Class: Spree::Promotion::Rules::Product

Inherits:
Spree::PromotionRule show all
Defined in:
app/models/spree/promotion/rules/product.rb

Overview

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.

Constant Summary collapse

MATCH_POLICIES = 
%w(any all none)

Instance Method Summary collapse

Methods inherited from Spree::PromotionRule

#eligibility_errors, for, #to_partial_path

Methods inherited from Base

display_includes

Methods included from Core::Permalinks

#generate_permalink, #save_permalink

Instance Method Details

#actionable?(line_item) ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'app/models/spree/promotion/rules/product.rb', line 59

def actionable?(line_item)
  case preferred_match_policy
  when 'any', 'all'
    product_ids.include? line_item.variant.product_id
  when 'none'
    product_ids.exclude? line_item.variant.product_id
  else
    raise "unexpected match policy: #{preferred_match_policy.inspect}"
  end
end

#applicable?(promotable) ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'app/models/spree/promotion/rules/product.rb', line 30

def applicable?(promotable)
  promotable.is_a?(Spree::Order)
end

#eligible?(order, _options = {}) ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'app/models/spree/promotion/rules/product.rb', line 34

def eligible?(order, _options = {})
  return true if eligible_products.empty?

  case preferred_match_policy
  when "all"
    unless eligible_products.all? { |product| order_products(order).include?(product) }
      eligibility_errors.add(:base, eligibility_error_message(:missing_product), error_code: :missing_product)
    end
  when "any"
    unless order_products(order).any? { |product| eligible_products.include?(product) }
      eligibility_errors.add(:base, eligibility_error_message(:no_applicable_products),
                             error_code: :no_applicable_products)
    end
  when "none"
    unless order_products(order).none? { |product| eligible_products.include?(product) }
      eligibility_errors.add(:base, eligibility_error_message(:has_excluded_product),
                             error_code: :has_excluded_product)
    end
  else
    raise "unexpected match policy: #{preferred_match_policy.inspect}"
  end

  eligibility_errors.empty?
end

#eligible_products ⇒ Object

scope/association that is used to test eligibility


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# File 'app/models/spree/promotion/rules/product.rb', line 26

def eligible_products
  products
end

#preload_relations ⇒ Object 


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# File 'app/models/spree/promotion/rules/product.rb', line 15

def preload_relations
  [:products]
end

#product_ids_string ⇒ Object 


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# File 'app/models/spree/promotion/rules/product.rb', line 70

def product_ids_string
  product_ids.join(',')
end

#product_ids_string=(product_ids) ⇒ Object 


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# File 'app/models/spree/promotion/rules/product.rb', line 74

def product_ids_string=(product_ids)
  self.product_ids = product_ids.to_s.split(',').map(&:strip)
end