LaravelLogViewer::tryJson() - Code Metrics - Inspection of "be able to display "contextual information" of log..." - rap2hpoutre/laravel-log-viewer - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#154)

unknown

created 2018-07-11 13:32 UTC

LaravelLogViewer::tryJson() B

↳ Parent: LaravelLogViewer

Complexity

Conditions	7
Paths	15

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	38
rs	8.3786
c	0
b	0
f	0
cc	7
nc	15
nop	1

<?php
namespace Rap2hpoutre\LaravelLogViewer;

use Psr\Log\LogLevel;

/**
 * Class LaravelLogViewer
 * @package Rap2hpoutre\LaravelLogViewer
 */
class LaravelLogViewer
{
    /**
     * @var string file
     */
    private static $file;

    private static $levels_classes = [
        'debug' => 'info',
        'info' => 'info',
        'notice' => 'info',
        'warning' => 'warning',
        'error' => 'danger',
        'critical' => 'danger',
        'alert' => 'danger',
        'emergency' => 'danger',
        'processed' => 'info',
        'failed' => 'warning',
    ];

    private static $levels_imgs = [
        'debug' => 'info-circle',
        'info' => 'info-circle',
        'notice' => 'info-circle',
        'warning' => 'exclamation-triangle',
        'error' => 'exclamation-triangle',
        'critical' => 'exclamation-triangle',
        'alert' => 'exclamation-triangle',
        'emergency' => 'exclamation-triangle',
        'processed' => 'info-circle',
        'failed' => 'exclamation-triangle'
    ];

    /**
     * Log levels that are used
     * @var array
     */
    private static $log_levels = [
        'emergency',
        'alert',
        'critical',
        'error',
        'warning',
        'notice',
        'info',
        'debug',
        'processed',
        'failed'
    ];

    const MAX_FILE_SIZE = 52428800; // Why? Uh... Sorry

    /**
     * @param string $file
     */
    public static function setFile($file)
    {
        $file = self::pathToLogFile($file);

        if (app('files')->exists($file)) {
            self::$file = $file;
        }
    }

    /**
     * @param string $file
     * @return string
     * @throws \Exception
     */
    public static function pathToLogFile($file)
    {
        $logsPath = storage_path('logs');

        if (app('files')->exists($file)) { // try the absolute path
            return $file;
        }

        $file = $logsPath . '/' . $file;

        // check if requested file is really in the logs directory
        if (dirname($file) !== $logsPath) {
            throw new \Exception('No such log file');
        }

        return $file;
    }

    /**
     * @return string
     */
    public static function getFileName()
    {
        return basename(self::$file);
    }

    /**
     * @return array
     */
    public static function all()
    {
        if (!self::$file) {
            $log_file = self::getFiles();
            if(!count($log_file)) {
                return [];
            }
            self::$file = $log_file[0];
        }

        if (app('files')->size(self::$file) > self::MAX_FILE_SIZE) return null;

        $file = app('files')->get(self::$file);

        $log = static::tryJson($file);
class YourClass
{
    private static function getTemperature() {
        return "3422 °C";
}

public static function getSomeVariable()
{
    return static::getTemperature();
}
        if(!empty($log)) return $log;
        $log = static::tryLine($file);
class YourClass
{
    private static function getTemperature() {
        return "3422 °C";
}

public static function getSomeVariable()
{
    return static::getTemperature();
}
        if(!empty($log)) return $log;
        return static::tryDefault($file);
class YourClass
{
    private static function getTemperature() {
        return "3422 °C";
}

public static function getSomeVariable()
{
    return static::getTemperature();
}
    }

    private static function tryLine(&$file)
    {
        $log = [];
        $pattern = '/\[\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}([\+-]\d{4})?\].*/';

        preg_match_all($pattern, $file, $headings);

        if (!is_array($headings)) {
            return $log;
        }

        $log_data = preg_split($pattern, $file);

        if ($log_data[0] < 1) {
            array_shift($log_data);
        }

        foreach ($headings as $h) {
            for ($i=0, $j = count($h); $i < $j; $i++) {
                foreach (self::$log_levels as $level) {
                    if (strpos(strtolower($h[$i]), '.' . $level) || strpos(strtolower($h[$i]), $level . ':')) {

                        preg_match('/^\[(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}([\+-]\d{4})?)\](?:.*?(\w+)\.|.*?)' . $level . ': (.*?)( in .*?:[0-9]+)?$/i', $h[$i], $current);
                        if (!isset($current[4])) continue;

                        $log[] = array(
                            'channel' => $current[3],
                            'level' => $level,
                            'level_class' => self::$levels_classes[$level],
                            'level_img' => self::$levels_imgs[$level],
                            'date' => $current[1],
                            'text' => $current[4],
                            'in_file' => isset($current[5]) ? $current[5] : null,
                            'stack' => preg_replace("/^\n*/", '', $log_data[$i])
                        );
                    }
                }
            }
        }

        return array_reverse($log);
    }
    
    private static function tryJson(&$file)
    {
        try {
            $log = [];
            $lines = explode("\n", $file);

            if(json_decode($lines[0], true) === null) {
                return $log;
            }

            foreach($lines as $line) {
                if($line == '') continue;
                $decoded = json_decode($line, true);
                $level = strtolower($decoded['level_name']);
                $stack = null;
                $extra = array_merge($decoded['context'] ?? [], $decoded['extra'] ?? []);
                if(isset($decoded['context']) && isset($decoded['context']['exception'])) {
                    $stack = $decoded['context']['exception']['trace'];
                    unset($extra['exception']);
                }
                $log[] = [
                    'channel' => $decoded['channel'],
                    'level' => $level,
                    'level_class' => self::$levels_classes[$level],
                    'level_img' => self::$levels_imgs[$level],
                    'date' => $decoded['datetime']['date'],
                    'text' => $decoded['message'],
                    'in_file' => null,
                    'stack' => $stack,
                    'extra' => json_encode($extra, JSON_PRETTY_PRINT)
                ];
            }

            return array_reverse($log);
        } catch (\Exception $e) {
            return [];
        }
    }

    private static function tryDefault(&$file)
    {
        $lines = explode(PHP_EOL, $file);
        $log = [];

        foreach($lines as $key => $line) {
            $log[] = [
                'channel' => '',
                'level' => '',
                'level_class' => '',
                'level_img' => '',
                'date' => $key+1,
                'text' => $line,
                'in_file' => null,
                'stack' => '',
            ];
        }

        return array_reverse($log);
    }

    /**
     * @param bool $basename
     * @return array
     */
    public static function getFiles($basename = false)
    {
        $pattern = function_exists('config') ? config('logviewer.pattern', '*.log') : '*.log';
        $files = glob(storage_path() . '/logs/' . $pattern, preg_match('/\{.*?\,.*?\}/i', $pattern) ? GLOB_BRACE : 0);
        $files = array_reverse($files);
        $files = array_filter($files, 'is_file');
        if ($basename && is_array($files)) {
            foreach ($files as $k => $file) {
                $files[$k] = basename($file);
            }
        }
        return array_values($files);
    }
}


1			<?php
2			namespace Rap2hpoutre\LaravelLogViewer;
3
4			use Psr\Log\LogLevel;
5
6			/**
7			* Class LaravelLogViewer
8			* @package Rap2hpoutre\LaravelLogViewer
9			*/
10			class LaravelLogViewer
11			{
12			/**
13			* @var string file
14			*/
15			private static $file;
16
17			private static $levels_classes = [
18			'debug' => 'info',
19			'info' => 'info',
20			'notice' => 'info',
21			'warning' => 'warning',
22			'error' => 'danger',
23			'critical' => 'danger',
24			'alert' => 'danger',
25			'emergency' => 'danger',
26			'processed' => 'info',
27			'failed' => 'warning',
28			];
29
30			private static $levels_imgs = [
31			'debug' => 'info-circle',
32			'info' => 'info-circle',
33			'notice' => 'info-circle',
34			'warning' => 'exclamation-triangle',
35			'error' => 'exclamation-triangle',
36			'critical' => 'exclamation-triangle',
37			'alert' => 'exclamation-triangle',
38			'emergency' => 'exclamation-triangle',
39			'processed' => 'info-circle',
40			'failed' => 'exclamation-triangle'
41			];
42
43			/**
44			* Log levels that are used
45			* @var array
46			*/
47			private static $log_levels = [
48			'emergency',
49			'alert',
50			'critical',
51			'error',
52			'warning',
53			'notice',
54			'info',
55			'debug',
56			'processed',
57			'failed'
58			];
59
60			const MAX_FILE_SIZE = 52428800; // Why? Uh... Sorry
61
62			/**
63			* @param string $file
64			*/
65			public static function setFile($file)
66			{
67			$file = self::pathToLogFile($file);
68
69			if (app('files')->exists($file)) {
70			self::$file = $file;
71			}
72			}
73
74			/**
75			* @param string $file
76			* @return string
77			* @throws \Exception
78			*/
79			public static function pathToLogFile($file)
80			{
81			$logsPath = storage_path('logs');
82
83			if (app('files')->exists($file)) { // try the absolute path
84			return $file;
85			}
86
87			$file = $logsPath . '/' . $file;
88
89			// check if requested file is really in the logs directory
90			if (dirname($file) !== $logsPath) {
91			throw new \Exception('No such log file');
92			}
93
94			return $file;
95			}
96
97			/**
98			* @return string
99			*/
100			public static function getFileName()
101			{
102			return basename(self::$file);
103			}
104
105			/**
106			* @return array
107			*/
108			public static function all()
109			{
110			if (!self::$file) {
111			$log_file = self::getFiles();
112			if(!count($log_file)) {
113			return [];
114			}
115			self::$file = $log_file[0];
116			}
117
118			if (app('files')->size(self::$file) > self::MAX_FILE_SIZE) return null;
119
120			$file = app('files')->get(self::$file);
121
122			$log = static::tryJson($file);
			0 ignored issues – show Bug introduced 2018-07-11 13:33 UTC by Report Bug Copy Issue Report Since `tryJson()` is declared private, calling it with `static` will lead to errors in possible sub-classes. You can either use `self`, or increase the visibility of `tryJson()` to at least protected. Let’s assume you have a class which uses late-static binding: class YourClass { private static function getTemperature() { return "3422 °C"; } public static function getSomeVariable() { return static::getTemperature(); } } The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the `getSomeVariable()` on that sub-class, you will receive a runtime error: class YourSubClass extends YourClass { private static function getTemperature() { return "-182 °C"; } } print YourSubClass::getSomeVariable(); // Will cause an access error. In the case above, it makes sense to update `SomeClass` to use `self` instead: class YourClass { private static function getTemperature() { return "3422 °C"; } public static function getSomeVariable() { return self::getTemperature(); } } Loading history...
123			if(!empty($log)) return $log;
124			$log = static::tryLine($file);
			0 ignored issues – show Bug introduced 2018-07-11 13:33 UTC by Report Bug Copy Issue Report Since `tryLine()` is declared private, calling it with `static` will lead to errors in possible sub-classes. You can either use `self`, or increase the visibility of `tryLine()` to at least protected. Let’s assume you have a class which uses late-static binding: class YourClass { private static function getTemperature() { return "3422 °C"; } public static function getSomeVariable() { return static::getTemperature(); } } The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the `getSomeVariable()` on that sub-class, you will receive a runtime error: class YourSubClass extends YourClass { private static function getTemperature() { return "-182 °C"; } } print YourSubClass::getSomeVariable(); // Will cause an access error. In the case above, it makes sense to update `SomeClass` to use `self` instead: class YourClass { private static function getTemperature() { return "3422 °C"; } public static function getSomeVariable() { return self::getTemperature(); } } Loading history...
125			if(!empty($log)) return $log;
126			return static::tryDefault($file);
			0 ignored issues – show Bug introduced 2018-07-11 13:33 UTC by Report Bug Copy Issue Report Since `tryDefault()` is declared private, calling it with `static` will lead to errors in possible sub-classes. You can either use `self`, or increase the visibility of `tryDefault()` to at least protected. Let’s assume you have a class which uses late-static binding: class YourClass { private static function getTemperature() { return "3422 °C"; } public static function getSomeVariable() { return static::getTemperature(); } } The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the `getSomeVariable()` on that sub-class, you will receive a runtime error: class YourSubClass extends YourClass { private static function getTemperature() { return "-182 °C"; } } print YourSubClass::getSomeVariable(); // Will cause an access error. In the case above, it makes sense to update `SomeClass` to use `self` instead: class YourClass { private static function getTemperature() { return "3422 °C"; } public static function getSomeVariable() { return self::getTemperature(); } } Loading history...
127			}
128
129			private static function tryLine(&$file)
130			{
131			$log = [];
132			$pattern = '/\[\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}([\+-]\d{4})?\].*/';
133
134			preg_match_all($pattern, $file, $headings);
135
136			if (!is_array($headings)) {
137			return $log;
138			}
139
140			$log_data = preg_split($pattern, $file);
141
142			if ($log_data[0] < 1) {
143			array_shift($log_data);
144			}
145
146			foreach ($headings as $h) {
147			for ($i=0, $j = count($h); $i < $j; $i++) {
148			foreach (self::$log_levels as $level) {
149			if (strpos(strtolower($h[$i]), '.' . $level) \|\| strpos(strtolower($h[$i]), $level . ':')) {
150
151			preg_match('/^\[(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}([\+-]\d{4})?)\](?:.?(\w+)\.\|.?)' . $level . ': (.?)( in .?:[0-9]+)?$/i', $h[$i], $current);
152			if (!isset($current[4])) continue;
153
154			$log[] = array(
155			'channel' => $current[3],
156			'level' => $level,
157			'level_class' => self::$levels_classes[$level],
158			'level_img' => self::$levels_imgs[$level],
159			'date' => $current[1],
160			'text' => $current[4],
161			'in_file' => isset($current[5]) ? $current[5] : null,
162			'stack' => preg_replace("/^\n*/", '', $log_data[$i])
163			);
164			}
165			}
166			}
167			}
168
169			return array_reverse($log);
170			}
171
172			private static function tryJson(&$file)
173			{
174			try {
175			$log = [];
176			$lines = explode("\n", $file);
177
178			if(json_decode($lines[0], true) === null) {
179			return $log;
180			}
181
182			foreach($lines as $line) {
183			if($line == '') continue;
184			$decoded = json_decode($line, true);
185			$level = strtolower($decoded['level_name']);
186			$stack = null;
187			$extra = array_merge($decoded['context'] ?? [], $decoded['extra'] ?? []);
188			if(isset($decoded['context']) && isset($decoded['context']['exception'])) {
189			$stack = $decoded['context']['exception']['trace'];
190			unset($extra['exception']);
191			}
192			$log[] = [
193			'channel' => $decoded['channel'],
194			'level' => $level,
195			'level_class' => self::$levels_classes[$level],
196			'level_img' => self::$levels_imgs[$level],
197			'date' => $decoded['datetime']['date'],
198			'text' => $decoded['message'],
199			'in_file' => null,
200			'stack' => $stack,
201			'extra' => json_encode($extra, JSON_PRETTY_PRINT)
202			];
203			}
204
205			return array_reverse($log);
206			} catch (\Exception $e) {
207			return [];
208			}
209			}
210
211			private static function tryDefault(&$file)
212			{
213			$lines = explode(PHP_EOL, $file);
214			$log = [];
215
216			foreach($lines as $key => $line) {
217			$log[] = [
218			'channel' => '',
219			'level' => '',
220			'level_class' => '',
221			'level_img' => '',
222			'date' => $key+1,
223			'text' => $line,
224			'in_file' => null,
225			'stack' => '',
226			];
227			}
228
229			return array_reverse($log);
230			}
231
232			/**
233			* @param bool $basename
234			* @return array
235			*/
236			public static function getFiles($basename = false)
237			{
238			$pattern = function_exists('config') ? config('logviewer.pattern', '.log') : '.log';
239			$files = glob(storage_path() . '/logs/' . $pattern, preg_match('/\{.?\,.?\}/i', $pattern) ? GLOB_BRACE : 0);
240			$files = array_reverse($files);
241			$files = array_filter($files, 'is_file');
242			if ($basename && is_array($files)) {
243			foreach ($files as $k => $file) {
244			$files[$k] = basename($file);
245			}
246			}
247			return array_values($files);
248			}
249			}
250

rap2hpoutre / laravel-log-viewer

Pull Request — master (#154)

LaravelLogViewer::tryJson() B

Complexity

Size

Duplication

Importance

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