mongoose = require 'mongoose' config = require '../../server_config' PrepaidSchema = new mongoose.Schema { creator: mongoose.Schema.Types.ObjectId }, {strict: false, minimize: false,read:config.mongo.readpref} PrepaidSchema.index({code: 1}, { unique: true }) PrepaidSchema.index({'redeemers.userID': 1}) PrepaidSchema.statics.generateNewCode = (done) -> tryCode = -> code = _.sample("abcdefghijklmnopqrstuvwxyz0123456789", 8).join('') Prepaid.findOne code: code, (err, prepaid) -> return done() if err return done(code) unless prepaid tryCode() tryCode() PrepaidSchema.pre('save', (next) -> @set('exhausted', @get('maxRedeemers') <= _.size(@get('redeemers'))) if not @get('code') Prepaid.generateNewCode (code) => @set('code', code) next() else next() ) PrepaidSchema.post 'init', (doc) -> doc.set('maxRedeemers', parseInt(doc.get('maxRedeemers'))) PrepaidSchema.statics.postEditableProperties = [ 'creator', 'maxRedeemers', 'properties', 'type' ] module.exports = Prepaid = mongoose.model('prepaid', PrepaidSchema)