diff --git a/app/models/price_line.rb b/app/models/price_line.rb
index 1dabff0..0eba34d 100644
--- a/app/models/price_line.rb
+++ b/app/models/price_line.rb
@@ -3,6 +3,12 @@ class PriceLine < ApplicationRecord
   belongs_to :p_product
   belongs_to :p_product_ref
   belongs_to :p_product_power
+  has_many :price_line_resp_selects, :foreign_key => :price_line_demand
+  has_many :price_line_resps, through: :price_line_resp_selects, :source => :price_line_resp
+
+
+  #has_many :price_line_demands, through: :price_line_resp_selects
+
   default_scope { order('position ASC') }
   
   validates :p_product_ref_id, :presence => true, :if => :p_product_ref_needed?