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<?php |
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declare(strict_types=1); |
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namespace Umbrellio\LTree\Traits; |
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use Illuminate\Database\Eloquent\Concerns\HasRelationships; |
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use Illuminate\Database\Eloquent\Model; |
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use Umbrellio\LTree\Exceptions\InvalidTraitInjectionClass; |
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use Umbrellio\LTree\Interfaces\LTreeModelInterface; |
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use Umbrellio\LTree\Relations\AbstractBelongsToTree; |
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use Umbrellio\LTree\Relations\BelongsToDescendantsTree; |
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use Umbrellio\LTree\Relations\BelongsToParentsTree; |
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/** |
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* @mixin HasRelationships |
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* @mixin LTreeModelTrait |
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* @mixin Model |
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*/ |
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trait HasTreeRelationships |
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{ |
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/** |
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* @param null $ownerKey |
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* @return AbstractBelongsToTree |
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* |
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* @throws InvalidTraitInjectionClass |
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*/ |
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final protected function belongsToParentsTree( |
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string $related, |
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string $throwRelation, |
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?string $foreignKey = null, |
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$ownerKey = null |
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) { |
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return $this->belongsToTree(BelongsToParentsTree::class, $related, $throwRelation, $foreignKey, $ownerKey); |
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} |
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/** |
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* @param null $ownerKey |
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* @return AbstractBelongsToTree |
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* |
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* @throws InvalidTraitInjectionClass |
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*/ |
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final protected function belongsToDescendantsTree( |
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string $related, |
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string $throwRelation, |
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?string $foreignKey = null, |
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$ownerKey = null |
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) { |
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return $this->belongsToTree( |
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BelongsToDescendantsTree::class, |
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$related, |
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$throwRelation, |
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$foreignKey, |
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$ownerKey |
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); |
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} |
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final private function belongsToTree( |
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string $relationClass, |
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string $related, |
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string $throwRelation, |
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?string $foreignKey = null, |
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$ownerKey = null |
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): AbstractBelongsToTree { |
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$instance = $this->newRelatedInstance($related); |
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if (!$instance instanceof LTreeModelInterface) { |
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throw new InvalidTraitInjectionClass(sprintf( |
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'A class using this trait must implement an interface %s', |
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LTreeModelInterface::class |
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)); |
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} |
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if ($foreignKey === null) { |
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$foreignKey = $this |
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->{$throwRelation}() |
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->getForeignKeyName(); |
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} |
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$ownerKey = $ownerKey ?: $instance->getKeyName(); |
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return new $relationClass($instance->newQuery(), $this, $throwRelation, $foreignKey, $ownerKey); |
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} |
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} |
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umbrellio /
laravel-ltree
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