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<?php |
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/* |
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* This file is part of the "elao/enum" package. |
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* |
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* Copyright (C) 2016 Elao |
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* |
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* @author Elao <[email protected]> |
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*/ |
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namespace Elao\Enum\Bridge\Symfony\Validator\Constraint; |
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use Elao\Enum\EnumInterface; |
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use Symfony\Component\Validator\Constraints\Choice; |
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use Symfony\Component\Validator\Constraints\ChoiceValidator; |
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use Symfony\Component\Validator\Exception\ConstraintDefinitionException; |
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class Enum extends Choice |
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{ |
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/** @var string */ |
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public $class; |
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/** |
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* Set to true in order to validate enum values instead of instances. |
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* |
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* @var bool |
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*/ |
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public $asValue = false; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __construct($options) |
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{ |
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parent::__construct($options); |
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$this->strict = true; |
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if (!is_a($this->class, EnumInterface::class, true)) { |
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throw new ConstraintDefinitionException(sprintf( |
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'The "class" option value must be a class FQCN implementing "%s". "%s" given.', |
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EnumInterface::class, |
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$this->class |
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)); |
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} |
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// Normalize choices |
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if (is_array($this->choices)) { |
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$choices = []; |
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foreach ($this->choices as $choiceValue) { |
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if (false === call_user_func([$this->class, 'accepts'], $choiceValue)) { |
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throw new ConstraintDefinitionException(sprintf( |
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'Choice %s is not a valid value for enum type "%s".', |
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json_encode($choiceValue), |
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$this->class |
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)); |
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} |
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$choices[] = $this->asValue ? $choiceValue : call_user_func([$this->class, 'get'], $choiceValue); |
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} |
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$this->choices = $choices; |
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} |
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// only set the callback if no choice list set |
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if (!is_array($this->choices)) { |
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$this->callback = $this->asValue ? [$this->class, 'values'] : [$this->class, 'instances']; |
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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 validatedBy() |
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{ |
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return ChoiceValidator::class; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getDefaultOption() |
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{ |
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return 'class'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getRequiredOptions() |
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{ |
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return ['class']; |
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} |
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} |
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Elao /
PhpEnums
