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91fa467251
Fix typo Fix race condition with loading next level Return an empty object for next level instead of an error; Supermodel has a race condition when some of the models fail to load, when we override an error response as "success". Fix next level spec Remove comment per Scott's request
125 lines
4.7 KiB
CoffeeScript
125 lines
4.7 KiB
CoffeeScript
errors = require '../commons/errors'
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wrap = require 'co-express'
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Promise = require 'bluebird'
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database = require '../commons/database'
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mongoose = require 'mongoose'
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TrialRequest = require '../models/TrialRequest'
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CourseInstance = require '../models/CourseInstance'
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Classroom = require '../models/Classroom'
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Course = require '../models/Course'
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User = require '../models/User'
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Level = require '../models/Level'
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parse = require '../commons/parse'
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module.exports =
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addMembers: wrap (req, res) ->
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if req.body.userID
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userIDs = [req.body.userID]
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else if req.body.userIDs
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userIDs = req.body.userIDs
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else
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throw new errors.UnprocessableEntity('Must provide userID or userIDs')
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for userID in userIDs
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unless _.all userIDs, database.isID
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throw new errors.UnprocessableEntity('Invalid list of user IDs')
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courseInstance = yield database.getDocFromHandle(req, CourseInstance)
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if not courseInstance
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throw new errors.NotFound('Course Instance not found.')
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classroom = yield Classroom.findById courseInstance.get('classroomID')
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if not classroom
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throw new errors.NotFound('Classroom not found.')
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classroomMembers = (userID.toString() for userID in classroom.get('members'))
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unless _.all(userIDs, (userID) -> _.contains classroomMembers, userID)
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throw new errors.Forbidden('Users must be members of classroom')
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ownsClassroom = classroom.get('ownerID').equals(req.user._id)
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addingSelf = userIDs.length is 1 and userIDs[0] is req.user.id
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unless ownsClassroom or addingSelf
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throw new errors.Forbidden('You must own the classroom to add members')
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# Only the enrolled users
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users = yield User.find({ _id: { $in: userIDs }}).select('coursePrepaidID')
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usersArePrepaid = _.all((user.get('coursePrepaidID') for user in users))
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course = yield Course.findById courseInstance.get('courseID')
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throw new errors.NotFound('Course referenced by course instance not found') unless course
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if not (course.get('free') or usersArePrepaid)
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throw new errors.PaymentRequired('Cannot add users to a course instance until they are added to a prepaid')
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userObjectIDs = (mongoose.Types.ObjectId(userID) for userID in userIDs)
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courseInstance = yield CourseInstance.findByIdAndUpdate(
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courseInstance._id,
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{ $addToSet: { members: { $each: userObjectIDs } } }
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{ new: true }
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)
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userUpdateResult = yield User.update(
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{ _id: { $in: userObjectIDs } },
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{ $addToSet: { courseInstances: courseInstance._id } }
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)
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res.status(200).send(courseInstance.toObject({ req }))
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fetchNextLevel: wrap (req, res) ->
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levelOriginal = req.params.levelOriginal
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if not database.isID(levelOriginal)
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throw new errors.UnprocessableEntity('Invalid level original ObjectId')
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courseInstance = yield database.getDocFromHandle(req, CourseInstance)
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if not courseInstance
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throw new errors.NotFound('Course Instance not found.')
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courseID = courseInstance.get('courseID')
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classroom = yield Classroom.findById courseInstance.get('classroomID')
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if not classroom
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throw new errors.NotFound('Classroom not found.')
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nextLevelOriginal = null
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foundLevelOriginal = false
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for course in classroom.get('courses') or []
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if not courseID.equals(course._id)
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continue
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for level, index in course.levels
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if level.original.toString() is levelOriginal
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foundLevelOriginal = true
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nextLevelOriginal = course.levels[index+1]?.original
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break
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if not foundLevelOriginal
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throw new errors.NotFound('Level original ObjectId not found in Classroom courses')
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if not nextLevelOriginal
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res.status(200).send({})
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dbq = Level.findOne({original: mongoose.Types.ObjectId(nextLevelOriginal)})
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dbq.sort({ 'version.major': -1, 'version.minor': -1 })
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dbq.select(parse.getProjectFromReq(req))
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level = yield dbq
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level = level.toObject({req: req})
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res.status(200).send(level)
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fetchClassroom: wrap (req, res) ->
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courseInstance = yield database.getDocFromHandle(req, CourseInstance)
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if not courseInstance
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throw new errors.NotFound('Course Instance not found.')
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classroom = yield Classroom.findById(courseInstance.get('classroomID')).select(parse.getProjectFromReq(req))
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if not classroom
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throw new errors.NotFound('Classroom not found.')
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isOwner = classroom.get('ownerID')?.equals req.user?._id
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isMember = _.any(classroom.get('members') or [], (memberID) -> memberID.equals(req.user.get('_id')))
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if not (isOwner or isMember)
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throw new errors.Forbidden('You do not have access to this classroom')
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classroom = classroom.toObject({req: req})
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res.status(200).send(classroom)
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