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<?php |
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declare(strict_types=1); |
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/** |
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* This file is part of the Happyr Doctrine Specification package. |
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* |
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* (c) Tobias Nyholm <[email protected]> |
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* Kacper Gunia <[email protected]> |
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* Peter Gribanov <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Happyr\DoctrineSpecification\Logic; |
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use Doctrine\ORM\QueryBuilder; |
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use Happyr\DoctrineSpecification\Filter\Filter; |
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use Happyr\DoctrineSpecification\Filter\Satisfiable; |
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use Happyr\DoctrineSpecification\Query\QueryModifier; |
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use Happyr\DoctrineSpecification\Specification\Specification; |
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/** |
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* This class should be used when you combine two or more Expressions. |
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*/ |
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abstract class LogicX implements Specification |
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{ |
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const AND_X = 'andX'; |
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const OR_X = 'orX'; |
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/** |
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* @var string |
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*/ |
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private $expression; |
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/** |
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* @var Filter[]|QueryModifier[] |
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*/ |
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private $children; |
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/** |
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* Take two or more Expression as parameters. |
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* |
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* @param string $expression |
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* @param Filter|QueryModifier ...$children |
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*/ |
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public function __construct(string $expression, ...$children) |
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{ |
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$this->expression = $expression; |
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$this->children = $children; |
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} |
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/** |
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* @param QueryBuilder $qb |
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* @param string $context |
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* |
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* @return string |
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*/ |
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public function getFilter(QueryBuilder $qb, string $context): string |
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{ |
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$children = []; |
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foreach ($this->children as $spec) { |
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if ($spec instanceof Filter) { |
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$filter = $spec->getFilter($qb, $context); |
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if ($filter) { |
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$children[] = $filter; |
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} |
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} |
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} |
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if (!$children) { |
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return ''; |
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} |
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$expression = [$qb->expr(), $this->expression]; |
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if (!is_callable($expression)) { |
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throw new \InvalidArgumentException( |
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sprintf('Undefined "%s" method in "%s" class.', $this->expression, get_class($qb->expr())) |
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); |
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} |
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return (string) call_user_func_array($expression, $children); |
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} |
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/** |
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* @param QueryBuilder $qb |
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* @param string $context |
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*/ |
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public function modify(QueryBuilder $qb, string $context): void |
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{ |
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foreach ($this->children as $child) { |
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if ($child instanceof QueryModifier) { |
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$child->modify($qb, $context); |
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} |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function filterCollection(iterable $collection): iterable |
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{ |
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foreach ($collection as $candidate) { |
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if ($this->isSatisfiedBy($candidate)) { |
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yield $candidate; |
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} |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isSatisfiedBy($candidate): bool |
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{ |
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$has_satisfiable_children = false; |
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foreach ($this->children as $child) { |
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if (!$child instanceof Satisfiable) { |
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continue; |
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} |
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$has_satisfiable_children = true; |
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$satisfied = $child->isSatisfiedBy($candidate); |
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if ($satisfied && self::OR_X === $this->expression) { |
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return true; |
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} |
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if (!$satisfied && self::AND_X === $this->expression) { |
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return false; |
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} |
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} |
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return !$has_satisfiable_children || self::AND_X === $this->expression; |
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} |
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/** |
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* Add another child to this logic tree. |
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* |
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* @param Filter|QueryModifier $child |
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*/ |
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protected function append($child): void |
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{ |
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$this->children[] = $child; |
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} |
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} |
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Happyr /
Doctrine-Specification
Loading history...
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..