Initial Commit

api/kurse/get.php

@@ -0,0 +1,38 @@
+<?php
+global $db;
+try {
+    $query = "SELECT 
+                k.id,
+                k.name,
+                k.beschreibung,
+                k.gebuehr,
+                k.max_teilnehmer,
+                COUNT(a.id) as belegte_plaetze,
+                (k.max_teilnehmer - COUNT(a.id)) as freie_plaetze,
+                CASE WHEN COUNT(a.id) >= k.max_teilnehmer THEN 0 ELSE 1 END as verfuegbar
+              FROM kurse k
+              LEFT JOIN anmeldungen a ON k.id = a.kurs_id
+              GROUP BY k.id
+              ORDER BY k.name";
+    $stmt = $db->prepare($query);
+    $stmt->execute();
+
+    $kurse = [];
+    while ($row = $stmt->fetch()) {
+        $kurse[] = [
+            'id' => (int)$row['id'],
+            'name' => $row['name'],
+            'beschreibung' => $row['beschreibung'],
+            'gebuehr' => (float)$row['gebuehr'],
+            'max_teilnehmer' => (int)$row['max_teilnehmer'],
+            'belegte_plaetze' => (int)$row['belegte_plaetze'],
+            'freie_plaetze' => (int)$row['freie_plaetze'],
+            'verfuegbar' => (bool)$row['verfuegbar']
+        ];
+    }
+    echo json_encode($kurse);
+} catch (Exception $e) {
+    error_log("Error in kurse/get.php: " . $e->getMessage());
+    http_response_code(500);
+    echo json_encode(['message' => 'Fehler beim Laden der Kurse']);
+}