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<?php |
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/** |
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* Registers and performs admin actions. |
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* |
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* @package Charitable/Classes/Charitable_Admin_Actions |
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* @author David Bisset |
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* @copyright Copyright (c) 2022, WP Charitable LLC |
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* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License |
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* @since 1.5.0 |
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* @version 1.6.0 |
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*/ |
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|
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// Exit if accessed directly. |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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if ( ! class_exists( 'Charitable_Admin_Actions' ) ) : |
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|
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/** |
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* Charitable_Admin_Actions |
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* |
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* @since 1.5.0 |
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*/ |
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abstract class Charitable_Admin_Actions implements Charitable_Admin_Actions_Interface { |
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|
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/** |
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* Registered actions. |
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* |
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* @since 1.5.0 |
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* |
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* @var array |
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*/ |
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private $actions; |
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|
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/** |
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* Registered groups. |
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* |
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* @since 1.5.0 |
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* |
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* @var array |
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*/ |
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private $groups; |
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|
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/** |
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* The result of the most recently executed action. |
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* |
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* @since 1.5.0 |
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* |
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* @var int |
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*/ |
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private $result_message; |
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|
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/** |
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* Create class object. |
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* |
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* @since 1.5.0 |
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*/ |
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public function __construct() { |
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$this->actions = array(); |
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$this->groups = array( |
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'' => array(), |
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); |
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} |
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|
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/** |
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* Return the array of actions. |
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* |
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* @since 1.5.0 |
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* |
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* @return array |
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*/ |
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public function get_actions() { |
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return $this->actions; |
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} |
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|
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/** |
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* Get available actions, given an object id and set of arguments. |
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* |
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* @since 1.5.0 |
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* |
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* @param int $object_id The object ID. This could be the ID of the donation, campaign, donor, etc. |
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* @param array $args Optional. Mixed set of arguments. |
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* @return array |
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*/ |
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public function get_available_actions( $object_id, $args = array() ) { |
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$actions = array(); |
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|
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foreach ( $this->actions as $action => $action_args ) { |
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if ( $this->is_action_available( $action_args, $object_id, $args ) ) { |
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$actions[ $action ] = $action_args; |
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} |
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} |
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|
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return $actions; |
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} |
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|
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/** |
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* Check if there are any available actions, given an object id and set of arguments. |
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* |
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* @since 1.5.0 |
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* |
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* @param int $object_id The object ID. This could be the ID of the donation, campaign, donor, etc. |
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* @param array $args Optional. Mixed set of arguments. |
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* @return boolean |
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*/ |
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public function has_available_actions( $object_id, $args = array() ) { |
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foreach ( $this->actions as $action => $action_args ) { |
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if ( $this->is_action_available( $action_args, $object_id, $args ) ) { |
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return true; |
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} |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Add action fields, if there are any. |
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* |
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* @since 1.6.0 |
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* |
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* @param int $object_id The current post ID. |
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* @param string $action_id The key of the action. |
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* @return void |
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*/ |
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public function add_action_fields( $object_id, $action_id ) { |
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if ( ! array_key_exists( $action_id, $this->actions ) ) { |
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return; |
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} |
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|
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$action = $this->actions[ $action_id ]; |
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|
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if ( ! array_key_exists( 'fields', $action ) || ! $action['fields'] ) { |
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return; |
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} |
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|
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ob_start(); |
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|
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call_user_func( $action['fields'], $object_id, $action ); |
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|
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$fields = ob_get_clean(); |
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|
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if ( ! $fields ) { |
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return; |
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} |
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|
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echo '<div class="charitable-action-fields" style="display: none;" data-type="' . esc_attr( $action_id ) . '">' . $fields . '</div>'; |
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} |
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|
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/** |
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* Checks whether an action is available. |
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* |
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* @since 1.5.0 |
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* |
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* @param array $action_args Action arguments. |
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* @param int $object_id The object ID. This could be the ID of the donation, campaign, donor, etc. |
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* @param array $args Optional. Mixed set of arguments. |
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* @return boolean |
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*/ |
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protected function is_action_available( $action_args, $object_id, $args = array() ) { |
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if ( ! array_key_exists( 'active_callback', $action_args ) ) { |
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return true; |
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} |
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|
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$args['action_args'] = $action_args; |
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|
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return call_user_func( $action_args['active_callback'], $object_id, $args ); |
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} |
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|
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/** |
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* Return the array of groups. |
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* |
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* @since 1.5.0 |
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* |
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* @return array |
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*/ |
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public function get_groups() { |
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return $this->groups; |
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} |
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|
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/** |
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* Returns all groups with at least one action available. |
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* |
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* @since 1.5.0 |
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* |
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* @param int $object_id The object ID. This could be the ID of the donation, campaign, donor, etc. |
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* @param array $args Optional. Mixed set of arguments. |
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* @return array |
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*/ |
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public function get_available_groups( $object_id, $args = array() ) { |
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$groups = array(); |
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|
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foreach ( $this->groups as $group => $actions ) { |
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foreach ( $actions as $action ) { |
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if ( $this->is_action_available( $this->actions[ $action ], $object_id, $args ) ) { |
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$groups[ $group ] = $actions; |
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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 $groups; |
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} |
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|
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/** |
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* Get the result message. |
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* |
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* @since 1.5.0 |
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* |
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* @param string $location The message location. |
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* @return string |
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*/ |
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public function show_result_message( $location ) { |
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return add_query_arg( 'message', $this->result_message, $location ); |
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} |
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|
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/** |
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* Register a new action. |
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* |
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* @since 1.5.0 |
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* |
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* @param string $action The action key. |
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* @param array $args { |
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* Array of arguments for the action. |
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* |
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* @type string $label The label to display in the admin. |
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* @type callable $callback A callback function to run when the action is processed. |
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* @type string $button_text Optional. The text to show in the button when this action is selected. |
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* @type callable $active_callback Optional. Any passed callback will receive a donation ID as its only parameter |
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* and should return a boolean result: TRUE if the action should be shown for |
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* the donation; FALSE if it should not. |
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* @type int $success_message Optional. Message to display when an action is successfully run. |
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* @type int $failure_message Optional. Message to display when an action fails to run. |
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* @type callable $fields Optional. Function returning additional fields or content to show when an action is selected. |
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* } |
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* @param string $group Optional. If set, action will be added to a group of other related actions, which will be |
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* shown as an optgroup. |
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* @return boolean True if the action was registerd. False if not. |
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*/ |
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public function register( $action, $args, $group = 'default' ) { |
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if ( $this->action_exists( $action ) ) { |
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return false; |
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} |
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|
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if ( ! $this->action_is_valid( $args ) ) { |
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return false; |
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} |
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|
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$this->groups[ $group ] = array_merge( $this->get_group_actions( $group ), array( $action ) ); |
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$this->actions[ $action ] = $this->sanitize_action_args( $args ); |
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|
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return true; |
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} |
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|
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/** |
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* Do a particular action. |
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* |
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* @since 1.5.0 |
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* |
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* @param string $action The action to do. |
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* @param int $object_id The object ID. This could be the ID of the donation, campaign, donor, etc. |
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* @param array $args Optional. Mixed set of arguments. |
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* @return boolean|WP_Error WP_Error in case of error. Mixed results if the action was performed. |
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*/ |
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public function do_action( $action, $object_id, $args = array() ) { |
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if ( ! $this->action_exists( $action ) ) { |
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/* translators: %s: action id */ |
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return new WP_Error( sprintf( __( 'Action "%s" is not registered.', 'charitable' ), $action ) ); |
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} |
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|
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$action_args = $this->actions[ $action ]; |
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|
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if ( ! $this->is_action_available( $action_args, $object_id, $args ) ) { |
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return false; |
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} |
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|
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$action_hook = sprintf( 'charitable_%s_admin_action_%s', $this->get_type(), $action ); |
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|
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/** |
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* Register the action's callback for the hook. |
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*/ |
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add_filter( $action_hook, $action_args['callback'], 10, 4 ); |
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|
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/** |
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* Do something for this action and return a boolean result. |
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* |
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* To find the hook for a particular action, you need to know the type of action (i.e. donation, campaign) |
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* and the action key. The hook is constructed like this: |
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* |
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* charitable_{type}_admin_action_{action key} |
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* |
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* @since 1.5.0 |
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* |
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* @param boolean $success Whether the action has been successfully completed. |
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* @param int $object_id The object ID. This could be the ID of the donation, campaign, donor, etc. |
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* @param array $args Optional. Mixed set of arguments. |
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* @param string $action The action we are executing. |
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*/ |
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$success = apply_filters( $action_hook, false, $object_id, $args, $action ); |
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|
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if ( $success && array_key_exists( 'success_message', $action_args ) ) { |
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$this->result_message = $action_args['success_message']; |
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} |
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|
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if ( ! $success && array_key_exists( 'failure_message', $action_args ) ) { |
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$this->result_message = $action_args['failure_message']; |
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} |
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|
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if ( isset( $this->result_message ) ) { |
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add_action( 'redirect_post_location', array( $this, 'show_result_message' ) ); |
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} |
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|
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return $success; |
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} |
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|
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/** |
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* Returns a link that will execute a particular action. |
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* |
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* @since 1.5.0 |
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* |
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* @param string $action The action to be executed. |
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* @param int $object_id The ID of the object we are executing this action for. |
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* @return string |
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*/ |
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public function get_action_link( $action, $object_id ) { |
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if ( ! $this->action_exists( $action ) ) { |
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return; |
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} |
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|
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return esc_url( |
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add_query_arg( |
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array( |
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'charitable_admin_action' => $action, |
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'action_type' => $this->get_type(), |
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'object_id' => $object_id, |
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'_nonce' => wp_create_nonce( 'donation_action' ), |
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) |
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) |
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); |
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} |
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|
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/** |
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* Checks whether a particular action has been registered. |
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* |
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* @since 1.5.0 |
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* |
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* @param string $action The action to check. |
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* @return boolean |
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*/ |
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public function action_exists( $action ) { |
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return array_key_exists( $action, $this->actions ); |
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} |
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|
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/** |
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* Checks whether an action is valid. |
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* |
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* @since 1.5.9 |
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* |
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* @param array $args The action args. |
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* @return boolean |
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*/ |
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protected function action_is_valid( $args ) { |
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return array_key_exists( 'label', $args ) && array_key_exists( 'callback', $args ); |
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} |
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|
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/** |
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* Return all of a group's registered actions. |
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* |
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* @since 1.5.9 |
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* |
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* @param string $group The group. |
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* @return array |
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*/ |
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protected function get_group_actions( $group ) { |
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return array_key_exists( $group, $this->groups ) ? $this->groups[ $group ] : array(); |
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} |
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|
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/** |
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* Sanitize an action args, ensuring that all args exist. |
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* |
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* @since 1.5.9 |
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* |
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* @param array $args The action args. |
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* @return array |
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*/ |
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protected function sanitize_action_args( $args ) { |
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$defaults = array( |
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'button_text' => __( 'Submit', 'charitable' ), |
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'fields' => false, |
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); |
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|
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return array_merge( $defaults, $args ); |
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} |
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} |
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|
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endif; |
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|