From b8ed622f966d6cc003c730a16ec50227f51179dc Mon Sep 17 00:00:00 2001
From: hainberg <hainberg@technikum-wien.at>
Date: Thu, 12 Sep 2019 13:53:39 +0200
Subject: [PATCH] Added method getParent()
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This method gets only one parent of given organisational unit.
This ist to easily retrieve department of a studiengang or
fakultät of department etc.
---
 .../Organisationseinheit_model.php            | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/application/models/organisation/Organisationseinheit_model.php b/application/models/organisation/Organisationseinheit_model.php
index f9353c7b3..3efc8472a 100644
--- a/application/models/organisation/Organisationseinheit_model.php
+++ b/application/models/organisation/Organisationseinheit_model.php
@@ -165,4 +165,27 @@ class Organisationseinheit_model extends DB_Model
 		return $this->execQuery(sprintf($query, $aktivstring, $aktivstring), array($oe_kurzbz));
 	}
 
+    /**
+     * Get one parent only.
+     * Easily retrieve department of a studiengang or fakultät of department etc.
+     * @param $oe_kurzbz
+     * @return array|null
+     */
+	public function getParent($oe_kurzbz)
+    {
+        if (is_string($oe_kurzbz))
+        {
+            $condition = '
+                oe_kurzbz = (
+                    SELECT 
+                        oe_parent_kurzbz
+                    FROM
+                        public.tbl_organisationseinheit
+                    WHERE
+                        oe_kurzbz = \''. $oe_kurzbz. '\'
+                )
+            ';
+        }
+        return $this->loadWhere($condition);
+    }
 }