[issue #139] client lookup and stats api

WebfrontCore/Controllers/API/Validation/FindClientRequestValidator.cs

@@ -0,0 +1,33 @@
+using FluentValidation;
+using SharedLibraryCore.Database.Models;
+using SharedLibraryCore.Dtos;
+
+namespace WebfrontCore.Controllers.API.Validation
+{
+    /// <summary>
+    /// validator for FindClientRequest
+    /// </summary>
+    public class FindClientRequestValidator : AbstractValidator<FindClientRequest>
+    {
+        public FindClientRequestValidator()
+        {
+            RuleFor(_request => _request.Name)
+                .NotEmpty()
+                .When(_request => string.IsNullOrEmpty(_request.Xuid));
+
+            RuleFor(_request => _request.Name)
+                .MinimumLength(EFAlias.MIN_NAME_LENGTH)
+                .MaximumLength(EFAlias.MAX_NAME_LENGTH);
+
+            RuleFor(_request => _request.Xuid)
+                .NotEmpty()
+                .When(_request => string.IsNullOrEmpty(_request.Name));
+
+            RuleFor(_request => _request.Count)
+                .InclusiveBetween(1, 100);
+
+            RuleFor(_request => _request.Offset)
+               .GreaterThanOrEqualTo(0);
+        }
+    }
+}