Php 检查日期是否已存在于其他时间段中
我有一个网页,管理员可以创建新的时间段。现在,当管理员想要添加一个新的期间,我想检查是否已经没有其他期间 这是我当前的代码,但我猜Php 检查日期是否已存在于其他时间段中,php,symfony,doctrine,sonata-admin,sonata,Php,Symfony,Doctrine,Sonata Admin,Sonata,我有一个网页,管理员可以创建新的时间段。现在,当管理员想要添加一个新的期间,我想检查是否已经没有其他期间 这是我当前的代码,但我猜=在教义中不应该这样工作 $formMapper->getFormBuilder()->addEventListener(FormEvents::PRE_SUBMIT, function(FormEvent $event) { try { $from = str_replace('/', '-', $event->getData()['f
=
在教义中不应该这样工作
$formMapper->getFormBuilder()->addEventListener(FormEvents::PRE_SUBMIT, function(FormEvent $event) {
try {
$from = str_replace('/', '-', $event->getData()['from']);
$to = str_replace('/', '-', $event->getData()['to']);
$dateFrom = new \DateTime($from, new \DateTimeZone('Europe/Amsterdam'));
$dateFrom = $dateFrom->format('Y-d-m');
$dateTo = new \DateTime($to, new \DateTimeZone('Europe/Amsterdam'));
$dateTo = $dateTo->format('Y-d-m');
$query = $this->getModelManager()->createQuery('PeriodeBundle:Periode', 'p');
$query->select()
->where(':from = p.from')
->andWhere(':to = p.to')
->setParameter('from', $dateFrom)
->setParameter('to', $dateTo);
$data = $query->execute();
if (count($data) > 0) {
$event->getForm()->addError(new FormError('This period overwrites another existing period ('
. $data[0]->getFrom()->format('d/m/Y') . ' to '
. $data[0]->getTo()->format('d/m/Y') . ')'));
}
} catch (\Exception $e) {
$event->getForm()->addError(new FormError('Date not valid'));
}
});
在我的数据库中,我有几个周期被简化如下:period\u id,from,to
有人能给我指出正确的方向吗?
当我创建一个已经存在的周期时,我的数据为空,当我在遥远的将来添加一个周期时,它会给出所有行的结果。
我读过关于lte
和gte
的文章,但我不太知道如何将它们整合到这段代码中。
此代码位于PeriodBundle的“我的管理员”中。尝试使用findBy methode:
$formMapper->getFormBuilder()->addEventListener(FormEvents::PRE_SUBMIT, function(FormEvent $event) {
try {
$from = str_replace('/', '-', $event->getData()['from']);
$to = str_replace('/', '-', $event->getData()['to']);
$dateFrom = new \DateTime($from, new \DateTimeZone('Europe/Amsterdam'));
$dateFrom = $dateFrom->format('Y-d-m');
$dateTo = new \DateTime($to, new \DateTimeZone('Europe/Amsterdam'));
$dateTo = $dateTo->format('Y-d-m');
$periods_list=$this->getModelManager()->getRepository(YourClassPath)->findBy(array('from'=>$dateFrom,'to' =>$dateTo));
if (sizeof($periods_list) > 0) {
$event->getForm()->addError(new FormError('This period overwrites another existing period ('
. $data[0]->getFrom()->format('d/m/Y') . ' to '
. $data[0]->getTo()->format('d/m/Y') . ')'));
}
} catch (\Exception $e) {
$event->getForm()->addError(new FormError('Date not valid'));
}
});
我不知道Sonata是如何处理表单的,但我认为应该使用验证约束而不是侦听器。。下面是一个常见的表单示例:
private $em;
public function __construct(EntityManagerInterface $em)
{
$this->em = $em;
}
public function setDefaultOptions(OptionsResolverInterface $resolver)
{
$resolver
->setDefaults(array(
...
'constraints' => array(
new Callback(
array('callback' => array($this, 'validateForm'))
)
)
));
}
public function validateForm(MyEntity $myEntity, ExecutionContextInterface $context)
{
$valid = true;
$from = str_replace('/', '-', $myEntity->etFrom());
$to = str_replace('/', '-', $myEntity->getTo());
$dateFrom = new \DateTime($from, new \DateTimeZone('Europe/Amsterdam'));
$dateFrom = $dateFrom->format('Y-d-m');
$dateTo = new \DateTime($to, new \DateTimeZone('Europe/Amsterdam'));
$dateTo = $dateTo->format('Y-d-m');
$queryBuilder = $em->createQueryBuilder();
$query = $queryBuilder
->select(array('p'))
->from('PeriodeBundle:Periode', 'p')
->where($queryBuilder->expr()->gte('p.from', ':from'))
->andWhere($queryBuilder->expr()->lte('p.to', ':to'))
->setParameters(array(
'from' => $dateFrom,
'to' => $dateTo
))
->getQuery();
$data = $query->getArrayResult();
if (count($data) > 0) {
$valid = false;
}
// ....
if (!$valid) {
$context
->buildViolation('Invalid....')
->atPath('MYFIELD')
->addViolation()
;
}
}