<?php
/**
* Comments feature
*
* @since 3.6.0
* @package elasticpress
*/
namespace ElasticPress\Feature\Comments;
use ElasticPress\Feature as Feature;
use ElasticPress\Indexables as Indexables;
use ElasticPress\Indexable as Indexable;
use ElasticPress\Features as Features;
use ElasticPress\FeatureRequirementsStatus as FeatureRequirementsStatus;
use ElasticPress\Utils;
/**
* Comments feature class
*/
class Comments extends Feature {
/**
* Initialize feature, setting it's config
*
* @since 3.6.0
*/
public function __construct() {
$this->slug = 'comments';
$this->title = esc_html__( 'Comments', 'elasticpress' );
$this->summary = __( 'Improve comment search relevancy and query performance.', 'elasticpress' );
$this->docs_url = __( 'https://elasticpress.zendesk.com/hc/en-us/articles/360050447492-Configuring-ElasticPress-via-the-Plugin-Dashboard#comments', 'elasticpress' );
$this->requires_install_reindex = true;
parent::__construct();
}
/**
* Setup search functionality
*
* @since 3.6.0
*/
public function setup() {
Indexables::factory()->register( new Indexable\Comment\Comment() );
add_action( 'init', [ $this, 'register_block' ] );
add_action( 'init', [ $this, 'search_setup' ] );
add_action( 'widgets_init', [ $this, 'register_widget' ] );
add_action( 'rest_api_init', [ $this, 'rest_api_init' ] );
add_action( 'wp_enqueue_scripts', [ $this, 'frontend_scripts' ] );
add_filter( 'widget_types_to_hide_from_legacy_widget_block', [ $this, 'hide_legacy_widget' ] );
}
/**
* Setup search integration
*
* @since 3.6.0
*/
public function search_setup() {
$admin_integration = apply_filters( 'ep_admin_wp_query_integration', false );
if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
/**
* Filter to integrate with admin ajax queries
*
* @hook ep_ajax_wp_query_integration
* @param {bool} $integrate True to integrate
* @return {bool} New value
*/
if ( ! apply_filters( 'ep_ajax_wp_query_integration', false ) ) {
return;
} else {
$admin_integration = true;
}
}
if ( is_admin() && ! $admin_integration ) {
return;
}
add_filter( 'ep_elasticpress_enabled', [ $this, 'integrate_search_queries' ], 10, 2 );
}
/**
* Output feature box long text
*
* @since 3.6.0
*/
public function output_feature_box_long() {
?>
<p><?php esc_html_e( 'This feature will empower your website to overcome traditional WordPress comment search and query limitations that can present themselves at scale.', 'elasticpress' ); ?></p>
<?php
}
/**
* Enable integration on search queries
*
* @param bool $enabled Whether EP is enabled
* @param \WP_Comment_Query $query Current query object.
* @since 3.6.0
* @return bool
*/
public function integrate_search_queries( $enabled, $query ) {
if ( ! is_a( $query, 'WP_Comment_Query' ) ) {
return $enabled;
}
if ( isset( $query->query_vars['ep_integrate'] ) && ! filter_var( $query->query_vars['ep_integrate'], FILTER_VALIDATE_BOOLEAN ) ) {
$enabled = false;
} elseif ( ! empty( $query->query_vars['search'] ) ) {
$enabled = true;
}
return $enabled;
}
/**
* Determine feature reqs status
*
* @since 3.6.0
* @return FeatureRequirementsStatus
*/
public function requirements_status() {
$status = new FeatureRequirementsStatus( 1 );
return $status;
}
/**
* Register comments widget
*
* @since 3.6.0
*/
public function register_widget() {
register_widget( __NAMESPACE__ . '\Widget' );
}
/**
* Registers the API endpoint to search for comments
*
* @since 3.6.0
*/
public function rest_api_init() {
register_rest_route(
'elasticpress/v1',
'comments',
[
'methods' => 'GET',
'callback' => [ $this, 'handle_comments_search' ],
'permission_callback' => '__return_true',
'args' => [
's' => [
'validate_callback' => function ( $param ) {
return ! empty( $param );
},
'required' => true,
],
'post_type' => [
'validate_callback' => function ( $param ) {
return ! empty( $param );
},
],
],
]
);
}
/**
* Handles the search for comments
*
* @since 3.6.0
* @param \WP_REST_Request $request Rest request
* @return array
*/
public function handle_comments_search( $request ) {
$search = $request->get_param( 's' );
if ( empty( $search ) ) {
return new \WP_Error( 400 );
}
$post_type_filter = explode( ',', $request->get_param( 'post_type' ) );
$searchable_post_types = array_filter(
Features::factory()->get_registered_feature( 'search' )->get_searchable_post_types(),
function ( $post_type ) {
return post_type_supports( $post_type, 'comments' );
}
);
if ( ! empty( $post_type_filter ) && is_array( $searchable_post_types ) ) {
$post_type_filter = array_intersect( $post_type_filter, $searchable_post_types );
}
$default_args = [
'status' => 'approve',
'search' => $search,
'type' => Indexables::factory()->get( 'comment' )->get_indexable_comment_types(),
'post_type' => empty( $post_type_filter ) ? $searchable_post_types : $post_type_filter,
'post_status' => 'publish',
'number' => 5,
];
/**
* Filter to args used in WP_Comment_Query in Widget Search Comment
*
* @hook ep_comment_search_widget_args
* @since 3.6.0
* @param {array} $default_args Defaults args
* @return {array} New value
*/
$args = apply_filters( 'ep_comment_search_widget_args', $default_args );
/**
* Fires before the comment query is executed.
*
* @hook ep_comment_pre_search_widget
* @since 3.6.0
* @param {array} $args Args passed to `WP_Comment_Query`.
* @param {WP_REST_Request} $request Rest request.
*/
do_action( 'ep_comment_pre_search_widget', $args, $request );
$comment_query = new \WP_Comment_Query( $args );
/**
* Fires after the comment query is executed.
*
* @hook ep_comment_after_search_widget
* @since 3.6.0
* @param {WP_Comment_Query} $comment_query WP_Comment_Query object.
* @param {WP_REST_Request} $request Rest request.
*/
do_action( 'ep_comment_after_search_widget', $comment_query, $request );
$return = [];
foreach ( $comment_query->comments as $comment ) {
$return[ $comment->comment_ID ] = [
'id' => $comment->comment_ID,
'content' => $comment->comment_content,
'link' => get_comment_link( $comment ),
];
}
/**
* Filters the comments response
*
* @hook ep_comment_search_widget_response
* @since 3.6.0
* @param {array} $return The result of fetched comments.
* @return {array} New value
*/
return apply_filters( 'ep_comment_search_widget_response', $return );
}
/**
* Get a list of searchable post types that support comments.
*
* @return array Array of post type labels keyed by post type.
* @since 4.4.0
*/
public static function get_searchable_post_types() {
$searchable_post_types = array();
$post_types = Features::factory()->get_registered_feature( 'search' )->get_searchable_post_types();
$post_types = array_filter(
$post_types,
function( $post_type ) {
return post_type_supports( $post_type, 'comments' );
}
);
foreach ( $post_types as $post_type ) {
$post_type_object = get_post_type_object( $post_type );
$post_type_labels = get_post_type_labels( $post_type_object );
$searchable_post_types[ $post_type ] = $post_type_labels->name;
}
return $searchable_post_types;
}
/**
* Enqueue frontend scripts.
*
* @since 4.4.0
*/
public function frontend_scripts() {
wp_register_script(
'elasticpress-comments',
EP_URL . 'dist/js/comments-script.js',
Utils\get_asset_info( 'comments-script', 'dependencies' ),
Utils\get_asset_info( 'comments-script', 'version' ),
true
);
wp_set_script_translations( 'elasticpress-comments', 'elasticpress' );
wp_register_style(
'elasticpress-comments',
EP_URL . 'dist/css/comments-styles.css',
Utils\get_asset_info( 'comments-styles', 'dependencies' ),
Utils\get_asset_info( 'comments-styles', 'version' )
);
$default_script_data = [
'noResultsFoundText' => esc_html__( 'We could not find any results', 'elasticpress' ),
'minimumLengthToSearch' => 2,
'restApiEndpoint' => get_rest_url( null, 'elasticpress/v1/comments' ),
];
/**
* Filter the l10n data attached to the Widget Search Comments script
*
* @since 3.6.0
* @hook ep_comment_search_widget_l10n_data_script
* @param {array} $default_script_data Default data attached to the script
* @return {array} New l10n data to be attached
*/
$script_data = apply_filters( 'ep_comment_search_widget_l10n_data_script', $default_script_data );
wp_localize_script(
'elasticpress-comments',
'epc',
$script_data
);
}
/**
* Register block.
*
* @since 4.4.0
*/
public function register_block() {
/**
* Registering it here so translation works
*
* @see https://core.trac.wordpress.org/ticket/54797#comment:20
*/
wp_register_script(
'elasticpress-comments-editor-script',
EP_URL . 'dist/js/comments-block-script.js',
Utils\get_asset_info( 'comments-block-script', 'dependencies' ),
Utils\get_asset_info( 'comments-block-script', 'version' ),
true
);
wp_set_script_translations( 'elasticpress-comments-editor-script', 'elasticpress' );
wp_localize_script(
'elasticpress-comments-editor-script',
'epComments',
[
'searchablePostTypes' => self::get_searchable_post_types(),
]
);
register_block_type_from_metadata(
EP_PATH . 'assets/js/blocks/comments',
[
'render_callback' => [ $this, 'render_block' ],
]
);
}
/**
* Render block.
*
* @param array $attributes Block attributes
* @since 4.4.0
* @return string
*/
public function render_block( $attributes ) {
$wrapper_id = 'ep-search-comments-' . uniqid();
$wrapper_attributes = get_block_wrapper_attributes(
array(
'id' => $wrapper_id,
'class' => 'ep-widget-search-comments',
)
);
$label = ! empty( $attributes['label'] )
? sprintf(
'<label for="%1$s-s">%2$s</label>',
esc_attr( $wrapper_id ),
wp_kses_post( $attributes['label'] )
)
: '';
$post_types_input = ! empty( $attributes['postTypes'] )
? sprintf(
'<input class="ep-widget-search-comments-post-type" type="hidden" id="%1$s-post-type" value="%2$s">',
esc_attr( $wrapper_id ),
esc_attr( implode( ',', $attributes['postTypes'] ) )
)
: '';
$block_html = sprintf(
'<div %1$s>%2$s%3$s</div>',
$wrapper_attributes, // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
$label,
$post_types_input
);
return $block_html;
}
/**
* Hide the legacy widget.
*
* Hides the legacy widget in favor of the Block when the block editor
* is in use and the legacy widget has not been used.
*
* @since 4.4.0
* @param array $widgets An array of excluded widget-type IDs.
* @return array array of excluded widget-type IDs to hide.
*/
public function hide_legacy_widget( $widgets ) {
$widgets[] = 'ep-comments';
return $widgets;
}
}