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<?php
declare(strict_types=1);
namespace Arcanedev\LogViewer\Utilities;
use Arcanedev\LogViewer\Contracts\Utilities\Filesystem as FilesystemContract;
use Arcanedev\LogViewer\Contracts\Utilities\LogChecker as LogCheckerContract;
use Illuminate\Contracts\Config\Repository as ConfigContract;
/**
* Class LogChecker
*
* @author ARCANEDEV <arcanedev.maroc@gmail.com>
*/
class LogChecker implements LogCheckerContract
{
/* -----------------------------------------------------------------
| Properties
| -----------------------------------------------------------------
*/
/**
* The config repository instance.
*
* @var \Illuminate\Contracts\Config\Repository
*/
private $config;
/**
* The filesystem instance.
*
* @var \Arcanedev\LogViewer\Contracts\Utilities\Filesystem
*/
private $filesystem;
/**
* Log handler mode.
*
* @var string
*/
protected $handler = '';
/**
* The check status.
*
* @var bool
*/
private $status = true;
/**
* The check messages.
*
* @var array
*/
private $messages;
/**
* Log files statuses.
*
* @var array
*/
private $files = [];
/* -----------------------------------------------------------------
| Constructor
| -----------------------------------------------------------------
*/
/**
* LogChecker constructor.
*
* @param \Illuminate\Contracts\Config\Repository $config
* @param \Arcanedev\LogViewer\Contracts\Utilities\Filesystem $filesystem
*/
public function __construct(ConfigContract $config, FilesystemContract $filesystem)
{
$this->setConfig($config);
$this->setFilesystem($filesystem);
$this->refresh();
}
/* -----------------------------------------------------------------
| Getters & Setters
| -----------------------------------------------------------------
*/
/**
* Set the config instance.
*
* @param \Illuminate\Contracts\Config\Repository $config
*
* @return self
*/
public function setConfig(ConfigContract $config)
{
$this->config = $config;
return $this;
}
/**
* Set the Filesystem instance.
*
* @param \Arcanedev\LogViewer\Contracts\Utilities\Filesystem $filesystem
*
* @return self
*/
public function setFilesystem(FilesystemContract $filesystem)
{
$this->filesystem = $filesystem;
return $this;
}
/**
* Set the log handler mode.
*
* @param string $handler
*
* @return self
*/
protected function setHandler($handler)
{
$this->handler = strtolower($handler);
return $this;
}
/* -----------------------------------------------------------------
| Main Methods
| -----------------------------------------------------------------
*/
/**
* Get messages.
*
* @return array
*/
public function messages()
{
$this->refresh();
return $this->messages;
}
/**
* Check if the checker passes.
*
* @return bool
*/
public function passes()
{
$this->refresh();
return $this->status;
}
/**
* Check if the checker fails.
*
* @return bool
*/
public function fails()
{
return ! $this->passes();
}
/**
* Get the requirements.
*
* @return array
*/
public function requirements()
{
$this->refresh();
return $this->isDaily() ? [
'status' => 'success',
'header' => 'Application requirements fulfilled.',
'message' => 'Are you ready to rock ?',
] : [
'status' => 'failed',
'header' => 'Application requirements failed.',
'message' => $this->messages['handler']
];
}
/* -----------------------------------------------------------------
| Check Methods
| -----------------------------------------------------------------
*/
/**
* Is a daily handler mode ?
*
* @return bool
*/
protected function isDaily()
{
return $this->isSameHandler(self::HANDLER_DAILY);
}
/**
* Is the handler is the same as the application log handler.
*
* @param string $handler
*
* @return bool
*/
private function isSameHandler($handler)
{
return $this->handler === $handler;
}
/* -----------------------------------------------------------------
| Other Methods
| -----------------------------------------------------------------
*/
/**
* Refresh the checks.
*
* @return \Arcanedev\LogViewer\Utilities\LogChecker
*/
private function refresh()
{
$this->setHandler($this->config->get('logging.default', 'stack'));
$this->messages = [
'handler' => '',
'files' => [],
];
$this->files = [];
$this->checkHandler();
$this->checkLogFiles();
return $this;
}
/**
* Check the handler mode.
*/
private function checkHandler()
{
if ($this->isDaily()) return;
$this->messages['handler'] = 'You should set the log handler to `daily` mode. Please check the LogViewer wiki page (Requirements) for more details.';
}
/**
* Check all log files.
*/
private function checkLogFiles()
{
foreach ($this->filesystem->all() as $path) {
$this->checkLogFile($path);
}
}
/**
* Check a log file.
*
* @param string $path
*/
private function checkLogFile($path)
{
$status = true;
$filename = basename($path);
$message = "The log file [$filename] is valid.";
$pattern = $this->filesystem->getPattern();
if ($this->isSingleLogFile($filename)) {
$this->status = $status = false;
$this->messages['files'][$filename] = $message =
"You have a single log file in your application, you should split the [$filename] into separate log files.";
}
elseif ($this->isInvalidLogPattern($filename, $pattern)) {
$this->status = $status = false;
$this->messages['files'][$filename] = $message =
"The log file [$filename] has an invalid date, the format must be like {$pattern}.";
}
$this->files[$filename] = compact('filename', 'status', 'message', 'path');
}
/**
* Check if it's not a single log file.
*
* @param string $file
*
* @return bool
*/
private function isSingleLogFile($file)
{
return $file === 'laravel.log';
}
/**
* Check the date of the log file.
*
* @param string $file
* @param string $pattern
*
* @return bool
*/
private function isInvalidLogPattern($file, $pattern)
{
return ((bool) preg_match("/{$pattern}/", $file, $matches)) === false;
}
}