PBBFA23AHR/kurs-app
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WIP teilnahme

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This commit is contained in:
Karol Bielski
2025-07-11 10:22:39 +02:00
parent e5637d4929
commit 3dc185b667
5 changed files with 120 additions and 48 deletions
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61
Model/UserModel.php
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@@ -192,15 +192,32 @@ class UserModel extends Database
}
public function getAllCourses() {
$pdo = $this->linkDB();
$userId = $_SESSION['user_id'] ?? null;
if ($userId === null) {
$sql = "SELECT
k.id, k.name, k.preis, k.dauer, k.rabatt, k.kategorie, k.beschreibung, k.ort_id,
o.stadt, o.strasse, o.plz, b.note, b.kommentar,
0 AS isTeilnehmer
FROM kurs AS k
JOIN ort AS o ON o.id = k.ort_id
LEFT JOIN bewertungen AS b ON b.kurs_id = k.id";
$params = [];
} else {
$sql = "SELECT
k.id, k.name, k.preis, k.dauer, k.rabatt, k.kategorie, k.beschreibung, k.ort_id,
o.stadt, o.strasse, o.plz, b.note, b.kommentar,
CASE WHEN ku.user_id IS NULL THEN 0 ELSE 1 END AS isTeilnehmer
FROM kurs AS k
JOIN ort AS o ON o.id = k.ort_id
LEFT JOIN bewertungen AS b ON b.kurs_id = k.id
LEFT JOIN kurs_user AS ku ON ku.kurs_id = k.id AND ku.user_id = :userId";
$params = ['userId' => $userId];
}
$sql = "SELECT k.id, k.name, k.preis, k.dauer, k.rabatt, k.kategorie, k.beschreibung, k.ort_id,
o.stadt, o.strasse, o.plz, b.note, b.kommentar
FROM kurs AS k
JOIN ort AS o ON o.id = k.ort_id
LEFT JOIN bewertungen AS b ON b.kurs_id = k.id";
try {
$sth = $pdo->prepare($sql);
$sth->execute();
$sth->execute($params);
return $sth->fetchAll(\PDO::FETCH_ASSOC);
} catch (PDOException $e) {
new \Blog\Library\ErrorMsg("Fehler beim Lesen der Daten.", $e);
@@ -208,7 +225,6 @@ class UserModel extends Database
}
}
public function updateCourse($course) {
$pdo = $this->linkDB();
@@ -278,4 +294,35 @@ class UserModel extends Database
return true;
}
public function enroll($courseId, $userId) {
$pdo = $this->linkDB();
try {
$checkSql = "SELECT COUNT(*) FROM kurs_user WHERE user_id = :user_id AND kurs_id = :kurs_id";
$checkStmt = $pdo->prepare($checkSql);
$checkStmt->execute([
':user_id' => $userId,
':kurs_id' => $courseId
]);
if ($checkStmt->fetchColumn() > 0) {
return false;
}
$insertSql = "INSERT INTO kurs_user (user_id, kurs_id) VALUES (:user_id, :kurs_id)";
$insertStmt = $pdo->prepare($insertSql);
$insertStmt->execute([
':user_id' => $userId,
':kurs_id' => $courseId
]);
} catch (PDOException $e) {
new \Blog\Library\ErrorMsg("Fehler beim Einschreiben in den Kurs.", $e);
die;
}
return true;
}
}