Issue # 13 - Add dateFormat param to SimpleLoggerFactory

Author: smalex86

src/SimpleLoggerFactory.php

@@ -5,6 +5,7 @@
 use smalex86\logger\Logger;
 use smalex86\logger\route\FileRoute;
 use Psr\Log\LoggerInterface;
+use DateTime;
 
 /**
  * Factory for SimpleLogger
@@ -30,15 +31,22 @@ class SimpleLoggerFactory {
    * @var string
    */
   protected static $folder;
+  /**
+   * Date format for string log file
+   * @var string
+   */
+  protected static $dateFormat;
 
   /**
    * Factory parameters init
    * 
    * @param int $maxLevel
    * @param string $logFilename
    * @param string $folder
+   * @param string $dateFormat
    */
-  public static function init($maxLevel, $logFilename, $folder) 
+  public static function init($maxLevel, $logFilename, $folder, 
+          $dateFormat = DateTime::W3C) 
   {
     self::$maxLevel = $maxLevel;
     self::$logFilename = $logFilename;
@@ -54,6 +62,7 @@ public static function getLogger(): LoggerInterface
   {
     $logger = new Logger();
     $logger->routeList->attach(new FileRoute([
+        'dateFormat' => self::$dateFormat,  
         'isEnabled' => true,
         'maxLevel' => self::$maxLevel,
         'logFile' => self::$logFilename,