[TYPO3-50-general] Validator: unique users

Bastian Waidelich bastian at typo3.org
Sun Feb 6 18:53:14 CET 2011

Julian Kleinhans wrote:

Hi Julian,

to finally give you an answer...:

> To create new users is no problem.. but, the problem is that i can
> register many users with the same username. I need a check that the
> username is unique.

That is a missing feature still unfortunately, see [1]

For now you can create a validator or check the existence in the 
controller like:

if ($this->userRepository->findOneByUsername($username) !== NULL) {
	$this->flashMessageContainer->add('Username already used');

makes me think of another nice Fluid widget that checks the availability 
of a unique property via ajax..


[1] http://forge.typo3.org/issues/9557

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