Add project files.

Core.Blueprint.Service.UseCases/GetSampleItems/Validator/GetSampleItemValidator.cs

@@ -0,0 +1,16 @@
+using Core.Blueprint.Service.UseCases.GetSampleItems.Input;
+using FluentValidation;
+using System.Diagnostics.CodeAnalysis;
+
+namespace Core.Blueprint.Service.UseCases.GetSampleItems.Validator
+{
+    [ExcludeFromCodeCoverage]
+    public class GetSampleItemValidator : AbstractValidator<GetSampleItemsRequest>
+    {
+        public GetSampleItemValidator()
+        {
+            RuleFor(i => i.NumValue).GreaterThanOrEqualTo(0).LessThanOrEqualTo(100).WithMessage("Should be between 0 and 100.");
+            RuleFor(i => i.TestName).NotNull().NotEmpty().WithMessage("Is required.");
+        }
+    }
+}