N98\Magento\Command\Database\Compressor\AbstractCompressor

Complexity

Total Complexity

6

Size/Duplication

Total Lines	61
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	3

Importance

Changes	1
Bugs	0	Features	0

5 Methods

Rating	Name	Duplication	Size	Complexity
B	create()	0	15	5
	getCompressingCommand()	0	1	?
	getDecompressingCommand()	0	1	?
	getFileName()	0	1	?
A	hasPipeViewer()	0	4	1

<?php

namespace N98\Magento\Command\Database\Compressor;

use InvalidArgumentException;
use N98\Util\OperatingSystem;

abstract class AbstractCompressor
{
    /**
     * @param string $type
     * @return AbstractCompressor
     * @throws InvalidArgumentException
     */
    public static function create($type)
    {
        switch ($type) {
            case null:
            case 'none':
                return new Uncompressed;

            case 'gz':
            case 'gzip':
                return new Gzip;

            default:
                throw new InvalidArgumentException("Compression type '{$type}' is not supported.");
        }
    }

    /**
     * Returns the command line for compressing the dump file.
     *
     * @param string $command
     * @param bool $pipe
     * @return string
     */
    abstract public function getCompressingCommand($command, $pipe = true);

    /**
     * Returns the command line for decompressing the dump file.
     *
     * @param string $command MySQL client tool connection string
     * @param string $fileName Filename (shell argument escaped)
     * @param bool $pipe
     * @return string
     */
    abstract public function getDecompressingCommand($command, $fileName, $pipe = true);

    /**
     * Returns the file name for the compressed dump file.
     *
     * @param string $fileName
     * @param bool $pipe
     * @return string
     */
    abstract public function getFileName($fileName, $pipe = true);

    /**
     * Check whether pv is installed
     *
     * @return bool
     */
    protected function hasPipeViewer()
    {
        return OperatingSystem::isProgramInstalled('pv');
    }
}