codecombat/server/middleware/classrooms.coffee

207 lines
9.4 KiB
CoffeeScript

_ = require 'lodash'
utils = require '../lib/utils'
errors = require '../commons/errors'
schemas = require '../../app/schemas/schemas'
wrap = require 'co-express'
Promise = require 'bluebird'
database = require '../commons/database'
mongoose = require 'mongoose'
Classroom = require '../models/Classroom'
Course = require '../models/Course'
Campaign = require '../models/Campaign'
Level = require '../models/Level'
parse = require '../commons/parse'
LevelSession = require '../models/LevelSession'
User = require '../models/User'
CourseInstance = require '../models/CourseInstance'
module.exports =
fetchByCode: wrap (req, res, next) ->
code = req.query.code
return next() unless code
classroom = yield Classroom.findOne({ code: code.toLowerCase() }).select('name ownerID aceConfig')
if not classroom
throw new errors.NotFound('Classroom not found.')
classroom = classroom.toObject()
# Tack on the teacher's name for display to the user
owner = (yield User.findOne({ _id: mongoose.Types.ObjectId(classroom.ownerID) }).select('name')).toObject()
res.status(200).send({ data: classroom, owner } )
getByOwner: wrap (req, res, next) ->
options = req.query
ownerID = options.ownerID
return next() unless ownerID
throw new errors.UnprocessableEntity('Bad ownerID') unless utils.isID ownerID
throw new errors.Unauthorized() unless req.user
throw new errors.Forbidden('"ownerID" must be yourself') unless req.user.isAdmin() or ownerID is req.user.id
sanitizedOptions = {}
unless _.isUndefined(options.archived)
# Handles when .archived is true, vs false-or-null
sanitizedOptions.archived = { $ne: not (options.archived is 'true') }
dbq = Classroom.find _.merge sanitizedOptions, { ownerID: mongoose.Types.ObjectId(ownerID) }
dbq.select(parse.getProjectFromReq(req))
classrooms = yield dbq
classrooms = (classroom.toObject({req: req}) for classroom in classrooms)
res.status(200).send(classrooms)
fetchAllLevels: wrap (req, res, next) ->
classroom = yield database.getDocFromHandle(req, Classroom)
if not classroom
throw new errors.NotFound('Classroom not found.')
levelOriginals = []
for course in classroom.get('courses') or []
for level in course.levels
levelOriginals.push(level.original)
levels = yield Level.find({ original: { $in: levelOriginals }, slug: { $exists: true }}).select(parse.getProjectFromReq(req))
levels = (level.toObject({ req: req }) for level in levels)
# maintain course order
levelMap = {}
for level in levels
levelMap[level.original] = level
levels = (levelMap[levelOriginal.toString()] for levelOriginal in levelOriginals)
res.status(200).send(_.filter(levels)) # for dev server where not all levels will be found
fetchLevelsForCourse: wrap (req, res) ->
classroom = yield database.getDocFromHandle(req, Classroom)
if not classroom
throw new errors.NotFound('Classroom not found.')
levelOriginals = []
for course in classroom.get('courses') or []
if course._id.toString() isnt req.params.courseID
continue
for level in course.levels
levelOriginals.push(level.original)
levels = yield Level.find({ original: { $in: levelOriginals }, slug: { $exists: true }}).select(parse.getProjectFromReq(req))
levels = (level.toObject({ req: req }) for level in levels)
# maintain course order
levelMap = {}
for level in levels
levelMap[level.original] = level
levels = (levelMap[levelOriginal.toString()] for levelOriginal in levelOriginals)
res.status(200).send(levels)
fetchMemberSessions: wrap (req, res, next) ->
throw new errors.Unauthorized() unless req.user
memberLimit = parse.getLimitFromReq(req, {default: 10, max: 100, param: 'memberLimit'})
memberSkip = parse.getSkipFromReq(req, {param: 'memberSkip'})
classroom = yield database.getDocFromHandle(req, Classroom)
throw new errors.NotFound('Classroom not found.') if not classroom
throw new errors.Forbidden('You do not own this classroom.') unless req.user.isAdmin() or classroom.get('ownerID').equals(req.user._id)
members = classroom.get('members') or []
members = members.slice(memberSkip, memberSkip + memberLimit)
dbqs = []
select = 'state.complete level creator playtime changed dateFirstCompleted'
for member in members
dbqs.push(LevelSession.find({creator: member.toHexString()}).select(select).exec())
results = yield dbqs
sessions = _.flatten(results)
res.status(200).send(sessions)
fetchMembers: wrap (req, res, next) ->
throw new errors.Unauthorized() unless req.user
memberLimit = parse.getLimitFromReq(req, {default: 10, max: 100, param: 'memberLimit'})
memberSkip = parse.getSkipFromReq(req, {param: 'memberSkip'})
classroom = yield database.getDocFromHandle(req, Classroom)
throw new errors.NotFound('Classroom not found.') if not classroom
isOwner = classroom.get('ownerID').equals(req.user._id)
isMember = req.user.id in (m.toString() for m in classroom.get('members'))
unless req.user.isAdmin() or isOwner or isMember
throw new errors.Forbidden('You do not own this classroom.')
memberIDs = classroom.get('members') or []
memberIDs = memberIDs.slice(memberSkip, memberSkip + memberLimit)
members = yield User.find({ _id: { $in: memberIDs }}).select(parse.getProjectFromReq(req))
# members = yield User.find({ _id: { $in: memberIDs }, deleted: { $ne: true }}).select(parse.getProjectFromReq(req))
memberObjects = (member.toObject({ req: req, includedPrivates: ["name", "email"] }) for member in members)
res.status(200).send(memberObjects)
post: wrap (req, res) ->
throw new errors.Unauthorized() unless req.user and not req.user.isAnonymous()
throw new errors.Forbidden() unless req.user?.isTeacher()
classroom = database.initDoc(req, Classroom)
classroom.set 'ownerID', req.user._id
classroom.set 'members', []
database.assignBody(req, classroom)
# copy over data from how courses are right now
courses = yield Course.find()
campaigns = yield Campaign.find({_id: {$in: (course.get('campaignID') for course in courses)}})
campaignMap = {}
campaignMap[campaign.id] = campaign for campaign in campaigns
coursesData = []
for course in courses
courseData = { _id: course._id, levels: [] }
campaign = campaignMap[course.get('campaignID').toString()]
levels = _.values(campaign.get('levels'))
levels = _.sortBy(levels, 'campaignIndex')
for level in levels
levelData = { original: mongoose.Types.ObjectId(level.original) }
_.extend(levelData, _.pick(level, 'type', 'slug', 'name'))
courseData.levels.push(levelData)
coursesData.push(courseData)
classroom.set('courses', coursesData)
# finish
database.validateDoc(classroom)
classroom = yield classroom.save()
res.status(201).send(classroom.toObject({req: req}))
join: wrap (req, res) ->
unless req.body?.code
throw new errors.UnprocessableEntity('Need a code')
if req.user.isTeacher()
throw new errors.Forbidden('Cannot join a classroom as a teacher')
code = req.body.code.toLowerCase()
classroom = yield Classroom.findOne({code: code})
if not classroom
throw new errors.NotFound('Classroom not found.')
members = _.clone(classroom.get('members'))
if _.any(members, (memberID) -> memberID.equals(req.user._id))
return res.send(classroom.toObject({req: req}))
update = { $push: { members : req.user._id }}
yield classroom.update(update)
members.push req.user._id
classroom.set('members', members)
# make user role student
if not req.user.get('role')
req.user.set('role', 'student')
yield req.user.save()
# join any course instances for free courses in the classroom
courseIDs = (course._id for course in classroom.get('courses'))
courses = yield Course.find({_id: {$in: courseIDs}, free: true})
freeCourseIDs = (course._id for course in courses)
freeCourseInstances = yield CourseInstance.find({ classroomID: classroom._id, courseID: {$in: freeCourseIDs} }).select('_id')
freeCourseInstanceIDs = (courseInstance._id for courseInstance in freeCourseInstances)
yield CourseInstance.update({_id: {$in: freeCourseInstanceIDs}}, { $addToSet: { members: req.user._id }})
yield User.update({ _id: req.user._id }, { $addToSet: { courseInstances: { $each: freeCourseInstanceIDs } } })
res.send(classroom.toObject({req: req}))
setStudentPassword: wrap (req, res, next) ->
newPassword = req.body.password
{ classroomID, memberID } = req.params
teacherID = req.user.id
return next() if teacherID is memberID or not newPassword
ownedClassrooms = yield Classroom.find({ ownerID: mongoose.Types.ObjectId(teacherID) })
ownedStudentIDs = _.flatten ownedClassrooms.map (c) ->
c.get('members').map (id) ->
id.toString()
return next() unless memberID in ownedStudentIDs
student = yield User.findById(memberID)
if student.get('emailVerified')
return next new errors.Forbidden("Can't reset password for a student that has verified their email address.")
{ valid, error } = tv4.validateResult(newPassword, schemas.passwordString)
unless valid
throw new errors.UnprocessableEntity(error.message)
yield student.update({ $set: { passwordHash: User.hashPassword(newPassword) } })
res.status(200).send({})