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74 lines
2.7 KiB
CoffeeScript
74 lines
2.7 KiB
CoffeeScript
_ = require("underscore")
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logger = require('logger-sharelatex')
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User = require('../../models/User').User
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SubscriptionLocator = require "../Subscription/SubscriptionLocator"
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Settings = require "settings-sharelatex"
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module.exports = ReferalAllocator =
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allocate: (referal_id, new_user_id, referal_source, referal_medium, callback = ->)->
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if !referal_id?
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return logger.log new_user_id:new_user_id, "no referal for user"
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logger.log referal_id:referal_id, new_user_id:new_user_id, "allocating users referal"
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query = {"referal_id":referal_id}
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User.findOne query, (error, user) ->
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return callback(error) if error?
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return callback(new Error("user not found")) if !user? or !user._id?
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if referal_source == "bonus"
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User.update query, {
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$push:
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refered_users: new_user_id
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$inc:
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refered_user_count: 1
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}, {}, (err)->
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if err?
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logger.err err:err, referal_id:referal_id, new_user_id:new_user_id, "something went wrong allocating referal"
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return callback(err)
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ReferalAllocator.assignBonus user._id, callback
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else
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callback()
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assignBonus: (user_id, callback = (error) ->) ->
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query = _id: user_id
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User.findOne query, (error, user) ->
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return callback(error) if error
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return callback(new Error("user not found")) if !user?
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logger.log user_id: user_id, refered_user_count: user.refered_user_count, "assigning bonus"
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if user.refered_user_count? and user.refered_user_count > 0
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newFeatures = ReferalAllocator._calculateFeatures(user)
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if _.isEqual newFeatures, user.features
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return callback()
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User.update query, { $set: features: newFeatures }, callback
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else
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callback()
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_calculateFeatures : (user)->
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bonusLevel = ReferalAllocator._getBonusLevel(user)
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currentFeatures = _.clone(user.features) #need to clone because we exend with underscore later
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betterBonusFeatures = {}
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_.each Settings.bonus_features["#{bonusLevel}"], (bonusLevel, key)->
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currentLevel = user?.features?[key]
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if _.isBoolean(currentLevel) and currentLevel == false
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betterBonusFeatures[key] = bonusLevel
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if _.isNumber(currentLevel)
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if currentLevel == -1
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return
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bonusIsGreaterThanCurrent = currentLevel < bonusLevel
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if bonusIsGreaterThanCurrent or bonusLevel == -1
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betterBonusFeatures[key] = bonusLevel
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newFeatures = _.extend(currentFeatures, betterBonusFeatures)
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return newFeatures
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_getBonusLevel: (user)->
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highestBonusLevel = 0
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_.each _.keys(Settings.bonus_features), (level)->
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levelIsLessThanUser = level <= user.refered_user_count
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levelIsMoreThanCurrentHighest = level >= highestBonusLevel
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if levelIsLessThanUser and levelIsMoreThanCurrentHighest
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highestBonusLevel = level
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return highestBonusLevel
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