?php
class NewsController {
    private $pdo;
    
    public function __construct($pdo) {
        $this->pdo = $pdo;
    }
    
    public function show($slug = null) {
        if (!$slug) {
            $this->list();
            return;
        }
        
        // افزایش تعداد بازدید
        $this->pdo->prepare("UPDATE news SET view_count = view_count + 1, updated_at = NOW() WHERE slug = ?")
            ->execute([$slug]);
        
        // دریافت خبر
        $stmt = $this->pdo->prepare("
            SELECT n.*,
                   GROUP_CONCAT(DISTINCT c.name SEPARATOR ', ') as categories,
                   GROUP_CONCAT(DISTINCT c.slug SEPARATOR ',') as category_slugs
            FROM news n
            LEFT JOIN news_categories nc ON n.id = nc.news_id
            LEFT JOIN categories c ON nc.category_id = c.id
            WHERE n.slug = ? AND n.status = 'published'
            GROUP BY n.id
        ");
        
        $stmt->execute([$slug]);
        $news = $stmt->fetch();
        
        if (!$news) {
            $this->notFound();
            return;
        }
        
        // محاسبه زمان خواندن
        $reading_time = $this->calculateReadingTime($news['content']);
        
        // دریافت اخبار مرتبط
        $relatedNews = $this->getRelatedNews($news['id'], $news['category_slugs']);
        
        // دریافت آخرین اخبار
        $latestNews = $this->getLatestNews(5, $news['id']);
        
        // دریافت پربازدیدترین‌ها
        $popularNews = $this->getPopularNews(5, $news['id']);
        
        // ساختار JSON-LD
        $jsonLd = $this->generateJsonLd($news);
        
        $this->render('news/single', [
            'news' => $news,
            'relatedNews' => $relatedNews,
            'latestNews' => $latestNews,
            'popularNews' => $popularNews,
            'reading_time' => $reading_time,
            'jsonLd' => $jsonLd
        ]);
    }
    
    private function calculateReadingTime($content) {
        $wordCount = str_word_count(strip_tags($content));
        $minutes = ceil($wordCount / 200); // 200 کلمه در دقیقه
        return max(1, $minutes); // حداقل 1 دقیقه
    }
    
    public function list() {
        $page = max(1, intval($_GET['page'] ?? 1));
        $limit = 12;
        $offset = ($page - 1) * $limit;
        
        $news = $this->pdo->query("
            SELECT n.*
            FROM news n
            WHERE n.status = 'published'
            ORDER BY n.published_at DESC
            LIMIT $limit OFFSET $offset
        ")->fetchAll();
        
        $total = $this->pdo->query("SELECT COUNT(*) as count FROM news WHERE status = 'published'")->fetch()['count'];
        
        $this->render('news/list', [
            'news' => $news,
            'total' => $total,
            'page' => $page,
            'limit' => $limit
        ]);
    }
    
    public function category($slug) {
        if (!$slug) {
            $this->notFound();
            return;
        }
        
        // دریافت اطلاعات دسته‌بندی
        $stmt = $this->pdo->prepare("SELECT * FROM categories WHERE slug = ? AND is_active = 1");
        $stmt->execute([$slug]);
        $category = $stmt->fetch();
        
        if (!$category) {
            $this->notFound();
            return;
        }
        
        $page = $_GET['page'] ?? 1;
        $limit = 12;
        $offset = ($page - 1) * $limit;
        
        // دریافت اخبار این دسته
        $stmt = $this->pdo->prepare("
            SELECT n.*
            FROM news n
            INNER JOIN news_categories nc ON n.id = nc.news_id
            WHERE nc.category_id = ? AND n.status = 'published'
            ORDER BY n.published_at DESC
            LIMIT ? OFFSET ?
        ");
        
        $stmt->execute([$category['id'], $limit, $offset]);
        $news = $stmt->fetchAll();
        
        // تعداد کل
                // تعداد کل
        $stmt = $this->pdo->prepare("
            SELECT COUNT(*) as count
            FROM news n
            INNER JOIN news_categories nc ON n.id = nc.news_id
            WHERE nc.category_id = ? AND n.status = 'published'
        ");
        $stmt->execute([$category['id']]);
        $total = $stmt->fetch()['count'];
        
        $this->render('news/category', [
            'category' => $category,
            'news' => $news,
            'total' => $total,
            'page' => $page,
            'limit' => $limit
        ]);
    }
    
    private function getRelatedNews($newsId, $categorySlugs) {
        if (!$categorySlugs) return [];
        
        $categorySlugsArray = explode(',', $categorySlugs);
        $placeholders = str_repeat('?,', count($categorySlugsArray) - 1) . '?';
        
        $stmt = $this->pdo->prepare("
            SELECT DISTINCT n.*
            FROM news n
            INNER JOIN news_categories nc ON n.id = nc.news_id
            INNER JOIN categories c ON nc.category_id = c.id
            WHERE c.slug IN ($placeholders)
            AND n.id != ?
            AND n.status = 'published'
            ORDER BY n.published_at DESC
            LIMIT 4
        ");
        
        $params = array_merge($categorySlugsArray, [$newsId]);
        $stmt->execute($params);
        
        return $stmt->fetchAll();
    }
    
    private function getLatestNews($limit = 5, $excludeId = null) {
        $sql = "SELECT n.* FROM news n WHERE n.status = 'published'";
        $params = [];
        
        if ($excludeId) {
            $sql .= " AND n.id != ?";
            $params[] = $excludeId;
        }
        
        $sql .= " ORDER BY n.published_at DESC LIMIT ?";
        $params[] = $limit;
        
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute($params);
        
        return $stmt->fetchAll();
    }
    
    private function getPopularNews($limit = 5, $excludeId = null) {
        $sql = "SELECT n.* FROM news n WHERE n.status = 'published'";
        $params = [];
        
        if ($excludeId) {
            $sql .= " AND n.id != ?";
            $params[] = $excludeId;
        }
        
        $sql .= " ORDER BY n.view_count DESC LIMIT ?";
        $params[] = $limit;
        
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute($params);
        
        return $stmt->fetchAll();
    }
    
    private function generateJsonLd($news) {
        $siteUrl = 'https://bilgix.click';
        
        return [
            '@context' => 'https://schema.org',
            '@type' => 'NewsArticle',
            'headline' => $news['title'],
            'description' => $news['lead'],
            'image' => $news['featured_image'] ? [
                $siteUrl . '/uploads/news/' . $news['featured_image']
            ] : [
                $siteUrl . '/logo.jpeg'
            ],
            'datePublished' => $news['published_at'],
            'dateModified' => $news['updated_at'],
            'author' => [
                '@type' => 'Organization',
                'name' => 'BilgiX News Agency'
            ],
            'publisher' => [
                '@type' => 'Organization',
                'name' => 'BilgiX',
                'logo' => [
                    '@type' => 'ImageObject',
                    'url' => $siteUrl . '/logo.jpeg'
                ]
            ],
            'mainEntityOfPage' => [
                '@type' => 'WebPage',
                '@id' => $siteUrl . '/?route=' . $news['slug']
            ]
        ];
    }
    
    private function notFound() {
        http_response_code(404);
        $this->render('errors/404');
    }
    
    private function render($view, $data = []) {
        // اطلاعات عمومی
        $generalData = [
            'breakingNews' => $this->getBreakingNews(),
            'categories' => $this->getCategories(),
            'settings' => $this->getSettings()
        ];
        
        extract($generalData);
        extract($data);
        
        include __DIR__ . '/../views/layouts/frontend/header.php';
        
        if (file_exists(__DIR__ . "/../views/frontend/{$view}.php")) {
            include __DIR__ . "/../views/frontend/{$view}.php";
        } elseif (file_exists(__DIR__ . "/../views/{$view}.php")) {
            include __DIR__ . "/../views/{$view}.php";
        } else {
            echo "<div class='container'><h2>صفحه در حال توسعه</h2></div>";
        }
        
        include __DIR__ . '/../views/layouts/frontend/footer.php';
    }
    
    private function getBreakingNews() {
        return $this->pdo->query("
            SELECT id, title, slug 
            FROM news 
            WHERE status = 'published' AND is_breaking = 1 
            ORDER BY created_at DESC 
            LIMIT 5
        ")->fetchAll();
    }
    
    private function getCategories() {
        return $this->pdo->query("
            SELECT c.*, COUNT(nc.news_id) as news_count
            FROM categories c
            LEFT JOIN news_categories nc ON c.id = nc.category_id
            LEFT JOIN news n ON nc.news_id = n.id AND n.status = 'published'
            WHERE c.parent_id IS NULL AND c.is_active = 1
            GROUP BY c.id
            ORDER BY c.display_order ASC
            LIMIT 15
        ")->fetchAll();
    }
    
    private function getSettings() {
        $settings = $this->pdo->query("SELECT setting_key, setting_value FROM settings WHERE is_public = 1")->fetchAll();
        $result = [];
        foreach ($settings as $setting) {
            $result[$setting['setting_key']] = $setting['setting_value'];
        }
        
        if (empty($result)) {
            $result = [
                'site_title' => 'BilgiX - خبرگزاری فناوری',
                'site_description' => 'مرجع اخبار تکنولوژی، هوش مصنوعی و فناوری‌های نوین',
                'contact_address' => 'تبریز، خیابان آزادی، پلاک ۱۰۰',
                'contact_phone' => '۰۴۱-۳۲۲۰۰۰۰۰',
                'contact_email' => 'info@bilgix.click',
                'telegram_url' => 'https://t.me/bilgix_news',
                'instagram_url' => 'https://instagram.com/bilgix.news',
                'twitter_url' => 'https://twitter.com/bilgix_news'
            ];
        }
        
        return $result;
    }
    
    // تابع کمکی برای زمان
    public function timeAgo($datetime) {
        $time = strtotime($datetime);
        $now = time();
        $diff = $now - $time;
        
        if ($diff < 60) {
            return 'همین الان';
        } elseif ($diff < 3600) {
            $minutes = floor($diff / 60);
            return $minutes . ' دقیقه پیش';
        } elseif ($diff < 86400) {
            $hours = floor($diff / 3600);
            return $hours . ' ساعت پیش';
        } else {
            $days = floor($diff / 86400);
            return $days . ' روز پیش';
        }
    }
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class &quot;NewsController&quot; not found in /var/www/bilgix.click/index.php:319
Stack trace:
#0 /var/www/bilgix.click/public/index.php(2): require_once()
#1 {main}
  thrown in <b>/var/www/bilgix.click/index.php</b> on line <b>319</b><br />