index-soutien/includes/cache.php

<?php

require_once __DIR__ . '/config.php';

function getContent(string $lang = 'fr'): array {
    $cacheFile = CACHE_DIR . "/content.{$lang}.json";

    // Serve cache if fresh
    if (file_exists($cacheFile) && (time() - filemtime($cacheFile)) < CACHE_TTL) {
        return json_decode(file_get_contents($cacheFile), true) ?: [];
    }

    // Fetch from Kirby API
    $url = KIRBY_API_URL . '?lang=' . urlencode($lang);
    if (SUPPORT_API_TOKEN) {
        $url .= '&token=' . urlencode(SUPPORT_API_TOKEN);
    }

    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL            => $url,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_TIMEOUT        => 5,
        CURLOPT_REFERER        => 'https://soutenir.index.ngo',
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_SSL_VERIFYPEER => true,
    ]);
    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);

    if ($response !== false && $httpCode === 200) {
        $data = json_decode($response, true);
        if ($data && !isset($data['error'])) {
            @file_put_contents($cacheFile, $response, LOCK_EX);
            return $data;
        }
    }

    // Fallback: serve stale cache rather than nothing
    if (file_exists($cacheFile)) {
        return json_decode(file_get_contents($cacheFile), true) ?: [];
    }

    return [];
}