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<?php |
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/** |
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* Handles registering and storing feature instances |
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* |
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* @since 2.1 |
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* @package elasticpress |
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*/ |
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|
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namespace ElasticPress; |
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|
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use ElasticPress\Utils; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly. |
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} |
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|
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/** |
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* Class for storing and managing features |
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*/ |
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class Features { |
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|
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/** |
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* Stores all features that have been properly included (both active and inactive) |
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* |
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* @since 2.1 |
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* @var array |
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*/ |
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public $registered_features = []; |
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|
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/** |
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* Initiate class actions |
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* |
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* @since 2.1 |
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*/ |
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public function setup() { |
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// hooks order matters, make sure feature activation goes before features setup |
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add_action( 'init', array( $this, 'handle_feature_activation' ), 0 ); |
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add_action( 'init', array( $this, 'setup_features' ), 0 ); |
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} |
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|
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/** |
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* Activate a feature |
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* |
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* @param string $slug Feature slug |
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* @param string $target Whether to update a feature settings' draft or current |
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* @since 2.2, 5.0.0 added $target |
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*/ |
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public function activate_feature( $slug, $target = 'current' ) { |
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$this->update_feature( $slug, array( 'active' => true ), true, $target ); |
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} |
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|
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/** |
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* Deactivate a feature |
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* |
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* @param string $slug Feature slug |
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* @param bool $force Whether to force deactivation |
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* @since 2.2 |
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*/ |
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public function deactivate_feature( $slug, $force = true ) { |
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$this->update_feature( $slug, array( 'active' => false ), $force ); |
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} |
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|
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/** |
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* Registers a feature for use in ElasticPress |
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* |
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* @param Feature $feature An instance of the Feature class |
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* @since 3.0 |
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* @return boolean |
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*/ |
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public function register_feature( Feature $feature ) { |
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$this->registered_features[ $feature->slug ] = $feature; |
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return true; |
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} |
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|
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/** |
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* Easy access function to get a Feature object from a slug |
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* |
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* @param string $slug Feature slug |
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* @since 2.1 |
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* @return Feature |
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*/ |
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public function get_registered_feature( $slug ) { |
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if ( empty( $this->registered_features[ $slug ] ) ) { |
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return false; |
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} |
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|
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return $this->registered_features[ $slug ]; |
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} |
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|
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/** |
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* Activate or deactivate a feature |
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* |
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* @param string $slug Feature slug |
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* @param array $settings Array of settings |
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* @param bool $force Whether to force activate/deactivate |
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* @param string $target Whether to update a feature settings' draft or current. Changing current will also save the draft. |
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* @since 2.2, 5.0.0 added $target |
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* @return array|bool |
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*/ |
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public function update_feature( $slug, $settings, $force = true, $target = 'current' ) { |
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/** |
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* Get the feature being saved. |
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*/ |
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$feature = $this->get_registered_feature( $slug ); |
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|
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if ( empty( $feature ) ) { |
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return false; |
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} |
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|
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/** |
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* Get whether the feature was already active, and the value of the |
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* setting that requires a reindex, if it exists. |
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*/ |
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$was_active = $feature->is_active(); |
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$setting_was = $feature->get_reindex_setting(); |
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|
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/** |
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* Prepare settings |
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*/ |
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$saved_settings = 'draft' === $target ? $this->get_feature_settings_draft() : $this->get_feature_settings(); |
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$feature_settings = isset( $saved_settings[ $slug ] ) ? $saved_settings[ $slug ] : [ 'force_inactive' => false ]; |
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|
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$new_feature_settings = wp_parse_args( |
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$feature->default_settings, |
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[ |
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'active' => false, |
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'force_inactive' => false, |
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] |
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); |
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$new_feature_settings = wp_parse_args( $feature_settings, $new_feature_settings ); |
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$new_feature_settings = wp_parse_args( $settings, $new_feature_settings ); |
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|
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$new_feature_settings['active'] = (bool) $new_feature_settings['active']; |
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$new_feature_settings['force_inactive'] = $new_feature_settings['active'] ? false : (bool) $new_feature_settings['force_inactive']; |
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|
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/** |
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* Flag if the feature was deactivated by a forced update. |
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*/ |
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if ( $force && $was_active && ! $new_feature_settings['active'] ) { |
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$new_feature_settings['force_inactive'] = true; |
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} |
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|
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/** |
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* Save the settings. |
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*/ |
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$new_settings = wp_parse_args( [ $slug => $new_feature_settings ], $saved_settings ); |
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$new_settings = apply_filters( 'ep_sanitize_feature_settings', $new_settings, $feature ); |
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|
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Utils\update_option( 'ep_feature_settings_draft', $new_settings ); |
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|
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// This is as far as we go if saving just a draft |
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if ( 'draft' === $target ) { |
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return true; |
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} |
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|
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Utils\update_option( 'ep_feature_settings', $new_settings ); |
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|
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/** |
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* Prepare response. |
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*/ |
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$is_active = $new_settings[ $slug ]['active']; |
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|
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$data = array( |
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'active' => $is_active, |
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'reindex' => false, |
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'setting' => '', |
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); |
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|
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/** |
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* If the feature requires reindexing on activation, return whether |
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* reindexing is required. |
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*/ |
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if ( $is_active && ! $was_active ) { |
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if ( ! empty( $feature->requires_install_reindex ) ) { |
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$data['reindex'] = true; |
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} |
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|
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$feature->post_activation(); |
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} |
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|
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/** |
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* If the feature has a setting that requires reindexing, return |
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* whether reindexing is required and the new value of the setting. |
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*/ |
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$setting = $feature->setting_requires_install_reindex; |
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|
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if ( $setting ) { |
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$setting_is = ! empty( $new_settings[ $slug ][ $setting ] ) |
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? $new_settings[ $slug ][ $setting ] |
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: ''; |
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|
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$data['setting'] = $setting_is; |
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|
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/** |
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* If the setting has changed, a reindex is required. |
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*/ |
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if ( $is_active && $setting_is && $setting_is !== $setting_was ) { |
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$data['reindex'] = true; |
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} |
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} |
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|
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/** |
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* Fires after activating, inactivating, or just updating a feature. |
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* |
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* @hook ep_after_update_feature |
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* @param {string} $feature Feature slug |
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* @param {array} $settings Feature settings |
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* @param {array} $data Feature activation data |
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* |
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* @since 3.5.5 |
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*/ |
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do_action( |
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'ep_after_update_feature', |
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$slug, |
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$settings, |
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$data |
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); |
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|
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return $data; |
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} |
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|
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/** |
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* When plugins are adjusted, we need to determine how to activate/deactivate features |
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* |
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* @since 2.2 |
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*/ |
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public function handle_feature_activation() { |
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/** |
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* Save our current requirement statuses for later |
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*/ |
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|
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$old_requirement_statuses = Utils\get_option( 'ep_feature_requirement_statuses', false ); |
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|
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$new_requirement_statuses = []; |
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|
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foreach ( $this->registered_features as $slug => $feature ) { |
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$status = $feature->requirements_status(); |
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$new_requirement_statuses[ $slug ] = (int) $status->code; |
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} |
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|
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$is_wp_cli = defined( 'WP_CLI' ) && \WP_CLI; |
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|
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if ( $is_wp_cli || is_admin() ) { |
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Utils\update_option( 'ep_feature_requirement_statuses', $new_requirement_statuses ); |
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} |
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|
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/** |
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* If feature settings aren't created, let's create them and finish |
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*/ |
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|
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$feature_settings = Utils\get_option( 'ep_feature_settings', false ); |
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|
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if ( false === $feature_settings ) { |
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$registered_features = $this->registered_features; |
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|
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foreach ( $registered_features as $slug => $feature ) { |
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if ( 0 === $feature->requirements_status()->code ) { |
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$this->activate_feature( $slug ); |
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} |
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} |
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|
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/** |
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* Nothing else to do since we are doing initial activation |
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*/ |
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return; |
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} |
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|
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/** |
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* If a requirement status changes, we need to handle that by activating/deactivating/showing notification |
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*/ |
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|
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if ( ( ! $is_wp_cli && ! is_admin() ) || empty( $old_requirement_statuses ) ) { |
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return; |
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} |
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|
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foreach ( $new_requirement_statuses as $slug => $code ) { |
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$feature = $this->get_registered_feature( $slug ); |
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|
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// If a feature is forced inactive, do nothing |
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$feature_settings = $feature->get_settings(); |
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if ( is_array( $feature_settings ) && ! empty( $feature_settings['force_inactive'] ) ) { |
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continue; |
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} |
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|
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// By default we will activate the feature in the current settings. If it requires a sync, we'll only update the draft |
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$activate_feature_target = 'current'; |
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|
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// This is a new feature |
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if ( ! isset( $old_requirement_statuses[ $slug ] ) ) { |
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if ( 0 === $code ) { |
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if ( $feature->requires_install_reindex ) { |
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$activate_feature_target = 'draft'; |
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Utils\update_option( 'ep_feature_auto_activated_sync', sanitize_text_field( $slug ) ); |
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} |
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|
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$this->activate_feature( $slug, $activate_feature_target ); |
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} |
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} else { |
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// This feature has a 0 "ok" code when it did not before |
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if ( $old_requirement_statuses[ $slug ] !== $code && ( 0 === $code || 2 === $code ) ) { |
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$active = ( 0 === $code ); |
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|
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if ( ! $feature->is_active() && $active ) { |
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// Need to activate and maybe set a sync notice |
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if ( $feature->requires_install_reindex ) { |
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$activate_feature_target = 'draft'; |
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Utils\update_option( 'ep_feature_auto_activated_sync', sanitize_text_field( $slug ) ); |
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} |
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|
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$this->activate_feature( $slug, $activate_feature_target ); |
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} elseif ( $feature->is_active() && ! $active ) { |
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// Just deactivate, don't force |
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$this->deactivate_feature( $slug, false ); |
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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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/** |
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* Set up all active features |
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* |
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* @since 2.1 |
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*/ |
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public function setup_features() { |
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/** |
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* Fires before features are setup |
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* |
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* @hook ep_setup_features |
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* @since 2.1 |
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*/ |
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do_action( 'ep_setup_features' ); |
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|
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foreach ( $this->registered_features as $feature_slug => $feature ) { |
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if ( $feature->is_active() ) { |
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$feature->setup(); |
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} |
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} |
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} |
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|
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/** |
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* Return current features settings |
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* |
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* @since 5.0.0 |
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* @return false|array |
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*/ |
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public function get_feature_settings() { |
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return Utils\get_option( 'ep_feature_settings', false ); |
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} |
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|
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/** |
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* Get features settings draft |
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* |
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* @since 5.0.0 |
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* @return false|array |
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*/ |
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public function get_feature_settings_draft() { |
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return Utils\get_option( 'ep_feature_settings_draft', false ); |
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} |
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|
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/** |
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* Apply settings draft (if present) |
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* |
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* @since 5.0.0 |
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*/ |
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public function apply_draft_feature_settings() { |
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$draft_settings = Utils\get_option( 'ep_feature_settings_draft', false ); |
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if ( ! $draft_settings ) { |
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return; |
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} |
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|
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foreach ( $draft_settings as $feature => $settings ) { |
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$this->update_feature( $feature, $settings ); |
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} |
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$this->setup_features(); |
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|
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Utils\delete_option( 'ep_feature_settings_draft' ); |
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} |
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|
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/** |
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* Return singleton instance of class |
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* |
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* @return object |
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* @since 2.1 |
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*/ |
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public static function factory() { |
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static $instance = false; |
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|
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if ( ! $instance ) { |
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$instance = new self(); |
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$instance->setup(); |
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} |
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|
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return $instance; |
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} |
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} |
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|
