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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
51 lines
1.7 KiB
CoffeeScript
51 lines
1.7 KiB
CoffeeScript
errors = require '../commons/errors'
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wrap = require 'co-express'
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database = require '../commons/database'
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mongoose = require 'mongoose'
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Campaign = require '../models/Campaign'
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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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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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course = yield database.getDocFromHandle(req, Course)
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if not course
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throw new errors.NotFound('Course Instance not found.')
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campaign = yield Campaign.findById course.get('campaignID')
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if not campaign
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throw new errors.NotFound('Campaign not found.')
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levels = _.values(campaign.get('levels'))
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levels = _.sortBy(levels, 'campaignIndex')
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nextLevelOriginal = null
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foundLevelOriginal = false
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for level, index in levels
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if level.original.toString() is levelOriginal
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foundLevelOriginal = true
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nextLevelOriginal = 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 that course')
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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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