自定义Laravel (monolog)日志位置,并增加请求ID的实现(2)

namespace App\Providers;

use Illuminate\Support\ServiceProvider;
use Monolog\Formatter\LineFormatter;
use Monolog\Handler\RotatingFileHandler;
use Carbon\Carbon;
use Monolog\Logger;;
use ReflectionClass;

class LogServiceProvider extends ServiceProvider
{
 protected $log_file;

 /**
  * Bootstrap any application services.
  *
  * @return void
  */
 public function boot()
 {
  //
 }

 /**
  * Register any application services.
  *
  * @return void
  */
 public function register()
 {
  $this->loadRequestId();

  /**
   * 根据日期来分割日志
   */
  $this->useDailyFiles();

 }

 protected function loadRequestId()
 {
  define( 'REQUEST_ID' , config('app.log_prefix').Carbon::now()->timestamp );
 }

 /**
  * 根据日期来分割日志
  */
 protected function useDailyFiles()
 {
  $handler = $this->getDailyHandler()->setFormatter( $this->getDefaultFormatter() );

  $errorHandler = $this->getDailyHandler(Logger::ERROR)->setFormatter( $this->getDefaultFormatter() );

  $this->app->configureMonologUsing( function( $monolog) use ( $handler , $errorHandler )
  {
   $monolog->pushHandler( $handler );

   $monolog->pushHandler( $errorHandler );
  });
 }

 /**
  * 设置 日志 行格式
  * @return LineFormatter
  */
 protected function getDefaultFormatter()
 {
  $format = "[%datetime%] [".REQUEST_ID."] %channel%.%level_name%: %message% %context% %extra%\n";
  return new LineFormatter( $format , null, true, true);
 }


 /**
  * 根据日志区分
  * @return \Monolog\Handler\RotatingFileHandler
  */
 protected function getDailyHandler( $level = Logger::DEBUG)
 {
  return new RotatingFileHandler(
   $this->logPath().$this->logName( $level ) ,
   $this->maxFiles() ,
   $level
  );
 }

 /**
  * 日志文件最多个数
  * @return int
  */
 protected function maxFiles()
 {
  if ($this->app->bound('config')) {
   return $this->app->make('config')->get('app.log_max_files', 30);
  }

  return 0;
 }

 /**
  * 日志文件名称
  * @return mixed
  */
 protected function logPath()
 {
  $logPath = $this->app->storagePath()."/logs/";
  if( $this->app->bound('config'))
  {
   $logPath = $this->app->make('config')->get('app.log_path', $logPath );
  }
  return $logPath;
 }

 /**
  * log 完整文件名
  * @param int $level
  * @return string
  */
 protected function logName( $level = Logger::DEBUG )
 {
  return $this->getAppName().'-'.$this->getLevelName( $level ).".log";
 }

 /**
  * 获取项目app
  * @return mixed
  */
 protected function getAppName()
 {
  return $this->app->make('config')->get('app.name');
 }

 /**
  * 获取log错误级别名称
  * @param $level
  * @return mixed
  */
 protected function getLevelName( $level )
 {
  $r = new ReflectionClass( Logger::class );
  $constants = array_flip( $r->getConstants() );
  return $constants[$level];
 }
}