mirror of
https://github.com/BookStackApp/BookStack.git
synced 2024-08-27 20:51:57 +00:00
63 lines
1.9 KiB
PHP
63 lines
1.9 KiB
PHP
<?php
|
|
|
|
namespace BookStack\References;
|
|
|
|
use BookStack\Auth\Permissions\PermissionApplicator;
|
|
use BookStack\Entities\Models\Entity;
|
|
use BookStack\Entities\Models\Page;
|
|
use Illuminate\Database\Eloquent\Collection;
|
|
use Illuminate\Database\Eloquent\Relations\Relation;
|
|
|
|
class ReferenceFetcher
|
|
{
|
|
protected PermissionApplicator $permissions;
|
|
|
|
public function __construct(PermissionApplicator $permissions)
|
|
{
|
|
$this->permissions = $permissions;
|
|
}
|
|
|
|
/**
|
|
* Query and return the page references pointing to the given entity.
|
|
* Loads the commonly required relations while taking permissions into account.
|
|
*/
|
|
public function getPageReferencesToEntity(Entity $entity): Collection
|
|
{
|
|
$baseQuery = $entity->referencesTo()
|
|
->where('from_type', '=', (new Page())->getMorphClass())
|
|
->with([
|
|
'from' => fn (Relation $query) => $query->select(Page::$listAttributes),
|
|
'from.book' => fn (Relation $query) => $query->scopes('visible'),
|
|
'from.chapter' => fn (Relation $query) => $query->scopes('visible'),
|
|
]);
|
|
|
|
$references = $this->permissions->restrictEntityRelationQuery(
|
|
$baseQuery,
|
|
'references',
|
|
'from_id',
|
|
'from_type'
|
|
)->get();
|
|
|
|
return $references;
|
|
}
|
|
|
|
/**
|
|
* Returns the count of page references pointing to the given entity.
|
|
* Takes permissions into account.
|
|
*/
|
|
public function getPageReferenceCountToEntity(Entity $entity): int
|
|
{
|
|
$baseQuery = $entity->referencesTo()
|
|
->where('from_type', '=', (new Page())->getMorphClass());
|
|
|
|
$count = $this->permissions->restrictEntityRelationQuery(
|
|
$baseQuery,
|
|
'references',
|
|
'from_id',
|
|
'from_type'
|
|
)->count();
|
|
|
|
return $count;
|
|
}
|
|
}
|