AssociationDecorator.php

<?php

/*
 * © 2016 IRSTEA
 * Guillaume Perréal <guillaume.perreal@irstea.fr>
 * Tous droits réservés.
 */

namespace Irstea\PlantUmlBundle\Doctrine;

use Doctrine\ORM\Mapping\ClassMetadata;
use Irstea\PlantUmlBundle\Model\Arrow\BaseArrow;
use Irstea\PlantUmlBundle\Model\ClassVisitorInterface;
use Irstea\PlantUmlBundle\Model\NodeInterface;
use ReflectionClass;

/**
 * Description of RelationDecorator
 *
 * @author Guillaume Perréal <guillaume.perreal@irstea.fr>
 */
class AssociationDecorator extends AbstractDoctrineDecorator
{
    protected function decorateEntity(ClassMetadata $metadata, NodeInterface $node, ClassVisitorInterface $visitor)
    {
        $associations = $metadata->getAssociationMappings();
        if(empty($associations)) {
            return;
        }

        foreach($associations as $association) {
            $this->visitAssociation($node, $visitor, $association);
        }
    }

    protected function visitAssociation(NodeInterface $node, ClassVisitorInterface $visitor, array $association)
    {
        if (!$association['isOwningSide']) {
            return;
        }

        $target  = $visitor->visitClass($association['targetEntity']);
        if ($target === false) {
            return;
        }

        $link = "-->";
        if ($association["isCascadeRemove"]) {
            $link = "o".$link;
        }

        $leftLabel = "";
        $rightLabel = "";
        switch($association["type"]) {
            case ClassMetadata::ONE_TO_ONE:
                $leftLabel = '1';
                $rightLabel = '1';
                break;
            case ClassMetadata::ONE_TO_MANY:
                $leftLabel = '1';
                $rightLabel = '*';
                break;
            case ClassMetadata::MANY_TO_MANY:
                $leftLabel = '*';
                $rightLabel = '*';
                break;
            case ClassMetadata::MANY_TO_ONE:
                $leftLabel = '*';
                $rightLabel = '1';
                break;