mirror of
https://github.com/FH-Complete/FHC-Core.git
synced 2026-06-11 00:59:34 +00:00
adisposkofh
150 lines
4.7 KiB
PHP
150 lines
4.7 KiB
PHP
<?php
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/**
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* Copyright (C) 2024 fhcomplete.org
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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if (! defined('BASEPATH')) exit('No direct script access allowed');
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//require_once('../../../include/studiengang.class.php');
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//require_once('../../../include/student.class.php');
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//require_once('../../../include/datum.class.php');
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//require_once('../../../include/mail.class.php');
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//require_once('../../../include/benutzerberechtigung.class.php');
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//require_once('../../../include/phrasen.class.php');
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//require_once('../../../include/projektarbeit.class.php');
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//require_once('../../../include/projektbetreuer.class.php');
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class Lehre extends FHCAPI_Controller
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{
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/**
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* Object initialization
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*/
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public function __construct()
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{
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parent::__construct([
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'lvStudentenMail' => self::PERM_LOGGED,
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'LV' => self::PERM_LOGGED,
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'Pruefungen' => self::PERM_LOGGED,
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'semesterAverageGrade' => self::PERM_LOGGED,
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]);
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}
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//------------------------------------------------------------------------------------------------------------------
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// Public methods
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/**
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* constructs the emails of the groups from a lehrveranstaltung
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*/
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public function lvStudentenMail()
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{
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$lehreinheit_id = $this->input->get("lehreinheit_id",TRUE);
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// return early if the required parameter is missing
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if(!isset($lehreinheit_id))
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{
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$this->terminateWithError('Missing required parameter', self::ERROR_TYPE_GENERAL);
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}
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$this->load->model('education/Lehreinheit_model', 'LehreinheitModel');
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$studentenMails = $this->LehreinheitModel->getStudentenMail($lehreinheit_id);
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$studentenMails = $this->getDataOrTerminateWithError($studentenMails);
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//convert array of objects into array of strings
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$studentenMails = array_map(function($element){
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return $element->mail;
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}, $studentenMails);
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$this->terminateWithSuccess($studentenMails);
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}
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public function LV($studiensemester_kurzbz, $lehrveranstaltung_id)
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{
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$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
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$result = $this->LehrveranstaltungModel->getLvsByStudentWithGrades(getAuthUID(), $studiensemester_kurzbz, getUserLanguage(), $lehrveranstaltung_id);
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$result = current($this->getDataOrTerminateWithError($result));
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$this->terminateWithSuccess($result);
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}
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/**
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* fetches all Pruefungen of a student for a specific lehrveranstaltung
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* if the student passed the Pruefung on the first attempt, no information about the Pruefungen is stored in the database
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* @param mixed $lehrveranstaltung_id
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* @return void
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*/
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public function Pruefungen($lehrveranstaltung_id)
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{
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$this->load->model('education/Pruefung_model', 'PruefungModel');
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$result = $this->PruefungModel->getByStudentAndLv(getAuthUID(), $lehrveranstaltung_id, getUserLanguage());
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$result = $this->getDataOrTerminateWithError($result);
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$this->terminateWithSuccess($result);
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}
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/**
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* calculates and returns the grade average and weighted average for a specific semester
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* @param string $studiensemester_kurzbz
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* @return void
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*/
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public function semesterAverageGrade($studiensemester_kurzbz)
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{
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$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
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$semesterLvs = $this->LehrveranstaltungModel->getLvsByStudentWithGrades(getAuthUID(), $studiensemester_kurzbz, getUserLanguage());
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if (isError($semesterLvs))
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return $this->outputJsonError(getError($semesterLvs));
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$semesterLvsData = getData($semesterLvs);
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$doGradesExist = false;
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$sum = 0;
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$count = 0;
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$sumWeighted = 0;
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$sumEcts = 0;
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foreach ($semesterLvsData as $lv) {
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if (!$lv->znote || $lv->znote < 1 || $lv->znote > 5)
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continue;
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$doGradesExist = true;
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$sum += $lv->znote;
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$count++;
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$sumWeighted += $lv->znote * floatval($lv->ects);
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$sumEcts += floatval($lv->ects);
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}
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$averageGrade = null;
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$weightedAverageGrade = null;
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if ($doGradesExist) {
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$averageGrade = $sum/$count;
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$weightedAverageGrade = $sumWeighted/$sumEcts;
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}
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$this->terminateWithSuccess(['average_grade' => $averageGrade, 'weighted_average_grade' => $weightedAverageGrade]);
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}
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}
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