Sha256: bf6fe43219a167783767b33c15a2a9cea36912f5456fdeff2916daa5b4ccf42d
Contents?: true
Size: 729 Bytes
Versions: 9
Compression:
Stored size: 729 Bytes
Contents
class TaxRate < ActiveRecord::Base
belongs_to :zone
belongs_to :tax_category
validates :amount, :presence => true, :numericality => true
calculated_adjustments
scope :by_zone, lambda { |zone| where("zone_id = ?", zone)}
# Searches all possible TaxRates and returns the Zone which represents the most appropriate match (if any.)
# To be considered for a match, the Zone must include the supplied address. If multiple matches are
# found, the Zone with the highest rate will be returned. This method will return +nil+ if no match is found.
def self.match(address)
matching_rates = TaxRate.all.select { |rate| rate.zone.include? address }
matching_rates.max { |a, b| a.amount <=> b.amount }
end
end
Version data entries
9 entries across 9 versions & 1 rubygems