[Authentication] Added logs for auth filter

Authentication/Business/AuthFilter.cs

 using System.Linq;
 using System.Web.Http;
 using System.Web.Http.Controllers;
+using iiie.Logs.DataAccess;
+using iiie.Logs.DBO;
 
 namespace iiie.Authentication.Business
 {
         /// <returns>True if user can access, false otherwise</returns>
         protected override bool IsAuthorized(HttpActionContext context)
         {
-            return !UserRoles.Any() || (UserStorage.BasicUserDbo != null && UserRoles.Contains(UserStorage.BasicUserDbo.Role));
+            if (!UserRoles.Any())
+                return true;
+            if (UserStorage.BasicUserDbo == null)
+            {
+                OpResult<bool>.Error(ResultStatus.PermissionError, "User is not recognized. Missing token?").Log();
+                return false;
+            }
+            if (!UserRoles.Contains(UserStorage.BasicUserDbo.Role))
+            {
+                OpResult<bool>.Error(ResultStatus.PermissionError, string.Format("User has role {0}, but only {1} are allowed",
+                    UserStorage.BasicUserDbo.Role, string.Join(",", UserRoles.Select(x => x.ToString())))).Log();
+                return false;
+            }
+            return true;
         }
     }
 }