From a9625ae50777705c717ec4173c873c98e80f7654 Mon Sep 17 00:00:00 2001
From: Marcel Pociot <m.pociot@gmail.com>
Date: Tue, 21 Nov 2017 16:20:16 +0100
Subject: [PATCH] Add repentance day

---
 src/Provider/DE.php      | 18 ++++++++++++++++++
 test/Provider/DETest.php |  4 +++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/Provider/DE.php b/src/Provider/DE.php
index db82a53..6fae7cf 100644
--- a/src/Provider/DE.php
+++ b/src/Provider/DE.php
@@ -37,6 +37,8 @@ public function getHolidaysByYear($year)
     {
         $easter = $this->getEasterDates($year);
 
+        $repentanceDay = $this->getDayOfRepentance($year);
+
         // 500th anniversay of the Reformation
         // @see https://de.wikipedia.org/wiki/Reformationstag#Deutschland
         if (2017 === $year) {
@@ -89,10 +91,26 @@ public function getHolidaysByYear($year)
                 self::STATE_NW,
                 self::STATE_RP,
                 self::STATE_SL,
+            )),
+            $repentanceDay->format(self::DATE_FORMAT) => $this->createData('Buß- und Bettag', array(
+                self::STATE_SN
             ))
         );
 
         return $holidays;
     }
 
+    /**
+     * The German day of repentance is the wednesday befor the 23rd of November
+     * @param int $year
+     * @return \DateTime
+     */
+    public function getDayOfRepentance($year)
+    {
+        $date = new \DateTime($year.'-11-23');
+        $date->modify('previous wednesday');
+
+        return $date;
+    }
+
 }
diff --git a/test/Provider/DETest.php b/test/Provider/DETest.php
index cbf0782..96c7205 100644
--- a/test/Provider/DETest.php
+++ b/test/Provider/DETest.php
@@ -36,7 +36,9 @@ public function dateProvider()
             array('2017-10-31', DE::STATE_SH, array('name' => 'Reformationstag')),
             array('2017-10-31', DE::STATE_BB, array('name' => 'Reformationstag')),
             array('2018-10-31', DE::STATE_SH, null),
-            array('2018-10-31', DE::STATE_BB, array('name' => 'Reformationstag')),
+            array('2018-11-21', DE::STATE_BB, null),
+            array('2018-11-21', DE::STATE_SN, array('name' => 'Buß- und Bettag')),
+            array('2018-10-31', DE::STATE_SH, null),
         );
     }
 }