BP_REST_Activity_Comment_Endpoint::create_item( WP_REST_Request $request )

	public function create_item( $request ) {

		if ( true === $this->activity_endpoint->bp_rest_activity_content_validate( $request ) ) {
			return new WP_Error(
				'bp_rest_comment_blank_content',
				__( 'Please do not leave the comment area blank.', 'buddyboss' ),
				array(
					'status' => 400,
				)
			);
		}

		if ( empty( $request['parent_id'] ) ) {
			$request['parent_id'] = '';
		}

		if ( empty( $request['content'] ) ) {
			$request['content'] = '​';
		}

		$comment_id = bp_activity_new_comment(
			array(
				'activity_id' => $request['id'],
				'content'     => $request['content'],
				'parent_id'   => $request['parent_id'],
			)
		);

		if ( is_wp_error( $comment_id ) ) {
			return new WP_Error(
				'comment_error',
				esc_html( $comment_id->get_error_message() ),
				array(
					'status' => 500,
				)
			);
		}

		$activity_comment = new BP_Activity_Activity( $comment_id );

		$fields_update = $this->update_additional_fields_for_object( $activity_comment, $request );

		if ( is_wp_error( $fields_update ) ) {
			return $fields_update;
		}

		$retval            = array();
		$retval['created'] = true;

		if ( empty( $request['display_comments'] ) ) {
			$request->set_param( 'display_comments', 'threaded' );
		}

		$activity = $this->get_activity_object( $request );

		if ( ! empty( $activity->children ) ) {
			$request->set_param( 'context', 'view' );
			$retval['comments'] = $this->prepare_activity_comments( $activity->children, $request );
		}

		$response = rest_ensure_response( $retval );

		/**
		 * Fires after an activity comment is created via the REST API.
		 *
		 * @param WP_REST_Response $response The response data.
		 * @param WP_REST_Request $request The request sent to the API.
		 *
		 * @since 0.1.0
		 */
		do_action( 'bp_rest_activity_create_item', $response, $request );

		return $response;
	}