Sha256: d9a6a8ae7fb9f5ed63153448b8d4a9a04bc050f24682a2e9e8d8558a7cc726f5
Contents?: true
Size: 842 Bytes
Versions: 8
Compression:
Stored size: 842 Bytes
Contents
class PromotionCredit < ::Adjustment
belongs_to :order
scope :with_order, :conditions => "order_id IS NOT NULL"
def calculate_adjustment
adjustment_source && calculate_coupon_credit
end
# Checks if credit is still applicable to order
# If source of adjustment is credit, it checks if it's still valid
def applicable?
adjustment_source && adjustment_source.eligible?(order) && super
end
# Calculates credit for the coupon.
#
# If coupon amount exceeds the order item_total, credit is adjusted.
#
# Always returns negative non positive.
def calculate_coupon_credit
return 0 if order.line_items.empty?
amount = adjustment_source.calculator.compute(order.line_items).abs
amount = order.item_total if amount > order.item_total
-1 * amount
end
def total
map(&:amount).sum
end
end
Version data entries
8 entries across 8 versions & 1 rubygems