Added api Controller Lehrveranstaltung.php + method getTemplateLvTree

application/controllers/api/frontend/v1/education/Lehrveranstaltung.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * FH-Complete
+ *
+ * @package		FHC-API
+ * @author		FHC-Team
+ * @copyright	Copyright (c) 2016, fhcomplete.org
+ * @license		GPLv3
+ * @link		http://fhcomplete.org
+ * @since		Version 1.0
+ * @filesource
+ */
+// ------------------------------------------------------------------------
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Lehrveranstaltung extends FHCAPI_Controller
+{
+	/**
+	 * Lehrveranstaltung API constructor.
+	 */
+	public function __construct()
+	{
+		parent::__construct(array(
+			'getTemplateLvTree' => self::PERM_LOGGED
+		));
+
+		// Load model LehrveranstaltungModel
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+	}
+
+	/**
+	 * Get all Templates and union with all Lehrveranstaltungen of given Studiensemester and Oes of given Berechtigung,
+	 * that are assigned to a template. This data structure can be used for nested tabulators' data tree.
+	 *
+	 * @param null|string $studiensemester_kurzbz
+	 * @param null|string $berechtigung
+	 * @return array|stdClass|null
+	 */
+	public function getTemplateLvTree()
+	{
+		$studiensemester_kurzbz = $this->input->get('studiensemester_kurzbz');
+		$berechtigung = $this->input->get('berechtigung');
+
+		if ($berechtigung)
+		{
+			$oe_permissions = $this->permissionlib->getOE_isEntitledFor($berechtigung);
+			if(!$oe_permissions) $oe_permissions = [];
+
+			$result = $this->LehrveranstaltungModel->getTemplateLvTree($studiensemester_kurzbz, $oe_permissions);
+		}
+		else
+		{
+			$result = $this->LehrveranstaltungModel->getTemplateLvTree($studiensemester_kurzbz);
+		}
+
+		if (isError($result)) {
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_DB);
+		}
+
+		$this->terminateWithSuccess((getData($result) ?: []));
+	}
+}