Axiom\Rivescript\Cortex\Commands\Topic

Complexity

Total Complexity

6

Size/Duplication

Total Lines	25
Duplicated Lines	0 %

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	parse()	0	16	6

<?php
/*
 * This file is part of Rivescript-php
 *
 * (c) Shea Lewis <shea.lewis89@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Axiom\Rivescript\Cortex\Commands;

use Axiom\Rivescript\Contracts\Command;
use Axiom\Rivescript\Cortex\Node;

/**
 * Topic class
 *
 * This class handles the Topic command (> ...)
 * and stores the definition in memory.
 *
 * PHP version 7.4 and higher.
 *
 * @category Core
 * @package  Cortext\Commands
 * @author   Shea Lewis <shea.lewis89@gmail.com>
 * @license  https://opensource.org/licenses/MIT MIT
 * @link     https://github.com/axiom-labs/rivescript-php
 * @since    0.3.0
 */
class Topic implements Command
{
    /**
     * Parse the command.
     *
     * @param Node $node The node is a line from the Rivescript file.
     *
     * @return void
     */
    public function parse(Node $node): void
    {
        if ($node->command() === '>') {
            [$type, $topic] = explode(' ', $node->value());

            if ($type === 'topic') {
                if (!synapse()->brain->topic($topic)) {
                    synapse()->brain->createTopic($topic);
                }

                synapse()->memory->shortTerm()->put('topic', $topic);
            }
        }

        if ($node->command() === '<' && $node->value() === 'topic') {
            synapse()->memory->shortTerm()->remove('topic');
        }
    }
}