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makes Stundenplan query BLAZINGLY fast

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This commit is contained in:
SimonGschnell
2024-10-10 20:59:55 +02:00
parent d2ed82cb37
commit 5359539a09
3 changed files with 86 additions and 55 deletions
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application/controllers/api/frontend/v1/Stundenplan.php
+75 -14
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@@ -109,14 +109,8 @@ class Stundenplan extends FHCAPI_Controller
*/
public function getStundenplan(){
// Query fuer Studenten prototyp ok
// Query fuer Studenten MVP
//TODO: getStundenplan fuer Mitarbeiter anpassen
//TODO: viele edge cases die es nicht moeglich machen besseren tbl_stundenplan index zu verwenden als idx_stundenplan_datum
// include Student model to fetch Studiengang_kz and Semester
$this->load->model('crm/Student_model', 'StudentModel');
$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
$this->load->model('education/Studentlehrverband_model', 'StudentlehrverbandModel');
// form validation
$this->load->library('form_validation');
@@ -130,14 +124,81 @@ class Stundenplan extends FHCAPI_Controller
$start_date = $this->input->get('start_date', TRUE);
$end_date = $this->input->get('end_date', TRUE);
// get Student_uid / Studiengang_kz / Semester in order to use index idx_stundenplan_datum_stgsem
$student_uid = get_uid();
$student_data = $this->StudentModel->load([$student_uid]);
$student_data = getData($student_data)[0];
$this->addMeta('studg',$student_data->studiengang_kz);
$this->addMeta('sem', $student_data->semester);
$student_uid = getAuthUID();
if(is_null($student_uid))
{
$this->terminateWithError("No UID");
}
$stundenplan_data = $this->StundenplanModel->stundenplanGruppierung($this->StundenplanModel->getStundenplanQuery(get_uid(),$start_date,$end_date,$student_data->studiengang_kz,$student_data->semester));
//semester des Studenten ermitteln
$lvplan_load_ueber_semesterhaelfte = false;
if (defined('LVPLAN_LOAD_UEBER_SEMESTERHAELFTE') && LVPLAN_LOAD_UEBER_SEMESTERHAELFTE === true)
$lvplan_load_ueber_semesterhaelfte = true;
else
$lvplan_load_ueber_semesterhaelfte = false;
$this->load->model('organisation/Studiensemester_model','StudiensemesterModel');
$aktuelle_studiensemester = current(getData($this->StudiensemesterModel->getAkt()))->studiensemester_kurzbz;
if($lvplan_load_ueber_semesterhaelfte)
{
$next_studiensemester = current(getData($this->StudiensemesterModel->getNext()))->studiensemester_kurzbz;
$previous_studiensemester = current(getData($this->StudiensemesterModel->getPreviousFrom($aktuelle_studiensemester)))->studiensemester_kurzbz;
}
else
{
$nearest_studiensemester = current(getData($this->StudiensemesterModel->getNearestFrom($aktuelle_studiensemester)))->studiensemester_kurzbz;
}
// getting the gruppen_kurzbz of the student in the different studiensemester
$this->load->model('person/Benutzergruppe_model','BenutzergruppeModel');
$benutzer_gruppen = null;
if ($lvplan_load_ueber_semesterhaelfte)
{
$benutzer_gruppen = $this->BenutzergruppeModel->execReadOnlyQuery("
SELECT * FROM tbl_benutzergruppe where uid = ? AND studiensemester_kurzbz IN ?",[$student_uid, [$aktuelle_studiensemester, $next_studiensemester, $previous_studiensemester]]);
$benutzer_gruppen = array_map(function($item){ return "'".$item->gruppe_kurzbz. "'";},getData($benutzer_gruppen));
}
else
{
$benutzer_gruppen = $this->BenutzergruppeModel->execReadOnlyQuery("
SELECT * FROM tbl_benutzergruppe where uid = ? AND studiensemester_kurzbz IN ?", [$student_uid, [$aktuelle_studiensemester,$nearest_studiensemester]]);
$benutzer_gruppen = array_map(function ($item) { return "'".$item->gruppe_kurzbz. "'";}, getData($benutzer_gruppen));
}
// getting the student_lehrverbaende of the student in the different studiensemester
$this->load->model('education/Studentlehrverband_model', 'StudentlehrverbandModel');
$student_lehrverbaende = null;
if ($lvplan_load_ueber_semesterhaelfte) {
$student_lehrverbaende = $this->BenutzergruppeModel->execReadOnlyQuery("
SELECT * FROM tbl_studentlehrverband where student_uid = ? AND studiensemester_kurzbz IN ?", [$student_uid, [$aktuelle_studiensemester,$next_studiensemester, $previous_studiensemester]]);
$student_lehrverbaende = array_map(
function ($item)
{
$result = new stdClass();
$result->studiengang_kz = $item->studiengang_kz;
$result->semester = $item->semester;
$result->verband = $item->verband;
$result->gruppe = $item->gruppe;
return $result;
},
getData($student_lehrverbaende));
} else {
$student_lehrverbaende = $this->BenutzergruppeModel->execReadOnlyQuery("
SELECT * FROM tbl_studentlehrverband where student_uid = ? AND studiensemester_kurzbz IN ?", [$student_uid, [$aktuelle_studiensemester,$nearest_studiensemester]]);
$student_lehrverbaende = array_map(
function ($item) {
$result = new stdClass();
$result->studiengang_kz = $item->studiengang_kz;
$result->semester = $item->semester;
$result->verband = $item->verband;
$result->gruppe = $item->gruppe;
return $result;
},
getData($student_lehrverbaende)
);
}
$stundenplan_data = $this->StundenplanModel->stundenplanGruppierung($this->StundenplanModel->getStundenplanQuery($start_date, $end_date, $benutzer_gruppen, $student_lehrverbaende));
$stundenplan_data = $this->getDataOrTerminateWithError($stundenplan_data) ?? [];
$this->expand_object_information($stundenplan_data);