNumber: levelIndex + 1
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levelName: level.get('name')
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users: users
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}
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null
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calculateLatestComplete: (classroom, courses, courseInstances, students) ->
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# Loop through all the combinations of things in reverse order, return the level that anyone's finished
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courseModels = courses.models.slice()
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for course, courseIndex in courseModels.reverse() #
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courseIndex = courses.models.length - courseIndex - 1 #compensate for reverse
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instance = courseInstances.findWhere({ courseID: course.id, classroomID: classroom.id })
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continue if not instance
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levels = classroom.getLevels({courseID: course.id, withoutLadderLevels: true})
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levelModels = levels.models.slice()
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for level, levelIndex in levelModels.reverse() #
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levelIndex = levelModels.length - levelIndex - 1 #compensate for reverse
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userIDs = []
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for user in students.models
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userID = user.id
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session = _.find classroom.sessions.models, (session) ->
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session.get('creator') is userID and session.get('level').original is level.get('original')
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if session?.completed() #
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userIDs.push userID
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if userIDs.length > 0
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users = _.map userIDs, (id) ->
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students.get(id)
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return {
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courseNumber: courseIndex + 1
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levelNumber: levelIndex + 1
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levelName: level.get('name')
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users: users
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}
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null
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calculateConceptsCovered: (classrooms, courses, campaigns, courseInstances, students) ->
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# Loop through all level/user combination and record
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# whether they've started, and completed, each concept
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conceptData = {}
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for classroom in classrooms.models
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conceptData[classroom.id] = {}
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for course, courseIndex in courses.models
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levels = classroom.getLevels({courseID: course.id, withoutLadderLevels: true})
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for level in levels.models
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levelID = level.get('original')
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for concept in level.get('concepts')
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unless conceptData[classroom.id][concept]
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conceptData[classroom.id][concept] = { completed: true, started: false }
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for concept in level.get('concepts')
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for userID in classroom.get('members')
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session = _.find classroom.sessions.models, (session) ->
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session.get('creator') is userID and session.get('level').original is levelID
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if not session # haven't gotten to this level yet, but might have completed others before
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for concept in level.get('concepts')
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conceptData[classroom.id][concept].completed = false
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if session # have gotten to the level and at least started it
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for concept in level.get('concepts')
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conceptData[classroom.id][concept].started = true
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if not session?.completed() # level started but not completed
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for concept in level.get('concepts')
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conceptData[classroom.id][concept].completed = false
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conceptData
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calculateAllProgress: (classrooms, courses, courseInstances, students) ->
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# Loop through all combinations and record:
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# Completeness for each student/course
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# Completeness for each student/level
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# Completeness for each class/course (across all students)
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# Completeness for each class/level (across all students)
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# class -> course
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# class -> course -> student
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# class -> course -> level
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# class -> course -> level -> student
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progressData = {}
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for classroom in classrooms.models
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progressData[classroom.id] = {}
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for course, courseIndex in courses.models
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instance = courseInstances.findWhere({ courseID: course.id, classroomID: classroom.id })
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if not instance
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progressData[classroom.id][course.id] = { completed: false, started: false }
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continue
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progressData[classroom.id][course.id] = { completed: true, started: false } # to be updated
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levels = classroom.getLevels({courseID: course.id, withoutLadderLevels: true})
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for level in levels.models
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levelID = level.get('original')
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progressData[classroom.id][course.id][levelID] = { completed: students.size() > 0, started: false }
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for user in students.models
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userID = user.id
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courseProgress = progressData[classroom.id][course.id]
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courseProgress[userID] ?= { completed: true, started: false } # Only set it the first time through a user
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courseProgress[levelID][userID] = { completed: true, started: false } # These don't matter, will always be set
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session = _.find classroom.sessions.models, (session) ->
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session.get('creator') is userID and session.get('level').original is levelID
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if not session # haven't gotten to this level yet, but might have completed others before
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courseProgress.started ||= false #no-op
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courseProgress.completed = false
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courseProgress[userID].started ||= false #no-op
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courseProgress[userID].completed = false
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courseProgress[levelID].started ||= false #no-op
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courseProgress[levelID].completed = false
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courseProgress[levelID][userID].started = false
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courseProgress[levelID][userID].completed = false
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if session # have gotten to the level and at least started it
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courseProgress.started = true
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courseProgress[userID].started = true
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courseProgress[levelID].started = true
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courseProgress[levelID][userID].started = true
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if session?.completed() # have finished this level
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courseProgress.completed &&= true #no-op
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courseProgress[userID].completed = true
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courseProgress[levelID].completed &&= true #no-op
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courseProgress[levelID][userID].completed = true
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else # level started but not completed
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courseProgress.completed = false
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courseProgress[userID].completed = false
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courseProgress[levelID].completed = false
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courseProgress[levelID][userID].completed = false
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_.assign(progressData, progressMixin)
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return progressData
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progressMixin =
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get: (options={}) ->
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{ classroom, course, level, user } = options
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throw new Error "You must provide a classroom" unless classroom
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throw new Error "You must provide a course" unless course
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defaultValue = { completed: false, started: false }
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if options.level
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levelID = level.get('original')
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if options.user
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return @[classroom.id]?[course.id]?[levelID]?[user.id] or defaultValue
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else
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return @[classroom.id]?[course.id]?[levelID] or defaultValue
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else
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if options.user
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return @[classroom.id]?[course.id]?[user.id] or defaultValue
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else
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return @[classroom.id]?[course.id] or defaultValue
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