Created AbpValidationExceptionExtensions to simplify to throw validation exceptions

framework/src/Volo.Abp.Validation/Volo/Abp/Validation/HasValidationErrorsExtensions.cs

@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using JetBrains.Annotations;
+
+namespace Volo.Abp.Validation
+{
+    public static class HasValidationErrorsExtensions
+    {
+        public static TException WithValidationError<TException>([NotNull] this TException exception, [NotNull] ValidationResult validationError)
+            where TException : IHasValidationErrors
+        {
+            Check.NotNull(exception, nameof(exception));
+            Check.NotNull(validationError, nameof(validationError));
+
+            exception.ValidationErrors.Add(validationError);
+
+            return exception;
+        }
+
+        public static TException WithValidationError<TException>([NotNull] this TException exception, string errorMessage, params string[] memberNames)
+            where TException : IHasValidationErrors
+        {
+            var validationResult = memberNames.IsNullOrEmpty()
+                ? new ValidationResult(errorMessage)
+                : new ValidationResult(errorMessage, memberNames);
+
+            return exception.WithValidationError(validationResult);
+        }
+    }
+}