codecombat/server/middleware/course-instances.coffee
Matt Lott 951db5a721 🐛Fix course ordering and furthest logic in dashboard
Also speeding up server APIs via lean() db calls
2016-09-19 13:17:02 -07:00

187 lines
8.4 KiB
CoffeeScript

errors = require '../commons/errors'
wrap = require 'co-express'
Promise = require 'bluebird'
database = require '../commons/database'
mongoose = require 'mongoose'
TrialRequest = require '../models/TrialRequest'
CourseInstance = require '../models/CourseInstance'
Classroom = require '../models/Classroom'
Course = require '../models/Course'
User = require '../models/User'
Level = require '../models/Level'
LevelSession = require '../models/LevelSession'
parse = require '../commons/parse'
{objectIdFromTimestamp} = require '../lib/utils'
utils = require '../../app/core/utils'
Prepaid = require '../models/Prepaid'
module.exports =
addMembers: wrap (req, res) ->
if req.body.userID
userIDs = [req.body.userID]
else if req.body.userIDs
userIDs = req.body.userIDs
else
throw new errors.UnprocessableEntity('Must provide userID or userIDs')
for userID in userIDs
unless _.all userIDs, database.isID
throw new errors.UnprocessableEntity('Invalid list of user IDs')
courseInstance = yield database.getDocFromHandle(req, CourseInstance)
if not courseInstance
throw new errors.NotFound('Course Instance not found.')
classroom = yield Classroom.findById courseInstance.get('classroomID')
if not classroom
throw new errors.NotFound('Classroom not found.')
classroomMembers = (userID.toString() for userID in classroom.get('members'))
unless _.all(userIDs, (userID) -> _.contains classroomMembers, userID)
throw new errors.Forbidden('Users must be members of classroom')
ownsClassroom = classroom.get('ownerID').equals(req.user._id)
addingSelf = userIDs.length is 1 and userIDs[0] is req.user.id
unless ownsClassroom or addingSelf
throw new errors.Forbidden('You must own the classroom to add members')
# Only the enrolled users
users = yield User.find({ _id: { $in: userIDs }}).select('coursePrepaid coursePrepaidID') # TODO: remove coursePrepaidID once migrated
usersAreEnrolled = _.all((user.isEnrolled() for user in users))
course = yield Course.findById courseInstance.get('courseID')
throw new errors.NotFound('Course referenced by course instance not found') unless course
if not (course.get('free') or usersAreEnrolled)
throw new errors.PaymentRequired('Cannot add users to a course instance until they are added to a prepaid')
userObjectIDs = (mongoose.Types.ObjectId(userID) for userID in userIDs)
courseInstance = yield CourseInstance.findByIdAndUpdate(
courseInstance._id,
{ $addToSet: { members: { $each: userObjectIDs } } }
{ new: true }
)
userUpdateResult = yield User.update(
{ _id: { $in: userObjectIDs } },
{ $addToSet: { courseInstances: courseInstance._id } }
)
res.status(200).send(courseInstance.toObject({ req }))
fetchNextLevel: wrap (req, res) ->
unless req.user? then return res.status(200).send({})
levelOriginal = req.params.levelOriginal
unless database.isID(levelOriginal) then throw new errors.UnprocessableEntity('Invalid level original ObjectId')
sessionID = req.params.sessionID
unless database.isID(sessionID) then throw new errors.UnprocessableEntity('Invalid session ObjectId')
courseInstance = yield database.getDocFromHandle(req, CourseInstance)
unless courseInstance then throw new errors.NotFound('Course Instance not found.')
classroom = yield Classroom.findById courseInstance.get('classroomID')
unless classroom then throw new errors.NotFound('Classroom not found.')
currentLevel = yield Level.findOne({original: mongoose.Types.ObjectId(levelOriginal)}, {practiceThresholdMinutes: 1, type: 1})
unless currentLevel then throw new errors.NotFound('Current level not found.')
courseID = courseInstance.get('courseID')
courseLevels = []
courseLevels = course.levels for course in classroom.get('courses') or [] when courseID.equals(course._id)
classLanguage = classroom.get('aceConfig')?.language
_.remove(courseLevels, (level) -> level.primerLanguage is classLanguage) if classLanguage
# Get level completions and playtime
currentLevelSession = null
levelIDs = (level.original.toString() for level in courseLevels)
query = {$and: [{creator: req.user.id}, {'level.original': {$in: levelIDs}}]}
levelSessions = yield LevelSession.find(query, {level: 1, playtime: 1, state: 1})
levelCompleteMap = {}
for levelSession in levelSessions
currentLevelSession = levelSession if levelSession.id is sessionID
levelCompleteMap[levelSession.get('level')?.original] = levelSession.get('state')?.complete
unless currentLevelSession then throw new errors.NotFound('Level session not found.')
needsPractice = utils.needsPractice(currentLevelSession.get('playtime'), currentLevel.get('practiceThresholdMinutes'))
# Find next level
levels = []
currentIndex = -1
for level, index in courseLevels
currentIndex = index if level.original.toString() is levelOriginal
levels.push
practice: level.practice ? false
complete: levelCompleteMap[level.original?.toString()] or currentIndex is index
unless currentIndex >=0 then throw new errors.NotFound('Level original ObjectId not found in Classroom courses')
nextLevelIndex = utils.findNextLevel(levels, currentIndex, needsPractice)
nextLevelOriginal = courseLevels[nextLevelIndex]?.original
unless nextLevelOriginal then return res.status(200).send({})
# Return full Level object
dbq = Level.findOne({original: mongoose.Types.ObjectId(nextLevelOriginal)})
dbq.sort({ 'version.major': -1, 'version.minor': -1 })
dbq.select(parse.getProjectFromReq(req))
level = yield dbq
level = level.toObject({req: req})
res.status(200).send(level)
fetchClassroom: wrap (req, res) ->
courseInstance = yield database.getDocFromHandle(req, CourseInstance)
if not courseInstance
throw new errors.NotFound('Course Instance not found.')
classroom = yield Classroom.findById(courseInstance.get('classroomID')).select(parse.getProjectFromReq(req))
if not classroom
throw new errors.NotFound('Classroom not found.')
isOwner = classroom.get('ownerID')?.equals req.user?._id
isMember = _.any(classroom.get('members') or [], (memberID) -> memberID.equals(req.user.get('_id')))
if not (isOwner or isMember)
throw new errors.Forbidden('You do not have access to this classroom')
classroom = classroom.toObject({req: req})
res.status(200).send(classroom)
fetchCourse: wrap (req, res) ->
courseInstance = yield database.getDocFromHandle(req, CourseInstance)
if not courseInstance
throw new errors.NotFound('Course Instance not found.')
course = yield Course.findById(courseInstance.get('courseID')).select(parse.getProjectFromReq(req))
if not course
throw new errors.NotFound('Course not found.')
res.status(200).send(course.toObject({req: req}))
fetchRecent: wrap (req, res) ->
throw new errors.Unauthorized('You must be an administrator.') unless req.user?.isAdmin()
courses = yield Course.find({releasePhase: 'released'}).select({_id: 1}).lean()
courseIDs = (course._id for course in courses)
query = {$and: [{courseID: {$in: courseIDs}}, {name: {$ne: 'Single Player'}}, {hourOfCode: {$ne: true}}]}
query["$and"].push(_id: {$gte: objectIdFromTimestamp(req.body.startDay + "T00:00:00.000Z")}) if req.body.startDay?
query["$and"].push(_id: {$lt: objectIdFromTimestamp(req.body.endDay + "T00:00:00.000Z")}) if req.body.endDay?
courseInstances = yield CourseInstance.find(query, {courseID: 1, members: 1, ownerID: 1}).lean()
userIDs = []
for courseInstance in courseInstances
if members = courseInstance.members
userIDs.push(userID) for userID in members
users = yield User.find({_id: {$in: userIDs}, coursePrepaid: {$exists: true}}, {coursePrepaid: 1}).lean()
prepaidIDs = (user.coursePrepaid._id for user in users when user.coursePrepaid)
prepaids = yield Prepaid.find({_id: {$in: prepaidIDs}}, {properties: 1}).lean()
res.send({
courseInstances: courseInstances
students: users
prepaids: prepaids
})
fetchNonHoc: wrap (req, res) ->
throw new errors.Unauthorized('You must be an administrator.') unless req.user?.isAdmin()
query = {$and: [{name: {$ne: 'Single Player'}}, {hourOfCode: {$ne: true}}]}
courseInstances = yield CourseInstance.find(query, { members: 1, ownerID: 1}).lean()
res.status(200).send(courseInstances)