55 lines
1.6 KiB
PHP
55 lines
1.6 KiB
PHP
<?php
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namespace BookStack\References;
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use BookStack\Entities\Models\Entity;
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use BookStack\Entities\Tools\MixedEntityListLoader;
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use BookStack\Permissions\PermissionApplicator;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Database\Eloquent\Collection;
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class ReferenceFetcher
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{
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public function __construct(
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protected PermissionApplicator $permissions,
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protected MixedEntityListLoader $mixedEntityListLoader,
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) {
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}
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/**
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* Query and return the references pointing to the given entity.
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* Loads the commonly required relations while taking permissions into account.
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*/
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public function getReferencesToEntity(Entity $entity): Collection
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{
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$references = $this->queryReferencesToEntity($entity)->get();
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$this->mixedEntityListLoader->loadIntoRelations($references->all(), 'from', true);
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return $references;
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}
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/**
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* Returns the count of references pointing to the given entity.
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* Takes permissions into account.
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*/
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public function getReferenceCountToEntity(Entity $entity): int
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{
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return $this->queryReferencesToEntity($entity)->count();
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}
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protected function queryReferencesToEntity(Entity $entity): Builder
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{
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$baseQuery = Reference::query()
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->where('to_type', '=', $entity->getMorphClass())
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->where('to_id', '=', $entity->id)
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->whereHas('from');
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return $this->permissions->restrictEntityRelationQuery(
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$baseQuery,
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'references',
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'from_id',
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'from_type'
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);
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}
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}
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