'; // Only one Subscription per customer woocommerce_wp_select( array( 'id' => '_subscription_limit', 'class' => 'wc-enhanced-select', 'label' => __( 'Limit subscription', 'woocommerce-subscriptions' ), // translators: placeholders are opening and closing link tags 'description' => sprintf( __( 'Only allow a customer to have one subscription to this product. %1$sLearn more%2$s.', 'woocommerce-subscriptions' ), '', '' ), 'options' => array( 'no' => __( 'Do not limit', 'woocommerce-subscriptions' ), 'active' => __( 'Limit to one active subscription', 'woocommerce-subscriptions' ), 'any' => __( 'Limit to one of any status', 'woocommerce-subscriptions' ), ), ) ); echo ''; do_action( 'woocommerce_subscriptions_product_options_advanced' ); } /** * Canonical is_purchasable method to be called by product classes. * * @since 1.0.0 - Migrated from WooCommerce Subscriptions v2.1 * @param bool $purchasable Whether the product is purchasable as determined by parent class * @param mixed $product The product in question to be checked if it is purchasable. * * @return bool */ public static function is_purchasable( $purchasable, $product ) { switch ( $product->get_type() ) { case 'subscription': case 'variable-subscription': if ( true === $purchasable && false === self::is_purchasable_product( $purchasable, $product ) ) { $purchasable = false; } break; case 'subscription_variation': $variable_product = wc_get_product( $product->get_parent_id() ); if ( 'no' != wcs_get_product_limitation( $variable_product ) && ! empty( WC()->cart->cart_contents ) && ! wcs_is_order_received_page() && ! wcs_is_paypal_api_page() ) { // When mixed checkout is disabled, the variation is replaceable if ( 'no' === get_option( WC_Subscriptions_Admin::$option_prefix . '_multiple_purchase', 'no' ) ) { $purchasable = true; } else { // When mixed checkout is enabled foreach ( WC()->cart->cart_contents as $cart_item ) { // If the variable product is limited, it can't be purchased if it is the same variation if ( $product->get_parent_id() == wcs_get_objects_property( $cart_item['data'], 'parent_id' ) && $product->get_id() != $cart_item['data']->get_id() ) { $purchasable = false; break; } } } } break; } return $purchasable; } /** * If a product is limited and the customer already has a subscription, mark it as not purchasable. * * @since 1.0.0 - Migrated from WooCommerce Subscriptions v2.1, Moved from WC_Subscriptions_Product * @return bool */ public static function is_purchasable_product( $is_purchasable, $product ) { // Set up cache if ( ! isset( self::$is_purchasable_cache[ $product->get_id() ] ) ) { self::$is_purchasable_cache[ $product->get_id() ] = array(); } // Populate the cache if it hasn't been set yet. if ( ! isset( self::$is_purchasable_cache[ $product->get_id() ]['standard'] ) ) { self::$is_purchasable_cache[ $product->get_id() ]['standard'] = $is_purchasable; if ( WC_Subscriptions_Product::is_subscription( $product->get_id() ) && 'no' != wcs_get_product_limitation( $product ) && ! wcs_is_order_received_page() && ! wcs_is_paypal_api_page() ) { if ( wcs_is_product_limited_for_user( $product ) && ! self::order_awaiting_payment_for_product( $product->get_id() ) ) { self::$is_purchasable_cache[ $product->get_id() ]['standard'] = false; } } } return self::$is_purchasable_cache[ $product->get_id() ]['standard']; } /** * If a product is being marked as not purchasable because it is limited and the customer has a subscription, * but the current request is to switch the subscription, then mark it as purchasable. * * @since 1.0.0 - Migrated from WooCommerce Subscriptions v2.1, Moved from WC_Subscriptions_Switcher::is_purchasable * @return bool */ public static function is_purchasable_switch( $is_purchasable, $product ) { $product_key = wcs_get_canonical_product_id( $product ); // Set an empty cache if one isn't set yet. if ( ! isset( self::$is_purchasable_cache[ $product_key ] ) ) { self::$is_purchasable_cache[ $product_key ] = array(); } // Exit early if we've already determined this product's purchasability via switching. if ( isset( self::$is_purchasable_cache[ $product_key ]['switch'] ) ) { return self::$is_purchasable_cache[ $product_key ]['switch']; } // If the product is already purchasble, we don't need to determine it's purchasibility via switching/auto-switching. if ( true === $is_purchasable || ! is_user_logged_in() || ! wcs_is_product_switchable_type( $product ) || ! WC_Subscriptions_Product::is_subscription( $product->get_id() ) ) { self::$is_purchasable_cache[ $product_key ]['switch'] = $is_purchasable; return self::$is_purchasable_cache[ $product_key ]['switch']; } $user_id = get_current_user_id(); $product_limitation = wcs_get_product_limitation( $product ); if ( 'no' == $product_limitation || ! wcs_user_has_subscription( $user_id, $product->get_id(), wcs_get_product_limitation( $product ) ) ) { self::$is_purchasable_cache[ $product_key ]['switch'] = $is_purchasable; return self::$is_purchasable_cache[ $product_key ]['switch']; } // Adding to cart if ( isset( $_GET['switch-subscription'] ) && array_key_exists( $_GET['switch-subscription'], self::get_user_subscriptions_to_product( $product, $user_id, $product_limitation ) ) ) { $is_purchasable = true; } else { // If we have a variation product get the variable product's ID. We can't use the variation ID for comparison because this function sometimes receives a variable product. $product_id = $product->is_type( 'variation' ) ? $product->get_parent_id() : $product->get_id(); $cart_contents = array(); // Use the version of the cart we have access to. We may need to look for switches in the cart being loaded from the session. if ( wcs_cart_contains_switches() ) { $cart_contents = WC()->cart->cart_contents; } elseif ( isset( WC()->session->cart ) ) { $cart_contents = WC()->session->cart; } // Check if the cart contains a switch for this specific product. foreach ( $cart_contents as $cart_item ) { if ( $product_id === $cart_item['product_id'] && isset( $cart_item['subscription_switch']['subscription_id'] ) && array_key_exists( $cart_item['subscription_switch']['subscription_id'], self::get_user_subscriptions_to_product( $product, $user_id, $product_limitation ) ) ) { $is_purchasable = true; break; } } } self::$is_purchasable_cache[ $product_key ]['switch'] = $is_purchasable; return self::$is_purchasable_cache[ $product_key ]['switch']; } /** * Determines whether a product is purchasable based on whether the cart is to resubscribe or renew. * * @since 1.0.0 - Migrated from WooCommerce Subscriptions v2.1, Combines WCS_Cart_Renewal::is_purchasable and WCS_Cart_Resubscribe::is_purchasable * @return bool */ public static function is_purchasable_renewal( $is_purchasable, $product ) { if ( false === $is_purchasable && false === self::is_purchasable_product( $is_purchasable, $product ) ) { // Resubscribe logic if ( isset( $_GET['resubscribe'] ) || false !== ( $resubscribe_cart_item = wcs_cart_contains_resubscribe() ) ) { $subscription_id = ( isset( $_GET['resubscribe'] ) ) ? absint( $_GET['resubscribe'] ) : $resubscribe_cart_item['subscription_resubscribe']['subscription_id']; $subscription = wcs_get_subscription( $subscription_id ); if ( false != $subscription && $subscription->has_product( $product->get_id() ) && wcs_can_user_resubscribe_to( $subscription ) ) { $is_purchasable = true; } // Renewal logic } elseif ( isset( $_GET['subscription_renewal'] ) || wcs_cart_contains_renewal() ) { $is_purchasable = true; // Restoring cart from session, so need to check the cart in the session (wcs_cart_contains_renewal() only checks the cart) } elseif ( ! empty( WC()->session->cart ) ) { foreach ( WC()->session->cart as $cart_item_key => $cart_item ) { if ( $product->get_id() == $cart_item['product_id'] && ( isset( $cart_item['subscription_renewal'] ) || isset( $cart_item['subscription_resubscribe'] ) ) ) { $is_purchasable = true; break; } } } } return $is_purchasable; } /** * Check if the current session has an order awaiting payment for a subscription to a specific product line item. * * @since 1.0.0 - Migrated from WooCommerce Subscriptions v2.1.0 * @param int $product_id The product to look for a subscription awaiting payment. * @return bool **/ protected static function order_awaiting_payment_for_product( $product_id ) { global $wp; if ( isset( self::$order_awaiting_payment_for_product[ $product_id ] ) ) { return self::$order_awaiting_payment_for_product[ $product_id ]; } // Set up the cache with a default value. self::$order_awaiting_payment_for_product[ $product_id ] = false; // If there's no order waiting payment, exit early. if ( empty( WC()->session->order_awaiting_payment ) && ! isset( $_GET['pay_for_order'] ) ) { return self::$order_awaiting_payment_for_product[ $product_id ]; } $order_id = ! empty( WC()->session->order_awaiting_payment ) ? WC()->session->order_awaiting_payment : $wp->query_vars['order-pay']; $order = wc_get_order( absint( $order_id ) ); if ( is_object( $order ) && $order->has_status( array( 'pending', 'failed' ) ) ) { foreach ( $order->get_items() as $item ) { // If this order contains the product we're interested in, continue finding a related subscription. if ( $item['product_id'] == $product_id || $item['variation_id'] == $product_id ) { $subscriptions = wcs_get_subscriptions( array( 'order_id' => $order->get_id(), 'subscription_status' => array( 'active', 'pending', 'on-hold' ), ) ); foreach ( $subscriptions as $subscription ) { // Check that the subscription has the product we're interested in. if ( $subscription->has_product( $product_id ) && $subscription->needs_payment() ) { self::$order_awaiting_payment_for_product[ $product_id ] = true; break 2; // break out of the $subscriptions and order line item loops - we've found at least 1 subscription pending payment for the product. } } } } } return self::$order_awaiting_payment_for_product[ $product_id ]; } /** * Filters the order statuses that enable the order again button and functionality. * * This function will return no statuses if the order contains non purchasable or limited products. * * @since 1.0.0 - Migrated from WooCommerce Subscriptions v3.0.2 * * @param array $statuses The order statuses that enable the order again button. * @return array $statuses An empty array if the order contains limited products, otherwise the default statuses are returned. */ public static function filter_order_again_statuses_for_limited_subscriptions( $statuses ) { global $wp; if ( is_view_order_page() ) { $order = wc_get_order( absint( $wp->query_vars['view-order'] ) ); } elseif ( is_order_received_page() ) { $order = wc_get_order( absint( $wp->query_vars['order-received'] ) ); } if ( empty( $order ) ) { return $statuses; } $is_purchasable = true; foreach ( $order->get_items() as $line_item ) { $product = $line_item->get_product(); if ( WC_Subscriptions_Product::is_subscription( $product ) && wcs_is_product_limited_for_user( $product ) ) { $is_purchasable = false; break; } } // If all products are purchasable, return the default statuses, otherwise return no statuses. if ( $is_purchasable ) { return $statuses; } else { return array(); } } /** * Gets a list of the customer subscriptions to a product with a particular limited status. * * @param WC_Product|int $product The product object or product ID. * @param int $user_id The user's ID. * @param string $limit_status The limit status. * * @return WC_Subscription[] An array of a customer's subscriptions with a specific status and product. */ protected static function get_user_subscriptions_to_product( $product, $user_id, $limit_status ) { static $user_subscriptions_to_product = array(); $product_id = is_object( $product ) ? $product->get_id() : $product; $cache_key = "{$product_id}_{$user_id}_{$limit_status}"; if ( ! isset( $user_subscriptions_to_product[ $cache_key ] ) ) { // Getting all the customers subscriptions and removing ones without the product is more performant than querying for subscriptions with the product. $subscriptions = wcs_get_subscriptions( array( 'customer_id' => $user_id, 'status' => $limit_status, ) ); foreach ( $subscriptions as $subscription_id => $subscription ) { if ( ! $subscription->has_product( $product_id ) ) { unset( $subscriptions[ $subscription_id ] ); } } $user_subscriptions_to_product[ $cache_key ] = $subscriptions; } return $user_subscriptions_to_product[ $cache_key ]; } }