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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\OrderBy; |
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use RDS\Hydrogen\Criteria\Where\Operator; |
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use RDS\Hydrogen\Query; |
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/** |
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* Trait OrderProvider |
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* @mixin Query |
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*/ |
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trait OrderProvider |
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{ |
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/** |
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* @param string $field |
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* @param mixed $value |
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* @param bool $including |
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* @return Query|$this|self |
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*/ |
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public function after(string $field, $value, bool $including = false): self |
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{ |
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$operator = $including ? Operator::GT : Operator::GTE; |
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return $this->where($field, $operator, $value)->asc($field); |
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} |
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/** |
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* @param string ...$fields |
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* @return Query|$this|self |
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*/ |
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public function asc(string ...$fields): self |
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{ |
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foreach ($fields as $field) { |
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$this->orderBy($field); |
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} |
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return $this; |
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} |
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/** |
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* @param string $field |
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* @param bool $asc |
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* @return Query|$this|self |
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*/ |
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public function orderBy(string $field, bool $asc = true): self |
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{ |
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return $this->add(new OrderBy($this, $field, $asc)); |
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} |
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/** |
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* @param string $field |
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* @param mixed $value |
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* @param bool $including |
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* @return Query|$this|self |
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*/ |
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public function before(string $field, $value, bool $including = false): self |
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{ |
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$operator = $including ? Operator::LT : Operator::LTE; |
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return $this->where($field, $operator, $value)->desc($field); |
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} |
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/** |
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* @param string ...$fields |
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* @return Query|$this|self |
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*/ |
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public function desc(string ...$fields): self |
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{ |
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foreach ($fields as $field) { |
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$this->orderBy($field, false); |
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} |
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return $this; |
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} |
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/** |
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* @param string $field |
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* @return Query|$this|self |
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*/ |
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public function latest(string $field = 'createdAt'): self |
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{ |
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return $this->desc($field); |
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} |
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/** |
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* @param string $field |
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* @return Query|$this|self |
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*/ |
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public function oldest(string $field = 'createdAt'): self |
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{ |
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return $this->asc($field); |
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} |
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} |
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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
Idable
provides a methodequalsId
that 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.