list of authorities, changing authority auth data

SchengenVisaApi/ApplicationLayer/Services/Users/Requests/Validation/ChangeUserAuthDataRequestValidator.cs

@@ -0,0 +1,21 @@
+using Domains;
+using FluentValidation;
+
+namespace ApplicationLayer.Services.Users.Requests.Validation
+{
+    public class ChangeUserAuthDataRequestValidator : AbstractValidator<ChangeUserAuthDataRequest>
+    {
+        public ChangeUserAuthDataRequestValidator()
+        {
+            RuleFor(r => r.NewAuthData)
+                .NotEmpty();
+
+            RuleFor(r => r.NewAuthData.Email)
+                .NotEmpty()
+                .EmailAddress()
+                .WithMessage("Email should be valid")
+                .MaximumLength(ConfigurationConstraints.EmailLength)
+                .WithMessage($"Email address length must be less than {ConfigurationConstraints.EmailLength}");
+        }
+    }
+}