Completed
Push — master ( f51357...2c6019 )
by raphael
01:27
created

LaravelLogViewer::pathToLogFile()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 17
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 17
c 0
b 0
f 0
rs 9.4285
cc 3
eloc 8
nc 3
nop 1
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<?php
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namespace Rap2hpoutre\LaravelLogViewer;
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use Psr\Log\LogLevel;
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/**
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 * Class LaravelLogViewer
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 * @package Rap2hpoutre\LaravelLogViewer
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 */
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class LaravelLogViewer
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{
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    /**
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     * @var string file
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     */
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    private static $file;
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    private static $levels_classes = [
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        'debug' => 'info',
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        'info' => 'info',
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        'notice' => 'info',
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        'warning' => 'warning',
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        'error' => 'danger',
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        'critical' => 'danger',
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        'alert' => 'danger',
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        'emergency' => 'danger',
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        'processed' => 'info',
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        'failed' => 'warning',
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    ];
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    private static $levels_imgs = [
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        'debug' => 'info-circle',
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        'info' => 'info-circle',
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        'notice' => 'info-circle',
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        'warning' => 'exclamation-triangle',
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        'error' => 'exclamation-triangle',
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        'critical' => 'exclamation-triangle',
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        'alert' => 'exclamation-triangle',
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        'emergency' => 'exclamation-triangle',
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        'processed' => 'info-circle',
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        'failed' => 'exclamation-triangle'
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    ];
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    /**
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     * Log levels that are used
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     * @var array
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     */
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    private static $log_levels = [
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        'emergency',
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        'alert',
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        'critical',
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        'error',
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        'warning',
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        'notice',
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        'info',
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        'debug',
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        'processed',
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        'failed'
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    ];
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    const MAX_FILE_SIZE = 52428800; // Why? Uh... Sorry
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    /**
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     * @param string $file
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     */
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    public static function setFile($file)
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    {
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        $file = self::pathToLogFile($file);
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        if (app('files')->exists($file)) {
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            self::$file = $file;
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        }
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    }
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    /**
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     * @param string $file
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     * @return string
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     * @throws \Exception
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     */
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    public static function pathToLogFile($file)
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    {
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        $logsPath = storage_path('logs');
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        if (app('files')->exists($file)) { // try the absolute path
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            return $file;
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        }
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        $file = $logsPath . '/' . $file;
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        // check if requested file is really in the logs directory
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        if (dirname($file) !== $logsPath) {
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            throw new \Exception('No such log file');
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        }
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        return $file;
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    }
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    /**
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     * @return string
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     */
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    public static function getFileName()
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    {
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        return basename(self::$file);
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    }
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    /**
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     * @return array
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     */
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    public static function all()
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    {
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        $log = array();
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        $pattern = '/\[\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}([\+-]\d{4})?\].*/';
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        if (!self::$file) {
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            $log_file = self::getFiles();
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            if(!count($log_file)) {
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                return [];
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            }
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            self::$file = $log_file[0];
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        }
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        if (app('files')->size(self::$file) > self::MAX_FILE_SIZE) return null;
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        $file = app('files')->get(self::$file);
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        preg_match_all($pattern, $file, $headings);
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        if (!is_array($headings)) return $log;
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        $log_data = preg_split($pattern, $file);
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        if ($log_data[0] < 1) {
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            array_shift($log_data);
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        }
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        foreach ($headings as $h) {
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            for ($i=0, $j = count($h); $i < $j; $i++) {
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                foreach (self::$log_levels as $level) {
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                    if (strpos(strtolower($h[$i]), '.' . $level) || strpos(strtolower($h[$i]), $level . ':')) {
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                        preg_match('/^\[(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}([\+-]\d{4})?)\](?:.*?(\w+)\.|.*?)' . $level . ': (.*?)( in .*?:[0-9]+)?$/i', $h[$i], $current);
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                        if (!isset($current[4])) continue;
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                        $log[] = array(
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                            'context' => $current[3],
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                            'level' => $level,
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                            'level_class' => self::$levels_classes[$level],
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                            'level_img' => self::$levels_imgs[$level],
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                            'date' => $current[1],
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                            'text' => $current[4],
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                            'in_file' => isset($current[5]) ? $current[5] : null,
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                            'stack' => preg_replace("/^\n*/", '', $log_data[$i])
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                        );
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                    }
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                }
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            }
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        }
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        return array_reverse($log);
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    }
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    /**
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     * @param bool $basename
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     * @return array
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     */
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    public static function getFiles($basename = false)
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    {
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        $files = glob(storage_path() . '/logs/' . (function_exists('config') ? config('logviewer.pattern', '*.log') : '*.log'));
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        $files = array_reverse($files);
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        $files = array_filter($files, 'is_file');
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        if ($basename && is_array($files)) {
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            foreach ($files as $k => $file) {
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                $files[$k] = basename($file);
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            }
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        }
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        return array_values($files);
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    }
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}
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