Updated quickstart tutorial to use Microsoft Extensions Logging (#6860)

* Updated quickstart tutorial to use Microsoft Extensions Logging

* block based namespace

Author: poornimanayar

tutorials/quickstart/Solution/Billing/OrderPlacedHandler.cs

@@ -1,19 +1,24 @@
 using System.Threading.Tasks;
 using Messages;
+using Microsoft.Extensions.Logging;
 using NServiceBus;
-using NServiceBus.Logging;
 
 namespace Billing
 {
 
     public class OrderPlacedHandler :
         IHandleMessages<OrderPlaced>
     {
-        static readonly ILog log = LogManager.GetLogger<OrderPlacedHandler>();
+        private readonly ILogger<OrderPlacedHandler> logger;
+
+        public OrderPlacedHandler(ILogger<OrderPlacedHandler> logger)
+        {
+            this.logger = logger;
+        }
 
         public Task Handle(OrderPlaced message, IMessageHandlerContext context)
         {
-            log.Info($"Billing has received OrderPlaced, OrderId = {message.OrderId}");
+            logger.LogInformation("Billing has received OrderPlaced, OrderId = {orderId}", message.OrderId);
             return Task.CompletedTask;
         }
     }

tutorials/quickstart/Solution/Sales/PlaceOrderHandler.cs

@@ -1,20 +1,25 @@
 using System;
 using System.Threading.Tasks;
 using Messages;
+using Microsoft.Extensions.Logging;
 using NServiceBus;
-using NServiceBus.Logging;
 
 namespace Sales
 {    
     public class PlaceOrderHandler :
         IHandleMessages<PlaceOrder>
     {
-        static readonly ILog log = LogManager.GetLogger<PlaceOrderHandler>();
         static readonly Random random = new Random();
+        private readonly ILogger<PlaceOrderHandler> logger;
 
-        public Task Handle(PlaceOrder message, IMessageHandlerContext context)
+        public PlaceOrderHandler(ILogger<PlaceOrderHandler> logger)
         {
-            log.Info($"Received PlaceOrder, OrderId = {message.OrderId}");
+            this.logger = logger;
+        }        
+
+         public Task Handle(PlaceOrder message, IMessageHandlerContext context)
+        {
+            logger.LogInformation("Received PlaceOrder, OrderId = {orderId}",  message.OrderId);
 
             // This is normally where some business logic would occur
 
@@ -36,7 +41,7 @@ public Task Handle(PlaceOrder message, IMessageHandlerContext context)
                 OrderId = message.OrderId
             };
 
-            log.Info($"Publishing OrderPlaced, OrderId = {message.OrderId}");
+            logger.LogInformation("Publishing OrderPlaced, OrderId = {orderId}", message.OrderId);
 
             return context.Publish(orderPlaced);
         }