show and update changes in commission and report

app/models/product_commission.rb

@@ -5,14 +5,42 @@ class ProductCommission < ApplicationRecord
   belongs_to :sale_item, foreign_key: 'sale_item_id'
   belongs_to :sale, foreign_key: 'sale_id'
 
+  def self.create_product_commission(saleItemObj)
+  end
+
+  def self.edit_product_commission(saleItemObj)
+    menu_item = MenuItem.find_by_item_code(saleItemObj.product_code)
+    commission = Commission.where('product_code = ? AND is_active = ?', menu_item.id, true).take
+    product_commission = ProductCommission.where('sale_item_id = ?', saleItemObj.id).take
+
+    return if commission.nil?
+    product_commission.qty = saleItemObj.qty
+    if commission.commission_type == 'Percentage'
+      product_commission.price = saleItemObj.unit_price * (commission.amount / 100.0)
+      product_commission.amount = product_commission.price * saleItemObj.qty
+    elsif commission.commission_type == 'Net Amount'
+      product_commission.price = commission.amount
+      product_commission.amount = product_commission.price * saleItemObj.qty
+    end
+    product_commission.save
+    puts 'Edit Product Commission Success'
+  end
+
+  def self.remove_product_commission(sale_item_id)
+    transaction = ProductCommission.find_by_sale_item_id(sale_item_id)
+    return if transaction.nil?
+    transaction.destroy
+    puts 'Remove Product Commission Success'
+  end
+
   def self.get_transaction(from, to, commissioner)
-    transaction = self.all
+    transaction = all
     if !from.nil? && !to.nil?
       transaction = transaction.where('updated_at between ? and ?', from, to)
     end
     if commissioner != 0
       transaction = transaction.where(commissioner_id: commissioner)
     end
-    return transaction
+    transaction
   end
 end