yfix/yf

<?php

/**
 * Core PUB/SUB events wrapper.
 */
class yf_wrapper_pubsub
{
    public $driver = 'redis';
    public $_connection = null;

    /**
     * Catch missing method call.
     * @param mixed $name
     * @param mixed $args
     */
    public function __call($name, $args)
    {
        ! $this->_connection && $this->connect();
        // Support for driver-specific methods
        if (is_object($this->_connection) && method_exists($this->_connection, $name)) {
            return call_user_func_array([$this->_connection, $name], $args);
        }
        return main()->extend_call($this, $name, $args);
    }

    /**
     * Do connect to the low level driver.
     */
    public function connect()
    {
        if ( ! $this->_connection) {
            $this->_connection = _class('pubsub_driver_' . $this->driver, 'classes/pubsub/');
            $this->_connection->connect();
        }
        return $this->_connection;
    }

    /**
     * Check if system is ready.
     */
    public function is_ready()
    {
        ! $this->_connection && $this->connect();
        return (bool) $this->_connection;
    }

    /**
     * Publish new event.
     * @param mixed $channel
     * @param mixed $what
     */
    public function pub($channel, $what)
    {
        ! $this->_connection && $this->connect();
        return $this->_connection->pub($channel, $what);
    }

    /**
     * Subscribe for one or more events.
     * @param mixed $channels
     * @param mixed $callback
     */
    public function sub($channels, $callback)
    {
        ! $this->_connection && $this->connect();
        return $this->_connection->sub($channels, $callback);
    }

    /**
     * Configure driver.
     * @param mixed $params
     */
    public function conf($params = [])
    {
        ! $this->_connection && $this->connect();
        return $this->_connection->conf($params);
    }
}