Sha256: 8dc6c25f9ec199c67e69e75634c4d4a566bb21e47fba6a45e45e257fab214aa2
Contents?: true
Size: 945 Bytes
Versions: 90
Compression:
Stored size: 945 Bytes
Contents
# frozen_string_literal: true
module Spree
class PromotionChooser
def initialize(adjustments)
@adjustments = adjustments
end
# Picks the best promotion from this set of adjustments, all others are
# marked as ineligible.
#
# @return [BigDecimal] The amount of the best adjustment
def update
if best_promotion_adjustment
@adjustments.select(&:eligible?).each do |adjustment|
next if adjustment == best_promotion_adjustment
adjustment.update_columns(eligible: false, updated_at: Time.current)
end
best_promotion_adjustment.amount
else
BigDecimal('0')
end
end
private
# @return The best promotion from this set of adjustments.
def best_promotion_adjustment
@best_promotion_adjustment ||= @adjustments.select(&:eligible?).min_by do |adjustment|
[adjustment.amount, -adjustment.id]
end
end
end
end
Version data entries
90 entries across 90 versions & 2 rubygems