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<?php |
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// Exit if accessed directly. |
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if (!defined( 'ABSPATH' ) ) exit; |
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function wpinv_subscription_init() { |
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return WPInv_Subscriptions::instance(); |
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} |
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add_action( 'plugins_loaded', 'wpinv_subscription_init', 100 ); |
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/** |
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* WPInv_Subscriptions Class. |
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* |
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* @since 1.0.0 |
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*/ |
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class WPInv_Subscriptions { |
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private static $instance; |
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/** |
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* Main WPInv_Subscriptions Instance |
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*/ |
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public static function instance() { |
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if ( ! isset( self::$instance ) ) { |
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self::$instance = new WPInv_Subscriptions; |
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self::$instance->init(); |
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} |
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return self::$instance; |
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} |
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/** |
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* Constructor -- prevent new instances |
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* |
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* @since 1.0.0 |
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*/ |
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private function __construct(){ |
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} |
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/** |
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* Get things started |
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* |
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* Sets up inits actions and filters |
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* |
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* @since 1.0.0 |
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*/ |
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function init() { |
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self::setup_constants(); |
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self::actions(); |
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self::filters(); |
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} |
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/** |
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* Setup plugin constants. |
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* |
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* @access private |
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* @since 1.0.0 |
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* @return void |
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*/ |
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private function setup_constants() { |
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// Make sure CAL_GREGORIAN is defined. |
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if ( ! defined( 'CAL_GREGORIAN' ) ) { |
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define( 'CAL_GREGORIAN', 1 ); |
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} |
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} |
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/** |
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* Add our actions |
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* |
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* @since 1.0.0 |
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* @return void |
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*/ |
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private function actions() { |
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add_action( 'admin_menu', array( $this, 'wpinv_subscriptions_list' ), 40 ); |
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add_action( 'admin_notices', array( $this, 'notices' ) ); |
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add_action( 'init', array( $this, 'wpinv_post_actions' ) ); |
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add_action( 'init', array( $this, 'wpinv_get_actions' ) ); |
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add_action( 'wpinv_cancel_subscription', array( $this, 'wpinv_process_cancellation' ) ); |
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add_action( 'getpaid_checkout_before_gateway', array( $this, 'add_subscription' ), -999 ); |
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add_action( 'wpinv_subscriptions_front_notices', array( $this, 'notices' ) ); |
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add_action( 'getpaid_authenticated_admin_action_update_single_subscription', array( $this, 'admin_update_single_subscription' ) ); |
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add_action( 'getpaid_authenticated_admin_action_subscription_manual_renew', array( $this, 'admin_renew_single_subscription' ) ); |
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} |
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/** |
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* Add our filters |
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* |
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* @since 1.0 |
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* @return void |
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*/ |
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private function filters() { |
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} |
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/** |
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* Register our Subscriptions submenu |
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* |
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* @since 2.4 |
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* @return void |
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*/ |
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public function wpinv_subscriptions_list() { |
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add_submenu_page( |
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'wpinv', |
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__( 'Subscriptions', 'invoicing' ), |
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__( 'Subscriptions', 'invoicing' ), |
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wpinv_get_capability(), |
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'wpinv-subscriptions', |
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'wpinv_subscriptions_page' |
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); |
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} |
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public function notices() { |
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if( empty( $_GET['wpinv-message'] ) ) { |
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return; |
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} |
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$type = 'updated'; |
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$message = ''; |
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switch( strtolower( $_GET['wpinv-message'] ) ) { |
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case 'updated' : |
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$message = __( 'Subscription updated successfully.', 'invoicing' ); |
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break; |
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case 'deleted' : |
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$message = __( 'Subscription deleted successfully.', 'invoicing' ); |
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break; |
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case 'cancelled' : |
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$message = __( 'Subscription cancelled successfully.', 'invoicing' ); |
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break; |
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} |
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if ( ! empty( $message ) ) { |
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echo '<div class="' . esc_attr( $type ) . '"><p>' . $message . '</p></div>'; |
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} |
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} |
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/** |
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* Every wpinv_action present in $_GET is called using WordPress's do_action function. |
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* These functions are called on init. |
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* |
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* @since 1.0.0 |
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* @return void |
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*/ |
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function wpinv_get_actions() { |
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if ( isset( $_GET['wpinv_action'] ) ) { |
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do_action( 'wpinv_' . $_GET['wpinv_action'], $_GET ); |
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} |
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} |
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/** |
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* Every wpinv_action present in $_POST is called using WordPress's do_action function. |
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* These functions are called on init. |
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* |
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* @since 1.0.0 |
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* @return void |
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*/ |
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function wpinv_post_actions() { |
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if ( isset( $_POST['wpinv_action'] ) ) { |
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do_action( 'wpinv_' . $_POST['wpinv_action'], $_POST ); |
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} |
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} |
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/** |
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* Get pretty subscription frequency |
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* |
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* @param $period |
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* @param int $frequency_count The frequency of the period. |
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* @return mixed|string|void |
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*/ |
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public static function wpinv_get_pretty_subscription_frequency( $period, $frequency_count = 1) { |
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$frequency = ''; |
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//Format period details |
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switch ( strtolower( $period ) ) { |
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case 'day' : |
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case 'd' : |
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$frequency = sprintf( _n('%d Day', '%d Days', $frequency_count, 'invoicing'), $frequency_count); |
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break; |
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case 'week' : |
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case 'w' : |
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$frequency = sprintf( _n('%d Week', '%d Weeks', $frequency_count, 'invoicing'), $frequency_count); |
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break; |
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case 'month' : |
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case 'm' : |
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$frequency = sprintf( _n('%d Month', '%d Months', $frequency_count, 'invoicing'), $frequency_count); |
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break; |
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case 'year' : |
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case 'y' : |
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$frequency = sprintf( _n('%d Year', '%d Years', $frequency_count, 'invoicing'), $frequency_count); |
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break; |
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default : |
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$frequency = apply_filters( 'wpinv_recurring_subscription_frequency', $frequency, $period, $frequency_count ); |
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break; |
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} |
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return $frequency; |
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} |
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/** |
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* Handles cancellation requests for a subscription |
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* |
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* @access public |
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* @since 1.0.0 |
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* @return void |
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*/ |
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public function wpinv_process_cancellation( $data ) { |
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if( empty( $data['sub_id'] ) ) { |
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return; |
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} |
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if( ! is_user_logged_in() ) { |
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return; |
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} |
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if( ! wp_verify_nonce( $data['_wpnonce'], 'wpinv-recurring-cancel' ) ) { |
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wp_die( __( 'Error', 'invoicing' ), __( 'Nonce verification failed', 'invoicing' ), array( 'response' => 403 ) ); |
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} |
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$data['sub_id'] = absint( $data['sub_id'] ); |
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$subscription = new WPInv_Subscription( $data['sub_id'] ); |
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if( ! $subscription->can_cancel() ) { |
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wp_die( __( 'Error', 'invoicing' ), __( 'This subscription cannot be cancelled', 'invoicing' ), array( 'response' => 403 ) ); |
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} |
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try { |
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do_action( 'wpinv_recurring_cancel_' . $subscription->gateway . '_subscription', $subscription, true ); |
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$subscription->cancel(); |
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if( is_admin() ) { |
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wp_redirect( admin_url( 'admin.php?page=wpinv-subscriptions&wpinv-message=cancelled&id=' . $subscription->id ) ); |
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exit; |
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} else { |
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$redirect = remove_query_arg( array( '_wpnonce', 'wpinv_action', 'sub_id' ), add_query_arg( array( 'wpinv-message' => 'cancelled' ) ) ); |
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$redirect = apply_filters( 'wpinv_recurring_cancellation_redirect', $redirect, $subscription ); |
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wp_safe_redirect( $redirect ); |
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exit; |
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} |
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} catch ( Exception $e ) { |
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wp_die( __( 'Error', 'invoicing' ), $e->getMessage(), array( 'response' => 403 ) ); |
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} |
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} |
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/** |
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* Creates a subscription on checkout |
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* |
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* @access public |
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* @param WPInv_Invoice $invoice |
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* @since 1.0.0 |
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* @return void |
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*/ |
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public function add_subscription( $invoice ) { |
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$invoice = new WPInv_Invoice( $invoice ); |
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// Abort if it is not recurring. |
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if ( ! $invoice->is_recurring() || $invoice->is_renewal() ) { |
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return; |
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} |
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289
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// Should we create a subscription for the invoice? |
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if ( apply_filters( 'wpinv_skip_invoice_subscription_creation', false, $invoice ) ) { |
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return; |
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} |
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294
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// Get the recurring item. |
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$subscription_item = $invoice->get_recurring( true ); |
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297
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// Prepare the subscription details. |
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298
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$period = $subscription_item->get_recurring_period( true ); |
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$interval = $subscription_item->get_recurring_interval(); |
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$add_period = $interval . ' ' . $period; |
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301
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$trial_period = ''; |
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302
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if ( $invoice->has_free_trial() ) { |
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304
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if ( $subscription_item->has_free_trial() ) { |
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$trial_period = $subscription_item->get_trial_period( true ); |
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307
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$free_interval = $subscription_item->get_trial_interval(); |
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} else { |
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309
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$trial_period = $period; |
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310
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$free_interval = $interval; |
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311
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} |
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312
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313
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$trial_period = $free_interval . ' ' . $trial_period; |
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314
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$add_period = $trial_period; |
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315
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316
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} |
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317
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318
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// Calculate the next renewal date. |
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319
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$expiration = date( 'Y-m-d H:i:s', strtotime( "+ $add_period", current_time( 'timestamp' ) ) ); |
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320
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321
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// Subscription arguments. |
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322
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$args = array( |
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323
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'product_id' => $subscription_item->get_id(), |
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324
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'customer_id' => $invoice->get_user_id(), |
|
325
|
|
|
'parent_payment_id' => $invoice->get_id(), |
|
326
|
|
|
'status' => $invoice->has_free_trial() ? 'trialling' : 'pending', |
|
327
|
|
|
'frequency' => $interval, |
|
328
|
|
|
'period' => $period, |
|
329
|
|
|
'initial_amount' => $invoice->get_initial_total(), |
|
330
|
|
|
'recurring_amount' => $invoice->get_recurring_total(), |
|
331
|
|
|
'bill_times' => $subscription_item->get_recurring_limit(), |
|
332
|
|
|
'created' => current_time( 'mysql' ), |
|
333
|
|
|
'expiration' => $expiration, |
|
334
|
|
|
'trial_period' => $trial_period, |
|
335
|
|
|
'profile_id' => '', |
|
336
|
|
|
'transaction_id' => '', |
|
337
|
|
|
); |
|
338
|
|
|
|
|
339
|
|
|
// Create or update the subscription. |
|
340
|
|
|
$subscription = wpinv_get_subscription( $invoice ); |
|
341
|
|
|
|
|
342
|
|
|
if ( empty( $subscription ) ) { |
|
343
|
|
|
|
|
344
|
|
|
$subscription = new WPInv_Subscription(); |
|
345
|
|
|
$subscription->create( $args ); |
|
346
|
|
|
|
|
347
|
|
|
} else { |
|
348
|
|
|
|
|
349
|
|
|
|
|
350
|
|
|
unset( $args['transaction_id'] ); |
|
351
|
|
|
unset( $args['profile_id'] ); |
|
352
|
|
|
$subscription->update( $args ); |
|
353
|
|
|
|
|
354
|
|
|
} |
|
355
|
|
|
|
|
356
|
|
|
return $subscription; |
|
|
|
|
|
|
357
|
|
|
} |
|
358
|
|
|
|
|
359
|
|
|
/** |
|
360
|
|
|
* Fired when an admin updates a subscription via the single subscription single page. |
|
361
|
|
|
* |
|
362
|
|
|
* @param array $data |
|
363
|
|
|
* @since 1.0.19 |
|
364
|
|
|
*/ |
|
365
|
|
|
public function admin_update_single_subscription( $args ) { |
|
366
|
|
|
|
|
367
|
|
|
// Ensure the subscription exists and that a status has been given. |
|
368
|
|
|
if ( empty( $args['subscription_id'] ) || empty( $args['subscription_status'] ) ) { |
|
369
|
|
|
return; |
|
370
|
|
|
} |
|
371
|
|
|
|
|
372
|
|
|
// Retrieve the subscriptions. |
|
373
|
|
|
$subscription = new WPInv_Subscription( $args['subscription_id'] ); |
|
374
|
|
|
|
|
375
|
|
|
if ( $subscription->get_id() ) { |
|
376
|
|
|
|
|
377
|
|
|
$subscription->set_status( $args['subscription_status'] ); |
|
378
|
|
|
$subscription->save(); |
|
379
|
|
|
getpaid_admin()->show_info( __( 'Your changes have been saved', 'invoicing' ) ); |
|
380
|
|
|
|
|
381
|
|
|
} |
|
382
|
|
|
|
|
383
|
|
|
} |
|
384
|
|
|
|
|
385
|
|
|
/** |
|
386
|
|
|
* Fired when an admin manually renews a subscription. |
|
387
|
|
|
* |
|
388
|
|
|
* @param array $data |
|
389
|
|
|
* @since 1.0.19 |
|
390
|
|
|
*/ |
|
391
|
|
|
public function admin_renew_single_subscription( $args ) { |
|
392
|
|
|
|
|
393
|
|
|
// Ensure the subscription exists and that a status has been given. |
|
394
|
|
|
if ( empty( $args['id'] ) ) { |
|
395
|
|
|
return; |
|
396
|
|
|
} |
|
397
|
|
|
|
|
398
|
|
|
// Retrieve the subscriptions. |
|
399
|
|
|
$subscription = new WPInv_Subscription( $args['id'] ); |
|
400
|
|
|
|
|
401
|
|
|
if ( $subscription->get_id() ) { |
|
402
|
|
|
|
|
403
|
|
|
$args = array( 'transaction_id', $subscription->get_parent_invoice()->generate_key( 'renewal_' ) ); |
|
404
|
|
|
|
|
405
|
|
|
if ( $subscription->add_payment( $args ) ) { |
|
406
|
|
|
$subscription->renew(); |
|
407
|
|
|
getpaid_admin()->show_info( __( 'This subscription has been renewed and extended.', 'invoicing' ) ); |
|
408
|
|
|
} else { |
|
409
|
|
|
getpaid_admin()->show_error( __( 'We are unable to renew this subscription as the parent invoice does not exist.', 'invoicing' ) ); |
|
410
|
|
|
} |
|
411
|
|
|
|
|
412
|
|
|
wp_safe_redirect( |
|
413
|
|
|
add_query_arg( |
|
414
|
|
|
array( |
|
415
|
|
|
'getpaid-admin-action' => false, |
|
416
|
|
|
'getpaid-nonce' => false, |
|
417
|
|
|
) |
|
418
|
|
|
) |
|
419
|
|
|
); |
|
420
|
|
|
exit; |
|
|
|
|
|
|
421
|
|
|
|
|
422
|
|
|
} |
|
423
|
|
|
|
|
424
|
|
|
} |
|
425
|
|
|
|
|
426
|
|
|
} |
|
427
|
|
|
|
AyeCode /
invoicing
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.