Commit inicial con archivos existentes

admin/update_language_flag.php

@@ -0,0 +1,42 @@
+<?php
+// admin/update_language_flag.php
+
+require_once __DIR__ . '/../includes/session_check.php';
+require_once __DIR__ . '/../config/config.php';
+require_once __DIR__ . '/../includes/db.php';
+
+header('Content-Type: application/json');
+
+// Solo para administradores
+if (!isset($_SESSION['role']) || $_SESSION['role'] !== 'admin') {
+    echo json_encode(['success' => false, 'error' => 'Acceso denegado.']);
+    exit;
+}
+
+// Verificar que la solicitud sea AJAX y POST
+if (strtolower($_SERVER['HTTP_X_REQUESTED_WITH'] ?? '') !== 'xmlhttprequest' || $_SERVER['REQUEST_METHOD'] !== 'POST') {
+    echo json_encode(['success' => false, 'error' => 'Solicitud no válida.']);
+    exit;
+}
+
+$data = json_decode(file_get_contents('php://input'), true);
+
+$langId = $data['id'] ?? null;
+$flagEmoji = $data['flag_emoji'] ?? '';
+
+if ($langId === null) {
+    echo json_encode(['success' => false, 'error' => 'ID de idioma no proporcionado.']);
+    exit;
+}
+
+try {
+    $stmt = $pdo->prepare("UPDATE supported_languages SET flag_emoji = ? WHERE id = ?");
+    $stmt->execute([$flagEmoji, $langId]);
+
+    echo json_encode(['success' => true]);
+
+} catch (PDOException $e) {
+    error_log("Error en update_language_flag.php: " . $e->getMessage());
+    echo json_encode(['success' => false, 'error' => 'Error en la base de datos.']);
+}
+?>