mapping fixed

public/userarea/update_visible_parts.php

@@ -0,0 +1,31 @@
+<?php
+require_once 'include/headscript.php';
+
+header('Content-Type: application/json');
+
+$data = json_decode(file_get_contents('php://input'), true);
+
+$template_id = isset($data['template_id']) ? (int)$data['template_id'] : 0;
+$mapping_id  = isset($data['mapping_id']) ? (int)$data['mapping_id'] : 0;
+$value       = isset($data['value']) ? (int)$data['value'] : null;
+
+// Validate input
+if ($template_id <= 0 || $mapping_id <= 0 || $value === null) {
+    echo json_encode(['success' => false, 'message' => 'Invalid input']);
+    exit;
+}
+
+// Normalize to 0/1
+$value = ($value === 1) ? 1 : 0;
+
+$db = DBHandlerSelect::getInstance();
+$pdo = $db->getConnection();
+
+$stmt = $pdo->prepare("UPDATE template_mapping SET is_visible_parts = ? WHERE id = ? AND template_id = ?");
+$result = $stmt->execute([$value, $mapping_id, $template_id]);
+
+if ($result) {
+    echo json_encode(['success' => true]);
+} else {
+    echo json_encode(['success' => false, 'message' => 'Failed to update is_visible_parts']);
+}