luos/workflow/engine/classes/model/TaskUser.php

<?php
/**
 * TaskUser.php
 *  
 * ProcessMaker Open Source Edition
 * Copyright (C) 2004 - 2008 Colosa Inc.23
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * For more information, contact Colosa Inc, 2566 Le Jeune Rd., 
 * Coral Gables, FL, 33134, USA, or email info@colosa.com.
 * 
 */

require_once 'classes/model/om/BaseTaskUser.php';
require_once 'classes/model/Content.php';

/**
 * Skeleton subclass for representing a row from the 'GROUP_USER' table.
 *
 *
 *
 * You should add additional methods to this class to meet the
 * application requirements.  This class will only be generated as
 * long as it does not already exist in the input directory.
 *
 * @package    classes.model
 */
class TaskUser extends BaseTaskUser {

  /**
   * Create the application document registry
   * @param array $aData
   * @return string
  **/
  public function create($aData)
  {
    $oConnection = Propel::getConnection(TaskUserPeer::DATABASE_NAME);
    try {
      //delete old TaskUserPeer Rows, because is not safe insert previous verify old rows.
      $criteria = new Criteria('workflow');
      $criteria->add(TaskUserPeer::TAS_UID,  $aData['TAS_UID'] );
      $criteria->add(TaskUserPeer::USR_UID,  $aData['USR_UID']  );
      $criteria->add(TaskUserPeer::TU_TYPE,  $aData['TU_TYPE']  );
      $criteria->add(TaskUserPeer::TU_RELATION,  $aData['TU_RELATION']  );
      $objects = TaskUserPeer::doSelect($criteria, $oConnection);
      $oConnection->begin();
      foreach($objects as $row) {
        $this->remove($row->getTasUid(), $row->getUsrUid(), $row->getTuType(), $row->getTuRelation() );
      }
      $oConnection->commit();
            
      
      $oTaskUser = new TaskUser();
      $oTaskUser->fromArray($aData, BasePeer::TYPE_FIELDNAME);
      if ($oTaskUser->validate()) {
        $oConnection->begin();
        $iResult = $oTaskUser->save();
        $oConnection->commit();
        return $iResult;
      }
      else {
        $sMessage = '';
        $aValidationFailures = $oTaskUser->getValidationFailures();
        foreach($aValidationFailures as $oValidationFailure) {
          $sMessage .= $oValidationFailure->getMessage() . '<br />';
        }
        throw(new Exception('The registry cannot be created!<br />'.$sMessage));
      }
    }
    catch (Exception $oError) {
      $oConnection->rollback();
      throw($oError);
    }
  }

  /**
   * Remove the application document registry
   * @param string $sTasUid
   * @param string $sUserUid
   * @return string
  **/
  public function remove($sTasUid, $sUserUid, $iType, $iRelation)
  {
    $oConnection = Propel::getConnection(TaskUserPeer::DATABASE_NAME);
    try {
      $oTaskUser = TaskUserPeer::retrieveByPK($sTasUid, $sUserUid, $iType, $iRelation);
      if (!is_null($oTaskUser))
      {
        $oConnection->begin();
        $iResult = $oTaskUser->delete();
        $oConnection->commit();
        return $iResult;
      }
      else {
        throw(new Exception('This row doesn\'t exists!'));
      }
    }
    catch (Exception $oError) {
      $oConnection->rollback();
      throw($oError);
    }
  }
  
  function TaskUserExists ($sTasUid, $sUserUid, $iType, $iRelation) {
    $con = Propel::getConnection(TaskUserPeer::DATABASE_NAME);
    try {
      $oTaskUser = TaskUserPeer::retrieveByPk($sTasUid, $sUserUid, $iType, $iRelation);
      if ( is_object($oTaskUser) && get_class ($oTaskUser) == 'TaskUser' ) {
        return true;
      }
      else {
        return false;
      }
    }
    catch (Exception $oError) {
      throw($oError);
    }
  }

} // TaskUser