email and password change panels added

WatchIt.WebAPI/WatchIt.WebAPI.Validators/Accounts/AccountEmailRequestValidator.cs

@@ -0,0 +1,15 @@
+using FluentValidation;
+using WatchIt.Common.Model.Accounts;
+using WatchIt.Database;
+
+namespace WatchIt.WebAPI.Validators.Accounts;
+
+public class AccountEmailRequestValidator : AbstractValidator<AccountEmailRequest>
+{
+    public AccountEmailRequestValidator(DatabaseContext database)
+    {
+        RuleFor(x => x.NewEmail).EmailAddress()
+                                .CannotBeIn(database.Accounts, x => x.Email)
+                                .WithMessage("Email was already used");
+    }
+}