order api - WIP & db structure change

app/models/order.rb

@@ -1,12 +1,86 @@
 class Order < ApplicationRecord
   before_create :set_order_date
+  before_save :update_products_and_quantity_count
+
   belongs_to :customer
   has_many :order_items, inverse_of: :order
   has_many :dining_ins
 
+  #internal references attributes for business logic control
+  attr_accessor :items, :guest, :table_id, :new_booking, :booking_type
+
+
+  #Main Controller method to create new order - validate all inputs and generate new order
+  # order_item : {
+  #     order_item_code : "",
+  #     item_instance_code : "",
+  #     quantity : 0,
+  #     option_values : [],
+  #     sub_order_items : [],
+  # }
+  def generate
+    if self.new_booking
+      booking = Booking.create({:dining_facility_id => :table_id, })
+
+      self.adding_line_items
+      self.save!
+    else
+
+
+      booking = Booking.find(self.booking_id)
+      #Add Order Table and Room relation afrer order creation
+      if booking.type = "Table"
+        #add to table_booking_order
+        tbo = TableBookingOrder.create({:table_booking => booking, :order => self})
+      elsif booking.type = "Room"
+        #add to room_booking_order
+        rbo = RoomBookingOrder.create({:table_booking => booking, :order => self})
+      end
+
+    end
+
+  end
+
+  #Main Method - to update order / add items
+  def modify
+
+  end
 
   private
+  def validate_api_inputs
+
+  end
+
+  def adding_line_items
+
+    if self.items
+      #loop to add all items to order
+      self.items.each do |item|
+        self.order_items.add( OrderItem.processs_item(item) )
+      end
+    else
+      self.errors.add(:order_items, :blank, message: "Order items cannot be blank")
+    end
+
+  end
+
   def set_order_date
     self.date = Time.now.utc
   end
+
+  #Update Items Count and Quantity changes whenever there is changes
+  def update_products_and_quantity_count
+    item_count = 0
+    quantity_count = 0
+    # Count number of different items
+    self.item_count = item_count
+    self.quantity_count = quantity_count
+    # Counter number of quantity
+  end
+
+  #Process order items and send to order queue
+  def process_order_queue
+    #Send to background job for processing
+    OrderQueueProcessorJob.perform_later(:order_id => self.id)
+  end
 end