Contents

class InvoiceItem < ActiveRecord::Base

	belongs_to 	:agreement
	belongs_to	:agreement_item_type
  belongs_to  :invoiceable_item, :polymorphic => true

	#This line of code connects the invoice to a polymorphic payment application.
	#The effect of this is to allow payments to be "applied_to" invoices
  has_many    :payment_applications, :as => :payment_applied_to, :dependent => :destroy do
    def pending
      all.select{|item| item.is_pending?}
    end
    def successful
      all.select{|item| item.financial_txn.has_captured_payment?}
    end
  end

  def has_payments?(status)
    selected_payment_applications = self.get_payment_applications(status)
    !(selected_payment_applications.nil? or selected_payment_applications.empty?)
  end
  
  def get_payment_applications(status=:all)
    case status.to_sym
    when :pending
      self.payment_applications.pending
    when :successful
      self.payment_applications.successful
    when :all
      self.payment_applications
    end
  end

  def total_amount
    (self.amount * self.quantity)
  end

   def total_payments
    self.get_payment_applications(:successful).sum{|item| item.money.amount}
  end

  def balance
    self.total_amount - self.total_payments
  end

end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
erp_invoicing-3.0.6	app/models/invoice_item.rb
erp_invoicing-3.0.5	app/models/invoice_item.rb
erp_invoicing-3.0.4	app/models/invoice_item.rb
erp_invoicing-3.0.3	app/models/invoice_item.rb
erp_invoicing-3.0.2	app/models/invoice_item.rb
erp_invoicing-3.0.1	app/models/invoice_item.rb