HA: TDTOOL php class

tdtool.php

<?php
// Source: https://bitbucket.org/joelbitar/switchctrl/src/5854b847114e/webservice/tellstick.class.php
// This is the class that controls the communication with the tellstick

class Tellstick {

    public $number_of_devices;
    public $devices;

    // Create object and get the current devices and their statuses
    public function __construct() {
        $this->get_devices();
    }

    // Update device statuses
    public function set_devices($request)
    {

        foreach($request['device_list'] as $device => $status) {
            $status = $status == 1 ? 'on' : 'off';
            $argument .= " --$status $device ";
        }

        if($argument != '')
            exec('"' . TDTOOL . '"' . $argument);

        return $this->check_status($request['device_list']);
    }

    // Check device statuses and compare them with the request
    public function check_status($requested_statuses)
    {
        $this->get_devices();

        foreach($requested_statuses as $device_id => $requested_status) {
            if($this->devices[$device_id]['status'] != $requested_status)
                return false;
        }
        return true;
    }


    // Run tdtool and get a list of devices and their statuses.
    private function get_devices()
    {
        exec('"' . TDTOOL . '" --list', $tdtool_output);
        foreach($tdtool_output as $line) {
            if($colon_position = strpos($line, ':')) {
                $this->number_of_devices = trim(substr($line, $colon_position+1));
            } else {
                $columns = explode("\t", $line);
                $this->devices[$columns[0]] = array(
                    'id'     => $columns[0],
                    'name'   => utf8_encode($columns[1]),
                    'status' => $columns[2] == 'ON' ? 1 : 0);
            }
        }
    }
}
?>