Digia\GraphQL\Language\DirectorySourceBuilder

Complexity

Total Complexity

6

Size/Duplication

Total Lines	44
Duplicated Lines	0 %

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	buildSource()	0	21	5
A	__construct()	0	3	1

<?php

namespace Digia\GraphQL\Language;

use Digia\GraphQL\Error\InvariantException;

/**
 * Class DirectorySourceBuilder
 * @package Digia\GraphQL\Language
 */
class DirectorySourceBuilder implements SourceBuilderInterface
{

    /**
     * @var string
     */
    private $directoryPath;

    /**
     * DirectorySourceBuilder constructor.
     * @param string $directoryPath
     */
    public function __construct(string $directoryPath)
    {
        $this->directoryPath = $directoryPath;
    }


    /**
     * @inheritdoc
     *
     * @throws InvariantException
     */
    public function buildSource(): Source
    {
        $iterator       = new \DirectoryIterator($this->directoryPath);
        $combinedSource = '';

        foreach ($iterator as $item) {
            // Skip directories and dot files
            if ($item->isDot() || !$item->isFile()) {
                continue;
            }

            $itemPath = $item->getPathname();

            if (!$item->isReadable()) {
                throw new InvariantException(sprintf('The file %s is not readable', $itemPath));
            }

            $combinedSource .= \file_get_contents($itemPath);
        }

        return new Source($combinedSource);
    }
}