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<?php declare(strict_types = 1);
/*
 * Copyright (c) 2019, Josef Kufner  <josef@kufner.cz>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
namespace Smalldb\StateMachine\Test\Example\Tag;
use Doctrine\DBAL\Connection;
use Doctrine\DBAL\DBALException;
use Smalldb\StateMachine\Test\Example\Tag\TagData\TagData;
use Smalldb\StateMachine\Transition\MethodTransitionsDecorator;
use Smalldb\StateMachine\Transition\TransitionDecorator;
use Smalldb\StateMachine\Transition\TransitionEvent;
use Smalldb\StateMachine\Transition\TransitionGuard;
class TagTransitions extends MethodTransitionsDecorator implements TransitionDecorator
{
    private Connection $db;
    public function __construct(TransitionGuard $guard, Connection $db)
    {
        parent::__construct($guard);
        $this->db = $db;
    }
    /**
     * @throws DBALException
     */
    protected function create(TransitionEvent $transitionEvent, Tag $ref, TagData $data): int
    {
        $stmt = $this->db->prepare("
            INSERT INTO symfony_demo_tag (id, name)
            VALUES (:id, :name)
        ");
        $id = $ref->getMachineId();
        $stmt->execute([
            'id' => $id,
            'name' => $data->getName(),
        ]);
        if ($id === null) {
            $newId = (int)$this->db->lastInsertId();
            $transitionEvent->setNewId($newId);
            return $newId;
        } else {
            return $id;
        }
    }
    /**
     * @throws DBALException
     */
    protected function update(TransitionEvent $transitionEvent, Tag $ref, TagData $data): void
    {
        $stmt = $this->db->prepare("
            UPDATE symfony_demo_tag
            SET
                id = :newId,
                name = :name
            WHERE
                id = :oldId
        ");
        $oldId = $ref->getId();
        $newId = $data->getId();
        $stmt->execute([
            'oldId' => $oldId,
            'newId' => $newId,
            'name' => $data->getName(),
        ]);
        if ($oldId != $newId) {
            $transitionEvent->setNewId($newId);
        }
    }
    /**
     * @throws DBALException
     */
    protected function delete(TransitionEvent $transitionEvent, Tag $ref): void
    {
        $id = $ref->getId();
        $stmt = $this->db->prepare("
            DELETE FROM symfony_demo_tag
            WHERE id = :id
        ");
        $stmt->execute([
            'id' => $id,
        ]);
        $transitionEvent->setNewId(null);
    }
}