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<?php |
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namespace Staudenmeir\LaravelAdjacencyList\Eloquent\Traits; |
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trait HasQueryConstraints |
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{ |
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/** |
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* The additional constraint for the initial query. |
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* |
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* @var callable|null |
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*/ |
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public static $initialQueryConstraint; |
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/** |
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* The additional constraint for the recursive query. |
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* |
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* @var callable|null |
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*/ |
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public static $recursiveQueryConstraint; |
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/** |
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* Execute a query with an additional constraint for the initial query. |
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* |
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* @param callable $constraint |
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* @param callable $query |
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* @return mixed |
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*/ |
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public static function withInitialQueryConstraint(callable $constraint, callable $query): mixed |
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{ |
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$previous = static::$initialQueryConstraint; |
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static::$initialQueryConstraint = $constraint; |
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$result = $query(); |
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static::$initialQueryConstraint = $previous; |
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return $result; |
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} |
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/** |
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* Execute a query with an additional constraint for the recursive query. |
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* |
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* @param callable $constraint |
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* @param callable $query |
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* @return mixed |
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*/ |
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public static function withRecursiveQueryConstraint(callable $constraint, callable $query): mixed |
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{ |
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$previous = static::$recursiveQueryConstraint; |
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static::$recursiveQueryConstraint = $constraint; |
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$result = $query(); |
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static::$recursiveQueryConstraint = $previous; |
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return $result; |
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} |
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/** |
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* Set an additional constraint for the recursive query. |
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* |
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* @param callable $constraint |
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* @return void |
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*/ |
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public static function setRecursiveQueryConstraint(callable $constraint): void |
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{ |
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static::$recursiveQueryConstraint = $constraint; |
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} |
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/** |
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* Unset the additional constraint for the recursive query. |
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* |
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* @return void |
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*/ |
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public static function unsetRecursiveQueryConstraint(): void |
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{ |
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static::$recursiveQueryConstraint = null; |
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} |
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/** |
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* Execute a query with an additional constraint for the initial and recursive query. |
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* |
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* @param callable $constraint |
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* @param callable $query |
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* @return mixed |
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*/ |
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public static function withQueryConstraint( |
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callable $constraint, |
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callable $query |
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): mixed { |
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$previousInitialConstraint = static::$initialQueryConstraint; |
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$previousRecursiveConstraint = static::$recursiveQueryConstraint; |
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static::$initialQueryConstraint = $constraint; |
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static::$recursiveQueryConstraint = $constraint; |
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$result = $query(); |
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static::$initialQueryConstraint = $previousInitialConstraint; |
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static::$recursiveQueryConstraint = $previousRecursiveConstraint; |
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return $result; |
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} |
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} |
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staudenmeir /
laravel-adjacency-list
