🔁 فصل ۱۱: اشتراک و رزرواسیون

<?php
class WC_Product_Subscription extends WC_Product {
    
    public function __construct($product = 0) {
        $this->product_type = 'subscription';
        parent::__construct($product);
    }
    
    public function get_type() { return 'subscription'; }
    
    public function get_billing_period() {
        return $this->get_meta('_subscription_period') ?: 'month';
    }
    
    public function get_billing_interval() {
        return absint($this->get_meta('_subscription_interval')) ?: 1;
    }
    
    public function get_trial_days() {
        return absint($this->get_meta('_subscription_trial_days'));
    }
    
    public function get_signup_fee() {
        return floatval($this->get_meta('_subscription_signup_fee'));
    }
    
    public function get_price_html($deprecated = '') {
        $price = wc_price($this->get_price());
        $period = $this->get_billing_period();
        $interval = $this->get_billing_interval();
        
        $period_label = [
            'day'   => 'روز',
            'week'  => 'هفته',
            'month' => 'ماه',
            'year'  => 'سال',
        ][$period] ?? 'دوره';
        
        if ($interval > 1) {
            return sprintf('%s / هر %d %s', $price, $interval, $period_label);
        }
        return sprintf('%s / %s', $price, $period_label);
    }
}

// ساخت جدول هنگام فعال‌سازی افزونه
register_activation_hook(__FILE__, function() {
    global $wpdb;
    $charset = $wpdb->get_charset_collate();
    $sql = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}icsd_subscriptions (
        id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
        user_id BIGINT UNSIGNED NOT NULL,
        product_id BIGINT UNSIGNED NOT NULL,
        order_id BIGINT UNSIGNED NOT NULL,
        status VARCHAR(20) NOT NULL DEFAULT 'active',
        period VARCHAR(10) NOT NULL,
        interval_count INT NOT NULL DEFAULT 1,
        amount DECIMAL(15,2) NOT NULL,
        next_payment DATETIME NOT NULL,
        last_payment DATETIME,
        end_date DATETIME,
        created_at DATETIME NOT NULL,
        PRIMARY KEY (id),
        KEY user_id (user_id),
        KEY status (status),
        KEY next_payment (next_payment)
    ) {$charset};";
    
    require_once ABSPATH . 'wp-admin/includes/upgrade.php';
    dbDelta($sql);
});

add_action('woocommerce_order_status_processing', function($order_id) {
    $order = wc_get_order($order_id);
    if (!$order) return;
    
    foreach ($order->get_items() as $item) {
        $product = $item->get_product();
        if (!$product || $product->get_type() !== 'subscription') continue;
        
        $period = $product->get_billing_period();
        $interval = $product->get_billing_interval();
        $trial_days = $product->get_trial_days();
        
        // محاسبه next_payment
        $next = new DateTime();
        if ($trial_days > 0) {
            $next->modify("+{$trial_days} days");
        } else {
            $next->modify("+{$interval} {$period}");
        }
        
        global $wpdb;
        $wpdb->insert($wpdb->prefix . 'icsd_subscriptions', [
            'user_id'        => $order->get_user_id(),
            'product_id'     => $product->get_id(),
            'order_id'       => $order_id,
            'status'         => 'active',
            'period'         => $period,
            'interval_count' => $interval,
            'amount'         => $product->get_price(),
            'next_payment'   => $next->format('Y-m-d H:i:s'),
            'created_at'     => current_time('mysql'),
        ]);
        
        // ارسال ایمیل
        do_action('icsd_subscription_created', $wpdb->insert_id, $order);
    }
});

// زمان‌بندی Cron
add_action('init', function() {
    if (!wp_next_scheduled('icsd_process_recurring_payments')) {
        wp_schedule_event(time(), 'hourly', 'icsd_process_recurring_payments');
    }
});

add_action('icsd_process_recurring_payments', function() {
    global $wpdb;
    
    $due = $wpdb->get_results(
        "SELECT * FROM {$wpdb->prefix}icsd_subscriptions
         WHERE status = 'active'
         AND next_payment <= NOW()
         LIMIT 50"
    );
    
    foreach ($due as $sub) {
        process_subscription_renewal($sub);
    }
});

function process_subscription_renewal($subscription) {
    global $wpdb;
    $user = get_user_by('ID', $subscription->user_id);
    if (!$user) return;
    
    // ساخت سفارش renewal
    $order = wc_create_order(['customer_id' => $user->ID]);
    $product = wc_get_product($subscription->product_id);
    $order->add_product($product, 1, ['total' => $subscription->amount]);
    
    // کپی آدرس از سفارش اصلی
    $original = wc_get_order($subscription->order_id);
    $order->set_address($original->get_address('billing'), 'billing');
    $order->set_address($original->get_address('shipping'), 'shipping');
    
    $order->update_meta_data('_subscription_id', $subscription->id);
    $order->update_meta_data('_renewal', 'yes');
    $order->set_status('pending');
    $order->calculate_totals();
    $order->save();
    
    // اطلاع به کاربر برای پرداخت
    $payment_url = $order->get_checkout_payment_url();
    
    wp_mail($user->user_email,
        'پرداخت اشتراک شما در سررسید',
        'لینک پرداخت: ' . $payment_url
    );
    
    // پشتیبانی از Direct Debit (در صورت موجود بودن)
    if (apply_filters('icsd_can_charge_directly', false, $user->ID)) {
        try_direct_charge($subscription, $order);
    }
}

function try_direct_charge($subscription, $order) {
    // اگر کارت ذخیره‌شده وجود دارد، از API بانک بخواه
    $token = get_user_meta($subscription->user_id, '_payment_token', true);
    if (!$token) return;
    
    $response = wp_remote_post('https://api.gateway.com/charge', [
        'headers' => ['Authorization' => 'Bearer ' . API_KEY],
        'body' => wp_json_encode([
            'token' => $token,
            'amount' => $order->get_total() * 10, // به ریال
            'order_id' => $order->get_id(),
        ]),
    ]);
    
    $body = json_decode(wp_remote_retrieve_body($response), true);
    
    if ($body['success']) {
        $order->payment_complete($body['ref_id']);
        update_subscription_after_payment($subscription, true);
    } else {
        // ۳ بار تلاش بعدی، سپس expire
        increment_failed_attempts($subscription);
    }
}

function update_subscription_after_payment($subscription, $success) {
    global $wpdb;
    if (!$success) return;
    
    $next = new DateTime($subscription->next_payment);
    $next->modify("+{$subscription->interval_count} {$subscription->period}");
    
    $wpdb->update($wpdb->prefix . 'icsd_subscriptions', [
        'next_payment' => $next->format('Y-m-d H:i:s'),
        'last_payment' => current_time('mysql'),
    ], ['id' => $subscription->id]);
}

class WC_Product_Booking extends WC_Product {
    public function __construct($product = 0) {
        $this->product_type = 'booking';
        parent::__construct($product);
    }
    
    public function get_type() { return 'booking'; }
    
    public function get_resource_id() {
        return absint($this->get_meta('_resource_id'));
    }
    
    public function get_duration_minutes() {
        return absint($this->get_meta('_duration_minutes')) ?: 60;
    }
    
    public function get_available_hours() {
        return $this->get_meta('_available_hours') ?: '09:00-18:00';
    }
}

CREATE TABLE wp_icsd_bookings (
    id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    product_id BIGINT UNSIGNED NOT NULL,
    user_id BIGINT UNSIGNED NOT NULL,
    order_id BIGINT UNSIGNED,
    start_datetime DATETIME NOT NULL,
    end_datetime DATETIME NOT NULL,
    status VARCHAR(20) NOT NULL DEFAULT 'pending',
    created_at DATETIME NOT NULL,
    KEY product_id (product_id),
    KEY date_range (start_datetime, end_datetime),
    KEY status (status)
);

// لود FullCalendar
add_action('wp_enqueue_scripts', function() {
    if (!is_product()) return;
    global $product;
    if (!$product || $product->get_type() !== 'booking') return;
    
    wp_enqueue_script('fullcalendar', 
        'https://cdn.jsdelivr.net/npm/fullcalendar@6.1.10/index.global.min.js',
        [], '6.1.10', true);
    wp_enqueue_script('icsd-booking', plugins_url('assets/booking.js', __FILE__),
        ['fullcalendar'], '1.0', true);
});

// قالب فرم رزرو
add_action('woocommerce_single_product_summary', function() {
    global $product;
    if ($product->get_type() !== 'booking') return;
    ?>
    

        

        
        
        
        
        

            
زمان انتخابی: 
            
                رزرو این زمان - get_price()) ?>