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85 lines
2.8 KiB
CoffeeScript
85 lines
2.8 KiB
CoffeeScript
Purchase = require './../models/Purchase'
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User = require '../models/User'
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Handler = require '../commons/Handler'
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{handlers} = require '../commons/mapping'
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mongoose = require 'mongoose'
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log = require 'winston'
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PurchaseHandler = class PurchaseHandler extends Handler
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modelClass: Purchase
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editableProperties: []
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postEditableProperties: ['purchased']
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jsonSchema: require '../../app/schemas/models/purchase.schema'
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makeNewInstance: (req) ->
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purchase = super(req)
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purchase.set 'purchaser', req.user._id
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purchase.set 'recipient', req.user._id
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purchase.set 'created', new Date().toISOString()
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purchase
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post: (req, res) ->
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purchased = req.body.purchased
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purchaser = req.user._id
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purchasedOriginal = purchased?.original
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Handler = require '../commons/Handler'
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return @sendBadInputError(res) if not Handler.isID(purchasedOriginal)
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collection = purchased?.collection
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return @sendBadInputError(res) if not collection in @jsonSchema.properties.purchased.properties.collection.enum
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handler = require('../' + handlers[collection])
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criteria = { 'original': purchasedOriginal }
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sort = { 'version.major': -1, 'version.minor': -1 }
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handler.modelClass.findOne(criteria).sort(sort).exec (err, purchasedItem) =>
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gemsOwned = req.user.get('earned')?.gems or 0
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return @sendDatabaseError(res, err) if err
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return @sendNotFoundError(res) unless purchasedItem
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return @sendBadInputError(res, 'This cannot be purchased.') if not cost = purchasedItem.get('gems')
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return @sendForbiddenError(res, 'Not enough gems.') if cost > req.user.gems()
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req.purchasedItem = purchasedItem # for safekeeping
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criteria = {
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'purchased.original': purchasedOriginal
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'recipient': purchaser
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}
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Purchase.findOne criteria, (err, purchase) =>
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if purchase
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@addPurchaseToUser(req, res)
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return @sendSuccess(res, @formatEntity(req, purchase))
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else
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super(req, res)
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onPostSuccess: (req) ->
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@addPurchaseToUser(req)
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req.user?.saveActiveUser 'purchase'
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addPurchaseToUser: (req) ->
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user = req.user
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purchased = user.get('purchased') or {}
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purchased = _.cloneDeep purchased
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item = req.purchasedItem
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group = switch item.get('kind')
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when 'Item' then 'items'
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when 'Hero' then 'heroes'
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else 'levels'
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original = item.get('original') + ''
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purchased[group] ?= []
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unless original in purchased[group]
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#- add the purchase to the list of purchases
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purchased[group].push(original+'')
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user.set('purchased', purchased)
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#- deduct the gems from the user
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spent = user.get('spent') ? 0
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spent += item.get('gems')
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user.set('spent', spent)
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user.save()
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module.exports = new PurchaseHandler()
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