Maslosoft\Mangan\Command

Complexity

Total Complexity

16

Size/Duplication

Total Lines	103
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	5

Test Coverage

Coverage

76.47%

Importance

Changes	1
Bugs	0	Features	0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	10	2
D	call()	0	28	10
A	__call()	0	8	2
A	create()	0	7	1
A	collStats()	0	9	1

<?php

/**
 * This software package is licensed under AGPL or Commercial license.
 *
 * @package maslosoft/mangan
 * @licence AGPL or Commercial
 * @copyright Copyright (c) Piotr Masełkowski <pmaselkowski@gmail.com>
 * @copyright Copyright (c) Maslosoft
 * @copyright Copyright (c) Others as mentioned in code
 * @link https://maslosoft.com/mangan/
 */

namespace Maslosoft\Mangan;

use Maslosoft\Addendum\Interfaces\AnnotatedInterface;
use Maslosoft\Mangan\Exceptions\CommandException;
use Maslosoft\Mangan\Exceptions\CommandNotFoundException;
use Maslosoft\Mangan\Helpers\CollectionNamer;
use Maslosoft\Mangan\Meta\ManganMeta;

/**
 * Command
 *
 * @author Piotr Maselkowski <pmaselkowski at gmail.com>
 */
class Command
{

	use Traits\AvailableCommands;

	/**
	 *
	 * @var AnnotatedInterface
	 */
	private $model = null;

	/**
	 *
	 * @var Mangan
	 */
	private $mn = null;

	public function __construct(AnnotatedInterface $model = null)
	{
		$this->model = $model;
		if (empty($model))
		{
			$this->mn = Mangan::fly();
			return;
		}
		$this->mn = Mangan::fromModel($model);
	}

	public function call($command, $arguments = [])
	{
		$arg = $this->model ? CollectionNamer::nameCollection($this->model) : true;
		$cmd = [$command => $arg];
		if (is_array($arguments) && count($arguments))
		{
			$cmd = array_merge($cmd, $arguments);
		}
		$result = $this->mn->getDbInstance()->command($cmd);

		if (array_key_exists('errmsg', $result) && array_key_exists('ok', $result) && $result['ok'] == 0)
		{
			if (array_key_exists('bad cmd', $result))
			{
				$badCmd = key($result['bad cmd']);
				if ($badCmd == $command)
				{
					throw new CommandNotFoundException(sprintf('Command `%s` not found', $command));
				}
			}
			elseif (strpos($result['errmsg'], 'no such command') !== false)
			{
				throw new CommandNotFoundException(sprintf('Command `%s` not found', $command));
			}
			throw new CommandException(sprintf('Could not execute command `%s`, mongo returned: "%s"', $command, $result['errmsg']));
		}
		return $result;
	}

	public function __call($name, $arguments)
	{
		if (count($arguments))
		{
			return $this->call($name, $arguments[0]);
		}
		return $this->call($name);
	}

	/**
	 * Explicitly creates a collection or view.
	 *
	 * Parameter `$params` depends on MongoDB version,
	 * see (official documentation)[https://docs.mongodb.com/manual/reference/command/create/] for details
	 *
	 * @param string $collectionName The name of the new collection
	 * @param array $params
	 * @return array
	 */
	public function create($collectionName, $params = [])
	{
		$cmd = [
			'create' => $collectionName
		];
		return $this->mn->getDbInstance()->command(array_merge($cmd, $params));
	}

	/**
	 * The `collStats` command returns a variety of storage statistics for a given collection.
	 *
	 * @param string $collectionName The name of the target collection. If the collection does not exist, collStats returns an error message.
	 * @param int $scale Optional. The scale used in the output to display the sizes of items. By default, output displays sizes in bytes. To display kilobytes rather than bytes, specify a scale value of 1024. The scale factor rounds values to whole numbers.
	 * @param boolean $verbose Optional. When true, collStats increases reporting for the MMAPv1 Storage Engine. Defaults to false.
	 * @return array
	 */
	public function collStats($collectionName, $scale = 1, $verbose = false)
	{
		$cmd = [
			'collStats' => $collectionName,
			'scale' => $scale,
			'verbose' => $verbose
		];
		return $this->mn->getDbInstance()->command($cmd);
	}

}