class DonatorTransaction < ActiveRecord::Base
  belongs_to :donator
  belongs_to :recurrent_payment
  belongs_to :tr_occasion
  belongs_to :tr_activity
  
  #has_many :particulars, :as => :owner
  
  belongs_to :particular_bill, :class_name => "Particular"
  
  accepts_nested_attributes_for :particular_bill
  
  belongs_to :particular_send, :class_name => "Particular"
  
  accepts_nested_attributes_for :particular_send
  
  BANK_ACCOUNT = ["Crédit coopératif", "La banque postale"]
  
  has_one :tr_payment
  accepts_nested_attributes_for :tr_payment
  
  has_one :tr_payment_type, :through => :tr_payment
  
  has_many :transaction_items
  accepts_nested_attributes_for :transaction_items
  
  
  has_one :generated_recurrent_payment, :foreign_key => :origine_transaction_id, :class_name => "RecurrentPayment"
  accepts_nested_attributes_for :generated_recurrent_payment
  def total
    self.transaction_items.sum(:amount)
  end
  before_create do
    self.generated_recurrent_payment = RecurrentPayment.new()
    update_recurrent_payment()
  end
  before_update do
    update_recurrent_payment()
  end
  
  def update_recurrent_payment
    if self.recurrent
      self.generated_recurrent_payment.active = true
      self.generated_recurrent_payment.start_at = self.tr_payment.paid_at
    else
      self.generated_recurrent_payment.active = false
      self.generated_recurrent_payment.start_at = nil
    end
  end
  
  
  def valid_particulars?
    
    true if self.particular_bill.valid? and particular_send.valid?
  
    
  end
  
  def tr_payment_type_id
    self.tr_payment_type.id if self.tr_payment_type
  end
  
  

  
  
end