ModelManager::saveToFile() - Code Metrics - Inspection of "Persistence class to save and restore models (#37)" - php-ai/php-ml - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( c1b1a5...8f122f )

by Arkadiusz

created 2017-02-02 08:03 UTC

ModelManager::saveToFile() B

↳ Parent: ModelManager

Complexity

Conditions	5
Paths	4

Size

Total Lines	16
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	16
rs	8.8571
cc	5
eloc	9
nc	4
nop	2

<?php

declare(strict_types=1);

namespace Phpml;

use Phpml\Estimator;
use Phpml\Exception\SerializeException;
use Phpml\Exception\FileException;

class ModelManager
{
    /**
     * @param Estimator     $object
     * @param string        $filepath
     */
    public function saveToFile(Estimator $object, string $filepath)
    {
        if (!file_exists($filepath) || !is_writable(dirname($filepath))) {
            throw FileException::cantSaveFile(basename($filepath));
        }

        $serialized = serialize($object);
        if (empty($serialized)) {
            throw SerializeException::cantSerialize(get_type($object));
        }

        $result = file_put_contents($filepath, $serialized, LOCK_EX);
        if ($result === false) {
            throw FileException::cantSaveFile(basename($filepath));
        }
    }

    /**
     * @param string $filepath
     *
     * @return Estimator
     */
    public function restoreFromFile(string $filepath)
    {
        if (!file_exists($filepath) || !is_readable($filepath)) {
            throw FileException::cantOpenFile(basename($filepath));
        }

        $object = unserialize(file_get_contents($filepath));
        if ($object === false) {
            throw SerializeException::cantUnserialize(basename($filepath));
        }

        return $object;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Phpml;
6
7			use Phpml\Estimator;
8			use Phpml\Exception\SerializeException;
9			use Phpml\Exception\FileException;
10
11			class ModelManager
12			{
13			/**
14			* @param Estimator $object
15			* @param string $filepath
16			*/
17			public function saveToFile(Estimator $object, string $filepath)
18			{
19			if (!file_exists($filepath) \|\| !is_writable(dirname($filepath))) {
20			throw FileException::cantSaveFile(basename($filepath));
21			}
22
23			$serialized = serialize($object);
24			if (empty($serialized)) {
25			throw SerializeException::cantSerialize(get_type($object));
26			}
27
28			$result = file_put_contents($filepath, $serialized, LOCK_EX);
29			if ($result === false) {
30			throw FileException::cantSaveFile(basename($filepath));
31			}
32			}
33
34			/**
35			* @param string $filepath
36			*
37			* @return Estimator
38			*/
39			public function restoreFromFile(string $filepath)
40			{
41			if (!file_exists($filepath) \|\| !is_readable($filepath)) {
42			throw FileException::cantOpenFile(basename($filepath));
43			}
44
45			$object = unserialize(file_get_contents($filepath));
46			if ($object === false) {
47			throw SerializeException::cantUnserialize(basename($filepath));
48			}
49
50			return $object;
51			}
52			}
53

php-ai / php-ml

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ModelManager::saveToFile() B

Complexity

Size

Duplication

Importance

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