mirror of
https://github.com/pronamic/woocommerce-subscriptions.git
synced 2025-10-13 12:52:56 +00:00
251 lines
9.8 KiB
PHP
251 lines
9.8 KiB
PHP
<?php
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/**
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* A class to make it possible to limit a subscription product.
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*
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* @package WooCommerce Subscriptions
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* @category Class
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* @since 2.1
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*/
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class WCS_Limiter {
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/* cache whether a given product is purchasable or not to save running lots of queries for the same product in the same request */
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protected static $is_purchasable_cache = array();
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/* cache the check on whether the session has an order awaiting payment for a given product */
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protected static $order_awaiting_payment_for_product = array();
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public static function init() {
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//Add limiting subscriptions options on edit product page
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add_action( 'woocommerce_product_options_advanced', __CLASS__ . '::admin_edit_product_fields' );
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add_filter( 'woocommerce_subscription_is_purchasable', __CLASS__ . '::is_purchasable_switch', 12, 2 );
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add_filter( 'woocommerce_subscription_variation_is_purchasable', __CLASS__ . '::is_purchasable_switch', 12, 2 );
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add_filter( 'woocommerce_subscription_is_purchasable', __CLASS__ . '::is_purchasable_renewal', 12, 2 );
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add_filter( 'woocommerce_subscription_variation_is_purchasable', __CLASS__ . '::is_purchasable_renewal', 12, 2 );
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}
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/**
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* Adds limit options to 'Edit Product' screen.
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*
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* @since 2.1 Moved from WC_Subscriptions_Admin
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*/
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public static function admin_edit_product_fields() {
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global $post;
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echo '<div class="options_group limit_subscription show_if_subscription show_if_variable-subscription">';
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// Only one Subscription per customer
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woocommerce_wp_select( array(
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'id' => '_subscription_limit',
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'label' => __( 'Limit subscription', 'woocommerce-subscriptions' ),
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// translators: placeholders are opening and closing link tags
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'description' => sprintf( __( 'Only allow a customer to have one subscription to this product. %sLearn more%s.', 'woocommerce-subscriptions' ), '<a href="http://docs.woocommerce.com/document/subscriptions/store-manager-guide/#limit-subscription">', '</a>' ),
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'options' => array(
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'no' => __( 'Do not limit', 'woocommerce-subscriptions' ),
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'active' => __( 'Limit to one active subscription', 'woocommerce-subscriptions' ),
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'any' => __( 'Limit to one of any status', 'woocommerce-subscriptions' ),
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),
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) );
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echo '</div>';
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do_action( 'woocommerce_subscriptions_product_options_advanced' );
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}
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/**
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* Canonical is_purchasable method to be called by product classes.
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*
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* @since 2.1
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* @param bool $purchasable Whether the product is purchasable as determined by parent class
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* @param mixed $product The product in question to be checked if it is purchasable.
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* @param string $product_class Determines the subscription type of the product. Controls switch logic.
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*
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* @return bool
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*/
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public static function is_purchasable( $purchasable, $product ) {
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switch ( $product->get_type() ) {
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case 'subscription' :
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case 'variable-subscription' :
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if ( true === $purchasable && false === self::is_purchasable_product( $purchasable, $product ) ) {
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$purchasable = false;
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}
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break;
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case 'subscription_variation' :
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$variable_product = wc_get_product( $product->get_parent_id() );
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if ( 'no' != wcs_get_product_limitation( $variable_product ) && ! empty( WC()->cart->cart_contents ) && ! wcs_is_order_received_page() && ! wcs_is_paypal_api_page() ) {
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// When mixed checkout is disabled, the variation is replaceable
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if ( 'no' === get_option( WC_Subscriptions_Admin::$option_prefix . '_multiple_purchase', 'no' ) ) {
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$purchasable = true;
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} else { // When mixed checkout is enabled
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foreach ( WC()->cart->cart_contents as $cart_item ) {
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// If the variable product is limited, it can't be purchased if it is the same variation
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if ( $product->get_parent_id() == wcs_get_objects_property( $cart_item['data'], 'parent_id' ) && $product->get_id() != $cart_item['data']->get_id() ) {
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$purchasable = false;
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break;
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}
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}
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}
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}
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break;
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}
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return $purchasable;
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}
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/**
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* If a product is limited and the customer already has a subscription, mark it as not purchasable.
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*
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* @since 2.1 Moved from WC_Subscriptions_Product
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* @return bool
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*/
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public static function is_purchasable_product( $is_purchasable, $product ) {
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//Set up cache
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if ( ! isset( self::$is_purchasable_cache[ $product->get_id() ] ) ) {
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self::$is_purchasable_cache[ $product->get_id() ] = array();
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}
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if ( ! isset( self::$is_purchasable_cache[ $product->get_id() ]['standard'] ) ) {
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self::$is_purchasable_cache[ $product->get_id() ]['standard'] = $is_purchasable;
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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() ) {
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if ( wcs_is_product_limited_for_user( $product ) && ! self::order_awaiting_payment_for_product( $product->get_id() ) ) {
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self::$is_purchasable_cache[ $product->get_id() ]['standard'] = false;
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}
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}
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}
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return self::$is_purchasable_cache[ $product->get_id() ]['standard'];
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}
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/**
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* If a product is being marked as not purchasable because it is limited and the customer has a subscription,
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* but the current request is to switch the subscription, then mark it as purchasable.
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*
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* @since 2.1 Moved from WC_Subscriptions_Switcher::is_purchasable
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* @return bool
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*/
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public static function is_purchasable_switch( $is_purchasable, $product ) {
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$product_key = wcs_get_canonical_product_id( $product );
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if ( ! isset( self::$is_purchasable_cache[ $product_key ] ) ) {
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self::$is_purchasable_cache[ $product_key ] = array();
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}
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if ( ! isset( self::$is_purchasable_cache[ $product_key ]['switch'] ) ) {
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if ( false === $is_purchasable && wcs_is_product_switchable_type( $product ) && WC_Subscriptions_Product::is_subscription( $product->get_id() ) && 'no' != wcs_get_product_limitation( $product ) && is_user_logged_in() && wcs_user_has_subscription( 0, $product->get_id(), wcs_get_product_limitation( $product ) ) ) {
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//Adding to cart
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if ( isset( $_GET['switch-subscription'] ) ) {
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$is_purchasable = true;
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//Validating when restoring cart from session
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} elseif ( WC_Subscriptions_Switcher::cart_contains_switches() ) {
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$is_purchasable = true;
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// Restoring cart from session, so need to check the cart in the session (WC_Subscriptions_Switcher::cart_contains_subscription_switch() only checks the cart)
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} elseif ( isset( WC()->session->cart ) ) {
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foreach ( WC()->session->cart as $cart_item_key => $cart_item ) {
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if ( $product->get_id() == $cart_item['product_id'] && isset( $cart_item['subscription_switch'] ) ) {
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$is_purchasable = true;
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break;
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}
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}
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}
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}
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self::$is_purchasable_cache[ $product_key ]['switch'] = $is_purchasable;
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}
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return self::$is_purchasable_cache[ $product_key ]['switch'];
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}
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/**
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* Determines whether a product is purchasable based on whether the cart is to resubscribe or renew.
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*
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* @since 2.1 Combines WCS_Cart_Renewal::is_purchasable and WCS_Cart_Resubscribe::is_purchasable
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* @return bool
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*/
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public static function is_purchasable_renewal( $is_purchasable, $product ) {
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if ( false === $is_purchasable && false === self::is_purchasable_product( $is_purchasable, $product ) ) {
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// Resubscribe logic
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if ( isset( $_GET['resubscribe'] ) || false !== ( $resubscribe_cart_item = wcs_cart_contains_resubscribe() ) ) {
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$subscription_id = ( isset( $_GET['resubscribe'] ) ) ? absint( $_GET['resubscribe'] ) : $resubscribe_cart_item['subscription_resubscribe']['subscription_id'];
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$subscription = wcs_get_subscription( $subscription_id );
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if ( false != $subscription && $subscription->has_product( $product->get_id() ) && wcs_can_user_resubscribe_to( $subscription ) ) {
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$is_purchasable = true;
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}
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// Renewal logic
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} elseif ( isset( $_GET['subscription_renewal'] ) || wcs_cart_contains_renewal() ) {
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$is_purchasable = true;
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// Restoring cart from session, so need to check the cart in the session (wcs_cart_contains_renewal() only checks the cart)
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} elseif ( WC()->session->cart ) {
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foreach ( WC()->session->cart as $cart_item_key => $cart_item ) {
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if ( $product->get_id() == $cart_item['product_id'] && ( isset( $cart_item['subscription_renewal'] ) || isset( $cart_item['subscription_resubscribe'] ) ) ) {
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$is_purchasable = true;
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break;
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}
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}
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}
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}
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return $is_purchasable;
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}
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/**
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* Check if the current session has an order awaiting payment for a subscription to a specific product line item.
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*
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* @since 2.1 Moved from WC_Subscriptions_Product
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* @return bool
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**/
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protected static function order_awaiting_payment_for_product( $product_id ) {
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global $wp;
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if ( ! isset( self::$order_awaiting_payment_for_product[ $product_id ] ) ) {
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self::$order_awaiting_payment_for_product[ $product_id ] = false;
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if ( ! empty( WC()->session->order_awaiting_payment ) || isset( $_GET['pay_for_order'] ) ) {
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$order_id = ! empty( WC()->session->order_awaiting_payment ) ? WC()->session->order_awaiting_payment : $wp->query_vars['order-pay'];
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$order = wc_get_order( absint( $order_id ) );
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if ( is_object( $order ) && $order->has_status( array( 'pending', 'failed' ) ) ) {
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foreach ( $order->get_items() as $item ) {
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if ( $item['product_id'] == $product_id || $item['variation_id'] == $product_id ) {
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$subscriptions = wcs_get_subscriptions( array(
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'order_id' => wcs_get_objects_property( $order, 'id' ),
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'product_id' => $product_id,
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) );
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if ( ! empty( $subscriptions ) ) {
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$subscription = array_pop( $subscriptions );
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if ( $subscription->has_status( array( 'pending', 'on-hold' ) ) ) {
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self::$order_awaiting_payment_for_product[ $product_id ] = true;
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}
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}
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break;
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}
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}
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}
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}
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}
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return self::$order_awaiting_payment_for_product[ $product_id ];
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}
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}
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WCS_Limiter::init();
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