<?php
require_once ROOTPATH.'/modules/calendar/constants.php';
require_once ROOTPATH.'/modules/calendar/interceptors/Helpers.php';
require_once ROOTPATH.'/plugins/icalcreator/iCalcreator.class.php';
require_once ROOTPATH.'/api/parseTPL.php';
 
class Notifications extends Helpers 
{
    
    /**
    * Analisa o commit do conceito participant e encaminha cada participant para seu devido metodo de notrificação
    *
    * @license    http://www.gnu.org/copyleft/gpl.html GPL
    * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
    * @sponsor    Caixa Econômica Federal
    * @author     Cristiano Corrêa Schmidt
    * @return     void
    * @access     public
    */
    public function commitParticipant(&$uri , &$result , &$data , $original)
    {    
        if(Config::regGet('noAlarm') !== false) return; //Escapa notificações caso a flag de noAlarm esteja ativa.
              
        $organizers = array(); //Cache Organizadores
        $schedulables = array(); //Cache Schedulables
        
        foreach ($data as $i => $concept) 
        {
            if($concept['concept'] === 'participant')
            {
               if( $concept['method'] == 'create' )
                   $created[] = $concept['id'];
               else if( $concept['method'] == 'update' )
                   $updated[] = $concept['id'];
            }
            else if($concept['concept'] === 'schedulable') //Caso exista schedulable no commit antecipa o carregamento do owner
            {
                $schedulables[ $concept['id'] ] = Controller::read( array('concept' => 'schedulable', 'id' => $concept['id']) , false , array('deepness' => '2'));
                foreach ($schedulables[ $concept['id'] ]['participants'] as $i => $v) //salva em $organizers as informações do organizador      
                    if(($v['isOrganizer'] === '1') && ($organizers[$concept['id']] = $v) ) break;
            }
        }
        
        if( isset( $created ) )
        {
           $psCreated =  Controller::find(array('concept' => 'participant'), false , array('deepness' => '1' , 'filter' => array('IN', 'id' , $created )));
           foreach ($psCreated as $i => $pCreated)   
           {    
               if($pCreated['isOrganizer'] == '1') continue; //escapa organizador
               $schedulable = isset( $schedulables[$pCreated['schedulable']] ) ? $schedulables[$pCreated['schedulable']] : Controller::read( array('concept' => 'schedulable', 'id' => $pCreated['schedulable']) , false , array('deepness' => '2'));
               if(!self::futureEvent( $schedulable['startTime'] , $schedulable['rangeEnd'])) continue; //Escapa eventos do passado
               
               $organizer = isset( $organizers[$pCreated['schedulable']] ) ? $organizers[ $pCreated['schedulable'] ] : self::getOrganizer( $pCreated['schedulable'] );
               
               switch ($pCreated['status']) 
               {
                   case STATUS_CONFIRMED:
                        self::participantStatusChange( $pCreated['id'] , $schedulable , $organizer  , STATUS_ACCEPTED);
                       break;
                   case STATUS_UNANSWERED:
                        self::participantCreated( $pCreated['id'] , $schedulable );
                       break;
               } 
           }
        }
        
        if( isset( $updated ) )
        {
            $psUpdated  = Controller::find(array('concept' => 'participant'), false , array('deepness' => '1' , 'filter' => array('IN', 'id' , $updated )));
            foreach ($psUpdated as $i => $pUpdated)   
            {
                if($pUpdated['isOrganizer'] == '1') continue; //escapa organizador
                $schedulable = isset( $schedulables[$pUpdated['schedulable']] ) ? $schedulables[ $pUpdated['schedulable'] ] : Controller::read( array('concept' => 'schedulable', 'id' => $pUpdated['schedulable']) , false , array('deepness' => '2'));
                if(!self::futureEvent( $schedulable['startTime'] , $schedulable['rangeEnd'])) continue; //Escapa eventos do passado
                  
                foreach ($schedulable['participants'] as $i => $v) //salva em $organizer as informações do organizador      
                    if(($v['isOrganizer'] === '1') && ($organizer = $v) ) break;
                    
                
                if( $pUpdated['status'] != STATUS_UNANSWERED)
                self::participantStatusChange( $pUpdated['id'] , $schedulable , $organizer , $pUpdated['status'] );    
            }
        }
    }
    

    /**
    * Monta o email de convite que sera enviado ao participant
    *
    * @license    http://www.gnu.org/copyleft/gpl.html GPL
    * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
    * @sponsor    Caixa Econômica Federal
    * @author     Cristiano Corrêa Schmidt
    * @return     void
    * @access     public
    */
    public static function participantCreated( &$partID , &$schedulable )
    {
        
           $part = false;
           if( Config::regGet('ical://'.$schedulable['id'].'/REQUEST') === false ) //Verifica se o ical ja não esta no reg
           {
                  $schedulable['URI']['concept'] = 'schedulable';
                  $ical['source'] = Controller::format( array( 'service' => 'iCal' ) , array($schedulable) , array('method' => 'REQUEST') );  
                  $ical['type'] = 'text/calendar';
                  $ical['name'] = 'calendar.ics';
                  Config::regSet('ical://'.$schedulable['id'].'/REQUEST', $ical);
           }
           else
                $ical = Config::regGet('ical://'.$schedulable['id'].'/REQUEST');
        
           $timezone = new DateTimeZone('UTC');
           $sTime = new DateTime( '@'.(int)($schedulable['startTime'] / 1000) , $timezone );
           $eTime =  new DateTime( '@'.(int)($schedulable['endTime'] / 1000) , $timezone ); 
           
           if(isset($schedulable['timezone']))
           {
               $sTime->setTimezone(new DateTimeZone($schedulable['timezone']));
               $eTime->setTimezone(new DateTimeZone($schedulable['timezone']));
           }
            
           $attList = '<UL> ';
           foreach ($schedulable['participants'] as $i => $v)  
           {   
                if($part === false && $v['id'] == $partID)
                   $part = $v;

                $attList .= ' <LI> '. (isset($v['user']['name']) ? $v['user']['name'] : $v['user']['mail']) ;
           }
           $attList .= '</UL>';
                            
           $data = array(     'startDate' =>  date_format( $sTime , 'd/m/Y') ,
                              'startTime' =>  ($schedulable['allDay']) ? '' : date_format( $sTime , 'H:i') ,
                              'endDate' =>  date_format( $eTime , 'd/m/Y') ,
                              'endTime' =>  ($schedulable['allDay']) ? '' :  date_format( $eTime , 'H:i') ,
                              'eventTitle' =>  $schedulable['summary'],
                              'eventLocation' =>  $schedulable['location'],
                              'timezone' =>  ($schedulable['timezone']) ? $schedulable['timezone'] : 'UTC' ,
                              'participants' =>  $attList);
            
             $subject['notificationType'] = 'Convite de Calendario';
             $subject['eventTitle'] = mb_convert_encoding($schedulable['summary'],'ISO-8859-1','ISO-8859-1,UTF-8');
             $subject['startDate'] = date_format( $sTime , 'd/m/Y');
             $subject['startTime'] = ($schedulable['allDay']) ? '' : date_format( $sTime , 'H:i');
             $subject['endDate'] = date_format( $eTime , 'd/m/Y');
             $subject['endTime'] = ($schedulable['allDay']) ? '' : date_format( $eTime , 'H:i');
             $subject['participant'] = Config::me('uid');
 
             self::sendMail($data, $ical , $part['user']['mail'] , $subject , 'notify_create_body');
       
    }
    
    /**
    * Monta o email de aceito que sera enviado ao organizador 
    *
    * @license    http://www.gnu.org/copyleft/gpl.html GPL
    * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
    * @sponsor    Caixa Econômica Federal
    * @author     Cristiano Corrêa Schmidt
    * @return     void
    * @access     public
    */
    public static function participantStatusChange( &$partID , &$schedulable , &$organizer , $type )
    {
        $part = false;
        
        foreach ($schedulable['participants'] as $i => $v) //salva em $part as informações do participant a ser notificado     
            if(($v['id'] == $partID) && ($part = $v) ) break;
            
        if( Config::regGet('ical://'.$schedulable['id'].'/REPLY') === false ) //Verifica se o ical ja não esta no reg
        {
                  $schedulable['URI']['concept'] = 'schedulable';
                  $ical['source'] = Controller::format( array( 'service' => 'iCal' ) , array($schedulable) , array('method' => 'REPLY' , 'participant' => $partID) );  
                  $ical['type'] = 'text/calendar';
                  $ical['name'] = 'calendar.ics';
                  Config::regSet('ical://'.$schedulable['id'].'/REPLY', $ical);
         }
         else
            $ical = Config::regGet('ical://'.$schedulable['id'].'/REPLY');
        
        
        $timezone = new DateTimeZone('UTC');
        $sTime = new DateTime( '@'.(int)($schedulable['startTime'] / 1000) , $timezone );
        $eTime =  new DateTime( '@'.(int)($schedulable['endTime'] / 1000) , $timezone ); 
        
        if(isset($schedulable['timezone']))
        {
            $sTime->setTimezone(new DateTimeZone($schedulable['timezone']));
            $eTime->setTimezone(new DateTimeZone($schedulable['timezone']));
        }
        
        $data = array('startDate' =>  date_format( $sTime , 'd/m/Y') ,
                          'startTime' =>  ($schedulable['allDay']) ? '' : date_format( $sTime , 'H:i') ,
                          'endDate' =>  date_format( $eTime , 'd/m/Y') ,
                          'endTime' =>  ($schedulable['allDay']) ? '' :  date_format( $eTime , 'H:i') ,
                          'eventTitle' =>  $schedulable['summary'],
                          'eventLocation' =>  $schedulable['location'],
                          'timezone' =>  ($schedulable['timezone']) ? $schedulable['timezone'] : 'UTC' ,
                          'participant' =>  (isset($part['user']['name']) ? $part['user']['name'] : $part['user']['mail']) );
          
        $subject['notificationType'] = 'Convite Aceito';
        $subject['eventTitle'] = mb_convert_encoding($schedulable['summary'],'ISO-8859-1','ISO-8859-1,UTF-8');
        $subject['startDate'] = date_format( $sTime , 'd/m/Y');
        $subject['startTime'] = ($schedulable['allDay']) ? '' : date_format( $sTime , 'H:i');
        $subject['endDate'] = date_format( $eTime , 'd/m/Y');
        $subject['endTime'] = ($schedulable['allDay']) ? '' : date_format( $eTime , 'H:i');
        $subject['participant'] = Config::me('uid');
          
       switch($type)
       {
            case STATUS_ACCEPTED:
                $tpl =   'notify_accept_body';
                $subject['notificationType'] = 'Convite Aceito';
            break;
            case STATUS_TENATIVE:
                $tpl =   'notify_attempt_body';
                $subject['notificationType'] = 'Convite  aceito provisoriamente';
            break;
            case STATUS_CANCELLED:
                $tpl =   'notify_reject_body';
                $subject['notificationType'] = 'Convite rejeitado';
            break;

       }
        
        self::sendMail($data, $ical , $organizer['user']['mail'] , $subject , $tpl);
    }
    
    /**
    * Monta o body e envia o email 
    *
    * @license    http://www.gnu.org/copyleft/gpl.html GPL
    * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
    * @sponsor    Caixa Econômica Federal
    * @author     Cristiano Corrêa Schmidt
    * @return     void
    * @access     public
    */
    private static function sendMail(&$data , &$ical , $to ,  &$subject , $template )
    { 
       $mail['attachments'][] = $ical;
       $mail['isHtml'] = true;                         
       $mail['body'] = parseTPL::load_tpl( $data ,ROOTPATH.'/modules/calendar/templates/'.$template.'.tpl');
       $mail['subject'] = parseTPL::load_tpl( $subject ,ROOTPATH.'/modules/calendar/templates/notify_subject.tpl');;
       $mail['from'] = Config::me('mail');   
       $mail['to'] = $to;
       Controller::create( array( 'service' => 'SMTP' ), $mail ); 
    }
    
  
    /**
    * Monta o email de cancelado que sera enviado a todos os participantes 
    *
    * @license    http://www.gnu.org/copyleft/gpl.html GPL
    * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
    * @sponsor    Caixa Econômica Federal
    * @author     Cristiano Corrêa Schmidt
    * @return     void
    * @access     public
    */
    public function deleteEvent( &$uri , &$result , &$params , $original  )
    {		
       $schedulable =  Controller::read(  array( 'concept' => 'schedulable' , 'id' => $uri['id'] ) , null , array('deepness' => '2') ) ;
       if((Config::regGet('noAlarm') === false) && (self::futureEvent( $schedulable['startTime'] , $schedulable['rangeEnd'])))
       {
           $schedulable['URI']['concept'] = 'schedulable'; 
           $timezone = new DateTimeZone('UTC');
           $sTime = new DateTime( '@'.(int)($schedulable['startTime'] / 1000) , $timezone );
           $eTime =  new DateTime( '@'.(int)($schedulable['endTime'] / 1000) , $timezone ); 
           
           if(isset($schedulable['timezone']))
           {
               $sTime->setTimezone(new DateTimeZone($schedulable['timezone']));
               $eTime->setTimezone(new DateTimeZone($schedulable['timezone']));
           }
           
           $data =  array('startDate' =>  date_format( $sTime , 'd/m/Y') ,
                              'startTime' =>  ($schedulable['allDay']) ? '' : date_format( $sTime , 'H:i') ,
                              'endDate' =>  date_format( $eTime , 'd/m/Y') ,
                              'endTime' =>  ($schedulable['allDay']) ? '' : date_format( $eTime , 'H:i') ,
                              'eventTitle' =>  $schedulable['summary'],
                              'eventLocation' =>  $schedulable['location'],
                              'timezone' =>  ($schedulable['timezone']) ? $schedulable['timezone'] : 'UTC');
                              
           
           $ical['source'] = Controller::format( array( 'service' => 'iCal' ) , array($schedulable) , array('method' => 'CANCEL'));  
           $ical['type'] = 'text/calendar';
           $ical['name'] = 'calendar.ics';
           
           foreach ($schedulable['participants'] as $ii => $participant)
                if(Config::me('mail') !== $participant['user']['mail'])
                    $to[] = $participant['user']['mail'];
                    
             $subject['notificationType'] = 'Cancelamento de Calendario';
             $subject['eventTitle'] = mb_convert_encoding($schedulable['summary'],'ISO-8859-1','ISO-8859-1,UTF-8');
             $subject['startDate'] = date_format( $sTime , 'd/m/Y');
             $subject['startTime'] = ($schedulable['allDay']) ? '' : date_format( $sTime , 'H:i');
             $subject['endDate'] = date_format( $eTime , 'd/m/Y');
             $subject['endTime'] = ($schedulable['allDay']) ? '' : date_format( $eTime , 'H:i');
             $subject['participant'] = Config::me('uid');     
                
           if(count($to) > 0)
            self::sendMail($data, $ical , implode(',' , $to) ,$subject, 'notify_cancel_body');
       }
    }
    
    /**
    * Monta o email de cancelado que sera enviado ao participant deleteado 
    *
    * @license    http://www.gnu.org/copyleft/gpl.html GPL
    * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
    * @sponsor    Caixa Econômica Federal
    * @author     Cristiano Corrêa Schmidt
    * @return     void
    * @access     public
    */
    public function deleteParticipant( &$uri , &$result , &$params , $original  )
    {
       
       $participant =  Controller::read(  array( 'concept' => 'participant' , 'id' => $uri['id'] ) , null , array('deepness' => '1') ) ;
       $schedulable =  Controller::read(  array( 'concept' => 'schedulable' , 'id' => $participant['schedulable'] ) ) ;
              
       if((Config::regGet('noAlarm') === false) && (self::futureEvent( $schedulable['startTime'] , $schedulable['rangeEnd'])))
       {  
           $schedulable['URI']['concept'] = 'schedulable'; 
           $timezone = new DateTimeZone('UTC');
           $sTime = new DateTime( '@'.(int)($schedulable['startTime'] / 1000) , $timezone );
           $eTime =  new DateTime( '@'.(int)($schedulable['endTime'] / 1000) , $timezone ); 
           
           if(isset($schedulable['timezone']))
           {
               $sTime->setTimezone(new DateTimeZone($schedulable['timezone']));
               $eTime->setTimezone(new DateTimeZone($schedulable['timezone']));
           }
           
           $data =  array('startDate' =>  date_format( $sTime , 'd/m/Y') ,
                              'startTime' => ($schedulable['allDay']) ? '' : date_format( $sTime , 'H:i') ,
                              'endDate' =>  date_format( $eTime , 'd/m/Y') ,
                              'endTime' => ($schedulable['allDay']) ? '' : date_format( $eTime , 'H:i') ,
                              'eventTitle' =>  $schedulable['summary'],
                              'eventLocation' =>  $schedulable['location'],
                              'timezone' =>  ($schedulable['timezone']) ? $schedulable['timezone'] : 'UTC');

           $ical['source'] = Controller::format( array( 'service' => 'iCal' ) , array($schedulable) , array('method' => 'CANCEL'));  
           $ical['type'] = 'text/calendar';
           $ical['name'] = 'calendar.ics';
           
             $subject['notificationType'] = 'Cancelamento de Calendario';
             $subject['eventTitle'] = mb_convert_encoding($schedulable['summary'],'ISO-8859-1','ISO-8859-1,UTF-8');
             $subject['startDate'] = date_format( $sTime , 'd/m/Y');
             $subject['startTime'] = ($schedulable['allDay']) ? '' : date_format( $sTime , 'H:i');
             $subject['endDate'] = date_format( $eTime , 'd/m/Y');
             $subject['endTime'] = ($schedulable['allDay']) ? '' : date_format( $eTime , 'H:i');
             $subject['participant'] = Config::me('uid');
                          
           self::sendMail($data, $ical , $participant['user']['mail'] , $subject , 'notify_cancel_body');  
        }
    }
    
    /**
    * Faz um diff do update se ouve realmente uma alteração envia um email a todos os participants
    *
    * @license    http://www.gnu.org/copyleft/gpl.html GPL
    * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
    * @sponsor    Caixa Econômica Federal
    * @author     Cristiano Corrêa Schmidt
    * @return     void
    * @access     public
    */
    public function updateEvent( &$uri , &$params , &$criteria , $original  )
    {
       
       $schedulableOld =  Controller::read( array( 'concept' => 'schedulable' , 'id' => $uri['id'] ) , null , array('deepness' => '2') ) ;      
       $schedulable = $schedulableOld;
       $alt = false;
       
      
       foreach ($params as $i => $v) //Verifica se ouve alteração no evento
           if( isset( $schedulableOld[$i] ) && $schedulableOld[$i] != $v && $i != 'participants')
           {
               $schedulable[$i] = $v;
               $alt = true;   
           }
           
       if ( ($alt === true) && (Config::regGet('noAlarm') === false) && (self::futureEvent($schedulable['startTime'], $schedulable['rangeEnd'])) ) 
       {
            $schedulable['URI']['concept'] = 'schedulable';
            $ical['source'] = Controller::format(array('service' => 'iCal'), array($schedulable), array('method' => 'REQUEST'));
            $ical['type'] = 'text/calendar';
            $ical['name'] = 'calendar.ics';

            $timezone = new DateTimeZone('UTC');
            $sTime = new DateTime('@' . (int) ($schedulable['startTime'] / 1000), $timezone);
            $eTime = new DateTime('@' . (int) ($schedulable['endTime'] / 1000), $timezone);

            if (isset($schedulable['timezone'])) {
                $sTime->setTimezone(new DateTimeZone($schedulable['timezone']));
                $eTime->setTimezone(new DateTimeZone($schedulable['timezone']));
            }
            ///Montando lista de participantes
            $attList = '<UL> ';
            foreach ($schedulable['participants'] as $ii => $participant)
                $attList .= ' <LI> ' . (isset($participant['user']['name']) ? $participant['user']['name'] : $participant['user']['mail']);
            $attList .= ' </UL>';
            /////////////////////////

            $data = array('startDate' => date_format($sTime, 'd/m/Y'),
                'startTime' => ($schedulable['allDay']) ? '' : date_format($sTime, 'H:i'),
                'endDate' => date_format($eTime, 'd/m/Y'),
                'endTime' => ($schedulable['allDay']) ? '' : date_format($eTime, 'H:i'),
                'eventTitle' => $schedulable['summary'],
                'eventLocation' => $schedulable['location'],
                'timezone' => ($schedulable['timezone']) ? $schedulable['timezone'] : 'UTC',
                'participants' => $attList
            );


            foreach ($schedulable['participants'] as $ii => $participant)
                if (Config::me('mail') !== $participant['user']['mail'])
                    $to[] = $participant['user']['mail'];

            $subject['notificationType'] = 'Modificação de Calendario';
            $subject['eventTitle'] = mb_convert_encoding($schedulable['summary'],'ISO-8859-1','ISO-8859-1,UTF-8');
            $subject['startDate'] = date_format($sTime, 'd/m/Y');
            $subject['startTime'] = ($schedulable['allDay']) ? '' : date_format($sTime, 'H:i');
            $subject['endDate'] = date_format($eTime, 'd/m/Y');
            $subject['endTime'] = ($schedulable['allDay']) ? '' : date_format($eTime, 'H:i');
            $subject['participant'] = Config::me('uid');
             
            if ( isset($to) && count($to) > 0)
                self::sendMail($data, $ical, implode(',', $to), $subject, 'notify_modify_body');
        }
    }
}

?>