Sha256: fcf13b668a6ca5eba63447fefd2222e37a73cc7069b80978dc708742a3185fc7
Contents?: true
Size: 1005 Bytes
Versions: 17
Compression:
Stored size: 1005 Bytes
Contents
require_dependency 'spree/calculator'
module Spree
class Calculator::TieredFlatRate < Calculator
preference :base_amount, :decimal, default: 0
preference :tiers, :hash, default: {}
before_validation do
# Convert tier values to decimals. Strings don't do us much good.
if preferred_tiers.is_a?(Hash)
self.preferred_tiers = Hash[*preferred_tiers.flatten.map(&:to_f)]
end
end
validate :preferred_tiers_content
def self.description
Spree.t(:tiered_flat_rate)
end
def compute(object)
_base, amount = preferred_tiers.sort.reverse.detect{ |b, _| object.amount >= b }
amount || preferred_base_amount
end
private
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
17 entries across 17 versions & 1 rubygems