Sha256: d88cde050b21980eeca13bd09f51ced230567384e612eb5233ff3037a2942a97
Contents?: true
Size: 1009 Bytes
Versions: 11
Compression:
Stored size: 1009 Bytes
Contents
class TaxRate < ActiveRecord::Base
has_and_belongs_to_many :products
belongs_to :country
belongs_to :province
validates_presence_of :title, :rate, :country
validates_numericality_of :rate, :greater_than => 0.0
validate :unique_country_and_province
# the new ActiveAssociation stuff is teh bomb!
scope :by_country_and_province, -> { joins(:country).joins("LEFT OUTER JOIN provinces ON tax_rates.province_id = provinces.id").order('countries.title, provinces.title') }
# open up everything for mass assignment
attr_protected
protected
def unique_country_and_province
if self.id
tax_rates = TaxRate.where(["country_id = ? and province_id = ? and id != ?", self.country_id, self.province_id, self.id]).all
else
tax_rates = TaxRate.where(:country_id => self.country_id, :province_id => self.province_id).all
end
if tax_rates.size > 0
errors.add :base, "A tax rate already exists for this country and province"
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems