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Versions: 95
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Contents
# frozen_string_literal: true
require_dependency 'spree/calculator'
module Spree
class Calculator::TieredPercent < Calculator
preference :base_percent, :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 |key, value|
[cast_to_d(key.to_s), cast_to_d(value.to_s)]
end.to_h
end
end
validates :preferred_base_percent, numericality: {
greater_than_or_equal_to: 0,
less_than_or_equal_to: 100
}
validate :preferred_tiers_content
def compute(object)
order = object.is_a?(Order) ? object : object.order
_base, percent = preferred_tiers.sort.reverse.detect do |value, _|
order.item_total >= value
end
if preferred_currency.casecmp(order.currency).zero?
currency_exponent = ::Money::Currency.find(preferred_currency).exponent
(object.amount * (percent || preferred_base_percent) / 100).round(currency_exponent)
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?{ |key| key.is_a?(Numeric) && key > 0 }
errors.add(:base, :keys_should_be_positive_number)
end
unless preferred_tiers.values.all?{ |key| key.is_a?(Numeric) && key >= 0 && key <= 100 }
errors.add(:base, :values_should_be_percent)
end
else
errors.add(:preferred_tiers, :should_be_hash)
end
end
end
end
Version data entries
95 entries across 95 versions & 2 rubygems