Logger::log() - Code Metrics - Inspection of "Update CHANGELOG.md" - MarwanAlsoltany/amqp-agent - Measure and Improve Code Quality continuously with Scrutinizer

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Push — dev ( add87b...32bbde )

by Marwan

created 2021-08-28 08:29 UTC

Logger::log() B

↳ Parent: Logger

Complexity

Conditions	9
Paths	56

Size

Total Lines	65
Code Lines	37

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	30
CRAP Score	9

Importance

Changes	8
Bugs	0	Features	0

Metric	Value
eloc	37
c	8
b	0
f	0
dl	0
loc	65
ccs	30
cts	30
cp	1
rs	7.7724
cc	9
nc	56
nop	3
crap	9

How to fix Long Method

<?php

/**
 * @author Marwan Al-Soltany <[email protected]>
 * @copyright Marwan Al-Soltany 2020
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

declare(strict_types=1);

namespace MAKS\AmqpAgent\Helper;

use MAKS\AmqpAgent\Helper\Utility;

/**
 * A class to write logs, exposing methods that work statically and on instantiation.
 * This class DOES NOT implement `Psr\Log\LoggerInterface`.
 *
 * Example:
 * ```
 * // static
 * Logger::log('Some message to log.', 'filename', 'path/to/some/directory');
 * // instantiated
 * $logger = new Logger();
 * $logger->setFilename('filename');
 * $logger->setDirectory('path/to/some/directory');
 * $logger->write('Some message to log.');
 * ```
 *
 * @since 1.0.0
 */
class Logger
{
    /**
     * The filename of the log file.
     * @var string
     */
    public $filename;

    /**
     * The directory where the log file gets written.
     * @var string
     */
    public $directory;


    /**
     * Passing null for $directory will raise a warning and force the logger to find a reasonable directory to write the file in.
     * @param string|null $filename The name wished to be given to the file. Pass null for auto-generate.
     * @param string|null $directory The directory where the log file should be written.
     */
    public function __construct(?string $filename, ?string $directory)
    {
        $this->filename = $filename;
        $this->directory = $directory;
    }


    /**
     * Logs a message to a file, generates it if it does not exist and raises a user-level warning and/or notice on misuse.
     * @param string $message The message wished to be logged.
     * @return bool True on success.
     */
    public function write(string $message): bool
    {
        return self::log($message, $this->filename, $this->directory);
    }

    /**
     * Gets filename property.
     * @return string
     */
    public function getFilename()
    {
        return $this->filename;
    }

    /**
     * Sets filename property.
     * @param string $filename The filename.
     * @return self
     */
    public function setFilename(string $filename)
    {
        $this->filename = $filename;
        return $this;
    }

    /**
     * Gets directory property.
     * @return string
     */
    public function getDirectory()
    {
        return $this->directory;
    }

    /**
     * Sets directory property.
     * @param string $directory The directory.
     * @return self
     */
    public function setDirectory(string $directory)
    {
        $this->directory = $directory;
        return $this;
    }


    /**
     * Logs a message to a file, generates it if it does not exist and raises a user-level warning and/or notice on misuse.
     * @param string $message The message wished to be logged.
     * @param string|null $filename [optional] The name wished to be given to the file. If not provided a Notice will be raised with the auto-generated filename.
     * @param string|null $directory [optional] The directory where the log file should be written. If not provided a Warning will be raised with the used path.
     * @return bool True if message was written.
     */
    public static function log(string $message, ?string $filename = null, ?string $directory = null): bool
    {
        $passed = false;

        if (null === $filename) {
            $filename = self::getFallbackFilename();
            Utility::emit(
                [
                    'yellow' => sprintf('%s() was called without specifying a filename.', __METHOD__),
                    'green'  => sprintf('Log file will be named: "%s".', $filename)
                ],
                null,
                E_USER_NOTICE
            );
        }

        if (null === $directory) {
            $directory = self::getFallbackDirectory();
            Utility::emit(
                [
                    'yellow' => sprintf('%s() was called without specifying a directory.', __METHOD__),
                    'red'    => sprintf('Log file will be written in: "%s".', $directory)
                ],
                null,
                E_USER_WARNING
            );
        }

        $file = self::getNormalizedPath($directory, $filename);

        // create log file if it does not exist
        if (!is_file($file) && is_writable($directory)) {
            $signature = 'Created by ' . __METHOD__ . date('() \o\\n l jS \of F Y h:i:s A (Ymdhis)') . PHP_EOL;
            file_put_contents($file, $signature, 0, stream_context_create());
            chmod($file, 0775);
        }

        // write in the log file
        if (is_writable($file)) {
            // empty the the file if it exceeds 64MB
            // @codeCoverageIgnoreStart
            clearstatcache(true, $file);
            if (filesize($file) > 6.4e+7) {
                $stream = fopen($file, 'r');
                if (is_resource($stream)) {
                    $signature = fgets($stream) . 'For exceeding 64MB, it was overwritten on ' . date('l jS \of F Y h:i:s A (Ymdhis)') . PHP_EOL;
                    fclose($stream);
                    file_put_contents($file, $signature, 0, stream_context_create());
                    chmod($file, 0775);
                }
            }
            // @codeCoverageIgnoreEnd

            $timestamp = Utility::time()->format(DATE_ISO8601);
            $log = $timestamp . ' ' . $message . PHP_EOL;

            $stream = fopen($file, 'a+');
            if (is_resource($stream)) {
                fwrite($stream, $log);
                fclose($stream);
                $passed = true;
            }
        }

        return $passed;
    }

    /**
     * Returns a fallback filename based on date.
     * @since 1.2.1
     * @return string
     */
    protected static function getFallbackFilename(): string
    {
        return 'maks-amqp-agent-log-' . date("Ymd");
    }

    /**
     * Returns a fallback writing directory based on caller.
     * @since 1.2.1
     * @return string
     */
    protected static function getFallbackDirectory(): string
    {
        $backtrace = Utility::backtrace(['file'], 0);
        $fallback1 = strlen($_SERVER["DOCUMENT_ROOT"]) ? $_SERVER["DOCUMENT_ROOT"] : null;
        $fallback2 = isset($backtrace['file']) ? dirname($backtrace['file']) : __DIR__;

        return $fallback1 ?? $fallback2;
    }

    /**
     * Returns a normalized path based on OS.
     * @since 1.2.1
     * @param string $directory The directory.
     * @param string $filename The Filename.
     * @return string The full normalized path.
     */
    protected static function getNormalizedPath(string $directory, string $filename): string
    {
        $ext = '.log';
        $filename = substr($filename, -strlen($ext)) === $ext ? $filename : $filename . $ext;
        $directory = $directory . DIRECTORY_SEPARATOR;
        $path = $directory . $filename;

        return preg_replace("/\/+|\\+/", DIRECTORY_SEPARATOR, $path);
    }
}


1		<?php
2
3		/**
4		* @author Marwan Al-Soltany <[email protected]>
5		* @copyright Marwan Al-Soltany 2020
6		* For the full copyright and license information, please view
7		* the LICENSE file that was distributed with this source code.
8		*/
9
10		declare(strict_types=1);
11
12		namespace MAKS\AmqpAgent\Helper;
13
14		use MAKS\AmqpAgent\Helper\Utility;
15
16		/**
17		* A class to write logs, exposing methods that work statically and on instantiation.
18		* This class DOES NOT implement `Psr\Log\LoggerInterface`.
19		*
20		* Example:
21		* ```
22		* // static
23		* Logger::log('Some message to log.', 'filename', 'path/to/some/directory');
24		* // instantiated
25		* $logger = new Logger();
26		* $logger->setFilename('filename');
27		* $logger->setDirectory('path/to/some/directory');
28		* $logger->write('Some message to log.');
29		* ```
30		*
31		* @since 1.0.0
32		*/
33		class Logger
34		{
35		/**
36		* The filename of the log file.
37		* @var string
38		*/
39		public $filename;
40
41		/**
42		* The directory where the log file gets written.
43		* @var string
44		*/
45		public $directory;
46
47
48		/**
49		* Passing null for $directory will raise a warning and force the logger to find a reasonable directory to write the file in.
50		* @param string\|null $filename The name wished to be given to the file. Pass null for auto-generate.
51		* @param string\|null $directory The directory where the log file should be written.
52		*/
53	5	public function __construct(?string $filename, ?string $directory)
54		{
55	5	$this->filename = $filename;
56	5	$this->directory = $directory;
57	5	}
58
59
60		/**
61		* Logs a message to a file, generates it if it does not exist and raises a user-level warning and/or notice on misuse.
62		* @param string $message The message wished to be logged.
63		* @return bool True on success.
64		*/
65	2	public function write(string $message): bool
66		{
67	2	return self::log($message, $this->filename, $this->directory);
68		}
69
70		/**
71		* Gets filename property.
72		* @return string
73		*/
74	1	public function getFilename()
75		{
76	1	return $this->filename;
77		}
78
79		/**
80		* Sets filename property.
81		* @param string $filename The filename.
82		* @return self
83		*/
84	1	public function setFilename(string $filename)
85		{
86	1	$this->filename = $filename;
87	1	return $this;
88		}
89
90		/**
91		* Gets directory property.
92		* @return string
93		*/
94	1	public function getDirectory()
95		{
96	1	return $this->directory;
97		}
98
99		/**
100		* Sets directory property.
101		* @param string $directory The directory.
102		* @return self
103		*/
104	1	public function setDirectory(string $directory)
105		{
106	1	$this->directory = $directory;
107	1	return $this;
108		}
109
110
111		/**
112		* Logs a message to a file, generates it if it does not exist and raises a user-level warning and/or notice on misuse.
113		* @param string $message The message wished to be logged.
114		* @param string\|null $filename [optional] The name wished to be given to the file. If not provided a Notice will be raised with the auto-generated filename.
115		* @param string\|null $directory [optional] The directory where the log file should be written. If not provided a Warning will be raised with the used path.
116		* @return bool True if message was written.
117		*/
118	3	public static function log(string $message, ?string $filename = null, ?string $directory = null): bool
119		{
120	3	$passed = false;
121
122	3	if (null === $filename) {
123	1	$filename = self::getFallbackFilename();
124	1	Utility::emit(
125		[
126	1	'yellow' => sprintf('%s() was called without specifying a filename.', __METHOD__),
127	1	'green' => sprintf('Log file will be named: "%s".', $filename)
128		],
129	1	null,
130	1	E_USER_NOTICE
131		);
132		}
133
134	3	if (null === $directory) {
135	1	$directory = self::getFallbackDirectory();
136	1	Utility::emit(
137		[
138	1	'yellow' => sprintf('%s() was called without specifying a directory.', __METHOD__),
139	1	'red' => sprintf('Log file will be written in: "%s".', $directory)
140		],
141	1	null,
142	1	E_USER_WARNING
143		);
144		}
145
146	3	$file = self::getNormalizedPath($directory, $filename);
147
148		// create log file if it does not exist
149	3	if (!is_file($file) && is_writable($directory)) {
150	3	$signature = 'Created by ' . __METHOD__ . date('() \o\\n l jS \of F Y h:i:s A (Ymdhis)') . PHP_EOL;
151	3	file_put_contents($file, $signature, 0, stream_context_create());
152	3	chmod($file, 0775);
153		}
154
155		// write in the log file
156	3	if (is_writable($file)) {
157		// empty the the file if it exceeds 64MB
158		// @codeCoverageIgnoreStart
159		clearstatcache(true, $file);
160		if (filesize($file) > 6.4e+7) {
161		$stream = fopen($file, 'r');
162		if (is_resource($stream)) {
163		$signature = fgets($stream) . 'For exceeding 64MB, it was overwritten on ' . date('l jS \of F Y h:i:s A (Ymdhis)') . PHP_EOL;
164		fclose($stream);
165		file_put_contents($file, $signature, 0, stream_context_create());
166		chmod($file, 0775);
167		}
168		}
169		// @codeCoverageIgnoreEnd
170
171	3	$timestamp = Utility::time()->format(DATE_ISO8601);
172	3	$log = $timestamp . ' ' . $message . PHP_EOL;
173
174	3	$stream = fopen($file, 'a+');
175	3	if (is_resource($stream)) {
176	3	fwrite($stream, $log);
177	3	fclose($stream);
178	3	$passed = true;
179		}
180		}
181
182	3	return $passed;
183		}
184
185		/**
186		* Returns a fallback filename based on date.
187		* @since 1.2.1
188		* @return string
189		*/
190	1	protected static function getFallbackFilename(): string
191		{
192	1	return 'maks-amqp-agent-log-' . date("Ymd");
193		}
194
195		/**
196		* Returns a fallback writing directory based on caller.
197		* @since 1.2.1
198		* @return string
199		*/
200	1	protected static function getFallbackDirectory(): string
201		{
202	1	$backtrace = Utility::backtrace(['file'], 0);
203	1	$fallback1 = strlen($_SERVER["DOCUMENT_ROOT"]) ? $_SERVER["DOCUMENT_ROOT"] : null;
204	1	$fallback2 = isset($backtrace['file']) ? dirname($backtrace['file']) : __DIR__;
205
206	1	return $fallback1 ?? $fallback2;
207		}
208
209		/**
210		* Returns a normalized path based on OS.
211		* @since 1.2.1
212		* @param string $directory The directory.
213		* @param string $filename The Filename.
214		* @return string The full normalized path.
215		*/
216	3	protected static function getNormalizedPath(string $directory, string $filename): string
217		{
218	3	$ext = '.log';
219	3	$filename = substr($filename, -strlen($ext)) === $ext ? $filename : $filename . $ext;
220	3	$directory = $directory . DIRECTORY_SEPARATOR;
221	3	$path = $directory . $filename;
222
223	3	return preg_replace("/\/+\|\\+/", DIRECTORY_SEPARATOR, $path);
224		}
225		}
226

MarwanAlsoltany / amqp-agent

Push — dev ( add87b...32bbde )

Logger::log() B

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