class Table
  include SimplyStored::Couch

  property :number, type: Fixnum, default: 1
  property :position_x, type: Float
  property :position_y, type: Float

  belongs_to :supplier
  belongs_to :section
  has_many :lists

  attr_protected :supplier_id

  validates :supplier_id, presence: true
  #validates :list_id, presence: true
  validates :number, numericality: {greater_than: 0}
  view :by_supplier_id_and_id, key: [:supplier_id, :_id]

  #validates_uniqueness_of :number
  #view :by_number, key: :number # For uniqueness validation

  def occupied?
    return @is_occupied if instance_variable_defined?(:'@is_occupied')
    @is_occupied = !self.class.database.view(List.active_by_table_id_view(key: id, reduce: true)).zero?
  end

  def active_list
    @active_list ||= self.class.database.view(List.active_by_table_id_view(key: id, include_docs: true, reduce: false, limit: 1)).try(:first)
  end

  def reserved?
    false
  end

  def name
    number
  end

end