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Contents
# A rule to limit a promotion based on products in the order.
# Can require all or any of the products to be present.
# Valid products either come from assigned product group or are assingned directly to the rule.
module Spree
class Promotion
module Rules
class Product < PromotionRule
has_and_belongs_to_many :products, :class_name => '::Spree::Product', :join_table => 'spree_products_promotion_rules', :foreign_key => 'promotion_rule_id'
validate :only_one_promotion_per_product
MATCH_POLICIES = %w(any all)
preference :match_policy, :string, :default => MATCH_POLICIES.first
# scope/association that is used to test eligibility
def eligible_products
products
end
def eligible?(order, options = {})
return true if eligible_products.empty?
if preferred_match_policy == 'all'
eligible_products.all? {|p| order.products.include?(p) }
else
order.products.any? {|p| eligible_products.include?(p) }
end
end
def product_ids_string
product_ids.join(',')
end
def product_ids_string=(s)
self.product_ids = s.to_s.split(',').map(&:strip)
end
private
def only_one_promotion_per_product
if Spree::Promotion::Rules::Product.all.map(&:products).flatten.uniq!
errors[:base] << "You can't create two promotions for the same product"
end
end
end
end
end
end
Version data entries
37 entries across 37 versions & 3 rubygems