From 4668fd55b90f1f259754ae755e248421ee8ca056 Mon Sep 17 00:00:00 2001
From: Alex Kirk <akirk@users.noreply.github.com>
Date: Thu, 16 Jan 2025 17:13:07 +0100
Subject: [PATCH] Augment the ActivityPub New Follower E-Mail

---
 includes/class-notifications.php | 43 ++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/includes/class-notifications.php b/includes/class-notifications.php
index bcc1a314..ee9acb29 100644
--- a/includes/class-notifications.php
+++ b/includes/class-notifications.php
@@ -46,6 +46,7 @@ private function register_hooks() {
 		add_action( 'notify_new_friend_request', array( $this, 'notify_new_friend_request' ) );
 		add_action( 'notify_accepted_friend_request', array( $this, 'notify_accepted_friend_request' ) );
 		add_action( 'notify_friend_message_received', array( $this, 'notify_friend_message_received' ), 10, 3 );
+		add_action( 'activitypub_new_follower_email', array( $this, 'activitypub_new_follower_email' ), 10, 3 );
 		if ( ! get_user_option( 'friends_no_friend_follower_notification' ) ) {
 			add_action( 'activitypub_followers_post_follow', array( $this, 'activitypub_followers_post_follow' ), 10, 4 );
 			add_action( 'activitypub_followers_pre_remove_follower', array( $this, 'activitypub_followers_pre_remove_follower' ), 10, 3 );
@@ -357,6 +358,48 @@ public function notify_friend_message_received( User $friend_user, $message, $su
 		$this->send_mail( $user->user_email, $email_title, $email_message );
 	}
 
+	/**
+	 * Augment the ActivityPub new follower e-mail
+	 *
+	 * @param      array $actor  The actor.
+	 */
+	public function activitypub_new_follower_email( $actor ) {
+		if ( isset( $actor['id'] ) ) {
+			$url = $actor['id'];
+		} elseif ( isset( $actor['url'] ) ) {
+			$url = $actor['url'];
+		} else {
+			return;
+		}
+
+		$url = \ActivityPub\object_to_uri( $url );
+		$server = wp_parse_url( $url, PHP_URL_HOST );
+		$following = User_Feed::get_by_url( $url );
+		if ( ! $following || is_wp_error( $following ) ) {
+			$following = User_Feed::get_by_url( str_replace( '/users/', '/@', $url ) );
+		}
+		if ( $following && ! is_wp_error( $following ) ) {
+			$following = $following->get_friend_user();
+		} else {
+			$following = false;
+		}
+		echo '<p>';
+		if ( $following ) {
+			echo esc_html__( 'You are already following them!', 'friends' );
+			echo ' ';
+			// translators: %s is a URL.
+			echo wp_kses( sprintf( __( 'Go to their <a href="%s">friends page</a> to see what they recently posted about.', 'friends' ), esc_url( $following->get_local_friends_page_url() ) ), array( 'a' => array( 'href' => array() ) ) );
+		} else {
+			// translators: %s is a URL.
+			echo wp_kses( sprintf( __( 'You can view their profile at %s', 'friends' ), '<a href="' . esc_url( $url ) . '">' . esc_url( $url ) . '</a>' ), array( 'a' => array( 'href' => array() ) ) );
+			echo '</p>';
+			echo '<p>';
+			// translators: %s is a URL.
+			echo wp_kses( sprintf( __( 'Maybe you want to <a href="%s">follow them back</a>?', 'friends' ), esc_url( add_query_arg( 'url', $url, admin_url( 'admin.php?page=add-friend' ) ) ) ), array( 'a' => array( 'href' => array() ) ) );
+		}
+		echo '</p>';
+	}
+
 	/**
 	 * Notify of a follower
 	 *