Implemented service bus handling of emails and notification processing

LiteCharms.Infrastructure/LiteCharms.Infrastructure.csproj

@@ -89,10 +89,11 @@
     <ProjectReference Include="..\LiteCharms.Models\LiteCharms.Models.csproj" />
   </ItemGroup>
 
-  <!-- Global Usings -->
+  <!-- Global Shared Usings -->
   <ItemGroup>
     <Using Include="System.Text.Json" />
     <Using Include="Microsoft.Extensions.Hosting" />
+    <Using Include="Microsoft.Extensions.Logging" />
   </ItemGroup>
   
   <ItemGroup>

LiteCharms.Infrastructure/ServiceBus/Exchanges/EmailExchange.cs

@@ -2,11 +2,36 @@
 
 namespace LiteCharms.Infrastructure.ServiceBus.Exchanges;
 
-public class EmailExchange(EmailQueue messages) : BackgroundService
+public class EmailExchange(EmailQueue messages, ILogger<EmailExchange> logger, IPublisher mediator) : BackgroundService
 {
     protected override async Task ExecuteAsync(CancellationToken stoppingToken)
     {
-        if(messages.Incoming.CanCount)
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            while (messages.Incoming.TryRead(out var message))
+            {
+                try
+                {
+                    switch (message.Name)
+                    {
+                        case "SendShopEmailEnquiryEvent": 
+                            await mediator.Publish(message, stoppingToken); 
+                            break;
+                        case "ProcessEmailNotificationsEvent":
+                            await mediator.Publish(message, stoppingToken);
+                            break;
+                        default:
+                            logger.LogWarning("Unsupported email event {Event}", message.Name);
+                            break;
+                    }
+                }
+                catch (Exception ex)
+                {
+                    logger.LogError(ex, ex.Message);
+                }
+            }
+
             await Task.Delay(1000, stoppingToken);
+        }
     }
 }