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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\Doctrine\DBAL\Types; |
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use Doctrine\DBAL\Platforms\AbstractPlatform; |
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use Doctrine\DBAL\Types\Type; |
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use Elao\Enum\EnumInterface; |
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abstract class AbstractEnumType extends Type |
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{ |
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/** |
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* The enum FQCN for which we should make the DBAL conversion. |
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* |
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* @return string |
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*/ |
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abstract protected function getEnumClass(): string; |
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/** |
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* What should be returned on null value from the database. |
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* |
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* @return mixed |
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*/ |
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protected function onNullFromDatabase() |
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{ |
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return null; |
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} |
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/** |
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* What should be returned on null value from PHP. |
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* |
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* @return mixed |
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*/ |
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protected function onNullFromPhp() |
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{ |
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return null; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @param EnumInterface $value |
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*/ |
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public function convertToDatabaseValue($value, AbstractPlatform $platform) |
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{ |
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if (null === $value) { |
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return $this->onNullFromPhp(); |
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} |
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return $value->getValue(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function convertToPHPValue($value, AbstractPlatform $platform) |
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{ |
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if (null === $value) { |
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return $this->onNullFromDatabase(); |
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} |
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/** @var string|EnumInterface $class */ |
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$class = $this->getEnumClass(); |
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return $class::create($this->cast($value)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getSQLDeclaration(array $fieldDeclaration, AbstractPlatform $platform) |
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{ |
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return $platform->getVarcharTypeDeclarationSQL($fieldDeclaration); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getDefaultLength(AbstractPlatform $platform) |
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{ |
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return $platform->getVarcharDefaultLength(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function requiresSQLCommentHint(AbstractPlatform $platform) |
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{ |
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return true; |
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} |
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/** |
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* Cast the value from database to proper enumeration internal type. |
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* |
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* @param mixed $value |
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* |
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* @return mixed |
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*/ |
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protected function cast($value) |
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{ |
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return (string) $value; |
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} |
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} |
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