app/bundles/PointBundle/Entity/GroupContactScore.php

<?php

declare(strict_types=1);

namespace Mautic\PointBundle\Entity;

use Doctrine\DBAL\Types\Types;
use Doctrine\ORM\Mapping as ORM;
use Mautic\ApiBundle\Serializer\Driver\ApiMetadataDriver;
use Mautic\CoreBundle\Doctrine\Mapping\ClassMetadataBuilder;
use Mautic\CoreBundle\Entity\CommonEntity;
use Mautic\LeadBundle\Entity\Lead;

class GroupContactScore extends CommonEntity
{
    public const TABLE_NAME = 'point_group_contact_score';

    private Lead $contact;

    private Group $group;

    private int $score;

    public function __construct()
    {
        $this->contact = new Lead();
        $this->group   = new Group();
        $this->score   = 0;
    }

    /**
     * @param ORM\ClassMetadata<GroupContactScore> $metadata
     */
    public static function loadMetadata(ORM\ClassMetadata $metadata): void
    {
        $builder = new ClassMetadataBuilder($metadata);

        $builder->setTable(self::TABLE_NAME)
            ->setCustomRepositoryClass(GroupContactScoreRepository::class);

        $builder->addContact(false, 'CASCADE', true, 'groupScores');

        $builder->createManyToOne('group', Group::class)
            ->isPrimaryKey()
            ->addJoinColumn('group_id', 'id', true, false, 'CASCADE')
            ->build();

        $builder->createField('score', Types::INTEGER)
            ->build();
    }

    public static function loadApiMetadata(ApiMetadataDriver $metadata): void
    {
        $metadata->setGroupPrefix('groupContactScore')
            ->addListProperties(
                [
                    'score',
                    'group',
                ]
            )
            ->addProperties(
                [
                    'score',
                    'group',
                ]
            )
            ->build();
    }

    public function getContact(): Lead
    {
        return $this->contact;
    }

    public function setContact(Lead $contact): void
    {
        $this->contact = $contact;
    }

    public function getGroup(): Group
    {
        return $this->group;
    }

    public function setGroup(Group $group): void
    {
        $this->group = $group;
    }

    public function getScore(): int
    {
        return $this->score;
    }

    public function setScore(int $score): void
    {
        $this->score = $score;
    }
}