codecombat/server/middleware/named.coffee
2016-02-22 16:03:21 -08:00

31 lines
1.1 KiB
CoffeeScript

utils = require '../lib/utils'
errors = require '../commons/errors'
wrap = require 'co-express'
Promise = require 'bluebird'
module.exports =
names: (Model, options={}) -> wrap (req, res) ->
# TODO: migrate to /db/collection?ids=...&project=... and /db/collection?originals=...&project=...
ids = req.query.ids or req.body.ids
ids = ids.split(',') if _.isString ids
ids = _.uniq ids
# Hack: levels loading thang types need the components returned as well.
# Need a way to specify a projection for a query.
project = {name: 1, original: 1, kind: 1, components: 1, prerenderedSpriteSheetData: 1}
sort = if Model.schema.uses_coco_versions then {'version.major': -1, 'version.minor': -1} else {}
for id in ids
if not utils.isID(id)
throw new errors.UnprocessableEntity('Invalid MongoDB id given')
ids = (mongoose.Types.ObjectId(id) for id in ids)
promises = []
for id in ids
q = if Model.schema.uses_coco_versions then { original: id } else { _id: id }
promises.push Model.findOne(q).select(project).sort(sort).exec()
documents = yield promises
res.status(200).send(documents)