246 lines
5.5 KiB
PHP
246 lines
5.5 KiB
PHP
<?php
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namespace Doctrine\Common\Collections;
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use Doctrine\Common\Collections\Expr\CompositeExpression;
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use Doctrine\Common\Collections\Expr\Expression;
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use Doctrine\Deprecations\Deprecation;
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use function array_map;
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use function func_num_args;
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use function strtoupper;
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/**
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* Criteria for filtering Selectable collections.
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*
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* @psalm-consistent-constructor
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*/
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class Criteria
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{
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public const ASC = 'ASC';
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public const DESC = 'DESC';
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/** @var ExpressionBuilder|null */
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private static $expressionBuilder;
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/** @var Expression|null */
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private $expression;
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/** @var string[] */
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private $orderings = [];
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/** @var int|null */
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private $firstResult;
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/** @var int|null */
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private $maxResults;
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/**
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* Creates an instance of the class.
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*
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* @return Criteria
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*/
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public static function create()
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{
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return new static();
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}
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/**
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* Returns the expression builder.
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*
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* @return ExpressionBuilder
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*/
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public static function expr()
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{
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if (self::$expressionBuilder === null) {
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self::$expressionBuilder = new ExpressionBuilder();
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}
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return self::$expressionBuilder;
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}
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/**
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* Construct a new Criteria.
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*
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* @param string[]|null $orderings
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* @param int|null $firstResult
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* @param int|null $maxResults
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*/
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public function __construct(?Expression $expression = null, ?array $orderings = null, $firstResult = null, $maxResults = null)
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{
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$this->expression = $expression;
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if ($firstResult === null && func_num_args() > 2) {
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Deprecation::trigger(
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'doctrine/collections',
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'https://github.com/doctrine/collections/pull/311',
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'Passing null as $firstResult to the constructor of %s is deprecated. Pass 0 instead or omit the argument.',
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self::class
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);
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}
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$this->setFirstResult($firstResult);
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$this->setMaxResults($maxResults);
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if ($orderings === null) {
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return;
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}
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$this->orderBy($orderings);
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}
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/**
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* Sets the where expression to evaluate when this Criteria is searched for.
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*
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* @return $this
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*/
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public function where(Expression $expression)
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{
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$this->expression = $expression;
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return $this;
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}
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/**
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* Appends the where expression to evaluate when this Criteria is searched for
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* using an AND with previous expression.
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*
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* @return $this
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*/
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public function andWhere(Expression $expression)
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{
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if ($this->expression === null) {
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return $this->where($expression);
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}
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$this->expression = new CompositeExpression(
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CompositeExpression::TYPE_AND,
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[$this->expression, $expression]
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);
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return $this;
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}
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/**
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* Appends the where expression to evaluate when this Criteria is searched for
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* using an OR with previous expression.
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*
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* @return $this
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*/
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public function orWhere(Expression $expression)
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{
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if ($this->expression === null) {
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return $this->where($expression);
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}
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$this->expression = new CompositeExpression(
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CompositeExpression::TYPE_OR,
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[$this->expression, $expression]
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);
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return $this;
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}
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/**
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* Gets the expression attached to this Criteria.
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*
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* @return Expression|null
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*/
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public function getWhereExpression()
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{
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return $this->expression;
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}
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/**
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* Gets the current orderings of this Criteria.
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*
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* @return string[]
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*/
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public function getOrderings()
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{
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return $this->orderings;
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}
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/**
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* Sets the ordering of the result of this Criteria.
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*
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* Keys are field and values are the order, being either ASC or DESC.
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*
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* @see Criteria::ASC
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* @see Criteria::DESC
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*
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* @param string[] $orderings
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*
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* @return $this
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*/
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public function orderBy(array $orderings)
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{
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$this->orderings = array_map(
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static function (string $ordering): string {
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return strtoupper($ordering) === Criteria::ASC ? Criteria::ASC : Criteria::DESC;
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},
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$orderings
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);
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return $this;
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}
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/**
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* Gets the current first result option of this Criteria.
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*
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* @return int|null
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*/
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public function getFirstResult()
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{
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return $this->firstResult;
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}
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/**
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* Set the number of first result that this Criteria should return.
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*
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* @param int|null $firstResult The value to set.
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*
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* @return $this
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*/
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public function setFirstResult($firstResult)
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{
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if ($firstResult === null) {
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Deprecation::triggerIfCalledFromOutside(
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'doctrine/collections',
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'https://github.com/doctrine/collections/pull/311',
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'Passing null to %s() is deprecated, pass 0 instead.',
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__METHOD__
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);
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}
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$this->firstResult = $firstResult;
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return $this;
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}
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/**
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* Gets maxResults.
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*
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* @return int|null
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*/
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public function getMaxResults()
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{
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return $this->maxResults;
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}
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/**
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* Sets maxResults.
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*
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* @param int|null $maxResults The value to set.
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*
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* @return $this
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*/
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public function setMaxResults($maxResults)
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{
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$this->maxResults = $maxResults;
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return $this;
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}
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}
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