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Allow notifications for private posts and comments on private posts #62

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98 changes: 96 additions & 2 deletions library/Falcon/Connector/WordPress.php
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,19 @@ public function __construct( $handler ) {

$this->add_notify_action( 'publish_post', array( $this, 'notify_on_publish' ), 10, 2 );

// If notifications on private posts are explicitly allowed via filter.
if ( apply_filters( 'falcon.connector.wordpress.notify_on_private', false ) ) {
/**
* There is no dedicated action when a private post is published.
* Private posts are automatically published once you change the
* visibility to private, so we need to hook into all the
* `{$old_status}_to_{$new_status}` actions.
*/
$this->add_notify_action( 'auto-draft_to_private', array( $this, 'notify_on_private' ), 10, 1 );
$this->add_notify_action( 'draft_to_private', array( $this, 'notify_on_private' ), 10, 1 );
$this->add_notify_action( 'pending_to_private', array( $this, 'notify_on_private' ), 10, 1 );
}

$this->add_notify_action( 'wp_insert_comment', array( $this, 'notify_on_reply' ), 10, 2 );
$this->add_notify_action( 'comment_approve_comment', array( $this, 'notify_on_reply' ), 10, 2 );

Expand Down Expand Up @@ -150,6 +163,84 @@ public function notify_on_publish( $id = 0, WP_Post $post = null ) {
update_post_meta( $id, static::SENT_META_KEY, true );
}

/**
* Notify users when a private post is published.
*
* @param int $id ID of the private post being published.
* @param WP_Post $post Post object for the private post being published.
*/
public function notify_on_private( WP_Post $post ) {
if ( empty( $this->handler ) || ! Falcon::is_enabled_for_site() ) {
return;
}

$id = $post->ID;

// Double-check status
if ( get_post_status( $id ) !== 'private' ) {
return;
}

// Only notify for allowed types
if ( ! $this->is_allowed_type( $post->post_type ) ) {
return;
}

// Don't notify if we're already done so for the post
$has_sent = get_post_meta( $id, static::SENT_META_KEY, true );

/**
* Should we send a publish notification?
*
* This is based on meta by default to avoid double-sending, but
* override to change the logic to whatever you like for
* post publishing.
*
* @param bool $should_notify Should we notify for this event?
* @param WP_Post $post Post we're going to notify for
*/
$should_notify = apply_filters( 'falcon.connector.wordpress.should_notify_private', ! $has_sent, $post );

if ( ! $should_notify ) {
return;
}

$recipients = $this->get_post_subscribers( $post );

// still no users?
if ( empty( $recipients ) ) {
return;
}

$message = new Falcon_Message();

$message->set_text( $this->get_post_content_as_text( $post ) );
$message->set_html( $this->get_post_content_as_html( $post ) );

$subject = apply_filters( 'bbsub_topic_email_subject', '[' . get_option( 'blogname' ) . '] ' . html_entity_decode( get_the_title( $id ), ENT_QUOTES ), $id );
$message->set_subject( $subject );

$message->set_author( get_the_author_meta( 'display_name', $post->post_author ) );

$options = array();
if ( $this->handler->supports_message_ids() ) {
$options['message-id'] = $this->get_message_id_for_post( $post );
}
$message->set_options( $options );

$message->set_reply_address_handler( function ( WP_User $user, Falcon_Message $message ) use ( $post ) {
return Falcon::get_reply_address( 'post_' . $post->ID, $user );
} );

$responses = $this->handler->send_mail( $recipients, $message );
if ( ! $this->handler->supports_message_ids() && ! empty( $responses ) ) {
update_post_meta( $id, self::MESSAGE_ID_KEY, $responses );
}

// Stop any future double-sends
update_post_meta( $id, static::SENT_META_KEY, true );
}

/**
* Get text-formatted footer.
*
Expand Down Expand Up @@ -245,10 +336,13 @@ public function notify_on_reply( $id = 0, WP_Comment $comment = null ) {
if ( wp_get_comment_status( $comment ) !== 'approved' ) {
return false;
}

// Is the post published?
$post = get_post( $comment->comment_post_ID );
if ( get_post_status( $post ) !== 'publish' ) {
$is_allowed_status = get_post_status( $post ) === 'publish'
||
( apply_filters( 'falcon.connector.wordpress.notify_on_private', false ) && get_post_status( $post ) === 'private' );

if ( ! $is_allowed_status ) {
return false;
}

Expand Down