Balloon\Migration\Delta\Md5BlobIgnoreNull

Complexity

Total Complexity

5

Size/Duplication

Total Lines	49
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Test Coverage

Coverage

0%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	start()	0	15	3
A	createIndex()	0	9	1

<?php

declare(strict_types=1);

/**
 * balloon
 *
 * @copyright   Copryright (c) 2012-2018 gyselroth GmbH (https://gyselroth.com)
 * @license     GPL-3.0 https://opensource.org/licenses/GPL-3.0
 */

namespace Balloon\Migration\Delta;

use MongoDB\Database;
use MongoDB\Driver\Exception\CommandException;

class Md5BlobIgnoreNull implements DeltaInterface
{
    /**
     * Database.
     *
     * @var Database
     */
    protected $db;

    /**
     * Construct.
     */
    public function __construct(Database $db)
    {
        $this->db = $db;
    }

    /**
     * Change unique md5 index to ignore null blobs.
     */
    public function start(): bool
    {
        try {
            $this->createIndex();
        } catch (CommandException $e) {

The class MongoDB\Driver\Exception\CommandException does not exist. Did you forget a USE statement, or did you not list all dependencies?

            if ($e->getCode() === 85) {
                $this->db->selectCollection('fs.files')->dropIndex('md5_1');
                $this->createIndex();
            } else {
                throw $e;
            }
        }

        return true;
    }

    /**
     * Create index.
     */
    protected function createIndex(): string
    {
        return $this->db->selectCollection('fs.files')->createIndex(['md5' => 1], [
            'unique' => true,
            'partialFilterExpression' => [
                'md5' => ['$exists' => true],
            ],
        ]);
    }
}