promotion

app/models/promotion.rb

@@ -61,12 +61,15 @@ class Promotion < ApplicationRecord
        else
          give_promotion_second_product(orderitem[1], promo.min_qty, promo_product.item_code, orderitem, sale_id)
        end
+
      elsif promo.promo_type == Promotion::PROMO_TYPE2
         give_promotion_nett_off(same,promo_product,promo.min_qty, orderitem, sale_id)
+
      elsif promo.promo_type == Promotion::PROMO_TYPE3
-       # net price
+       give_promotion_nett_price(same,promo_product,promo.min_qty, orderitem, sale_id)
+
      elsif promo.promo_type == Promotion::PROMO_TYPE4
-       # Percentage
+       give_promotion_nett_price(same,promo_product,promo.min_qty, orderitem, sale_id)
      end
   end
 
@@ -125,7 +128,7 @@ class Promotion < ApplicationRecord
 
     sale_item = SaleItem.new
     sale_item.product_code = item.item_code
-    sale_item.product_name = item.item_name + "("+ type +")"
+    sale_item.product_name = item.item_name + "(promotion)"
     sale_item.product_alt_name = item.alt_name
     sale_item.account_id = item.account_id
     sale_item.remark = type
@@ -157,11 +160,37 @@ class Promotion < ApplicationRecord
   end
 
   def self.give_promotion_nett_price(same, promo_product, foc_min_qty, orderitem, sale_id)
+    puts " same: " + same.to_s + " promo_product: " + promo_product.item_code.to_s + " foc_min_qty: " + foc_min_qty.to_s + " orderitem: " + orderitem.to_s
 
+    if same
+      foc_qty = orderitem[1].to_i / foc_min_qty
+       item = OrderItem.find_by_item_code(orderitem[0])
+       price = item.price - promo_product.net_price
+       update_existing_item(foc_qty, item, sale_id, "promotion nett price", price)
+    else
+      foc_qty = find_second_item_qty(sale_id, promo_product.item_code)
+      item = OrderItem.find_by_item_code(promo_product.item_code)
+      price = item.price - promo_product.net_price
+      update_existing_item(foc_qty, item, sale_id, "promotion nett price", price)
+    end
   end
 
-  def self.give_promotion_discount()
+  def self.give_promotion_discount(same, promo_product, foc_min_qty, orderitem, sale_id)
-    
+    puts " same: " + same.to_s + " promo_product: " + promo_product.item_code.to_s + " foc_min_qty: " + foc_min_qty.to_s + " orderitem: " + orderitem.to_s
+
+    if same
+      foc_qty = orderitem[1].to_i / foc_min_qty
+       item = OrderItem.find_by_item_code(orderitem[0])
+       total = orderitem[1].to_i * item.price
+       price = calculate_discount(total, promo_product.percentage)
+       update_existing_item(foc_qty, item, sale_id, "promotion discount", price)
+    else
+      foc_qty = find_second_item_qty(sale_id, promo_product.item_code)
+      item = OrderItem.find_by_item_code(promo_product.item_code)
+      total = item.price * foc_qty
+      price = calculate_discount(total, promo_product.percentage)
+      update_existing_item(foc_qty, item, sale_id, "promotion discount", price)
+    end
   end
 
  def self.find_second_item_qty(sale_id, promo_item)
@@ -174,4 +203,7 @@ class Promotion < ApplicationRecord
    end
  end
 
+ def self.calculate_discount(total, discount)
+    self (total.to_i * discount.to_i) / 100
+ end
 end