Style: C# 12 Primary constructor

src/Web/Infrastructure/CustomExceptionHandler.cs

@@ -11,8 +11,8 @@ public class CustomExceptionHandler : IExceptionHandler
     public CustomExceptionHandler()
     {
         // Register known exception types and handlers.
-        _exceptionHandlers = new()
-            {
+        _exceptionHandlers = new Dictionary<Type, Func<HttpContext, Exception, Task>>
+        {
                 { typeof(ValidationException), HandleValidationException },
                 { typeof(NotFoundException), HandleNotFoundException },
                 { typeof(UnauthorizedAccessException), HandleUnauthorizedAccessException },
@@ -24,16 +24,14 @@ public class CustomExceptionHandler : IExceptionHandler
     {
         var exceptionType = exception.GetType();
 
-        if (_exceptionHandlers.ContainsKey(exceptionType))
-        {
-            await _exceptionHandlers[exceptionType].Invoke(httpContext, exception);
-            return true;
-        }
+        if (!_exceptionHandlers.TryGetValue(exceptionType, out Func<HttpContext, Exception, Task>? value)) return false;
+
+        await value.Invoke(httpContext, exception);
+        return true;
 
-        return false;
     }
 
-    private async Task HandleValidationException(HttpContext httpContext, Exception ex)
+    private static async Task HandleValidationException(HttpContext httpContext, Exception ex)
     {
         var exception = (ValidationException)ex;
 
@@ -46,7 +44,7 @@ public class CustomExceptionHandler : IExceptionHandler
         });
     }
 
-    private async Task HandleNotFoundException(HttpContext httpContext, Exception ex)
+    private static async Task HandleNotFoundException(HttpContext httpContext, Exception ex)
     {
         var exception = (NotFoundException)ex;
 
@@ -61,7 +59,7 @@ public class CustomExceptionHandler : IExceptionHandler
         });
     }
 
-    private async Task HandleUnauthorizedAccessException(HttpContext httpContext, Exception ex)
+    private static async Task HandleUnauthorizedAccessException(HttpContext httpContext, Exception ex)
     {
         httpContext.Response.StatusCode = StatusCodes.Status401Unauthorized;
 
@@ -73,7 +71,7 @@ public class CustomExceptionHandler : IExceptionHandler
         });
     }
 
-    private async Task HandleForbiddenAccessException(HttpContext httpContext, Exception ex)
+    private static async Task HandleForbiddenAccessException(HttpContext httpContext, Exception ex)
     {
         httpContext.Response.StatusCode = StatusCodes.Status403Forbidden;