Class: InvoicePayment

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
MoneyModelHelper
Defined in:
app/models/invoice_payment.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from MoneyModelHelper

append_features

Class Method Details

.quick_create!(invoice_id, payment_id, amount) ⇒ Object

This is just to make the code a little easier to type/read. Its a create!, just without all the option verbosity. Note: We accept either and invoice object or invoice_id, and either a payment object or payment_id



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# File 'app/models/invoice_payment.rb', line 24

def self.quick_create!(invoice_id, payment_id, amount)    
  InvoicePayment.create!(
    :invoice_id => (invoice_id.class == Invoice) ? invoice_id.id : invoice_id, 
    :payment_id => (payment_id.class == Payment) ? payment_id.id : payment_id, 
    :amount     => amount.to_money
  )
end

Instance Method Details

#amount_not_greater_than_payment_or_invoice_totals ⇒ Object

Here, we verify that newly created and/or updated InvoicePayments, won’t have an amount which adds up to a greater value than would be possible for the associated invoice or payment



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# File 'app/models/invoice_payment.rb', line 34

def amount_not_greater_than_payment_or_invoice_totals
  conditions_fields = []
  conditions_values = []    

  # If we're updating an existing payment, it gets a little more complicated:
  if id
    conditions_fields << 'id != ?'
    conditions_values << id
  end
  
  errors.add :amount, "exceeds the payment's remainder amount" if payment_id and payment.amount < (
    Money.new(
      InvoicePayment.sum(
        :amount_in_cents, 
        :conditions => [(conditions_fields+['payment_id = ?']).join(' AND ')]+conditions_values+[payment_id] 
      ).to_i
    ) + amount)

  # This could act flaky on you if you didn't specify activities for your invoice at creation time (and did specify invoice_payments)
  # this , b/c we're checking the invoice amount below and unlike payments, invoices have no amount field
   errors.add :amount, "exceeds the invoice's remainder balance" if invoice_id and invoice.amount < (
    Money.new(
      InvoicePayment.sum(
        :amount_in_cents, 
        :conditions => [(conditions_fields+['invoice_id = ?']).join(' AND ')]+conditions_values+[invoice_id] 
      ).to_i
    ) + amount)
end

#label ⇒ Object 



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# File 'app/models/invoice_payment.rb', line 18

def label
  '%s @ (Invoice %d, Payment %d)' % [amount.format, invoice.id,payment.id ]
end

#validate_invoice_is_published ⇒ Object

Ensure the assigned invoice is_published, otherwise, we shouldn’t be able to mark it paid



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# File 'app/models/invoice_payment.rb', line 14

def validate_invoice_is_published
  errors.add :invoice, "can't be assigned to an unpublished invoice" if invoice and !invoice.is_published
end