Refactoring, database structure changed

WatchIt.DTO/Models/Controllers/Accounts/Account/AccountRequestValidator.cs

@@ -0,0 +1,17 @@
+using FluentValidation;
+using WatchIt.Database;
+
+namespace WatchIt.DTO.Models.Controllers.Accounts.Account;
+
+public class AccountRequestValidator : AbstractValidator<AccountRequest>
+{
+    public AccountRequestValidator(DatabaseContext database)
+    {
+        Include(new PasswordEditRequestValidator());
+        RuleFor(x => x.Username).MinimumLength(5)
+                                .MaximumLength(50)
+                                .CannotBeIn(database.Accounts, x => x.Username).WithMessage("Username was already used");
+        RuleFor(x => x.Email).EmailAddress()
+                             .CannotBeIn(database.Accounts, x => x.Email).WithMessage("Email was already used");
+    }
+}