Dodatkowe wersje językowe z AI

api/menu.php

@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 header('Content-Type: application/json; charset=utf-8');
 
+require_once __DIR__ . '/menu_helpers.php';
+
 if ($_SERVER['REQUEST_METHOD'] !== 'GET') {
     http_response_code(405);
     echo json_encode([
@@ -29,138 +31,9 @@ if ($lang === '' || !isset($languages[$lang])) {
 
 $langConfig = $languages[$lang];
 $source = (string) ($langConfig['source'] ?? 'upstream');
-$ttl = max(60, (int) ($config['ttl_seconds'] ?? 1800));
+$ttl = max(60, (int) ($config['ttl_seconds'] ?? 86400));
 $timeout = max(3, (int) ($config['timeout_seconds'] ?? 12));
-$cacheDir = __DIR__ . '/cache';
-$cacheFile = $cacheDir . '/menu_' . $lang . '.json';
-
-if (!is_dir($cacheDir)) {
-    @mkdir($cacheDir, 0755, true);
-}
-
-function readMenuCache(string $cacheFile): ?array
-{
-    if (!is_file($cacheFile)) {
-        return null;
-    }
-
-    $raw = file_get_contents($cacheFile);
-    if ($raw === false || $raw === '') {
-        return null;
-    }
-
-    $decoded = json_decode($raw, true);
-    return is_array($decoded) ? $decoded : null;
-}
-
-function writeMenuCache(string $cacheFile, array $payload): void
-{
-    file_put_contents(
-        $cacheFile,
-        json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES),
-        LOCK_EX
-    );
-}
-
-function fetchUpstreamMenu(string $url, int $timeout): ?array
-{
-    $body = false;
-    $httpCode = 0;
-
-    if (function_exists('curl_init')) {
-        $ch = curl_init($url);
-        curl_setopt_array($ch, [
-            CURLOPT_RETURNTRANSFER => true,
-            CURLOPT_FOLLOWLOCATION => true,
-            CURLOPT_TIMEOUT => $timeout,
-            CURLOPT_HTTPHEADER => ['Accept: application/json'],
-        ]);
-        $body = curl_exec($ch);
-        $errno = curl_errno($ch);
-        $httpCode = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE);
-        curl_close($ch);
-        if ($errno !== 0) {
-            $body = false;
-        }
-    } else {
-        $context = stream_context_create([
-            'http' => [
-                'method' => 'GET',
-                'timeout' => $timeout,
-                'header' => "Accept: application/json\r\n",
-                'ignore_errors' => true,
-            ],
-        ]);
-        $body = @file_get_contents($url, false, $context);
-        if (isset($http_response_header[0]) && preg_match('/\s(\d{3})\s/', $http_response_header[0], $m)) {
-            $httpCode = (int) $m[1];
-        }
-    }
-
-    if ($body === false || ($httpCode > 0 && ($httpCode < 200 || $httpCode >= 300))) {
-        return null;
-    }
-
-    $decoded = json_decode($body, true);
-    return is_array($decoded) ? $decoded : null;
-}
-
-function mapUpstreamMenu(array $raw, string $lang, string $source): array
-{
-    $categories = [];
-    foreach ($raw['categories'] ?? [] as $cat) {
-        if (!is_array($cat)) {
-            continue;
-        }
-        $id = trim((string) ($cat['id'] ?? ''));
-        $name = trim((string) ($cat['name'] ?? ''));
-        if ($id === '' || $name === '') {
-            continue;
-        }
-        $categories[] = ['id' => $id, 'name' => $name];
-    }
-
-    $sections = [];
-    foreach ($raw['tables'] ?? [] as $table) {
-        if (!is_array($table)) {
-            continue;
-        }
-        $sectionName = trim((string) ($table['name'] ?? ''));
-        if ($sectionName === '') {
-            continue;
-        }
-
-        $items = [];
-        foreach ($table['items'] ?? [] as $item) {
-            if (!is_array($item)) {
-                continue;
-            }
-            $items[] = [
-                'position' => (string) ($item['id'] ?? ''),
-                'categoryId' => (string) ($item['category'] ?? ''),
-                'tag' => '',
-                'image' => (string) ($item['image'] ?? ''),
-                'title' => trim((string) ($item['name'] ?? '')),
-                'description' => trim((string) ($item['name_extra'] ?? '')),
-                'price' => (string) ($item['price'] ?? ''),
-            ];
-        }
-
-        $sections[] = [
-            'categoryName' => $sectionName,
-            'items' => $items,
-        ];
-    }
-
-    return [
-        'status' => 'success',
-        'lang' => $lang,
-        'source' => $source,
-        'cachedAt' => gmdate('c'),
-        'categories' => $categories,
-        'sections' => $sections,
-    ];
-}
+$cacheFile = menuCachePath($lang);
 
 $cached = readMenuCache($cacheFile);
 $now = time();
@@ -177,13 +50,24 @@ if ($isFresh) {
 
 if ($source === 'ai') {
     if ($cached) {
+        // Stary AI-cache jest OK dłużej niż TTL — cron i tak odświeża raz/dzień.
         echo json_encode($cached, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
         exit;
     }
+
+    $from = strtolower((string) ($langConfig['from'] ?? 'pl'));
+    $fallback = readMenuCache(menuCachePath($from));
+    if ($fallback) {
+        $fallback['lang'] = $lang;
+        $fallback['source'] = 'ai_fallback_pl';
+        echo json_encode($fallback, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+        exit;
+    }
+
     http_response_code(503);
     echo json_encode([
         'status' => 'error',
-        'message' => 'AI menu not available yet',
+        'message' => 'AI menu not available yet — run scripts/refresh_menu_cache.php',
         'lang' => $lang,
     ], JSON_UNESCAPED_UNICODE);
     exit;