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56
api/berichte/teilnehmer_betrieb.php
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56
api/berichte/teilnehmer_betrieb.php
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<?php
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global $db;
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try {
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$query = "SELECT
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b.id as betrieb_id,
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b.name as betrieb_name,
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b.adresse,
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COUNT(DISTINCT s.id) as anzahl_schueler,
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COUNT(a.id) as anzahl_anmeldungen
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FROM betriebe b
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LEFT JOIN schueler s ON b.id = s.betrieb_id
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LEFT JOIN anmeldungen a ON s.id = a.schueler_id
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GROUP BY b.id
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ORDER BY b.name";
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$stmt = $db->prepare($query);
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$stmt->execute();
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$bericht = [];
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while ($row = $stmt->fetch()) {
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$detail_query = "SELECT
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s.vorname,
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s.nachname,
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GROUP_CONCAT(k.name SEPARATOR ', ') as angemeldete_kurse
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FROM schueler s
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LEFT JOIN anmeldungen a ON s.id = a.schueler_id
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LEFT JOIN kurse k ON a.kurs_id = k.id
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WHERE s.betrieb_id = :betrieb_id
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GROUP BY s.id";
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$detail_stmt = $db->prepare($detail_query);
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$detail_stmt->execute([':betrieb_id' => $row['betrieb_id']]);
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$schueler = [];
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while ($detail = $detail_stmt->fetch()) {
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$schueler[] = [
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'vorname' => $detail['vorname'],
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'nachname' => $detail['nachname'],
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'angemeldete_kurse' => $detail['angemeldete_kurse'] ?? 'Keine Kurse'
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];
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}
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$bericht[] = [
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'betrieb_id' => (int)$row['betrieb_id'],
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'betrieb_name' => $row['betrieb_name'],
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'adresse' => $row['adresse'],
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'anzahl_schueler' => (int)$row['anzahl_schueler'],
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'anzahl_anmeldungen' => (int)$row['anzahl_anmeldungen'],
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'schueler' => $schueler
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];
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}
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echo json_encode($bericht);
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} catch (Exception $e) {
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error_log("Error in berichte/teilnehmer_betrieb.php: " . $e->getMessage());
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http_response_code(500);
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echo json_encode(['message' => 'Fehler beim Erstellen des Berichts']);
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}
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55
api/berichte/teilnehmer_kurs.php
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55
api/berichte/teilnehmer_kurs.php
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@@ -0,0 +1,55 @@
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<?php
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global $db;
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try {
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$query = "SELECT
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k.id as kurs_id,
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k.name as kurs_name,
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k.max_teilnehmer,
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COUNT(a.id) as anzahl_teilnehmer,
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ROUND((COUNT(a.id) / k.max_teilnehmer) * 100, 2) as auslastung_prozent
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FROM kurse k
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LEFT JOIN anmeldungen a ON k.id = a.kurs_id
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GROUP BY k.id
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ORDER BY k.name";
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$stmt = $db->prepare($query);
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$stmt->execute();
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$bericht = [];
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while ($row = $stmt->fetch()) {
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$detail_query = "SELECT
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s.vorname,
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s.nachname,
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b.name as betrieb_name
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FROM anmeldungen a
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JOIN schueler s ON a.schueler_id = s.id
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JOIN betriebe b ON s.betrieb_id = b.id
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WHERE a.kurs_id = :kurs_id
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ORDER BY s.nachname, s.vorname";
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$detail_stmt = $db->prepare($detail_query);
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$detail_stmt->execute([':kurs_id' => $row['kurs_id']]);
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$teilnehmer = [];
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while ($detail = $detail_stmt->fetch()) {
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$teilnehmer[] = [
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'vorname' => $detail['vorname'],
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'nachname' => $detail['nachname'],
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'betrieb_name' => $detail['betrieb_name']
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];
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}
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$bericht[] = [
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'kurs_id' => (int)$row['kurs_id'],
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'kurs_name' => $row['kurs_name'],
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'max_teilnehmer' => (int)$row['max_teilnehmer'],
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'anzahl_teilnehmer' => (int)$row['anzahl_teilnehmer'],
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'auslastung_prozent' => (float)$row['auslastung_prozent'],
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'teilnehmer' => $teilnehmer
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];
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}
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echo json_encode($bericht);
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} catch (Exception $e) {
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error_log("Error in berichte/teilnehmer_kurs.php: " . $e->getMessage());
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http_response_code(500);
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echo json_encode(['message' => 'Fehler beim Erstellen des Berichts']);
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}
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