Symfony and Doctrine databases - symfony

Question

I am working on some new project and the project is nearly done using Symfony framework, but the problem that i am used to CodeIgnitor Framework and basically as a Java developer/Android a lot of stuff i got confused with when working on Web development so here is the situation:
The website have a user end and an admin end (i am working on the Admin end), so there are these tables in the database which i really don't understand why they are built like this but this is not the problem
what i would like to know is how to add a service_category field with the corresponding translations in the service_category_translation using forms or any other way
this is the ServiceCategory Entity
use Doctrine\ORM\Mapping as ORM;
use Knp\DoctrineBehaviors\Model as ORMBehaviors;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use JMS\Serializer\Annotation as Serializer;
/**
* class ServiceCategory
*
* #ORM\Table(name="service_category")
* #ORM\Entity
*
* #Serializer\ExclusionPolicy("all")
*/
class ServiceCategory
{
use ORMBehaviors\Timestampable\Timestampable;
use ORMBehaviors\SoftDeletable\SoftDeletable;
use ORMBehaviors\Translatable\Translatable;
/**
* #var int
*
* #ORM\Column(name="id", type="integer")
* #ORM\Id
* #ORM\GeneratedValue(strategy="AUTO")
*
* #Serializer\Expose
* #Serializer\Groups({"general-information", "service-offer"})
*/
private $id;
/**
* #var ServiceGroup
*
* #ORM\OneToMany(targetEntity="ServiceGroup", mappedBy="serviceCategory")
*
* #Serializer\Expose
* #Serializer\Groups({"service-offer"})
*/
private $serviceGroup;
/**
* Constructor
*/
public function __construct()
{
$this->serviceGroup = new ArrayCollection();
}
/**
* {#inheritdoc}
*/
public function __toString()
{
return $this->getName() ? $this->getName() : '';
}
/**
* Get id
*
* #return int
*/
public function getId()
{
return $this->id;
}
/**
* Get translated name
*
* #return string
*
* #Serializer\VirtualProperty
* #Serializer\SerializedName("name")
* #Serializer\Groups({"invoice-list", "service-offer"})
*/
public function getName()
{
if($this->getTranslations()->get($this->getCurrentLocale()) == null){
return 'sorry';
}
return $this->getTranslations()->get($this->getCurrentLocale())->getName();
}
/**
* Add serviceGroup
*
* #param ServiceGroup $serviceGroup
*
* #return ServiceCategory
*/
public function addServiceGroup(ServiceGroup $serviceGroup)
{
$this->serviceGroup[] = $serviceGroup;
return $this;
}
/**
* Remove serviceGroup
*
* #param ServiceGroup $serviceGroup
*/
public function removeServiceGroup(ServiceGroup $serviceGroup)
{
$this->serviceGroup->removeElement($serviceGroup);
}
/**
* Get serviceGroup
*
* #return Collection
*/
public function getServiceGroup()
{
return $this->serviceGroup;
}
}
and this is the ServiceCategoryTranslation Entity
use Doctrine\ORM\Mapping as ORM;
use Knp\DoctrineBehaviors\Model as ORMBehaviors;
/**
* Class ServiceCategoryTranslation
*
* #package CoreBundle\Entity
*
* #ORM\Entity
* #ORM\Table(name="service_category_translation")
*/
class ServiceCategoryTranslation
{
use ORMBehaviors\Translatable\Translation;
use ORMBehaviors\Timestampable\Timestampable;
use ORMBehaviors\SoftDeletable\SoftDeletable;
/**
* #ORM\Column(type="string", length=255)
*/
protected $name;
/**
* #return string
*/
public function getName()
{
return $this->name;
}
/**
* #param string
* #return null
*/
public function setName($name)
{
$this->name = $name;
}
public function __toString() {
return $this->name;
}
}
how can i achieve this ?
please don't guide me to symfony or doctrine documentation i have been lost there for two days now and i am running late on the schedule
Thanks in advance

Answer 1

You have a one-to-many-association from ServiceCategory (1) to ServiceCategoryTranslations (many) since I assume you
will manage the transaltions from the category. This have to be a bidirectional association, have a look
here
You have to add a property to manage the entities and describe the association. I will do it with annotations.
use Doctrine\Common\Collections\ArrayCollection;
class ServiceCategory
{
/**
* #OneToMany(targetEntity="ServiceCategoryTranslation", mappedBy="serviceCategory")
**/
private $translations;
public function __construct()
{
$this->translations = new ArrayCollection();
}
/**
* #return ServiceCategoryTranslation[]
*/
public function getStandort(){
return $this->translations;
}
/**
* #param ArrayCollection $translations
* #return ServiceCategory
*/
public function setTranslations(ArrayCollection $translations)
{
$this->translations->clear();
foreach ($translations as $translation){
$this->addTranslation($translation);
}
return $this;
}
/**
* #param ServiceCategoryTranslation $translation
* #return ServiceCategory
*/
public function addTranslation(ServiceCategoryTranslation $translation){
/* this is a way to keep the integerity */
$translation->setServiceCategory($this);
if(!$this->translation){
$this->translations = new ArrayCollection();
}
$this->translations->add($translation);
return $this;
}
/**
* #param ServiceCategoryTranslation $translation
* #return ServiceCategory
*/
public function removeStandort(ServiceCategoryTranslation $translation){
$this->translations->removeElement($translation);
return $this;
}
}
class ServiceCategoryTranslation
{
/**
* #ManyToOne(targetEntity="ServiceCategory", inversedBy="translations")
* #JoinColumn(name="translatable_id", referencedColumnName="id")
**/
private $serviceCategory;
/**
* #param ServiceCategoryTranslation $translation
* #return ServiceCategoryTranslation
*/
public function setServiceCategory(ServiceCategory $serviceCategory){
$this->serviceCategory = $serviceCategory;
return $this;
}
/* getter analog */
}