Merge branch 'master' into udf

application/models/system/Benutzerrolle_model.php

@@ -1,7 +1,7 @@
 <?php
+
 class Benutzerrolle_model extends DB_Model
 {
-
 	/**
 	 * Constructor
 	 */
@@ -11,4 +11,29 @@ class Benutzerrolle_model extends DB_Model
 		$this->dbTable = 'system.tbl_benutzerrolle';
 		$this->pk = 'benutzerberechtigung_id';
 	}
-}
+	
+	/**
+	 * Checks if the given user is an admin
+	 */
+	public function isAdminByPersonId($person_id)
+	{
+		// Join with the table tbl_benutzer
+		$this->addJoin('public.tbl_benutzer', 'uid');
+		
+		$result = $this->loadWhere(array('person_id' => $person_id, 'rolle_kurzbz' => 'admin'));
+		
+		if (!isError($result))
+		{
+			if (hasData($result))
+			{
+				$result = success(true);
+			}
+			else if (!hasData($result))
+			{
+				$result = success(false);
+			}
+		}
+		
+		return $result;
+	}
+}