private function addTechieAdverts(ObjectManager $manager, Show $show)
{
$num_roles_to_seek = mt_rand(1, count($this->roles) - 1);
$roles_to_seek = $this->roles;
shuffle($roles_to_seek);
$roles_to_seek = array_splice($roles_to_seek, 0, $num_roles_to_seek);
$techieAdvert = new TechieAdvert();
$techieAdvert->setPositions(implode("\n", $roles_to_seek));
$techieAdvert->setContact('Random Contact ' . mt_rand(1, 100));
$techieAdvert->setDeadline(false);
$expiry = new \DateTime(mt_rand(-15, 60) . ' days');
$techieAdvert->setExpiry($expiry);
if (mt_rand(0, 4) > 0) {
$techieAdvert->setDeadline(true);
$hour = mt_rand(10, 22);
$minute = mt_rand(0, 3) * 15;
$deadline = $expiry->format("j M {$hour}:{$minute}");
$techieAdvert->setDeadlineTime($expiry);
}
$techieAdvert->setDisplay(mt_rand(0, 4) > 0);
$techExtra = '';
if (mt_rand(0, 1) == 1) {
$techExtra = 'Short Tech Extra';
} elseif (mt_rand(0, 1) == 1) {
$techExtra = "A very very long tech extra because some people don't know when to stop. You know the type," . 'they will go on and on about the show hoping to persuade you to do it because it is exciting with' . 'scaffolding and balloons and probably a raised forestage';
}
$techieAdvert->setTechExtra($techExtra);
$techieAdvert->setShow($show);
$manager->persist($techieAdvert);
}
