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Versions: 43
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Contents
# frozen_string_literal: true
require_dependency 'spree/calculator'
module Spree
class Calculator::TieredFlatRate < Calculator
preference :base_amount, :decimal, default: 0
preference :tiers, :hash, default: {}
preference :currency, :string, default: -> { Spree::Config[:currency] }
before_validation do
# Convert tier values to decimals. Strings don't do us much good.
if preferred_tiers.is_a?(Hash)
self.preferred_tiers = preferred_tiers.map do |k, v|
[cast_to_d(k.to_s), cast_to_d(v.to_s)]
end.to_h
end
end
validate :preferred_tiers_content
def compute(object)
_base, amount = preferred_tiers.sort.reverse.detect do |b, _|
object.amount >= b
end
if preferred_currency.casecmp(object.currency).zero?
amount || preferred_base_amount
else
0
end
end
private
def cast_to_d(value)
value.to_s.to_d
rescue ArgumentError
BigDecimal(0)
end
def preferred_tiers_content
if preferred_tiers.is_a? Hash
unless preferred_tiers.keys.all?{ |k| k.is_a?(Numeric) && k > 0 }
errors.add(:base, :keys_should_be_positive_number)
end
else
errors.add(:preferred_tiers, :should_be_hash)
end
end
end
end
Version data entries
43 entries across 43 versions & 2 rubygems