mirror of
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308 lines
17 KiB
CoffeeScript
308 lines
17 KiB
CoffeeScript
async = require 'async'
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Handler = require '../commons/Handler'
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Campaign = require '../campaigns/Campaign'
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Classroom = require '../classrooms/Classroom'
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Course = require './Course'
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CourseInstance = require './CourseInstance'
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LevelSession = require '../levels/sessions/LevelSession'
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LevelSessionHandler = require '../levels/sessions/level_session_handler'
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Prepaid = require '../prepaids/Prepaid'
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PrepaidHandler = require '../prepaids/prepaid_handler'
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User = require '../users/User'
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UserHandler = require '../users/user_handler'
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utils = require '../../app/core/utils'
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sendwithus = require '../sendwithus'
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mongoose = require 'mongoose'
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CourseInstanceHandler = class CourseInstanceHandler extends Handler
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modelClass: CourseInstance
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jsonSchema: require '../../app/schemas/models/course_instance.schema'
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allowedMethods: ['GET', 'POST', 'PUT', 'DELETE']
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logError: (user, msg) ->
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console.warn "Course instance error: #{user.get('slug')} (#{user._id}): '#{msg}'"
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hasAccess: (req) ->
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req.method in @allowedMethods or req.user?.isAdmin()
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hasAccessToDocument: (req, document, method=null) ->
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return true if document?.get('ownerID')?.equals(req.user?.get('_id'))
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return true if req.method is 'GET' and _.find document?.get('members'), (a) -> a.equals(req.user?.get('_id'))
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req.user?.isAdmin()
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getByRelationship: (req, res, args...) ->
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relationship = args[1]
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return @createHOCAPI(req, res) if relationship is 'create-for-hoc'
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return @getLevelSessionsAPI(req, res, args[0]) if args[1] is 'level_sessions'
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return @addMember(req, res, args[0]) if req.method is 'POST' and args[1] is 'members'
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return @removeMember(req, res, args[0]) if req.method is 'DELETE' and args[1] is 'members'
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return @getMembersAPI(req, res, args[0]) if args[1] is 'members'
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return @inviteStudents(req, res, args[0]) if relationship is 'invite_students'
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return @redeemPrepaidCodeAPI(req, res) if args[1] is 'redeem_prepaid'
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return @getMyCourseLevelSessionsAPI(req, res, args[0]) if args[1] is 'my-course-level-sessions'
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return @findByLevel(req, res, args[2]) if args[1] is 'find_by_level'
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super arguments...
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createHOCAPI: (req, res) ->
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return @sendUnauthorizedError(res) if not req.user?
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courseID = mongoose.Types.ObjectId('560f1a9f22961295f9427742')
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CourseInstance.findOne { courseID: courseID, ownerID: req.user.get('_id'), hourOfCode: true }, (err, courseInstance) =>
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return @sendDatabaseError(res, err) if err
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if courseInstance
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console.log 'already made a course instance'
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return @sendSuccess(res, courseInstance) if courseInstance
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console.log 'making a new course instance'
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courseInstance = new CourseInstance({
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courseID: courseID
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members: [req.user.get('_id')]
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name: 'Single Player'
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ownerID: req.user.get('_id')
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aceConfig: { language: 'python' }
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hourOfCode: true
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})
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courseInstance.save (err, courseInstance) =>
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return @sendDatabaseError(res, err) if err
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@sendCreated(res, courseInstance)
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addMember: (req, res, courseInstanceID) ->
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return @sendUnauthorizedError(res) if not req.user?
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userID = req.body.userID
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return @sendBadInputError(res, 'Input must be a MongoDB ID') unless utils.isID(userID)
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CourseInstance.findById courseInstanceID, (err, courseInstance) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res, 'Course instance not found') unless courseInstance
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Classroom.findById courseInstance.get('classroomID'), (err, classroom) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res, 'Classroom referenced by course instance not found') unless classroom
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return @sendForbiddenError(res) unless _.any(classroom.get('members'), (memberID) -> memberID.toString() is userID)
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ownsCourseInstance = courseInstance.get('ownerID').equals(req.user.get('_id'))
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addingSelf = userID is req.user.id
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return @sendForbiddenError(res) unless ownsCourseInstance or addingSelf
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alreadyInCourseInstance = _.any courseInstance.get('members') or [], (memberID) -> memberID.toString() is userID
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return @sendSuccess(res, @formatEntity(req, courseInstance)) if alreadyInCourseInstance
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Prepaid.find({ 'redeemers.userID': mongoose.Types.ObjectId(userID) }).count (err, userIsPrepaid) =>
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return @sendDatabaseError(res, err) if err
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Course.findById courseInstance.get('courseID'), (err, course) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res, 'Course referenced by course instance not found') unless course
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if not (course.get('free') or userIsPrepaid)
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return @sendPaymentRequiredError(res, 'Cannot add this user to a course instance until they are added to a prepaid')
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members = courseInstance.get('members')
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members.push(userID)
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courseInstance.set('members', members)
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courseInstance.save (err, courseInstance) =>
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return @sendDatabaseError(res, err) if err
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User.update {_id: mongoose.Types.ObjectId(userID)}, {$addToSet: {courseInstances: courseInstance.get('_id')}}, (err) =>
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return @sendDatabaseError(res, err) if err
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@sendSuccess(res, @formatEntity(req, courseInstance))
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removeMember: (req, res, courseInstanceID) ->
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return @sendUnauthorizedError(res) if not req.user?
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userID = req.body.userID
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return @sendBadInputError(res, 'Input must be a MongoDB ID') unless utils.isID(userID)
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CourseInstance.findById courseInstanceID, (err, courseInstance) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res, 'Course instance not found') unless courseInstance
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Classroom.findById courseInstance.get('classroomID'), (err, classroom) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res, 'Classroom referenced by course instance not found') unless classroom
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return @sendForbiddenError(res) unless _.any(classroom.get('members'), (memberID) -> memberID.toString() is userID)
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ownsCourseInstance = courseInstance.get('ownerID').equals(req.user.get('_id'))
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removingSelf = userID is req.user.id
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return @sendForbiddenError(res) unless ownsCourseInstance or removingSelf
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alreadyNotInCourseInstance = not _.any courseInstance.get('members') or [], (memberID) -> memberID.toString() is userID
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return @sendSuccess(res, @formatEntity(req, courseInstance)) if alreadyNotInCourseInstance
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members = _.clone(courseInstance.get('members'))
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members = (m for m in members when m.toString() isnt userID)
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courseInstance.set('members', members)
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courseInstance.save (err, courseInstance) =>
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return @sendDatabaseError(res, err) if err
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User.update {_id: mongoose.Types.ObjectId(userID)}, {$pull: {courseInstances: courseInstance.get('_id')}}, (err) =>
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return @sendDatabaseError(res, err) if err
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@sendSuccess(res, @formatEntity(req, courseInstance))
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post: (req, res) ->
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return @sendUnauthorizedError(res) if not req.user?
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return @sendBadInputError(res, 'No classroomID') unless req.body.classroomID
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return @sendBadInputError(res, 'No courseID') unless req.body.courseID
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Classroom.findById req.body.classroomID, (err, classroom) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res, 'Classroom not found') unless classroom
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return @sendForbiddenError(res) unless classroom.get('ownerID').equals(req.user.get('_id'))
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Course.findById req.body.courseID, (err, course) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res, 'Course not found') unless course
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super(req, res)
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makeNewInstance: (req) ->
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doc = new CourseInstance({
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members: []
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ownerID: req.user.get('_id')
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})
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doc.set('aceConfig', {}) # constructor will ignore empty objects
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return doc
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getLevelSessionsAPI: (req, res, courseInstanceID) ->
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return @sendUnauthorizedError(res) if not req.user?
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CourseInstance.findById courseInstanceID, (err, courseInstance) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless courseInstance
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Course.findById courseInstance.get('courseID'), (err, course) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless course
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Campaign.findById course.get('campaignID'), (err, campaign) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless campaign
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levelIDs = (levelID for levelID of campaign.get('levels'))
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memberIDs = _.map courseInstance.get('members') ? [], (memberID) -> memberID.toHexString?() or memberID
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query = {$and: [{creator: {$in: memberIDs}}, {'level.original': {$in: levelIDs}}]}
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cursor = LevelSession.find(query)
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cursor = cursor.select(req.query.project) if req.query.project
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cursor.exec (err, documents) =>
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return @sendDatabaseError(res, err) if err?
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cleandocs = (LevelSessionHandler.formatEntity(req, doc) for doc in documents)
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@sendSuccess(res, cleandocs)
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getMyCourseLevelSessionsAPI: (req, res, courseInstanceID) ->
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return @sendUnauthorizedError(res) if not req.user?
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CourseInstance.findById courseInstanceID, (err, courseInstance) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless courseInstance
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Course.findById courseInstance.get('courseID'), (err, course) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless course
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Campaign.findById course.get('campaignID'), (err, campaign) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless campaign
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levelIDs = (levelID for levelID, level of campaign.get('levels') when not _.contains(level.type, 'ladder'))
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query = {$and: [{creator: req.user.id}, {'level.original': {$in: levelIDs}}]}
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cursor = LevelSession.find(query)
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cursor = cursor.select(req.query.project) if req.query.project
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cursor.exec (err, documents) =>
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return @sendDatabaseError(res, err) if err?
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cleandocs = (LevelSessionHandler.formatEntity(req, doc) for doc in documents)
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@sendSuccess(res, cleandocs)
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getMembersAPI: (req, res, courseInstanceID) ->
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return @sendUnauthorizedError(res) if not req.user?
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CourseInstance.findById courseInstanceID, (err, courseInstance) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless courseInstance
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memberIDs = courseInstance.get('members') ? []
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User.find {_id: {$in: memberIDs}}, (err, users) =>
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return @sendDatabaseError(res, err) if err
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cleandocs = (UserHandler.formatEntity(req, doc) for doc in users)
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@sendSuccess(res, cleandocs)
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inviteStudents: (req, res, courseInstanceID) ->
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return @sendUnauthorizedError(res) if not req.user?
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if not req.body.emails
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return @sendBadInputError(res, 'Emails not included')
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CourseInstance.findById courseInstanceID, (err, courseInstance) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless courseInstance
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return @sendForbiddenError(res) unless @hasAccessToDocument(req, courseInstance)
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Course.findById courseInstance.get('courseID'), (err, course) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless course
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Prepaid.findById courseInstance.get('prepaidID'), (err, prepaid) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless prepaid
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return @sendForbiddenError(res) unless prepaid.get('maxRedeemers') > prepaid.get('redeemers').length
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for email in req.body.emails
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context =
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email_id: sendwithus.templates.course_invite_email
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recipient:
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address: email
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subject: course.get('name')
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email_data:
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class_name: course.get('name')
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join_link: "https://codecombat.com/courses/students?_ppc=" + prepaid.get('code')
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sendwithus.api.send context, _.noop
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return @sendSuccess(res, {})
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redeemPrepaidCodeAPI: (req, res) ->
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return @sendUnauthorizedError(res) if not req.user? or req.user?.isAnonymous()
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return @sendBadInputError(res) unless req.body?.prepaidCode
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prepaidCode = req.body?.prepaidCode
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Prepaid.find code: prepaidCode, (err, prepaids) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) if prepaids.length < 1
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return @sendDatabaseError(res, "Multiple prepaid codes found for #{prepaidCode}") if prepaids.length > 1
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prepaid = prepaids[0]
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CourseInstance.find prepaidID: prepaid.get('_id'), (err, courseInstances) =>
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return @sendDatabaseError(res, err) if err
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return @sendForbiddenError(res) if prepaid.get('redeemers')?.length >= prepaid.get('maxRedeemers')
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if _.find((prepaid.get('redeemers') ? []), (a) -> a.userID.equals(req.user.id))
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return @sendSuccess(res, courseInstances)
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# Add to prepaid redeemers
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query =
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_id: prepaid.get('_id')
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'redeemers.userID': { $ne: req.user.get('_id') }
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$where: "this.redeemers.length < #{prepaid.get('maxRedeemers')}"
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update = { $push: { redeemers : { date: new Date(), userID: req.user.get('_id') } }}
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Prepaid.update query, update, (err, nMatched) =>
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return @sendDatabaseError(res, err) if err
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if nMatched is 0
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@logError(req.user, "Course instance update prepaid lost race on maxRedeemers")
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return @sendForbiddenError(res)
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# Add to each course instance
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makeAddMemberToCourseInstanceFn = (courseInstance) =>
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(done) => courseInstance.update({$addToSet: { members: req.user.get('_id')}}, done)
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tasks = (makeAddMemberToCourseInstanceFn(courseInstance) for courseInstance in courseInstances)
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async.parallel tasks, (err, results) =>
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return @sendDatabaseError(res, err) if err
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@sendSuccess(res, courseInstances)
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findByLevel: (req, res, levelOriginal) ->
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return @sendUnauthorizedError(res) if not req.user?
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# Find all CourseInstances that req.user is a part of that match the given level.
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CourseInstance.find {_id: {$in: req.user.get('courseInstances')}}, (err, courseInstances) =>
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return @sendDatabaseError res, err if err
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return @sendSuccess res, [] unless courseInstances.length
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courseIDs = _.uniq (ci.get('courseID') for ci in courseInstances)
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Course.find {_id: {$in: courseIDs}}, {name: 1, campaignID: 1}, (err, courses) =>
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return @sendDatabaseError res, err if err
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return @sendSuccess res, [] unless courses.length
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campaignIDs = _.uniq (c.get('campaignID') for c in courses)
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Campaign.find {_id: {$in: campaignIDs}, "levels.#{levelOriginal}": {$exists: true}}, {_id: 1}, (err, campaigns) =>
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return @sendDatabaseError res, err if err
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return @sendSuccess res, [] unless campaigns.length
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courses = _.filter courses, (course) -> _.find campaigns, (campaign) -> campaign.get('_id').toString() is course.get('campaignID').toString()
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courseInstances = _.filter courseInstances, (courseInstance) -> _.find courses, (course) -> course.get('_id').toString() is courseInstance.get('courseID').toString()
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return @sendSuccess res, courseInstances
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get: (req, res) ->
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if ownerID = req.query.ownerID
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return @sendForbiddenError(res) unless req.user and (req.user.isAdmin() or ownerID is req.user.id)
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return @sendBadInputError(res, 'Bad ownerID') unless utils.isID ownerID
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CourseInstance.find {ownerID: mongoose.Types.ObjectId(ownerID)}, (err, courseInstances) =>
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return @sendDatabaseError(res, err) if err
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return @sendSuccess(res, (@formatEntity(req, courseInstance) for courseInstance in courseInstances))
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else if memberID = req.query.memberID
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return @sendForbiddenError(res) unless req.user and (req.user.isAdmin() or memberID is req.user.id)
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return @sendBadInputError(res, 'Bad memberID') unless utils.isID memberID
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CourseInstance.find {members: mongoose.Types.ObjectId(memberID)}, (err, courseInstances) =>
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return @sendDatabaseError(res, err) if err
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return @sendSuccess(res, (@formatEntity(req, courseInstance) for courseInstance in courseInstances))
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else if classroomID = req.query.classroomID
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return @sendForbiddenError(res) unless req.user
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return @sendBadInputError(res, 'Bad memberID') unless utils.isID classroomID
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Classroom.findById classroomID, (err, classroom) =>
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless classroom
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return @sendForbiddenError(res) unless classroom.isMember(req.user._id) or classroom.isOwner(req.user._id)
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CourseInstance.find {classroomID: mongoose.Types.ObjectId(classroomID)}, (err, courseInstances) =>
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return @sendDatabaseError(res, err) if err
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return @sendSuccess(res, (@formatEntity(req, courseInstance) for courseInstance in courseInstances))
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else
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super(arguments...)
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module.exports = new CourseInstanceHandler()
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