new init api and start auth

uWine.Core.Infrastructure/Services/AuthenticationService.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using uWine.Core.Domain.Entities;
+using uWine.Core.Domain.Repositories;
+
+namespace uWine.Core.Infrastructure.Services
+{
+    public class AuthenticationService
+    {
+        readonly IAuthenticationRepository _authenticationRepository;
+
+        public AuthenticationService(IAuthenticationRepository authenticationRepository)
+        {
+            _authenticationRepository = authenticationRepository;
+        }
+
+        public bool IsAuthenticated(User user)
+        {
+            return _authenticationRepository.Valid(user);
+        }
+    }
+}