require 'open_food_network/products_cache'

class InventoryItem < ActiveRecord::Base
  attr_accessible :enterprise, :enterprise_id, :variant, :variant_id, :visible

  belongs_to :enterprise
  belongs_to :variant, class_name: "Spree::Variant"

  validates :variant_id, uniqueness: { scope: :enterprise_id }
  validates :enterprise_id, presence: true
  validates :variant_id, presence: true
  validates :visible, inclusion: { in: [true, false], message: I18n.t(:inventory_item_visibility_error) }

  scope :visible, -> { where(visible: true) }
  scope :hidden, -> { where(visible: false) }

  after_save :refresh_products_cache

  private

  def refresh_products_cache
    OpenFoodNetwork::ProductsCache.inventory_item_changed self
  end
end