From be91fc93c030a0ffb763901c9e51afcea407f2ff Mon Sep 17 00:00:00 2001
From: alex <karpen_ko@hotmail.com>
Date: Fri, 6 Sep 2019 15:36:32 +0200
Subject: [PATCH] - organisation/Studiensemester_model: added getPreviousFrom
 method, getNextFrom(): next studiensemester with start = ende is not skipped

---
 .../organisation/Studiensemester_model.php    | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/application/models/organisation/Studiensemester_model.php b/application/models/organisation/Studiensemester_model.php
index 9248b241d..9878ab5be 100644
--- a/application/models/organisation/Studiensemester_model.php
+++ b/application/models/organisation/Studiensemester_model.php
@@ -61,7 +61,7 @@ class Studiensemester_model extends DB_Model
 						 start,
 						 ende
 					FROM public.tbl_studiensemester
-				   WHERE start > (
+				   WHERE start >= (
 									SELECT ende
 									  FROM public.tbl_studiensemester
 									 WHERE studiensemester_kurzbz = ?
@@ -72,6 +72,26 @@ class Studiensemester_model extends DB_Model
 		return $this->execQuery($query, array($studiensemester_kurzbz));
 	}
 
+	/**
+	 * getPreviousFrom
+	 */
+	public function getPreviousFrom($studiensemester_kurzbz)
+	{
+		$query = 'SELECT studiensemester_kurzbz,
+						 start,
+						 ende
+					FROM public.tbl_studiensemester
+				   WHERE ende <= (
+									SELECT start
+									  FROM public.tbl_studiensemester
+									 WHERE studiensemester_kurzbz = ?
+								)
+				ORDER BY start DESC
+				   LIMIT 1';
+
+		return $this->execQuery($query, array($studiensemester_kurzbz));
+	}
+
 	/**
 	 * getNearest
 	 */