Sha256: c9a54607993de7de2b2d47a225c8558f1030b9c49d12385466b774dcc69dd9e6
Contents?: true
Size: 865 Bytes
Versions: 36
Compression:
Stored size: 865 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)
end
best_promotion_adjustment.amount
else
BigDecimal.new('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
36 entries across 36 versions & 1 rubygems