enhanced plugin support (#634)

- refactored admin controller and templates
- plugin support for entity actions
- changed column mail to email in customer table
- refactored theme events

src/Twig/DateExtensions.php

@@ -11,12 +11,13 @@ namespace App\Twig;
 
 use App\Utils\LocaleSettings;
 use DateTime;
+use Twig\Extension\AbstractExtension;
 use Twig\TwigFilter;
 
 /**
  * Date specific twig extensions
  */
-class DateExtensions extends \Twig_Extension
+class DateExtensions extends AbstractExtension
 {
     /**
      * @var LocaleSettings|null
@@ -30,6 +31,10 @@ class DateExtensions extends \Twig_Extension
      * @var string
      */
     protected $dateTimeFormat = null;
+    /**
+     * @var string
+     */
+    protected $dateTimeTypeFormat = null;
     /**
      * @var string
      */
@@ -56,6 +61,7 @@ class DateExtensions extends \Twig_Extension
             new TwigFilter('month_name', [$this, 'monthName']),
             new TwigFilter('date_short', [$this, 'dateShort']),
             new TwigFilter('date_time', [$this, 'dateTime']),
+            new TwigFilter('date_full', [$this, 'dateTimeFull']),
             new TwigFilter('date_format', [$this, 'dateFormat']),
             new TwigFilter('time', [$this, 'time']),
             new TwigFilter('hour24', [$this, 'hour24']),
@@ -88,6 +94,28 @@ class DateExtensions extends \Twig_Extension
         return date_format($date, $this->dateTimeFormat);
     }
 
+    /**
+     * @param DateTime $date
+     * @return string
+     */
+    public function dateTimeFull(DateTime $date)
+    {
+        if (null === $this->dateTimeTypeFormat) {
+            $this->dateTimeTypeFormat = $this->localeSettings->getDateTimeTypeFormat();
+        }
+
+        $formatter = new \IntlDateFormatter(
+            $this->localeSettings->getLocale(),
+            \IntlDateFormatter::MEDIUM,
+            \IntlDateFormatter::MEDIUM,
+            date_default_timezone_get(),
+            \IntlDateFormatter::GREGORIAN,
+            $this->dateTimeTypeFormat
+        );
+
+        return $formatter->format($date);
+    }
+
     /**
      * @param DateTime $date
      * @param string $format