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Merge branch 'feature-76671/moving-avg-grade-calc-to-backend' into cis40_2026-02_rc

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This commit is contained in:
Harald Bamberger
2026-04-30 07:33:42 +02:00
parent c7526bd0d9 5aded99999
commit 2227c3ecf1
5 changed files with 80 additions and 35 deletions
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application/controllers/api/frontend/v1/Lehre.php
+46 -1
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@@ -38,7 +38,8 @@ class Lehre extends FHCAPI_Controller
parent::__construct([
'lvStudentenMail' => self::PERM_LOGGED,
'LV' => self::PERM_LOGGED,
'Pruefungen' => self::PERM_LOGGED
'Pruefungen' => self::PERM_LOGGED,
'semesterAverageGrade' => self::PERM_LOGGED,
]);
}
@@ -100,5 +101,49 @@ class Lehre extends FHCAPI_Controller
$this->terminateWithSuccess($result);
}
/**
* calculates and returns the grade average and weighted average for a specific semester
* @param string $studiensemester_kurzbz
* @return void
*/
public function semesterAverageGrade($studiensemester_kurzbz)
{
$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
$semesterLvs = $this->LehrveranstaltungModel->getLvsByStudentWithGrades(getAuthUID(), $studiensemester_kurzbz, getUserLanguage());
if (isError($semesterLvs))
return $this->outputJsonError(getError($semesterLvs));
$semesterLvsData = getData($semesterLvs);
$doGradesExist = false;
$sum = 0;
$count = 0;
$sumWeighted = 0;
$sumEcts = 0;
foreach ($semesterLvsData as $lv) {
if (!$lv->znote || $lv->znote < 1 || $lv->znote > 5)
continue;
$doGradesExist = true;
$sum += $lv->znote;
$count++;
$sumWeighted += $lv->znote * floatval($lv->ects);
$sumEcts += floatval($lv->ects);
}
$averageGrade = null;
$weightedAverageGrade = null;
if ($doGradesExist) {
$averageGrade = $sum/$count;
$weightedAverageGrade = $sumWeighted/$sumEcts;
}
$this->terminateWithSuccess(['average_grade' => $averageGrade, 'weighted_average_grade' => $weightedAverageGrade]);
}
}