Masterstudy LMS – Woocomerce Create Account After Payment

add_action('woocommerce_order_status_completed', 'create_user_and_notify_on_order_completion_with_masterstudy');

function create_user_and_notify_on_order_completion_with_masterstudy($order_id) {

    $order = wc_get_order($order_id);

    $customer_email = $order->get_billing_email();

    // Find user by email

    $user = get_user_by('email', $customer_email);

    if ($user) {

        // Existing user found, update 'customer' role

        if (!in_array('customer', $user->roles)) {

            $user->add_role('customer');

        }

        // Update order to link to customer profile

        $order->set_customer_id($user->ID);

        $order->set_billing_email($customer_email);

        $order->set_billing_first_name($user->first_name);

        $order->set_billing_last_name($user->last_name);

        $order->save();

        // Enroll user in courses based on the order

        foreach ($order->get_items() as $item) {

            $product_id = $item->get_product_id();

            if (STM_LMS_Order::has_purchased_courses($user->ID, $product_id)) {

                STM_LMS_Course::add_user_course($product_id, $user->ID, 0, 0);

                STM_LMS_Course::add_student($product_id);

            }

        }

    } else {

        // New user, create account and enroll in courses

        $first_name = $order->get_billing_first_name();

        $last_name = $order->get_billing_last_name();

        // Use email as password for the user

        $password = $customer_email;

        // Create a new user

        $user_id = wp_create_user($customer_email, $password, $customer_email);

        if (!is_wp_error($user_id)) {

            // Update user information and assign 'customer' role

            wp_update_user([

                'ID'         => $user_id,

                'first_name' => $first_name,

                'last_name'  => $last_name,

                'role'       => 'customer'

            ]);

            // Send account creation email to the user

            WC()->mailer()->emails['WC_Email_Customer_New_Account']->trigger($user_id, $password, true);

            // Set the customer ID on the order

            update_post_meta($order_id, '_customer_user', $user_id);

            // Enroll user in courses based on the order

            foreach ($order->get_items() as $item) {

                $product_id = $item->get_product_id();

                if (STM_LMS_Order::has_purchased_courses($user_id, $product_id)) {

                    STM_LMS_Course::add_user_course($product_id, $user_id, 0, 0);

                    STM_LMS_Course::add_student($product_id);

                }

            }

        } else {

            error_log('Failed to create user for order ' . $order_id . ': ' . $user_id->get_error_message());

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    }

}