API login/logout with http header token

app/models/dining_facility.rb

@@ -1,6 +1,17 @@
 class DiningFacility < ApplicationRecord
   belongs_to :zone
 
+  default_scope { order('order_by asc') }
+
   scope :active, -> {where(is_active: true)}
 
+  def get_current_booking
+    booking = Booking.where("dining_facility_id = #{self.id} and booking_status ='occupied' and checkin_at between '#{DateTime.now.utc - 5.hours}' and '#{DateTime.now.utc}' and checkout_at is null").limit(1)
+
+    if booking.count > 0 then
+      return booking[0]
+    else
+      return nil
+    end
+  end
 end