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

www/intern/scripts/riegeneinteilung/ajax_update_start_indexes.php

@@ -0,0 +1,57 @@
+<?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 $baseDir . '/../scripts/db/db-tables.php';
+
+$input = json_decode(file_get_contents('php://input'), true);
+
+if (!$input || !isset($input['new'])) {
+  http_response_code(400);
+  exit;
+}
+
+$mysqli->begin_transaction();
+
+try {
+  $stmt = $mysqli->prepare("
+    UPDATE $tableTurnerinnenAbt
+    SET turnerin_index = ?
+    WHERE turnerin_id = ?
+  ");
+
+  foreach (['new', 'old'] as $bucket) {
+    if (empty($input[$bucket])) continue;
+
+    foreach ($input[$bucket] as $row) {
+      $stmt->bind_param("ii", $row['order_index'], $row['id']);
+      $stmt->execute();
+    }
+  }
+
+  $mysqli->commit();
+  http_response_code(200);
+
+} catch (Throwable $e) {
+  $mysqli->rollback();
+  http_response_code(500);
+}