<?php

include_once(dirname(__FILE__).'/../../Base/Model.php');

class Task extends Model
{
  var $TempScript = 'temp/wowhosting_script.sh';
  
  function __construct($System)
  {
  	parent::__construct($System);    
  }
  
  function Add($Title, $Task)
  {
    $CommandList = implode("\n", $Task)."\n";
    $this->Database->insert('Task', array('User' => $this->System->Modules['User']->User['Id'], 'Title' => $Title, 'TimeCreate' => 'NOW()', 'CommandList' => $CommandList));
  } 

  function ProcessAll()
  {
    chdir($this->Config['BaseDir']);
    $DbResult = $this->Database->query('SELECT * FROM Task WHERE State = 0 ORDER BY Id,TimeCreate ASC');
    while($Task = $DbResult->fetch_assoc())
    {
      $this->Database->query('UPDATE Task SET TimeStart=NOW(), State=1 WHERE Id='.$Task['Id']);
      echo('Provádím úlohu '.$Task['Id'].': '.$Task['Title']."...\n");
      $Task['CommandList'] = "#!/bin/sh\n".str_replace("\r", '', $Task['CommandList']);
      file_put_contents($this->TempScript, $Task['CommandList']);
      chmod($this->TempScript, 0755); 
      exec($this->TempScript.' >'.$this->TempScript.'.log 2>'.$this->TempScript.'.err');
      $StdOut = file_get_contents($this->TempScript.'.log');
      unlink($this->TempScript.'.log');
      $StdErr = file_get_contents($this->TempScript.'.err');
      unlink($this->TempScript.'.err');
      echo("Hotovo\n");
      $this->Database->query('UPDATE `Task` SET `TimeEnd`=NOW(), `State`=2, `Output`="'.addslashes($StdOut).'", `Error`="'.addslashes($StdErr).'" WHERE `Id`='.$Task['Id']);
    }
  }
  
  function ProcessAllCycle()
  {
    $this->Database->query('UPDATE Task SET State=2 WHERE State=1'); // Change not finished running tasks to finished
    $this->Database->query('UPDATE Task SET TimeEnd=NOW() WHERE State=2 AND TimeEnd = NULL'); // Set end time to finished tasks
    while(1)
    {
      $this->ProcessAll();
      sleep(1);
    }  
  }
   
  function Abort($Id)
  {
    $this->Database->query('DELETE FROM Task WHERE Id='.$Id);
  } 
}