<?php

/**
 * This class has been auto-generated by the Doctrine ORM Framework
 */
class PlanLevel extends BasePlanLevel
{
    /**
     * Zvíší pozici
     */
    public function promote()
    {
        if(!$this->isLast())
        {
            $level = $this->getTable()->createQuery()
                        ->addWhere('plan_id = ?', $this->getPlanId())
                        ->addWhere('position = ?', $this->getPosition() + 1)
                        ->fetchOne();
            if($level)
            {
               $level->setPosition($this->getPosition());
               $level->save();
            }
            
            $this->setPosition($this->getPosition() + 1);
            $this->save();
        }
    }
    
    /**
     * Sníží pozici
     */
    public function demote()
    {
        if(!$this->isFirst())
        {
            $level = $this->getTable()->createQuery()
                        ->addWhere('plan_id = ?', $this->getPlanId())
                        ->addWhere('position = ?', $this->getPosition() - 1)
                        ->fetchOne();
            if($level)
            {
               $level->setPosition($this->getPosition());
               $level->save();
            }
            
            $this->setPosition($this->getPosition() - 1);
            $this->save();
        }
    }
    
    /**
     *
     * @return boolean
     */
    public function isFirst()
    {
        return $this->getPosition() == 1;
    }
    
    /**
     *
     * @return boolean
     */
    public function isLast()
    {
        $last = $this->getTable()->getLast($this->getPlan());
        if($last)
        {
            return $last->getId() == $this->getId();
        }
        
        return true;
    }
    
    public function preInsert($event)
    {
        parent::preInsert($event);
        
        $last = $this->getTable()->getLast($this->getPlan());
        if($last)
        {
            $this->setPosition($last->getPosition() + 1);
        }
        else
        {
            $this->setPosition(1);
        }
    }
}