Graze\DataFlow\Flow\File\Compression\Compress

Complexity

Total Complexity

3

Size/Duplication

Total Lines	50
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	flow()	0	15	2

<?php
/**
 * This file is part of graze/data-flow
 *
 * Copyright (c) 2016 Nature Delivered Ltd. <https://www.graze.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @license https://github.com/graze/data-flow/blob/master/LICENSE.md
 * @link    https://github.com/graze/data-flow
 */

namespace Graze\DataFlow\Flow\File\Compression;

use Graze\DataFile\Helper\OptionalLoggerTrait;
use Graze\DataFile\Modify\Compress\CompressionFactory;
use Graze\DataFile\Modify\Exception\InvalidCompressionTypeException;
use Graze\DataFile\Node\LocalFile;
use Graze\DataFlow\Flow\InvokeTrait;
use Graze\DataFlow\FlowInterface;
use Graze\DataNode\NodeInterface;
use InvalidArgumentException;
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LogLevel;

class Compress implements FlowInterface, LoggerAwareInterface
{
    use InvokeTrait;
    use OptionalLoggerTrait;

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

    /**
     * @var array
     */
    private $options;

    /**
     * Compress constructor.
     *
     * @param string $compression
     * @param array  $options
     */
    public function __construct($compression, array $options = [])
    {
        $this->compression = $compression;
        $this->options = $options;
    }

    /**
     * @param NodeInterface $node
     *
     * @return LocalFile
     * @throws InvalidCompressionTypeException
     *
     */
    public function flow(NodeInterface $node)
    {
        if (!($node instanceof LocalFile)) {
            throw new InvalidArgumentException("Node: $node should be an instance of LocalFile");
        }

        $factory = new CompressionFactory();

        $compressor = $factory->getCompressor($this->compression);
        $this->log(LogLevel::INFO, "Compressing file: '{file}' using '{compression}'", [
            'file'        => $node,
            'compression' => $this->compression,
        ]);
        return $compressor->compress($node, $this->options);
    }
}