<?php
// phpcs:ignoreFile
/**
* Facebook for WooCommerce.
*/
namespace WooCommerce\Facebook\Framework;
use WC_Logger;
use WooCommerce\Facebook\Framework\Plugin\Compatibility;
use WooCommerce\Facebook\Framework\Plugin\Dependencies;
defined( 'ABSPATH' ) or exit;
/**
* # WooCommerce Plugin Framework
*
* This framework class provides a base level of configurable and overrideable
* functionality and features suitable for the implementation of a WooCommerce
* plugin. This class handles all the "non-feature" support tasks such
* as verifying dependencies are met, loading the text domain, etc.
*
* @version 5.8.0
*/
abstract class Plugin {
/** @var object single instance of plugin */
protected static $instance;
/** @var string plugin id */
private $id;
/** @var string version number */
private $version;
/** @var string plugin path, without trailing slash */
private $plugin_path;
/** @var string plugin URL */
private $plugin_url;
/** @var string template path, without trailing slash */
private $template_path;
/** @var WC_Logger instance */
private $logger;
/** @var AdminMessageHandler instance */
private $message_handler;
/** @var string the plugin text domain */
private $text_domain;
/** @var array memoized list of active plugins */
private $active_plugins = [];
/** @var int|float minimum supported WooCommerce versions before the latest (units for major releases, decimals for minor) */
private $min_wc_semver;
/** @var Dependencies dependency handler instance */
private $dependency_handler;
/** @var \WooCommerce\Facebook\Lifecycle lifecycle handler instance */
protected $lifecycle_handler;
/** @var AdminNoticeHandler the admin notice handler class */
private $admin_notice_handler;
/**
* Initialize the plugin.
*
* Child plugin classes may add their own optional arguments.
*
* @since 2.0.0
*
* @param string $id plugin id
* @param string $version plugin version number
* @param array $args {
* optional plugin arguments
*
* @type int|float $latest_wc_versions the last supported versions of WooCommerce, as a major.minor float relative to the latest available version
* @type string $text_domain the plugin textdomain, used to set up translations
* @type array $dependencies {
* PHP extension, function, and settings dependencies
*
* @type array $php_extensions PHP extension dependencies
* @type array $php_functions PHP function dependencies
* @type array $php_settings PHP settings dependencies
* }
* }
*/
public function __construct( $id, $version, $args = [] ) {
// required params
$this->id = $id;
$this->version = $version;
$args = wp_parse_args( $args, [
'min_wc_semver' => 0.2, // by default, 2 minor versions behind the latest published are supported
'text_domain' => '',
'dependencies' => [],
] );
$this->min_wc_semver = is_numeric( $args['min_wc_semver'] ) ? abs( $args['min_wc_semver'] ) : null;
$this->text_domain = $args['text_domain'];
// initialize the dependencies manager
$this->init_dependencies( $args['dependencies'] );
// build the admin message handler instance
$this->init_admin_message_handler();
// build the admin notice handler instance
$this->init_admin_notice_handler();
// build the lifecycle handler instance
$this->init_lifecycle_handler();
// add the action & filter hooks
$this->add_hooks();
}
/** Init methods **********************************************************/
/**
* Initializes the plugin dependency handler.
*
* @since 5.2.0
*
* @param array $dependencies {
* PHP extension, function, and settings dependencies
*
* @type array $php_extensions PHP extension dependencies
* @type array $php_functions PHP function dependencies
* @type array $php_settings PHP settings dependencies
* }
*/
protected function init_dependencies( $dependencies ) {
$this->dependency_handler = new Dependencies( $this, $dependencies );
}
/**
* Builds the admin message handler instance.
*
* Plugins can override this with their own handler.
*
* @since 5.2.0
*/
protected function init_admin_message_handler() {
$this->message_handler = new AdminMessageHandler( $this->get_id() );
}
/**
* Builds the admin notice handler instance.
*
* Plugins can override this with their own handler.
*
* @since 5.2.0
*/
protected function init_admin_notice_handler() {
$this->admin_notice_handler = new AdminNoticeHandler( $this );
}
/**
* Builds the lifecycle handler instance.
*
* Plugins can override this with their own handler to perform install and
* upgrade routines.
*/
protected function init_lifecycle_handler() {
$this->lifecycle_handler = new \WooCommerce\Facebook\Lifecycle( $this );
}
/**
* Adds the action & filter hooks.
*
* @since 5.2.0
*/
private function add_hooks() {
// hook for translations separately to ensure they're loaded
add_action( 'init', array( $this, 'load_translations' ) );
// add the admin notices
add_action( 'admin_notices', array( $this, 'add_admin_notices' ) );
// add a 'Configure' link to the plugin action links
add_filter( 'plugin_action_links_' . plugin_basename( $this->get_plugin_file() ), array( $this, 'plugin_action_links' ) );
// automatically log HTTP requests from SV_WC_API_Base
$this->add_api_request_logging();
// add any PHP incompatibilities to the system status report
add_filter( 'woocommerce_system_status_environment_rows', array( $this, 'add_system_status_php_information' ) );
}
/**
* Cloning instances is forbidden due to singleton pattern.
*
* @since 3.1.0
*/
public function __clone() {
/* translators: Placeholders: %s - plugin name */
_doing_it_wrong( __FUNCTION__, sprintf( esc_html__( 'You cannot clone instances of %s.', 'facebook-for-woocommerce' ), esc_html( $this->get_plugin_name() ) ), '3.1.0' );
}
/**
* Unserializing instances is forbidden due to singleton pattern.
*
* @since 3.1.0
*/
public function __wakeup() {
/* translators: Placeholders: %s - plugin name */
_doing_it_wrong( __FUNCTION__, sprintf( esc_html__( 'You cannot unserialize instances of %s.', 'facebook-for-woocommerce' ), esc_html( $this->get_plugin_name() ) ), '3.1.0' );
}
/**
* Load plugin & framework text domains.
*
* @internal
*
* @since 4.2.0
*/
public function load_translations() {
$this->load_framework_textdomain();
// if this plugin passes along its text domain, load its translation files
if ( $this->text_domain ) {
$this->load_plugin_textdomain();
}
}
/**
* Loads the framework textdomain.
*
* @since 4.5.0
*/
protected function load_framework_textdomain() {
$this->load_textdomain( 'facebook-for-woocommerce', dirname( plugin_basename( $this->get_framework_file() ) ) );
}
/**
* Loads the plugin textdomain.
*
* @since 4.5.0
*/
protected function load_plugin_textdomain() {
$this->load_textdomain( $this->text_domain, dirname( plugin_basename( $this->get_plugin_file() ) ) );
}
/**
* Loads the plugin textdomain.
*
* @since 4.5.0
* @param string $textdomain the plugin textdomain
* @param string $path the i18n path
*/
protected function load_textdomain( $textdomain, $path ) {
// user's locale if in the admin for WP 4.7+, or the site locale otherwise
$locale = is_admin() && is_callable( 'get_user_locale' ) ? get_user_locale() : get_locale();
$locale = apply_filters( 'plugin_locale', $locale, $textdomain );
load_textdomain( $textdomain, WP_LANG_DIR . '/' . $textdomain . '/' . $textdomain . '-' . $locale . '.mo' );
load_plugin_textdomain( $textdomain, false, untrailingslashit( $path ) . '/i18n/languages' );
}
/**
* Returns true if on the admin plugin settings page, if any
*
* @since 2.0.0
* @return boolean true if on the admin plugin settings page
*/
public function is_plugin_settings() {
// optional method, not all plugins *have* a settings page
return false;
}
/**
* Adds admin notices upon initialization.
*
* This may also produce notices if running an unsupported version of WooCommerce.
*
* @since 3.0.0
*/
public function add_admin_notices() {
// bail if there's no defined versions to compare
if ( empty( $this->min_wc_semver ) || ! is_numeric( $this->min_wc_semver ) ) {
return;
}
$latest_wc_versions = Compatibility::get_latest_wc_versions();
$current_wc_version = Compatibility::get_wc_version();
// bail if the latest WooCommerce version or the current WooCommerce versions can't be determined
if ( empty( $latest_wc_versions ) || empty( $current_wc_version ) ) {
return;
}
// grab latest published version
$supported_wc_version = $latest_wc_version = current( $latest_wc_versions );
// grab semver parts
$latest_semver = explode( '.', $latest_wc_version );
$supported_semver = explode( '.', (string) $this->min_wc_semver );
$supported_major = max( 0, (int) $latest_semver[0] - (int) $supported_semver[0] );
$supported_minor = isset( $supported_semver[1] ) ? (int) $supported_semver[1] : 0;
$previous_minor = null;
// loop known WooCommerce versions from the most recent until we get the oldest supported one
foreach ( $latest_wc_versions as $older_wc_version ) {
// as we loop through versions, the latest one before we break the loop will be the minimum supported one
$supported_wc_version = $older_wc_version;
$older_semver = explode( '.', $older_wc_version );
$older_major = (int) $older_semver[0];
$older_minor = isset( $older_semver[1] ) ? (int) $older_semver[1] : 0;
// if major is ignored, skip; if the minor hasn't changed (patch must be), skip
if ( $older_major > $supported_major || $older_minor === $previous_minor ) {
continue;
}
// we reached the maximum number of supported minor versions
if ( $supported_minor <= 0 ) {
break;
}
// store the previous minor while we loop patch versions, which we ignore
$previous_minor = $older_minor;
$supported_minor--;
}
// for strict comparison, we strip the patch version from the determined versions and compare only major, minor versions, ignoring patches (i.e. 1.2.3 becomes 1.2)
$current_wc_version = substr( $current_wc_version, 0, strpos( $current_wc_version, '.', strpos( $current_wc_version, '.' ) + 1 ) );
$supported_wc_version = substr( $supported_wc_version, 0, strpos( $supported_wc_version, '.', strpos( $supported_wc_version, '.' ) + 1 ) );
$compared_wc_version = $current_wc_version && $supported_wc_version ? version_compare( $current_wc_version, $supported_wc_version ) : null;
// installed version is at more than 2 minor versions ($min_wc_semver value) behind the last published version
if ( -1 === $compared_wc_version ) {
$this->get_admin_notice_handler()->add_admin_notice(
sprintf(
/* translators: Placeholders: %1$s - plugin name, %2$s - WooCommerce version number, %3$s - opening <a> HTML link tag, %4$s - closing </a> HTML link tag */
__( 'Heads up! %1$s will soon discontinue support for WooCommerce %2$s. Please %3$supdate WooCommerce%4$s to take advantage of the latest updates and features.', 'facebook-for-woocommerce' ),
$this->get_plugin_name(),
$current_wc_version,
'<a href="' . esc_url( admin_url( 'update-core.php' ) ) .'">', '</a>'
),
$this->get_id_dasherized() . '-deprecated-wc-version-as-of-' . str_replace( '.', '-', $supported_wc_version ),
[ 'notice_class' => 'notice-info' ]
);
}
}
/**
* Return the plugin action links. This will only be called if the plugin
* is active.
*
* @since 2.0.0
* @param array $actions associative array of action names to anchor tags
* @return array associative array of plugin action links
*/
public function plugin_action_links( $actions ) {
$custom_actions = [];
// settings url(s)
if ( $this->get_settings_link( $this->get_id() ) ) {
$custom_actions['configure'] = $this->get_settings_link( $this->get_id() );
}
// documentation url if any
if ( $this->get_documentation_url() ) {
/* translators: Docs as in Documentation */
$custom_actions['docs'] = sprintf( '<a href="%s" target="_blank">%s</a>', $this->get_documentation_url(), esc_html__( 'Docs', 'facebook-for-woocommerce' ) );
}
// support url if any
if ( $this->get_support_url() ) {
$custom_actions['support'] = sprintf( '<a href="%s">%s</a>', $this->get_support_url(), esc_html_x( 'Support', 'noun', 'facebook-for-woocommerce' ) );
}
// review url if any
if ( $this->get_reviews_url() ) {
$custom_actions['review'] = sprintf( '<a href="%s">%s</a>', $this->get_reviews_url(), esc_html_x( 'Review', 'verb', 'facebook-for-woocommerce' ) );
}
// add the links to the front of the actions list
return array_merge( $custom_actions, $actions );
}
/**
* Automatically log API requests/responses when using SV_WC_API_Base
*
* @since 2.2.0
* @see Base::broadcast_request()
*/
public function add_api_request_logging() {
if ( ! has_action( 'wc_' . $this->get_id() . '_api_request_performed' ) ) {
add_action( 'wc_' . $this->get_id() . '_api_request_performed', array( $this, 'log_api_request' ), 10, 2 );
}
}
/**
* Log API requests/responses
*
* @since 2.2.0
* @param array $request request data, see SV_WC_API_Base::broadcast_request() for format
* @param array $response response data
* @param string|null $log_id log to write data to
*/
public function log_api_request( $request, $response, $log_id = null ) {
$this->log( "Request\n" . $this->get_api_log_message( $request ), $log_id );
if ( ! empty( $response ) ) {
$this->log( "Response\n" . $this->get_api_log_message( $response ), $log_id );
}
}
/**
* Transform the API request/response data into a string suitable for logging
*
* @since 2.2.0
* @param array $data
* @return string
*/
public function get_api_log_message( $data ) {
$messages = [];
$messages[] = isset( $data['uri'] ) && $data['uri'] ? 'Request' : 'Response';
foreach ( (array) $data as $key => $value ) {
$messages[] = trim( sprintf( '%s: %s', $key, is_array( $value ) || ( is_object( $value ) && 'stdClass' == get_class( $value ) ) ? print_r( (array) $value, true ) : $value ) );
}
return implode( "\n", $messages ) . "\n";
}
/**
* Adds any PHP incompatibilities to the system status report.
*
* @since 4.5.0
*
* @param array $rows WooCommerce system status rows
* @return array
*/
public function add_system_status_php_information( $rows ) {
foreach ( $this->get_dependency_handler()->get_incompatible_php_settings() as $setting => $values ) {
if ( isset( $values['type'] ) && 'min' === $values['type'] ) {
// if this setting already has a higher minimum from another plugin, skip it
if ( isset( $rows[ $setting ]['expected'] ) && $values['expected'] < $rows[ $setting ]['expected'] ) {
continue;
}
/* translators: System Requirement %1$s - Actual value; %2$s - required value. */
$note = __( '%1$s - A minimum of %2$s is required.', 'facebook-for-woocommerce' );
} else {
// if this requirement is already listed, skip it
if ( isset( $rows[ $setting ] ) ) {
continue;
}
/* translators: System Requirement %1$s - Actual value; %2$s - required value. */
$note = __( 'Set as %1$s - %2$s is required.', 'facebook-for-woocommerce' );
}
$note = sprintf( $note, $values['actual'], $values['expected'] );
$rows[ $setting ] = array(
'name' => $setting,
'note' => $note,
'success' => false,
'expected' => $values['expected'], // WC doesn't use this, but it's useful for us
);
}
return $rows;
}
/**
* Saves errors or messages to WooCommerce Log (woocommerce/logs/plugin-id-xxx.txt)
*
* @since 2.0.0
* @param string $message error or message to save to log
* @param string $log_id optional log id to segment the files by, defaults to plugin id
*/
public function log( $message, $log_id = null ) {
if ( is_null( $log_id ) ) {
$log_id = $this->get_id();
}
if ( ! is_object( $this->logger ) ) {
$this->logger = new \WC_Logger();
}
$this->logger->add( $log_id, $message );
}
/** Getter methods ******************************************************/
/**
* Gets the main plugin file.
*
* @since 5.0.0
*
* @return string
*/
public function get_plugin_file() {
$slug = dirname( plugin_basename( $this->get_file() ) );
return trailingslashit( $slug ) . $slug . '.php';
}
/**
* The implementation for this abstract method should simply be:
*
* return __FILE__;
*
* @since 2.0.0
* @return string the full path and filename of the plugin file
*/
abstract protected function get_file();
/**
* Returns the plugin id
*
* @since 2.0.0
* @return string plugin id
*/
public function get_id() {
return $this->id;
}
/**
* Returns the plugin id with dashes in place of underscores, and
* appropriate for use in frontend element names, classes and ids
*
* @since 2.0.0
* @return string plugin id with dashes in place of underscores
*/
public function get_id_dasherized() {
return str_replace( '_', '-', $this->get_id() );
}
/**
* Returns the plugin full name including "WooCommerce", ie
* "WooCommerce X". This method is defined abstract for localization purposes
*
* @since 2.0.0
* @return string plugin name
*/
abstract public function get_plugin_name();
/**
* Gets the dependency handler.
*
* @since 5.2.0.1
*
* @return Dependencies
*/
public function get_dependency_handler() {
return $this->dependency_handler;
}
/**
* Gets the lifecycle handler instance.
*
* @since 5.1.0
*
* @return \WooCommerce\Facebook\Lifecycle
*/
public function get_lifecycle_handler() {
return $this->lifecycle_handler;
}
/**
* Gets the admin message handler.
*
* @return AdminMessageHandler
*/
public function get_message_handler() {
return $this->message_handler;
}
/**
* Gets the admin notice handler instance.
*
* @since 3.0.0
*
* @return AdminNoticeHandler
*/
public function get_admin_notice_handler() {
return $this->admin_notice_handler;
}
/**
* Returns the plugin version name. Defaults to wc_{plugin id}_version
*
* @since 2.0.0
* @return string the plugin version name
*/
public function get_plugin_version_name() {
return 'wc_' . $this->get_id() . '_version';
}
/**
* Returns the current version of the plugin
*
* @since 2.0.0
* @return string plugin version
*/
public function get_version() {
return $this->version;
}
/**
* Returns the "Configure" plugin action link to go directly to the plugin
* settings page (if any)
*
* @since 2.0.0
* @see SV_WC_Plugin::get_settings_url()
* @param string $plugin_id optional plugin identifier. Note that this can be a
* sub-identifier for plugins with multiple parallel settings pages
* (ie a gateway that supports both credit cards and echecks)
* @return string plugin configure link
*/
public function get_settings_link( $plugin_id = null ) {
$settings_url = $this->get_settings_url( $plugin_id );
if ( $settings_url ) {
return sprintf( '<a href="%s">%s</a>', $settings_url, esc_html__( 'Configure', 'facebook-for-woocommerce' ) );
}
// no settings
return '';
}
/**
* Gets the plugin configuration URL
*
* @since 2.0.0
* @see SV_WC_Plugin::get_settings_link()
* @param string $plugin_id optional plugin identifier. Note that this can be a
* sub-identifier for plugins with multiple parallel settings pages
* (ie a gateway that supports both credit cards and echecks)
* @return string plugin settings URL
*/
public function get_settings_url( $plugin_id = null ) {
// stub method
return '';
}
/**
* Returns the admin configuration url for the admin general configuration page
*
* @since 3.0.0
* @return string admin configuration url for the admin general configuration page
*/
public function get_general_configuration_url() {
return admin_url( 'admin.php?page=wc-settings&tab=general' );
}
/**
* Gets the plugin documentation url, used for the 'Docs' plugin action
*
* @since 2.0.0
* @return string documentation URL
*/
public function get_documentation_url() {
return null;
}
/**
* Gets the support URL, used for the 'Support' plugin action link
*
* @since 4.0.0
* @return string support url
*/
public function get_support_url() {
return null;
}
/**
* Gets the plugin sales page URL.
*
* @since 5.1.0
*
* @return string
*/
public function get_sales_page_url() {
return '';
}
/**
* Gets the plugin reviews page URL.
*
* Used for the 'Reviews' plugin action and review prompts.
*
* @since 5.1.0
*
* @return string
*/
public function get_reviews_url() {
return $this->get_sales_page_url() ? $this->get_sales_page_url() . '#comments' : '';
}
/**
* Gets the plugin's path without a trailing slash.
*
* e.g. /path/to/wp-content/plugins/plugin-directory
*
* @since 2.0.0
*
* @return string
*/
public function get_plugin_path() {
if ( null === $this->plugin_path ) {
$this->plugin_path = untrailingslashit( plugin_dir_path( $this->get_file() ) );
}
return $this->plugin_path;
}
/**
* Gets the plugin's URL without a trailing slash.
*
* E.g. http://skyverge.com/wp-content/plugins/plugin-directory
*
* @since 2.0.0
*
* @return string
*/
public function get_plugin_url() {
if ( null === $this->plugin_url ) {
$this->plugin_url = untrailingslashit( plugins_url( '/', $this->get_file() ) );
}
return $this->plugin_url;
}
/**
* Returns the loaded framework __FILE__
*
* @since 4.0.0
* @return string
*/
public function get_framework_file() {
return __FILE__;
}
/**
* Gets the loaded framework path, without trailing slash.
*
* This matches the path to the highest version of the framework currently loaded.
*
* @since 4.0.0
* @return string
*/
public function get_framework_path() {
return untrailingslashit( plugin_dir_path( $this->get_framework_file() ) );
}
/**
* Gets the absolute path to the loaded framework image directory, without a trailing slash.
*
* @since 4.0.0
*
* @return string
*/
public function get_framework_assets_path() {
return $this->get_framework_path() . '/assets';
}
/**
* Gets the loaded framework assets URL without a trailing slash.
*
* @since 4.0.0
*
* @return string
*/
public function get_framework_assets_url() {
return untrailingslashit( plugins_url( '/assets', $this->get_framework_file() ) );
}
/**
* Determines whether a plugin is active.
*
* @since 2.0.0
*
* @param string $plugin_name plugin name, as the plugin-filename.php
* @return boolean true if the named plugin is installed and active
*/
public function is_plugin_active( $plugin_name ) {
$is_active = false;
if ( is_string( $plugin_name ) ) {
if ( ! array_key_exists( $plugin_name, $this->active_plugins ) ) {
$active_plugins = (array) get_option( 'active_plugins', [] );
if ( is_multisite() ) {
$active_plugins = array_merge( $active_plugins, array_keys( get_site_option( 'active_sitewide_plugins', [] ) ) );
}
$plugin_filenames = [];
foreach ( $active_plugins as $plugin ) {
if ( Helper::str_exists( $plugin, '/' ) ) {
// normal plugin name (plugin-dir/plugin-filename.php)
list( , $filename ) = explode( '/', $plugin );
} else {
// no directory, just plugin file
$filename = $plugin;
}
$plugin_filenames[] = $filename;
}
$this->active_plugins[ $plugin_name ] = in_array( $plugin_name, $plugin_filenames, true );
}
$is_active = (bool) $this->active_plugins[ $plugin_name ];
}
return $is_active;
}
}