Add row action filters and Jetpack Reader link integration (#2241)

Author: pfefferle

.github/changelog/2241-from-description

@@ -0,0 +1,4 @@
+Significance: minor
+Type: added
+
+You can now follow people and see their updates right in the WordPress.com Reader when using Jetpack or WordPress.com.

includes/wp-admin/class-admin.php

@@ -82,6 +82,7 @@ public static function init() {
 	 */
 	public static function admin_notices() {
 		$current_screen = get_current_screen();
+
 		if ( ! $current_screen ) {
 			return;
 		}

includes/wp-admin/table/class-blocked-actors.php

@@ -397,6 +397,19 @@ protected function handle_row_actions( $item, $column_name, $primary ) {
 			),
 		);
 
+		/**
+		 * Filters the array of row action links on the Blocked Actors list table.
+		 *
+		 * This filter is evaluated for each blocked actor item in the list table.
+		 *
+		 * @since unreleased
+		 *
+		 * @param string[] $actions An array of row action links. Defaults are
+		 *                          'Unblock'.
+		 * @param array    $item    The current blocked actor item.
+		 */
+		$actions = apply_filters( 'activitypub_blocked_actors_row_actions', $actions, $item );
+
 		return $this->row_actions( $actions );
 	}
 }

includes/wp-admin/table/class-followers.php

@@ -477,6 +477,20 @@ protected function handle_row_actions( $item, $column_name, $primary ) {
 			}
 		}
 
+		/**
+		 * Filters the array of row action links for each follower in the Followers list table.
+		 *
+		 * This filter allows you to modify the available row actions (such as Delete, Block, or Follow back)
+		 * for each follower item displayed in the table.
+		 *
+		 * @since unreleased
+		 *
+		 * @param string[] $actions An array of row action links. Defaults are
+		 *                          'Delete', 'Block', and optionally 'Follow back'.
+		 * @param array    $item    The current follower item.
+		 */
+		$actions = apply_filters( 'activitypub_followers_row_actions', $actions, $item );
+
 		return $this->row_actions( $actions );
 	}
 

includes/wp-admin/table/class-following.php

@@ -481,6 +481,7 @@ public function single_row( $item ) {
 	 * @param array  $item        The current following item.
 	 * @param string $column_name The current column name.
 	 * @param string $primary     The primary column name.
+	 *
 	 * @return string HTML for the row actions.
 	 */
 	protected function handle_row_actions( $item, $column_name, $primary ) {
@@ -498,6 +499,18 @@ protected function handle_row_actions( $item, $column_name, $primary ) {
 			),
 		);
 
+		/**
+		 * Filters the array of row action links on the Following list table.
+		 *
+		 * This filter allows you to modify the row actions for each following item in the Following list table.
+		 *
+		 * @since unreleased
+		 *
+		 * @param string[] $actions An array of row action links. Defaults include 'Unfollow'.
+		 * @param array    $item    The current following item.
+		 */
+		$actions = apply_filters( 'activitypub_following_row_actions', $actions, $item );
+
 		return $this->row_actions( $actions );
 	}
 }

integration/class-jetpack.php

@@ -20,11 +20,21 @@ class Jetpack {
 	 * Initialize the class, registering WordPress hooks.
 	 */
 	public static function init() {
-		\add_filter( 'jetpack_sync_post_meta_whitelist', array( self::class, 'add_sync_meta' ) );
-		\add_filter( 'jetpack_sync_comment_meta_whitelist', array( self::class, 'add_sync_comment_meta' ) );
-		\add_filter( 'jetpack_sync_whitelisted_comment_types', array( self::class, 'add_comment_types' ) );
-		\add_filter( 'jetpack_json_api_comment_types', array( self::class, 'add_comment_types' ) );
-		\add_filter( 'jetpack_api_include_comment_types_count', array( self::class, 'add_comment_types' ) );
+		if ( ! \defined( 'IS_WPCOM' ) ) {
+			\add_filter( 'jetpack_sync_post_meta_whitelist', array( self::class, 'add_sync_meta' ) );
+			\add_filter( 'jetpack_sync_comment_meta_whitelist', array( self::class, 'add_sync_comment_meta' ) );
+			\add_filter( 'jetpack_sync_whitelisted_comment_types', array( self::class, 'add_comment_types' ) );
+			\add_filter( 'jetpack_json_api_comment_types', array( self::class, 'add_comment_types' ) );
+			\add_filter( 'jetpack_api_include_comment_types_count', array( self::class, 'add_comment_types' ) );
+		}
+
+		if (
+			( \defined( 'IS_WPCOM' ) && IS_WPCOM ) ||
+			( \class_exists( '\Jetpack' ) && \Jetpack::is_connection_ready() )
+		) {
+			\add_filter( 'activitypub_following_row_actions', array( self::class, 'add_reader_link' ), 10, 2 );
+			\add_filter( 'pre_option_activitypub_following_ui', array( self::class, 'pre_option_activitypub_following_ui' ) );
+		}
 	}
 
 	/**
@@ -68,4 +78,47 @@ public static function add_comment_types( $comment_types ) {
 
 		return array_unique( \array_merge( $comment_types, Comment::get_comment_type_slugs() ) );
 	}
+
+	/**
+	 * Add a "Reader" link to the bulk actions dropdown on the following list screen.
+	 *
+	 * @param array $actions The bulk actions.
+	 * @param array $item    The current following item.
+	 *
+	 * @return array The bulk actions with the "Reader" link.
+	 */
+	public static function add_reader_link( $actions, $item ) {
+		// Do not show the link for pending follow requests.
+		if ( 'pending' === $item['status'] ) {
+			return $actions;
+		}
+
+		$feed = \get_post_meta( $item['id'], '_activitypub_actor_feed', true );
+
+		if ( isset( $feed['feed_id'] ) ) {
+			$url = sprintf( 'https://wordpress.com/reader/feed/%d', (int) $feed['feed_id'] );
+		} else {
+			$url = sprintf( 'https://wordpress.com/reader/feeds/lookup/%s', rawurlencode( $item['identifier'] ) );
+		}
+
+		return array_merge(
+			array(
+				'reader' => sprintf(
+					'<a href="%s" target="_blank">%s</a>',
+					esc_url( $url ),
+					esc_html__( 'View Feed', 'activitypub' )
+				),
+			),
+			$actions
+		);
+	}
+
+	/**
+	 * Force the ActivityPub Following UI to be enabled when Jetpack is active.
+	 *
+	 * @return string '1' to enable the ActivityPub Following UI.
+	 */
+	public static function pre_option_activitypub_following_ui() {
+		return '1';
+	}
 }

integration/load.php

@@ -62,7 +62,7 @@ function plugin_init() {
 	 *
 	 * @see https://jetpack.com/
 	 */
-	if ( \defined( 'JETPACK__VERSION' ) && ! \defined( 'IS_WPCOM' ) ) {
+	if ( \defined( 'JETPACK__VERSION' ) ) {
 		Jetpack::init();
 	}