Task #1355:

- If the sender of a message is an admin: show all the vorlage with
mimetype = text/html
 - If the sender of a message is NOT an admin: show all the
vorlage that belongs to the organisation units of the user
and the parents of those organisation units until the root
of the organisation unit tree

Changes:
 - Added method isAdminByPersonId to model Benutzerrolle_model
 - Added method _getAllHTMLVorlage to Vorlage_widget
 - Added method _getUserVorlage to Vorlage_widget

application/models/person/Benutzerfunktion_model.php

@@ -13,7 +13,7 @@ class Benutzerfunktion_model extends DB_Model
 	}
 	
 	/**
-	 * 
+	 * Get the Benutzerfunktion using the person_id
 	 */
 	public function getByPersonId($person_id)
 	{

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;
+	}
+}