Vich upload bundle remove image - ajax

Question

Hi guys i have implemented vichuploadbundle to upload images but i want in the admin the user to remove the image.
<?php
namespace George\PageBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
use George\UserBundle\Entity\User;
use Gedmo\Mapping\Annotation as Gedmo;
use Symfony\Component\HttpFoundation\File\File;
use Vich\UploaderBundle\Mapping\Annotation as Vich;
/**
* Page
*
* #ORM\Table()
* #ORM\Entity(repositoryClass="George\PageBundle\Entity\PageRepository")
* #Vich\Uploadable
*/
class Page
{
/**
* #var integer
*
* #ORM\Column(name="id", type="integer")
* #ORM\Id
* #ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* #var string
*
* #ORM\Column(name="title", type="text")
*/
private $title;
/**
* #var string
*
* #ORM\Column(name="content", type="text")
*/
private $content;
/**
* #var boolean
*
* #ORM\Column(name="visible", type="boolean")
*/
private $visible;
/**
* #var \DateTime
*
* #ORM\Column(name="created", type="datetime")
*/
private $created;
/**
* #var \DateTime
*
* #ORM\Column(name="modefied", type="datetime")
*/
private $modefied;
/**
* #var string
*
* #ORM\Column(name="description", type="string", length=255)
*/
private $description;
/**
* #var string
*
* #ORM\Column(name="keywords", type="string", length=255)
*/
private $keywords;
/**
* #ORM\ManyToOne(targetEntity="George\UserBundle\Entity\User", inversedBy="pages")
* #ORM\JoinColumn(onDelete="CASCADE")
*/
private $owner;
//#ORM\Column(length=128, unique=true)
/**
* #Gedmo\Slug(fields={"title"})
* #ORM\Column(length=128, unique=true)
*/
private $slug;
/**
* Get id
*
* #return integer
*/
public function getId()
{
return $this->id;
}
/**
* Set title
*
* #param string $title
*
* #return Page
*/
public function setTitle($title)
{
$this->title = $title;
return $this;
}
/**
* Get title
*
* #return string
*/
public function getTitle()
{
return $this->title;
}
/**
* Set content
*
* #param string $content
*
* #return Page
*/
public function setContent($content)
{
$this->content = $content;
return $this;
}
/**
* Get content
*
* #return string
*/
public function getContent()
{
return $this->content;
}
/**
* Set visible
*
* #param boolean $visible
*
* #return Page
*/
public function setVisible($visible)
{
$this->visible = $visible;
return $this;
}
/**
* Get visible
*
* #return boolean
*/
public function getVisible()
{
return $this->visible;
}
/**
* Set created
*
* #param \DateTime $created
*
* #return Page
*/
public function setCreated($created)
{
$this->created = $created;
return $this;
}
/**
* Get created
*
* #return \DateTime
*/
public function getCreated()
{
return $this->created;
}
/**
* Set modefied
*
* #param \DateTime $modefied
*
* #return Page
*/
public function setModefied($modefied)
{
$this->modefied = $modefied;
return $this;
}
/**
* Get modefied
*
* #return \DateTime
*/
public function getModefied()
{
return $this->modefied;
}
/**
* Set description
*
* #param string $description
*
* #return Page
*/
public function setDescription($description)
{
$this->description = $description;
return $this;
}
/**
* Get description
*
* #return string
*/
public function getDescription()
{
return $this->description;
}
/**
* Set keywords
*
* #param string $keywords
*
* #return Page
*/
public function setKeywords($keywords)
{
$this->keywords = $keywords;
return $this;
}
/**
* Get keywords
*
* #return string
*/
public function getKeywords()
{
return $this->keywords;
}
/**
* #return mixed
*/
public function getOwner()
{
return $this->owner;
}
/**
* #param mixed $owner
*/
public function setOwner(User $owner)
{
$this->owner = $owner;
}
public function getSlug()
{
return $this->slug;
}
// ..... other fields
/**
* NOTE: This is not a mapped field of entity metadata, just a simple property.
*
* #Vich\UploadableField(mapping="product_image", fileNameProperty="imageName")
*
* #var File
*/
private $imageFile;
/**
* #ORM\Column(type="string", length=255)
*
* #var string
*/
private $imageName;
/**
* #ORM\Column(type="datetime")
*
* #var \DateTime
*/
private $updatedAt;
/**
* If manually uploading a file (i.e. not using Symfony Form) ensure an instance
* of 'UploadedFile' is injected into this setter to trigger the update. If this
* bundle's configuration parameter 'inject_on_load' is set to 'true' this setter
* must be able to accept an instance of 'File' as the bundle will inject one here
* during Doctrine hydration.
*
* #param File|\Symfony\Component\HttpFoundation\File\UploadedFile $image
*/
public function setImageFile(File $image = null)
{
$this->imageFile = $image;
if ($image) {
// It is required that at least one field changes if you are using doctrine
// otherwise the event listeners won't be called and the file is lost
$this->updatedAt = new \DateTime('now');
}
}
/**
* #return File
*/
public function getImageFile()
{
return $this->imageFile;
}
/**
* #param string $imageName
*/
public function setImageName($imageName)
{
$this->imageName = $imageName;
}
/**
* #return string
*/
public function getImageName()
{
return $this->imageName;
}
}
Can you advice me what is the best solution to this. I think it will be best if i have a method remove image and in the method try to use bundles build in function for removal the image (which i don't find anywhere) and update it in the database. In the front end this can be don trough ajax or on submit... Is there a build in function for the removal of file in the vichuploadbundle?

Answer 1

I have found how to remove the image. The bundle provides a custom form type in order to ease the upload, deletion and download of images.
When you build the form you specifies the widget:
public function buildForm(FormBuilderInterface $builder, array $options)
{
// ...
$builder->add('image', 'vich_image', array(
'required' => false,
'allow_delete' => true, // not mandatory, default is true
'download_link' => true, // not mandatory, default is true
));
}
This add a twig template for deleting the img :)