wc-licensed-product/src/Email/LicenseEmailController.php

<?php
/**
 * License Email Controller
 *
 * @package Jeremias\WcLicensedProduct\Email
 */

declare(strict_types=1);

namespace Jeremias\WcLicensedProduct\Email;

use Jeremias\WcLicensedProduct\License\LicenseManager;

/**
 * Handles email notifications for licenses
 */
final class LicenseEmailController
{
    private LicenseManager $licenseManager;

    public function __construct(LicenseManager $licenseManager)
    {
        $this->licenseManager = $licenseManager;
        $this->registerHooks();
    }

    /**
     * Register WordPress hooks
     */
    private function registerHooks(): void
    {
        // Add license info to order completed email
        add_action('woocommerce_email_after_order_table', [$this, 'addLicenseInfoToEmail'], 20, 4);

        // Add license info to order details in emails
        add_action('woocommerce_order_item_meta_end', [$this, 'addLicenseToOrderItem'], 10, 4);
    }

    /**
     * Add license information to order completed email
     */
    public function addLicenseInfoToEmail(\WC_Order $order, bool $sentToAdmin, bool $plainText, $email): void
    {
        // Only add to completed order email sent to customer
        if ($sentToAdmin || !$email || $email->id !== 'customer_completed_order') {
            return;
        }

        $licenses = $this->getLicensesForOrder($order);
        if (empty($licenses)) {
            return;
        }

        if ($plainText) {
            $this->renderPlainTextLicenseInfo($licenses, $order);
        } else {
            $this->renderHtmlLicenseInfo($licenses, $order);
        }
    }

    /**
     * Add license key to order item in email
     */
    public function addLicenseToOrderItem(int $itemId, \WC_Order_Item $item, \WC_Order $order, bool $plainText): void
    {
        $product = $item->get_product();
        if (!$product || !$product->is_type('licensed')) {
            return;
        }

        $license = $this->licenseManager->getLicenseByOrderAndProduct($order->get_id(), $product->get_id());
        if (!$license) {
            return;
        }

        if ($plainText) {
            echo "\n" . esc_html__('License Key:', 'wc-licensed-product') . ' ' . esc_html($license->getLicenseKey()) . "\n";
        } else {
            ?>
            <div style="margin-top: 10px; padding: 10px; background-color: #f8f9fa; border-left: 3px solid #0073aa;">
                <strong><?php esc_html_e('License Key:', 'wc-licensed-product'); ?></strong>
                <code style="display: block; margin-top: 5px; padding: 5px; background: #fff; font-family: monospace;">
                    <?php echo esc_html($license->getLicenseKey()); ?>
                </code>
            </div>
            <?php
        }
    }

    /**
     * Get all licenses for an order
     */
    private function getLicensesForOrder(\WC_Order $order): array
    {
        $licenses = [];

        foreach ($order->get_items() as $item) {
            $product = $item->get_product();
            if ($product && $product->is_type('licensed')) {
                $license = $this->licenseManager->getLicenseByOrderAndProduct($order->get_id(), $product->get_id());
                if ($license) {
                    $licenses[] = [
                        'license' => $license,
                        'product_name' => $product->get_name(),
                    ];
                }
            }
        }

        return $licenses;
    }

    /**
     * Render license info in HTML format
     */
    private function renderHtmlLicenseInfo(array $licenses, \WC_Order $order): void
    {
        $domain = $order->get_meta('_licensed_product_domain');
        ?>
        <div style="margin: 20px 0; padding: 20px; background-color: #f8f9fa; border: 1px solid #e5e5e5; border-radius: 4px;">
            <h2 style="margin-top: 0; color: #333;"><?php esc_html_e('Your License Keys', 'wc-licensed-product'); ?></h2>

            <?php if ($domain): ?>
                <p style="margin-bottom: 15px;">
                    <strong><?php esc_html_e('Licensed Domain:', 'wc-licensed-product'); ?></strong>
                    <?php echo esc_html($domain); ?>
                </p>
            <?php endif; ?>

            <table style="width: 100%; border-collapse: collapse;">
                <thead>
                    <tr>
                        <th style="text-align: left; padding: 10px; border-bottom: 2px solid #ddd;"><?php esc_html_e('Product', 'wc-licensed-product'); ?></th>
                        <th style="text-align: left; padding: 10px; border-bottom: 2px solid #ddd;"><?php esc_html_e('License Key', 'wc-licensed-product'); ?></th>
                        <th style="text-align: left; padding: 10px; border-bottom: 2px solid #ddd;"><?php esc_html_e('Expires', 'wc-licensed-product'); ?></th>
                    </tr>
                </thead>
                <tbody>
                    <?php foreach ($licenses as $item): ?>
                        <tr>
                            <td style="padding: 10px; border-bottom: 1px solid #eee;"><?php echo esc_html($item['product_name']); ?></td>
                            <td style="padding: 10px; border-bottom: 1px solid #eee;">
                                <code style="background: #fff; padding: 3px 6px; font-family: monospace;">
                                    <?php echo esc_html($item['license']->getLicenseKey()); ?>
                                </code>
                            </td>
                            <td style="padding: 10px; border-bottom: 1px solid #eee;">
                                <?php
                                $expiresAt = $item['license']->getExpiresAt();
                                echo $expiresAt
                                    ? esc_html($expiresAt->format(get_option('date_format')))
                                    : esc_html__('Never', 'wc-licensed-product');
                                ?>
                            </td>
                        </tr>
                    <?php endforeach; ?>
                </tbody>
            </table>

            <p style="margin-top: 15px; margin-bottom: 0; font-size: 0.9em; color: #666;">
                <?php esc_html_e('You can also view your licenses in your account under "Licenses".', 'wc-licensed-product'); ?>
            </p>
        </div>
        <?php
    }

    /**
     * Render license info in plain text format
     */
    private function renderPlainTextLicenseInfo(array $licenses, \WC_Order $order): void
    {
        $domain = $order->get_meta('_licensed_product_domain');

        echo "\n\n";
        echo "==========================================================\n";
        echo esc_html__('YOUR LICENSE KEYS', 'wc-licensed-product') . "\n";
        echo "==========================================================\n\n";

        if ($domain) {
            echo esc_html__('Licensed Domain:', 'wc-licensed-product') . ' ' . esc_html($domain) . "\n\n";
        }

        foreach ($licenses as $item) {
            echo esc_html($item['product_name']) . "\n";
            echo esc_html__('License Key:', 'wc-licensed-product') . ' ' . esc_html($item['license']->getLicenseKey()) . "\n";

            $expiresAt = $item['license']->getExpiresAt();
            echo esc_html__('Expires:', 'wc-licensed-product') . ' ';
            echo $expiresAt
                ? esc_html($expiresAt->format(get_option('date_format')))
                : esc_html__('Never', 'wc-licensed-product');
            echo "\n\n";
        }

        echo esc_html__('You can also view your licenses in your account under "Licenses".', 'wc-licensed-product') . "\n";
        echo "==========================================================\n\n";
    }
}