public function submit_post( $post_id = 0 ) {
		global $current_user, $current_site;

		// Innocent until proven guilty
		$request_type   = 'ham';
		$current_filter = current_filter();

		// Check this filter and adjust the $request_type accordingly
		switch ( $current_filter ) {

			// Mysterious, and straight from the can
			case 'bbp_spammed_topic' :
			case 'bbp_spammed_reply' :
				$request_type = 'spam';
				break;

			// Honey-glazed, a straight off the bone
			case 'bbp_unspammed_topic' :
			case 'bbp_unspammed_reply' :
				$request_type = 'ham';
				break;

			// Possibly poison...
			default :
				return;
		}

		// Setup some variables
		$post_id = (int) $post_id;

		// Make sure we have a post
		$_post = get_post( $post_id );

		// Bail if get_post() fails
		if ( empty( $_post ) ) {
			return;
		}

		// Bail if we're spamming, but the post_status isn't spam
		if ( ( 'spam' === $request_type ) && ( bbp_get_spam_status_id() !== $_post->post_status ) ) {
			return;
		}

		// Pass title & content together into comment content
		$_post_content = trim( $_post->post_title . "\n\n" . $_post->post_content );

		// Set some default post_data
		$post_data = array(
			'comment_approved'     => $_post->post_status,
			'comment_author'       => $_post->post_author ? get_the_author_meta( 'display_name', $_post->post_author ) : get_post_meta( $post_id, '_bbp_anonymous_name',    true ),
			'comment_author_email' => $_post->post_author ? get_the_author_meta( 'email',        $_post->post_author ) : get_post_meta( $post_id, '_bbp_anonymous_email',   true ),
			'comment_author_url'   => $_post->post_author ? bbp_get_user_profile_url(            $_post->post_author ) : get_post_meta( $post_id, '_bbp_anonymous_website', true ),
			'comment_content'      => $_post_content,
			'comment_date'         => $_post->post_date,
			'comment_ID'           => $post_id,
			'comment_post_ID'      => $_post->post_parent,
			'comment_type'         => $_post->post_type,
			'permalink'            => get_permalink( $post_id ),
			'user_ID'              => $_post->post_author,
			'user_ip'              => get_post_meta( $post_id, '_bbp_author_ip', true ),
			'user_role'            => $this->get_user_roles( $_post->post_author ),
		);

		// Use the original version stored in post_meta if available
		$as_submitted = get_post_meta( $post_id, '_bbp_akismet_as_submitted', true );
		if ( $as_submitted && is_array( $as_submitted ) && isset( $as_submitted['comment_content'] ) ) {
			$post_data = array_merge( $post_data, $as_submitted );
		}

		// Add the reporter IP address
		$post_data['reporter_ip']  = bbp_current_author_ip();

		// Add some reporter info
		if ( is_object( $current_user ) ) {
			$post_data['reporter'] = $current_user->user_login;
		}

		// Add the current site domain
		if ( is_object( $current_site ) ) {
			$post_data['site_domain'] = $current_site->domain;
		}

		// Place your slide beneath the microscope
		$post_data = $this->maybe_spam( $post_data, 'submit', $request_type );

		// Manual user action
		if ( isset( $post_data['reporter'] ) ) {

			// What kind of action
			switch ( $request_type ) {

				// Spammy
				case 'spam' :
					if ( 'topic' === $post_data['comment_type'] ) {
						/* translators: %s: reporter name */
						$message = sprintf( esc_html__( '%s reported this topic as spam', 'bbpress' ),
							$post_data['reporter']
						);
					} elseif ( 'reply' === $post_data['comment_type'] ) {
						/* translators: %s: reporter name */
						$message = sprintf( esc_html__( '%s reported this reply as spam', 'bbpress' ),
							$post_data['reporter']
						);
					} else {
						/* translators: 1: reporter name, 2: comment type */
						$message = sprintf( esc_html__( '%1$s reported this %2$s as spam', 'bbpress' ),
							$post_data['reporter'],
							$post_data['comment_type']
						);
					}

					$this->update_post_history( $post_id, $message, 'report-spam' );
					update_post_meta( $post_id, '_bbp_akismet_user_result', 'true'                 );
					update_post_meta( $post_id, '_bbp_akismet_user',        $post_data['reporter'] );
					break;

				// Hammy
				case 'ham' :
					if ( 'topic' === $post_data['comment_type'] ) {
						/* translators: %s: reporter name */
						$message = sprintf( esc_html__( '%s reported this topic as not spam', 'bbpress' ),
							$post_data['reporter']
						);
					} elseif ( 'reply' === $post_data['comment_type'] ) {
						/* translators: %s: reporter name */
						$message = sprintf( esc_html__( '%s reported this reply as not spam', 'bbpress' ),
							$post_data['reporter']
						);
					} else {
						/* translators: 1: reporter name, 2: comment type */
						$message = sprintf( esc_html__( '%1$s reported this %2$s as not spam', 'bbpress' ),
							$post_data['reporter'],
							$post_data['comment_type']
						);
					}

					$this->update_post_history( $post_id, $message, 'report-ham' );
					update_post_meta( $post_id, '_bbp_akismet_user_result', 'false'                 );
					update_post_meta( $post_id, '_bbp_akismet_user',         $post_data['reporter'] );

					// @todo Topic term revision history
					break;

				// Possible other actions
				default :
					break;
			}
		}

		do_action( 'bbp_akismet_submit_' . $request_type . '_post', $post_id, $post_data['bbp_akismet_result'] );
	}