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module Comee
module Core
class CreditNote < ApplicationRecord
before_validation :generate_credit_note_no, if: proc { |note| note.credit_note_no.nil? }
after_save :update_amount_credited, if: proc { |note| note.approved? }
belongs_to :invoice
has_many :credit_note_items
has_many :credit_note_additional_items
enum :status, {draft: 0, approved: 1, issued: 2}
validates :credit_note_no, presence: true, uniqueness: true
validates :status, presence: true
validates :total_price, numericality: {greater_than_or_equal_to: 0, allow_nil: true}
validate :validate_total_price
def calculate_total_price
self.total_price = calculate_total
end
def calculate_total
items = CreditNoteItem.where(credit_note_id: id)
additionals = CreditNoteAdditionalItem.where(credit_note_id: id)
(items.sum(:total_price) + additionals.sum(:total_price)).round(2)
end
def generate_credit_note_no
year = Date.current.year.to_s
self.credit_note_no = Util.generate_number("CreditNote", "credit_note_no", year, "-", 100001)
end
def update_amount_credited
invoice.amount_credited = invoice.calculate_amount_credited
invoice.save!
end
def validate_total_price
return unless total_price && invoice
balance = invoice.total_price - invoice.amount_paid
errors.add(:total_price, "exceeds invoice unpaid amount") if total_price > balance
end
def self.ransackable_attributes(_auth_object = nil)
%w[
id
invoice_id
credit_note_no
created_at
status
]
end
def self.ransackable_associations(_auth_object = nil)
["invoice"]
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems