Files
RootPanel/core/billing.coffee
2014-09-12 09:28:04 +08:00

117 lines
3.4 KiB
CoffeeScript

{config, plan} = app
{mAccount, mBalance} = app.models
exports.cyclicalBilling = (callback) ->
mAccount.find
'attribute.plans.0':
$exists: true
.toArray (err, accounts) ->
async.each accounts, (account, callback) ->
exports.triggerBilling account, ->
callback()
, ->
callback()
exports.cyclicalBilling ->
setInterval ->
exports.cyclicalBilling ->
, config.billing.billing_cycle
# @param callback(account)
exports.triggerBilling = (account, callback) ->
forceLeaveAllPlans = (callback) ->
async.eachSeries account.billing.plans, (plan_name, callback) ->
mAccount.findOne {_id: account._id}, (err, account) ->
plan.leavePlan account, plan_name, callback
, ->
mAccount.findOne {_id: account._id}, (err, account) ->
callback account
is_force = do ->
if account.attribute.balance < config.billing.force_freeze.when_balance_below
return true
if Date.now() > account.attribute.arrears_at.getTime() + config.billing.force_freeze.when_arrears_above
return true
return false
async.each account.billing.plans, (plan_name, callback) ->
exports.generateBilling account, plan_name, is_force, (result) ->
callback null, result
, (err, result) ->
result = _.compact result
if _.isEmpty result
return callback account
modifier =
$set: {}
$inc:
'billing.balance': 0
for item in result
modifier.$set["billing.last_billing_at.#{item.name}"] = item.last_billing_at
modifier.$inc['billing.balance'] += item.amount_inc
if account.billing.balance > 0
if account.billing.arrears_at
modifier.$set['billing.arrears_at'] = null
else if account.billing.balance < 0
unless account.billing.arrears_at
modifier.$set['billing.arrears_at'] = new Date()
mAccount.findAndModify {_id: account._id}, null, modifier, {new: true}, (err, account) ->
mBalance.create account, 'billing', modifier.$inc['billing.balance'],
plans: _.indexBy result, 'name'
, ->
if is_force
return forceLeaveAllPlans callback
else
callback account
exports.generateBilling = (account, plan_name, is_force, callback) ->
plan_info = config.plans[plan_name]
unless plan_info.billing_by_time
return callback()
last_billing_at = account.billing.last_billing_at[plan_name]
if last_billing_at
next_billing_at = new Date last_billing_at.getTime() + plan_info.billing_by_time.unit * plan_info.billing_by_time.min_billing_unit
else
last_billing_at = new Date()
unless last_billing_at and next_billing_at > new Date()
return callback()
billing_unit_count = (Date.now() - last_billing_at.getTime()) / plan_info.billing_by_time.unit
if is_force
billing_unit_count = Math.ceil billing_unit_count
new_last_billing_at = new Date()
else
billing_unit_count = Math.floor billing_unit_count
new_last_billing_at = new Date last_billing_at.getTime() + billing_unit_count * plan_info.billing_by_time.unit
amount = billing_unit_count * plan_info.billing_by_time.price
callback
name: plan_name
billing_unit_count: billing_unit_count
last_billing_at: new_last_billing_at
amount_inc: -amount
exports.calcResourcesLimit = (plans) ->
limit = {}
for plan_name in plans
if config.plans[plan_name].resources
for k, v of config.plans[plan_name].resources
limit[k] ?= 0
limit[k] += v
return limit