Rade\Database\Doctrine\Form\ChoiceList\IdReader

Complexity

Total Complexity

11

Size/Duplication

Total Lines	80
Duplicated Lines	0 %

Test Coverage

Coverage

0%

Importance

Changes	1
Bugs	0	Features	0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	isSingleId()	0	3	1
A	getIdField()	0	3	1
A	getIdValue()	0	19	4
A	isIntId()	0	3	1
A	__construct()	0	19	4

<?php

declare(strict_types=1);

/*
 * This file is part of DivineNii opensource projects.
 *
 * PHP version 7.4 and above required
 *
 * @author    Divine Niiquaye Ibok <divineibok@gmail.com>
 * @copyright 2019 DivineNii (https://divinenii.com/)
 * @license   https://opensource.org/licenses/BSD-3-Clause License
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Rade\Database\Doctrine\Form\ChoiceList;

use Doctrine\Persistence\Mapping\ClassMetadata;

The type Doctrine\Persistence\Mapping\ClassMetadata was not found. Maybe you did not declare it correctly or list all dependencies?

use Doctrine\Persistence\ObjectManager;

The type Doctrine\Persistence\ObjectManager was not found. Maybe you did not declare it correctly or list all dependencies?

use Symfony\Component\Form\Exception\RuntimeException;

/**
 * A utility for reading object IDs.
 *
 * @author Bernhard Schussek <bschussek@gmail.com>
 *
 * @internal
 */
class IdReader
{
    private ObjectManager $om;
    private ClassMetadata $classMetadata;
    private bool $singleId, $intId;
    private string $idField;
    private ?self $associationIdReader = null;

    public function __construct(ObjectManager $om, ClassMetadata $classMetadata)
    {
        $ids = $classMetadata->getIdentifierFieldNames();
        $idType = $classMetadata->getTypeOfField(\current($ids));

        $this->om = $om;
        $this->classMetadata = $classMetadata;
        $this->singleId = 1 === \count($ids);
        $this->intId = $this->singleId && \in_array($idType, ['integer', 'smallint', 'bigint']);
        $this->idField = \current($ids);

        // single field association are resolved, since the schema column could be an int
        if ($this->singleId && $classMetadata->hasAssociation($this->idField)) {
            $this->associationIdReader = new self($om, $om->getClassMetadata(
                $classMetadata->getAssociationTargetClass($this->idField)
            ));

            $this->singleId = $this->associationIdReader->isSingleId();
            $this->intId = $this->associationIdReader->isIntId();
        }
    }

    /**
     * Returns whether the class has a single-column ID.
     */
    public function isSingleId(): bool
    {
        return $this->singleId;
    }

    /**
     * Returns whether the class has a single-column integer ID.
     */
    public function isIntId(): bool
    {
        return $this->intId;
    }

    /**
     * Returns the ID value for an object.
     *
     * This method assumes that the object has a single-column ID.
     */
    public function getIdValue(object $object = null): string
    {
        if (!$object) {
            return '';
        }

        if (!$this->om->contains($object)) {
            throw new RuntimeException(\sprintf('Entity of type "%s" passed to the choice field must be managed. Maybe you forget to persist it in the entity manager?', \get_debug_type($object)));
        }

        $this->om->initializeObject($object);

        $idValue = \current($this->classMetadata->getIdentifierValues($object));

        if ($this->associationIdReader) {
            $idValue = $this->associationIdReader->getIdValue($idValue);
        }

        return (string) $idValue;
    }

    /**
     * Returns the name of the ID field.
     *
     * This method assumes that the object has a single-column ID.
     */
    public function getIdField(): string
    {
        return $this->idField;
    }
}