refer a friend hook

functions.php

<?php

/**
 * Refer a Friend integration with points
 */
class WPGL_Refer_A_Friend
{
	private static $instance = null;

	public static function init()
	{
		if (self::$instance === null) {
			self::$instance = new self();
		}
		self::add_hooks();
	}

	private static function add_hooks()
	{
		// Add points instead of referral coupon
		add_action('gens_before_generate_user_coupon', [__CLASS__, 'award_referral_points'], 10, 3);

		// Prevent coupon generation
		add_filter('gens_raf_generate_coupon', [__CLASS__, 'prevent_coupon_generation'], 10, 2);
	}

	/**
	 * Award points for referral
	 */
	public static function award_referral_points($user_id, $type, $order)
	{
		// Get earning actions
		$earning_actions = WPGL_Points_Core::get_earning_actions();

		// Find referral action
		$referral_action = array_filter($earning_actions, function ($action) {
			return $action['type'] === WPGL_Points_Source_Type::REFER_FRIEND && $action['enabled'];
		});

		if (empty($referral_action)) {
			return;
		}

		$action = reset($referral_action);
		$points = $action['points'];

		// Add points
		do_action(
			'wpgens_loyalty_update_points',
			$user_id,
			$points,
			WPGL_Points_Activity_Type::EARN,
			WPGL_Points_Source_Type::REFER_FRIEND,
			$order ? $order->get_id() : null,
			'Referral reward'
		);
	}

	/**
	 * Prevent coupon generation
	 */
	public static function prevent_coupon_generation($generate, $order_id)
	{
		// Get earning actions
		$earning_actions = WPGL_Points_Core::get_earning_actions();

		// Find referral action
		$referral_action = array_filter($earning_actions, function ($action) {
			return $action['type'] === WPGL_Points_Source_Type::REFER_FRIEND && $action['enabled'];
		});

		// If there's an enabled referral action, prevent coupon generation
		if (!empty($referral_action)) {
			return false;
		}

		// Otherwise, allow coupon generation (return the original value)
		return $generate;
	}
}