Symfony 4 - some difficults with make a Doctrine findBy with parameters - function

Question

I took over an old project under Symfony 4, which I would like to improve.
I have pages that use pagination, with a service that I created that takes parameters like class, maximum number of elements per page, and so on.
On one of my pages, I added a search field to filter by name the display of a list.
To give you an idea of the function that returns the data:
/**
* Permet de récupérer les données paginées pour une entité spécifique
*
* Elle se sert de Doctrine afin de récupérer le repository pour l'entité spécifiée
* puis grâce au repository et à sa fonction findBy() on récupère les données dans une
* certaine limite et en partant d'un offset
*
* #throws Exception si la propriété $entityClass n'est pas définie
*
* #return array
*/
public function getData()
{
if (empty($this->entityClass)) {
throw new \Exception("Vous n'avez pas spécifié l'entité sur laquelle nous devons paginer ! Utilisez la méthode setEntityClass() de votre objet PaginationService !");
}
// 1) Calculer l'offset
$offset = $this->currentPage * $this->limit - $this->limit;
// 2) Demander au repository de trouver les éléments à partir d'un offset et
// dans la limite d'éléments imposée (voir propriété $limit)
return $this->manager
->getRepository($this->entityClass)
->findBy([], [], $this->limit, $offset);
}
So now my goal is to ensure that the function can handle the case when I asked him to sort in the results due to a request DQL example.
On one of my pages, thanks to the search filter, I have to enter the first name or the name of a user (or some characters are enough).
This translates to the following DQL query:
public function getUsersByName($name)
{
return $this->createQueryBuilder('u')
->where('u.nom LIKE :name OR u.prenom LIKE :name')
->setParameter('name', $name . '%')
->orderBy('u.nom', 'ASC')
->getQuery()
->getResult();
}
How could I integrate this into my function? The goal being to do that for any query eventually. I just need to add the limit and the offset to the result
EDIT:
Is is possible to make something like :
$function = getUsersByName;
$parameters = $this->name;
return $this->manager
->getRepository($this->entityClass)
->$function($parameters);

Answer 1

If I'm not wrong, you just need to replace :
return $this->manager
->getRepository($this->entityClass)
->findBy([], [], $this->limit, $offset);
by :
return $this->manager
->getRepository($this->entityClass)
->getUsersByName($name, $this->limit, $offset);
Assuming you changed the method in your Repo for :
public function getUsersByName($name, $limit = null, $offset = 0)
{
$query = $this->createQueryBuilder('u')
->where('u.nom LIKE :name OR u.prenom LIKE :name')
->setParameter('name', $name . '%')
->orderBy('u.nom', 'ASC');
if($limit){
$query->setFirstResult($offset)
->setMaxResults($limit);
}
return $query->getQuery()
->getResult();
}
Did I understand your problem well ?