GNUsocial/gnu-social
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[ATTACHMENTS] Add dependencies counter

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This commit is contained in:
Diogo Peralta Cordeiro 2021-08-05 13:46:28 +01:00 committed by Hugo Sales
parent 95fd86f8dc
commit 21362d1e4d
Signed by: someonewithpc
GPG Key ID: 7D0C7EAFC9D835A0
2 changed files with 33 additions and 7 deletions
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7
components/Avatar/Avatar.php
View File

@ -75,6 +75,13 @@ class Avatar extends Component
return Event::next;
}
public function onAttachmentCountDependencies(int $attachment_id, int &$dependencies): bool
{
$avatars = DB::findBy('avatar', ['attachment_id' => $attachment_id]);
$dependencies += count($avatars);
return Event::next;
}
// UTILS ----------------------------------
/**

33
src/Entity/Attachment.php
View File

@ -23,6 +23,7 @@ namespace App\Entity;
use App\Core\DB\DB;
use App\Core\Entity;
use App\Core\Event;
use App\Core\GSFile;
use App\Core\Log;
use App\Util\Common;
@ -246,18 +247,36 @@ class Attachment extends Entity
const FILEHASH_ALGO = 'sha256';
/**
* Delete this attachment and optianlly all the associated entities (avatar and/or thumbnails, which this owns)
*
* Warning: Underlying DB::findBy doesn't respect remove persistence
* @return int
*/
public function countDependencies(): int
{
$attachment_id = $this->getId();
$notes = DB::findBy('attachment_to_note', ['attachment_id' => $attachment_id]);
$dependencies = count($notes);
Event::handle('AttachmentCountDependencies', [$attachment_id, &$dependencies]);
return $dependencies;
}
/**
*
* @depends Attachment->countDependencies()
* @return bool
*/
public function isSafeDelete(): bool
{
return $this->countDependencies() === 0;
}
/**
* Delete this attachment and optionally all the associated entities (avatar and/or thumbnails, which this owns)
*/
public function delete(bool $cascade = true, bool $flush = true): void
{
$files = [];
if ($cascade) {
// An avatar can own a file, and it becomes invalid if the file is deleted
$avatar = DB::findBy('avatar', ['attachment_id' => $this->id]);
foreach ($avatar as $a) {
$files[] = $a->getPath();
$a->delete(cascade: false, flush: false);
}
foreach ($this->getThumbnails() as $at) {
$files[] = $at->getPath();
$at->delete(flush: false);