menu and menu_category

app/controllers/api/restaurant/seat_tables_controller.rb

@@ -0,0 +1,5 @@
+class Api::Restaurant::SeatTablesController < ActionController::API
+  def index
+      render json: SeatTable.order("order_by")
+  end
+end

app/models/menu.rb

@@ -0,0 +1,6 @@
+class Menu < ApplicationRecord
+  has_many :menu_categories, dependent: :destroy
+
+  validates_presence_of :name,:is_active, :valid_days, :valid_time_from, :valid_time_to
+
+end

app/models/menu_category.rb

@@ -0,0 +1,5 @@
+class MenuCategory < ApplicationRecord
+  belongs_to :menu
+
+  validates_presence_of :name
+end

app/models/room.rb

@@ -0,0 +1,6 @@
+class Room < ApplicationRecord
+  belongs_to :zone
+
+  validates_presence_of :name,:seater, :order_by, :created_by, :is_active
+
+end

app/models/zone.rb

@@ -1,6 +1,7 @@
 class Zone < ApplicationRecord
   # model association
  has_many :seat_tables, dependent: :destroy
+ has_many :rooms, dependent: :destroy
 
  # validations
  validates_presence_of :name, :created_by