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Versions: 19
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Contents
module Spree
class Promotion
module Rules
class NthOrder < PromotionRule
preference :nth_order, :integer, default: 2
# It does not make sense to have this apply to the first order using preferred_nth_order == 1
# Instead we could use the first_order rule
validates :preferred_nth_order, numericality: { only_integer: true, greater_than: 1 }
# This promotion is applicable to orders only.
def applicable?(promotable)
promotable.is_a?(Spree::Order)
end
# This is never eligible if the order does not have a user, and that user does not have any previous completed orders.
#
# Use the first order rule if you want a promotion to be applied to the first order for a user.
# @param order [Spree::Order]
# @option options
def eligible?(order, options = {})
return false unless order.user
nth_order?(order)
end
private
def completed_order_count order
order.
user.
orders.
complete.
where(Spree::Order.arel_table[:completed_at].lt(order.completed_at || Time.now)).
count
end
def nth_order? order
count = completed_order_count(order) + 1
count == preferred_nth_order
end
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems