<?php
/**
 * Copyright (C) 2024 fhcomplete.org
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

if (! defined('BASEPATH')) exit('No direct script access allowed');
class Studgang extends FHCAPI_Controller
{
	
	/**
	 * Object initialization
	 */
	public function __construct()
	{
		parent::__construct([
			'getStudiengangInfo'=> self::PERM_LOGGED,
			'getDegreePrograms'=> self::PERM_LOGGED,
		]);

		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
		$this->load->model('ressource/mitarbeiter_model', 'MitarbeiterModel');

		// Loads phrases system
		$this->loadPhrases([
			'global'
		]);

	}

	//------------------------------------------------------------------------------------------------------------------
	// Public methods

	public function getDegreePrograms() {
		$entitledDegreePrograms = $this->permissionlib->getSTG_isEntitledFor("basis/news");
		if (!$entitledDegreePrograms) {
			$this->terminateWithError("User is not entitled for any degree program");
		}

		$activeDegreePrograms = $this->StudiengangModel->getDegreePrograms();
		$activeDegreePrograms= $this->getDataOrTerminateWithError($activeDegreePrograms);

		$activeDegreePrograms = array_values(array_filter($activeDegreePrograms, function($degreeProgram) use ($entitledDegreePrograms) {
			return in_array($degreeProgram->studiengang_kz, $entitledDegreePrograms);
		}));

		$this->terminateWithSuccess($activeDegreePrograms);
	}

	public function getStudiengangInfo(){
		$studiengang_kz = $this->input->get('studiengang_kz', true);
		$semester = $this->input->get('semester', true);

		// without a Studiengang the info of the logged in Student is returned
		if (!is_numeric($studiengang_kz))
		{
			$isMitarbeiter = $this->MitarbeiterModel->isMitarbeiter(getAuthUID());
			$isMitarbeiter = $this->getDataOrTerminateWithError($isMitarbeiter);
			if($isMitarbeiter) {
				$this->terminateWithSuccess(null);
			}

			$studiengang_kz = null;
			$semester = null;
		}
		else
		{
			$studiengang_kz = (int)$studiengang_kz;
			$semester = is_numeric($semester) ? (int)$semester : null;
		}

		// fetches the Studiengang Information which is used next to the news
		$studiengangInfo = $this->StudiengangModel->getStudiengangInfoForNews($studiengang_kz, $semester);
		$studiengangInfo= $this->getDataOrTerminateWithError($studiengangInfo);
		$this->terminateWithSuccess($studiengangInfo);
	}

	//------------------------------------------------------------------------------------------------------------------
	// Private methods


}