public ExistingUsernameValidator(
ICredentialRequirmentValidator credentialRequirmentValidator,
IIdentityContext identityContext)
{
RuleFor(model => model)
.MustAsync(async(model, token) => await identityContext.UsernameExists(model))
.WithMessage((model, value) => $"Username {value} doesn't exists");
}
public UniqueUsernameValidator(
ICredentialRequirmentValidator credentialValidator,
IIdentityContext identityContext)
{
RuleFor(model => model)
.MustAsync(async(model, token) => !await identityContext.UsernameExists(model))
.WithMessage((model, value) => $"Username: {value} is not available");
}