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<?php |
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/** |
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* The base Jetpack configuration class file. |
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* |
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* @package automattic/jetpack-config |
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*/ |
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namespace Automattic\Jetpack; |
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use Automattic\Jetpack\Connection\Manager; |
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use Automattic\Jetpack\Plugin\Tracking as Plugin_Tracking; |
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use Automattic\Jetpack\Sync\Main as Sync_Main; |
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use Automattic\Jetpack\Terms_Of_Service; |
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/** |
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* The configuration class. |
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*/ |
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class Config { |
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const FEATURE_ENSURED = 1; |
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const FEATURE_NOT_AVAILABLE = 0; |
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const FEATURE_ALREADY_ENSURED = -1; |
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/** |
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* The initial setting values. |
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* |
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* @var Array |
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*/ |
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protected $config = array( |
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'connection' => false, |
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'sync' => false, |
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'tracking' => false, |
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'tos' => false, |
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); |
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/** |
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* Creates the configuration class instance. |
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*/ |
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public function __construct() { |
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/** |
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* Adding the config handler to run on priority 2 because the class itself is |
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* being constructed on priority 1. |
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*/ |
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add_action( 'plugins_loaded', array( $this, 'on_plugins_loaded' ), 2 ); |
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} |
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/** |
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* Require a feature to be initialized. It's up to the package consumer to actually add |
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* the package to their composer project. Declaring a requirement using this method |
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* instructs the class to initalize it. |
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* |
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* @param String $feature the feature slug. |
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*/ |
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public function ensure( $feature ) { |
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$this->config[ $feature ] = true; |
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} |
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/** |
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* Runs on plugins_loaded hook priority with priority 2. |
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* |
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* @action plugins_loaded |
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*/ |
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public function on_plugins_loaded() { |
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if ( $this->config['connection'] ) { |
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$this->ensure_class( 'Automattic\Jetpack\Connection\Manager' ) |
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&& $this->ensure_feature( 'connection' ); |
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} |
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if ( $this->config['tracking'] ) { |
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$this->ensure_class( 'Automattic\Jetpack\Terms_Of_Service' ) |
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&& $this->ensure_class( 'Automattic\Jetpack\Tracking' ) |
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&& $this->ensure_feature( 'tracking' ); |
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} |
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if ( $this->config['sync'] ) { |
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$this->ensure_class( 'Automattic\Jetpack\Sync\Main' ) |
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&& $this->ensure_feature( 'sync' ); |
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} |
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} |
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/** |
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* Returns true if the required class is available and alerts the user if it's not available |
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* in case the site is in debug mode. |
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* |
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* @param String $classname a fully qualified class name. |
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* @return Boolean whether the class is available. |
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*/ |
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protected function ensure_class( $classname ) { |
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$available = class_exists( $classname ); |
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if ( ! $available && defined( 'WP_DEBUG' ) && WP_DEBUG ) { |
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trigger_error( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error |
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sprintf( |
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/* translators: %1$s is a PHP class name. */ |
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esc_html__( |
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'Unable to load class %1$s. Please add the package that contains it using composer and make sure you are requiring the Jetpack autoloader', |
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'jetpack' |
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), |
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esc_html( $classname ) |
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), |
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E_USER_NOTICE |
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); |
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} |
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return $available; |
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} |
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/** |
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* Ensures a feature is enabled, sets it up if it hasn't already been set up. |
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* |
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* @param String $feature slug of the feature. |
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* @return Integer either FEATURE_ENSURED, FEATURE_ALREADY_ENSURED or FEATURE_NOT_AVAILABLE constants. |
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*/ |
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protected function ensure_feature( $feature ) { |
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$method = 'enable_' . $feature; |
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if ( ! method_exists( $this, $method ) ) { |
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return self::FEATURE_NOT_AVAILABLE; |
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} |
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if ( did_action( 'jetpack_feature_' . $feature . '_enabled' ) ) { |
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return self::FEATURE_ALREADY_ENSURED; |
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} |
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$this->{ $method }(); |
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/** |
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* Fires when a specific Jetpack package feature is initalized using the Config package. |
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* |
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* @since 8.2.0 |
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*/ |
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do_action( 'jetpack_feature_' . $feature . '_enabled' ); |
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return self::FEATURE_ENSURED; |
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} |
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/** |
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* Dummy method to enable Terms of Service. |
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*/ |
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protected function enable_tos() { |
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return true; |
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} |
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/** |
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* Enables the tracking feature. Depends on the Terms of Service package, so enables it too. |
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*/ |
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protected function enable_tracking() { |
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// Enabling dependencies. |
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$this->ensure_feature( 'tos' ); |
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$terms_of_service = new Terms_Of_Service(); |
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$tracking = new Plugin_Tracking(); |
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if ( $terms_of_service->has_agreed() ) { |
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add_action( 'init', array( $tracking, 'init' ) ); |
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} else { |
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/** |
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* Initialize tracking right after the user agrees to the terms of service. |
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*/ |
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add_action( 'jetpack_agreed_to_terms_of_service', array( $tracking, 'init' ) ); |
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} |
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return true; |
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} |
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/** |
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* Enables the Sync feature. |
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*/ |
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protected function enable_sync() { |
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Sync_Main::configure(); |
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return true; |
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} |
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/** |
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* Enables the Connection feature. |
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*/ |
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protected function enable_connection() { |
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Manager::configure(); |
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return true; |
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} |
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} |
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Automattic /
jetpack
