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<?php |
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/** |
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* This file is part of Hydrogen package. |
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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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declare(strict_types=1); |
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namespace RDS\Hydrogen\Query; |
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use RDS\Hydrogen\Criteria\Join; |
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use RDS\Hydrogen\Criteria\Relation; |
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use RDS\Hydrogen\Query; |
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/** |
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* Trait RelationProvider |
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* @mixin Query |
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*/ |
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trait RelationProvider |
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{ |
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/** |
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* @param string|array ...$relations |
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* @return Query|$this|self |
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*/ |
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public function with(...$relations): self |
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{ |
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// TODO Add temporary fallback to left join |
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return $this->leftJoin(...$relations); |
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/*return $this->addRelation(function(string $field, \Closure $inner = null) { |
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return new Relation($this, $field, $inner); |
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}, ...$relations);*/ |
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} |
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/** |
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* @param string|array ...$relations |
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* @return Query|$this|self |
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*/ |
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public function join(...$relations): self |
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{ |
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return $this->addRelation(function(string $field, \Closure $inner = null) { |
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return new Join($this, $field, Join::TYPE_JOIN, $inner); |
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}, ...$relations); |
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} |
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/** |
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* @param string|array ...$relations |
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* @return Query|$this|self |
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*/ |
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public function leftJoin(...$relations): self |
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{ |
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return $this->addRelation(function(string $field, \Closure $inner = null) { |
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return new Join($this, $field, Join::TYPE_LEFT_JOIN, $inner); |
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}, ...$relations); |
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} |
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/** |
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* @param string|array ...$relations |
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* @return Query|$this|self |
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*/ |
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public function innerJoin(...$relations): self |
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{ |
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return $this->addRelation(function(string $field, \Closure $inner = null) { |
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return new Join($this, $field, Join::TYPE_INNER_JOIN, $inner); |
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}, ...$relations); |
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} |
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/** |
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* @param \Closure $onCreate |
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* @param string|array ...$relations |
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* @return Query|$this|self |
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*/ |
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private function addRelation(\Closure $onCreate, ...$relations): self |
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{ |
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foreach ($relations as $relation) { |
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if (\is_string($relation)) { |
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$this->add($onCreate($relation)); |
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continue; |
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} |
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if (\is_array($relation)) { |
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foreach ($relation as $rel => $sub) { |
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\assert(\is_string($rel) && $sub instanceof \Closure); |
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$this->add($onCreate($rel, $sub)); |
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} |
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continue; |
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} |
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$error = 'Relation should be string ("relation_name") '. |
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'or array (["relation" => function]), ' . |
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'but %s given'; |
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throw new \InvalidArgumentException(\sprintf($error, \gettype($relation))); |
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} |
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return $this; |
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} |
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} |
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rambler-digital-solutions /
hydrogen
Loading history...
This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idableprovides a methodequalsIdthat in turn relies on the methodgetId(). If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()as an abstract method to the trait will make sure it is available.