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module Piggybak
class ShippingMethod < ActiveRecord::Base
has_many :shipping_method_values, :dependent => :destroy
alias :metadata :shipping_method_values
validates_presence_of :description
validates_presence_of :klass
accepts_nested_attributes_for :shipping_method_values, :allow_destroy => true
validates_each :shipping_method_values do |record, attr, value|
if record.klass.present?
calculator = record.klass.constantize
metadata_keys = value.collect { |v| v.key }.sort
if calculator::KEYS.sort != metadata_keys
if calculator::KEYS.empty?
record.errors.add attr, "You don't need any metadata for this method."
else
record.errors.add attr, "You must define key values for #{calculator::KEYS.join(', ')} for this shipping method."
end
end
end
end
def klass_enum
Piggybak.config.shipping_calculators
end
def self.available_methods(cart)
active_methods = ShippingMethod.find_all_by_active(true)
active_methods.select { |method| method.klass.constantize.available?(method, cart) }
end
def self.lookup_methods(cart)
active_methods = ShippingMethod.find_all_by_active(true)
active_methods.inject([]) do |arr, method|
klass = method.klass.constantize
if klass.available?(method, cart)
rate = klass.rate(method, cart)
arr << {
:label => "#{method.description} $#{"%.2f" % rate}",
:id => method.id,
:rate => rate }
end
arr
end
end
def admin_label
self.description
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems