/**
*
* prepares challenge and displays view to solve it
* requires Session var "Challenge.play" given by PointsController::process()
* @see PointsController::process()
*/
function play()
{
if (!$this->Session->check('Challenge.play')) {
$this->Session->setFlash('In order of play a challenge, please choose an action (search, upload or earn points)');
$this->redirect('/');
}
$this->Session->delete('Challenge');
$user = $this->getConnectedUser();
$repo = $this->getCurrentRepository();
if (is_null($repo)) {
$this->Session->setFlash('You must be in a repository', 'flash_errors');
$this->redirect('/');
}
$repo_id = $repo['Repository']['id'];
$criterio = $this->Criteria->getRandomCriteria($repo_id);
if (is_null($criterio)) {
$this->_skip_challenge();
}
$documentos = $this->Criteria->generateChallenge($user['User']['id'], $criterio, $repo_id);
if (count($documentos) == 0) {
$this->_skip_challenge();
}
$this->Session->write('Challenge.criterio', $documentos[0]['CriteriasDocument']['criteria_id']);
$this->Session->write('Challenge.validate', true);
$this->set(compact('documentos', 'criterio'));
}
