From: Matthias Schmidt <gravatronics@live.com>
Date: Sun, 24 Feb 2019 13:29:43 +0000 (+0100)
Subject: Add proper nullable support for date form field
X-Git-Tag: 5.2.0_Alpha_1~275
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=28d9ce543741bc4aca3f3e52a5c61cee28db0b46;p=GitHub%2FWoltLab%2FWCF.git

Add proper nullable support for date form field

See #2509
---

diff --git a/wcfsetup/install/files/lib/system/form/builder/field/DateFormField.class.php b/wcfsetup/install/files/lib/system/form/builder/field/DateFormField.class.php
index 9f26c3a08d..d2114db3bb 100644
--- a/wcfsetup/install/files/lib/system/form/builder/field/DateFormField.class.php
+++ b/wcfsetup/install/files/lib/system/form/builder/field/DateFormField.class.php
@@ -1,6 +1,7 @@
 <?php
 namespace wcf\system\form\builder\field;
 use wcf\system\form\builder\field\validation\FormFieldValidationError;
+use wcf\util\DateUtil;
 
 /**
  * Implementation of a form field for to select a FontAwesome icon.
@@ -11,8 +12,9 @@ use wcf\system\form\builder\field\validation\FormFieldValidationError;
  * @package	WoltLabSuite\Core\System\Form\Builder\Field
  * @since	5.2
  */
-class DateFormField extends AbstractFormField implements IImmutableFormField {
+class DateFormField extends AbstractFormField implements IImmutableFormField, INullableFormField {
 	use TImmutableFormField;
+	use TNullableFormField;
 	
 	/**
 	 * date time format of the save value
@@ -72,7 +74,12 @@ class DateFormField extends AbstractFormField implements IImmutableFormField {
 	 */
 	public function getSaveValue() {
 		if ($this->getValue() === null) {
-			return null;
+			if ($this->isNullable()) {
+				return null;
+			}
+			else {
+				return DateUtil::getDateTimeByTimestamp(0)->format($this->getSaveValueFormat());;
+			}
 		}
 		
 		return $this->getValueDateTimeObject()->format($this->getSaveValueFormat());