First version, for githup; UNSTABLE, DO NOT USE!

www/intern/scripts/riegeneinteilung/ajax_update_turnerin.php

@@ -0,0 +1,74 @@
+<?php
+
+if (session_status() !== PHP_SESSION_ACTIVE) session_start();
+
+if (empty($_SESSION['access_granted_wk_leitung']) || $_SESSION['access_granted_wk_leitung'] !== true || empty($_SESSION['passcodewk_leitung_id']) || intval($_SESSION['passcodewk_leitung_id']) < 0 ) {
+    http_response_code(403);
+	exit;
+}
+
+if (!isset($baseDir)) {
+    $baseDir = $_SERVER['DOCUMENT_ROOT'];
+}
+
+$type = 'wkl';
+
+$dbconnection = require $baseDir . '/../scripts/db/db-verbindung-script.php';
+
+if ($dbconnection['success'] !== true){
+    echo 'Critical DB Error.';
+    exit;
+}
+
+require $baseDir . '/../scripts/db/db-tables.php';
+
+$turnerinId = (int)$_POST['turnerin_id'];
+$abteilung  = $_POST['abteilung'];
+$geraet     = $_POST['geraet'];
+
+// Default to NULL if frontend sends "null"
+$abtId = null;
+$geraetId = null;
+
+// Resolve Abteilung ID
+if ($abteilung !== 'null') {
+    $stmt = $mysqli->prepare("SELECT id FROM $tableAbt WHERE name = ?");
+    $stmt->bind_param("s", $abteilung);
+    $stmt->execute();
+    if ($row = $stmt->get_result()->fetch_assoc()) {
+        $abtId = (int)$row['id'];
+    }
+    $stmt->close();
+}
+
+// Resolve Gerät ID
+if ($geraet !== 'null') {
+    $stmt = $mysqli->prepare("SELECT id FROM $tableGeraete WHERE name = ?");
+    $stmt->bind_param("s", $geraet);
+    $stmt->execute();
+    if ($row = $stmt->get_result()->fetch_assoc()) {
+        $geraetId = (int)$row['id'];
+    }
+    $stmt->close();
+}
+
+// Upsert into turnerinnen_abt (turnerin_id is UNIQUE)
+$stmt = $mysqli->prepare("
+    INSERT INTO $tableTurnerinnenAbt (turnerin_id, abteilung_id, geraet_id)
+    VALUES (?, ?, ?)
+    ON DUPLICATE KEY UPDATE
+      abteilung_id = VALUES(abteilung_id),
+      geraet_id = VALUES(geraet_id)
+");
+$stmt->bind_param("iii", $turnerinId, $abtId, $geraetId);
+$stmt->execute();
+$stmt->close();
+
+// Return JSON
+http_response_code(200);
+echo json_encode([
+    'success' => true,
+    'turnerin_id' => $turnerinId,
+    'abteilung_id' => $abtId,
+    'geraet_id' => $geraetId
+]);