Sha256: 8f0478a1e46156db1e9f525db5166d33c4ff913f4676a01699f90baef57e781d
Contents?: true
Size: 887 Bytes
Versions: 6
Compression:
Stored size: 887 Bytes
Contents
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 |a|
[a.amount, -a.id]
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems