luos/workflow/engine/classes/class.tasks.php

<?php

/**
 * class.tasks.php
 *
 * @package workflow.engine.ProcessMaker
 *
 * 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/GroupUser.php';
require_once 'classes/model/Groupwf.php';
require_once 'classes/model/ObjectPermission.php';
require_once 'classes/model/Process.php';
require_once 'classes/model/Route.php';
require_once 'classes/model/Event.php';
require_once 'classes/model/Step.php';
require_once 'classes/model/StepTrigger.php';
require_once 'classes/model/Task.php';
require_once 'classes/model/TaskUser.php';
require_once 'classes/model/Users.php';
require_once 'classes/model/Gateway.php';

/**
 * Tasks - Tasks class
 *
 * @package workflow.engine.ProcessMaker
 * @author Julio Cesar Laura Avenda<EFBFBD>o
 * @copyright 2007 COLOSA
 */
class Tasks
{

    /**
     * Get the assigned groups of a task
     *
     * @param string $sTaskUID
     * @param integer $iType
     * @return array
     */
    public function getGroupsOfTask($sTaskUID, $iType)
    {
        try {
            $aGroups = array();
            $oCriteria = new Criteria('workflow');
            $oCriteria->addJoin(GroupwfPeer::GRP_UID, TaskUserPeer::USR_UID, Criteria::LEFT_JOIN);
            $oCriteria->add(TaskUserPeer::TAS_UID, $sTaskUID);
            $oCriteria->add(TaskUserPeer::TU_TYPE, $iType);
            $oCriteria->add(TaskUserPeer::TU_RELATION, 2);
            $oCriteria->add(GroupwfPeer::GRP_STATUS, 'ACTIVE');
            $oDataset = GroupwfPeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                $aGroups[] = $aRow;
                $oDataset->next();
            }
            return $aGroups;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Get all tasks for any Process
     *
     * @param string $sProUid
     * @return array
     */
    public function getAllTasks($sProUid)
    {
        try {
            $aTasks = array();
            $oCriteria = new Criteria('workflow');
            $oCriteria->addSelectColumn( TaskPeer::TAS_UID );
            $oCriteria->add(TaskPeer::PRO_UID, $sProUid);
            $oCriteria->addAscendingOrderByColumn(TaskPeer::TAS_TITLE);
            $oDataset = TaskPeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                $oTask = new Task();
                $pTask = $oTask->load($aRow['TAS_UID']);
                unset($pTask['TAS_ID']);
                $aTasks[] = $pTask;
                $oDataset->next();
            }
            return $aTasks;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * creates row tasks from an Task Array
     *
     * @param string $aTasks
     * @return array
     */
    public function createTaskRows($aTask)
    {
        foreach ($aTask as $key => $row) {
            $oTask = new Task();
            if ($oTask->taskExists($row['TAS_UID'])) {
                $oTask->remove($row['TAS_UID']);
            }
            $res = $oTask->createRow($row);
        }
        return;
    }

    /**
     * updates row tasks from an Task Array
     *
     * @param string $aTasks
     * @return array
     */
    public function updateTaskRows($aTask)
    {
        foreach ($aTask as $key => $row) {
            $oTask = new Task();
            if ($oTask->taskExists($row['TAS_UID'])) {
                $oTask->remove($row['TAS_UID']);
            } else {
                $res = $oTask->update($row);
            }
        }
        return;
    }

    /**
     * updates row tasks from an Task Array
     *
     * @param string $aTasks
     * @return array
     */
    public function addNewTaskRows($aTask)
    {
        foreach ($aTask as $key => $row) {
            $oTask = new Task();
            if (!$oTask->taskExists($row['TAS_UID'])) {
                $res = $oTask->create($row);
            }
        }
        return;
    }


    /**
     * Get all Routes for any Process
     *
     * @param string $sProUid
     * @return array
     */
    public function getAllRoutes($sProUid)
    {
        try {
            $aRoutes = array();
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(RoutePeer::PRO_UID, $sProUid);
            $oDataset = RoutePeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                $aRoutes[] = $aRow;
                $oDataset->next();
            }
            return $aRoutes;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * creates row tasks from an Route Array
     *
     * @param string $aTasks
     * @return array
     */
    public function createRouteRows($aRoutes)
    {
        $routeID = array();
        $aField = array();
        $taskParallel = '';
        $taskSecJoin = '';
        $taskEvaluate = '';
        $taskParallelEv = '';
        $taskSelect = '';
        $taskDiscriminator = '';
        foreach ($aRoutes as $key => $row) {
            $sRouteType = $row['ROU_TYPE'];
            $oRoute = new Route();
            $oProcessMap = new ProcessMap();
            $oTask = new Task();
            $oEvent = new Event();
            //unset ($row['ROU_UID']);
            //Saving Gateway into the GATEWAY table
            $idTask = $row['TAS_UID'];
            $nextTask = $row['ROU_NEXT_TASK'];
            if ($nextTask == "-1") {
                $end = 1;
            }
            if ($sRouteType != 'SEQUENTIAL') {
                switch ($sRouteType) {
                    case 'PARALLEL':
                        if ($idTask != $taskParallel) {
                            $taskParallel = $idTask;

                            $sGatewayUID = $oProcessMap->saveNewGateway($row['PRO_UID'], $row['TAS_UID'], $row['ROU_NEXT_TASK']);
                        }
                        break;
                    case 'SEC-JOIN':
                        if ($nextTask != $taskSecJoin) {
                            $taskSecJoin = $nextTask;
                            $sGatewayUID = $oProcessMap->saveNewGateway($row['PRO_UID'], $row['TAS_UID'], $row['ROU_NEXT_TASK']);
                        }
                        break;
                    case 'EVALUATE':
                        if ($idTask != $taskEvaluate) {
                            $taskEvaluate = $idTask;
                            $sGatewayUID = $oProcessMap->saveNewGateway($row['PRO_UID'], $row['TAS_UID'], $row['ROU_NEXT_TASK']);
                        }
                        break;
                    case 'PARALLEL-BY-EVALUATION':
                        if ($idTask != $taskParallelEv) {
                            $taskParallelEv = $idTask;
                            $sGatewayUID = $oProcessMap->saveNewGateway($row['PRO_UID'], $row['TAS_UID'], $row['ROU_NEXT_TASK']);
                        }
                        break;
                    case 'SELECT':
                        if ($idTask != $taskSelect) {
                            $taskSelect = $idTask;
                            $sGatewayUID = $oProcessMap->saveNewGateway($row['PRO_UID'], $row['TAS_UID'], $row['ROU_NEXT_TASK']);
                        }
                        break;
                    case 'DISCRIMINATOR':
                        if ($nextTask != $taskDiscriminator) {
                            $taskDiscriminator = $nextTask;
                            $sGatewayUID = $oProcessMap->saveNewGateway($row['PRO_UID'], $row['TAS_UID'], $row['ROU_NEXT_TASK']);
                        }
                        break;
                }
                $row['GAT_UID'] = $sGatewayUID;
            }

            if ($oRoute->routeExists($row['ROU_UID'])) {
                $oRoute->remove($row['ROU_UID']);
            }

            $routeID = $oRoute->create($row);

            //saving end event while import old processes
            if (isset($end) && $end == 1) {
                if (!$oEvent->existsByTaskUidFrom($idTask)) {
                    if ($sRouteType == "SEQUENTIAL") {
                        $aTaskDetails = $oTask->load($idTask);
                        $positionX = $aTaskDetails['TAS_POSX'] + $aTaskDetails['TAS_WIDTH'] / 2;
                        $positionY = $aTaskDetails['TAS_POSY'] + $aTaskDetails['TAS_HEIGHT'] + 10;

                        $aData['PRO_UID'] = $row['PRO_UID'];
                        $aData['EVN_TYPE'] = 'bpmnEventEmptyEnd';
                        $aData['EVN_POSX'] = $positionX;
                        $aData['EVN_POSY'] = $positionY;
                        $aData['EVN_TAS_UID_FROM'] = $idTask;
                        $aData['EVN_STATUS'] = 'ACTIVE';
                        $aData['EVN_RELATED_TO'] = 'MULTIPLE';
                        $aData['EVN_WHEN'] = '1';
                        $aData['EVN_ACTION'] = '';
                        $sEvn_uid = $oEvent->create($aData);

                        $aField['ROU_UID'] = $routeID;
                        $aField['ROU_EVN_UID'] = $sEvn_uid;
                        $oRoute->update($aField);
                        $end = 0;
                    }
                }
            }
        }
        return;
    }

    /**
     * updates row tasks from an Route Array
     *
     * @param string $aRoutes
     * @return array
     */
    public function updateRouteRows($aRoutes)
    {
        foreach ($aRoutes as $key => $row) {
            $oRoute = new Route();
            //krumo ($row);
            if (is_array($oRoute->load($row['ROU_UID']))) {
                $oRoute->remove($row['ROU_UID']);
            } else {
                $res = $oRoute->update($row);
            }
        }
        return;
    }

    /**
     * Get the assigned users of a task
     *
     * @param string $sTaskUID
     * @param integer $iType
     * @return array
     */
    public function getUsersOfTask($sTaskUID, $iType)
    {
        try {
            $aUsers = array();
            $oCriteria = new Criteria('workflow');
            $oCriteria->addJoin(UsersPeer::USR_UID, TaskUserPeer::USR_UID, Criteria::LEFT_JOIN);
            $oCriteria->add(TaskUserPeer::TAS_UID, $sTaskUID);
            $oCriteria->add(TaskUserPeer::TU_TYPE, $iType);
            $oCriteria->add(TaskUserPeer::TU_RELATION, 1);
            $oDataset = UsersPeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                $aUsers[] = $aRow;
                $oDataset->next();
            }
            return $aUsers;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Delete a task
     *
     * @param string $sTaskUID
     * @return void
     */
    public function deleteTask($sTaskUID = '')
    {
        try {
            //Instance classes
            $oTask = new Task();
            $oTasks = new Tasks();
            $oTaskUser = new TaskUser();
            $oStep = new Step();
            $oStepTrigger = new StepTrigger();
            //Get task information
            $aFields = $oTask->load($sTaskUID);
            //Delete routes
            $oTasks->deleteAllRoutesOfTask($aFields['PRO_UID'], $sTaskUID, true);
            //Delete gateways
            $oTasks->deleteAllGatewayOfTask($aFields['PRO_UID'], $sTaskUID, true);
            //Delete the users assigned to task
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(TaskUserPeer::TAS_UID, $sTaskUID);
            $oDataset1 = TaskUserPeer::doSelectRS($oCriteria);
            $oDataset1->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset1->next();
            while ($aRow1 = $oDataset1->getRow()) {
                $oTaskUser->remove($aRow1['TAS_UID'], $aRow1['USR_UID'], $aRow1['TU_TYPE'], $aRow1['TU_RELATION']);
                $oDataset1->next();
            }
            //Delete the steps of task
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(StepPeer::TAS_UID, $sTaskUID);
            $oDataset1 = StepPeer::doSelectRS($oCriteria);
            $oDataset1->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset1->next();
            while ($aRow1 = $oDataset1->getRow()) {
                //Delete the triggers assigned to step
                /* $oCriteria = new Criteria('workflow');
                  $oCriteria->add(StepTriggerPeer::STEP_UID, $aRow1['STEP_UID']);
                  $oDataset2 = StepTriggerPeer::doSelectRS($oCriteria);
                  $oDataset2->setFetchmode(ResultSet::FETCHMODE_ASSOC);
                  $oDataset2->next();
                  while ($aRow2 = $oDataset2->getRow()) {
                  $oStepTrigger->remove($aRow2['STEP_UID'], $aRow2['TAS_UID'], $aRow2['TRI_UID'], $aRow2['ST_TYPE']);
                  $oDataset2->next();
                  } */
                $oStep->remove($aRow1['STEP_UID']);
                $oDataset1->next();
            }
            //Delete step triggers
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(StepTriggerPeer::TAS_UID, $sTaskUID);
            StepTriggerPeer::doDelete($oCriteria);
            //Delete permissions
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(ObjectPermissionPeer::TAS_UID, $sTaskUID);
            ObjectPermissionPeer::doDelete($oCriteria);
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(ObjectPermissionPeer::OP_TASK_SOURCE, $sTaskUID);
            ObjectPermissionPeer::doDelete($oCriteria);

            //Delete Cases Schedulers
            $criteria = new Criteria("workflow");

            $criteria->add(CaseSchedulerPeer::TAS_UID, $sTaskUID, Criteria::EQUAL);

            $result = CaseSchedulerPeer::doDelete($criteria);

            //Delete Configuration
            $criteria = new Criteria("workflow");

            $criteria->add(ConfigurationPeer::OBJ_UID, $sTaskUID, Criteria::EQUAL);

            $result = ConfigurationPeer::doDelete($criteria);

            //Delete task
            $oTask->remove($sTaskUID);
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Delete all routes from a task
     *
     * @param string $sProcessUID
     * @param string $sTaskUID
     * @return boolean
     */
    public function deleteAllRoutesOfTask($sProcessUID = '', $sTaskUID = '', $bAll = false)
    {
        try {
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(RoutePeer::PRO_UID, $sProcessUID);
            $oCriteria->add(RoutePeer::TAS_UID, $sTaskUID);
            RoutePeer::doDelete($oCriteria);

            if ($bAll) {
                $oCriteria = new Criteria('workflow');
                $oCriteria->add(RoutePeer::PRO_UID, $sProcessUID);
                $oCriteria->add(RoutePeer::ROU_NEXT_TASK, $sTaskUID);
                RoutePeer::doDelete($oCriteria);
            }
            return true;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Get all gateways for any Process
     *
     * @param string $sProUid
     * @return array
     */
    public function getAllGateways($sProUid)
    {
        try {
            $aGateways = array();
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(GatewayPeer::PRO_UID, $sProUid);
            $oDataset = GatewayPeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                $oGateway = new Gateway();
                $aGateways[] = $oGateway->load($aRow['GAT_UID']);
                $oDataset->next();
            }
            return $aGateways;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * creates row tasks from an Task Array
     *
     * @param string $aTasks
     * @return array
     */
    public function createGatewayRows($aGateway)
    {
        foreach ($aGateway as $key => $row) {
            $oGateway = new Gateway();
            if ($oGateway->gatewayExists($row['GAT_UID'])) {
                $oGateway->remove($row['GAT_UID']);
            }

            if ($row['TAS_UID'] != '' && $row['GAT_NEXT_TASK'] != '') {
                continue;
            } else {
                $res = $oGateway->createRow($row);
            }
        }
        return;
    }

    /**
     * Delete all routes from a task
     *
     * @param string $sProcessUID
     * @param string $sTaskUID
     * @return boolean
     */
    public function deleteAllGatewayOfTask($sProcessUID = '', $sTaskUID = '', $bAll = false)
    {
        try {
            $oProcess = new Process();
            $aFields = $oProcess->load($sProcessUID);
            $oTask = new Task();
            $aFields = $oTask->load($sTaskUID);
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(GatewayPeer::PRO_UID, $sProcessUID);
            $oCriteria->add(GatewayPeer::TAS_UID, $sTaskUID);
            GatewayPeer::doDelete($oCriteria);
            if ($bAll) {
                $oCriteria = new Criteria('workflow');
                $oCriteria->add(GatewayPeer::PRO_UID, $sProcessUID);
                $oCriteria->add(GatewayPeer::GAT_NEXT_TASK, $sTaskUID);
                GatewayPeer::doDelete($oCriteria);
            }
            return true;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Assign a user to task
     *
     * @param string $sTaskUID
     * @param string $sUserUID
     * @param string $iType
     * @return integer
     */
    public function assignUser($sTaskUID = '', $sUserUID = '', $iType = '')
    {
        try {
            $oTaskUser = new TaskUser();
            return $oTaskUser->create(array('TAS_UID' => $sTaskUID, 'USR_UID' => $sUserUID, 'TU_TYPE' => $iType, 'TU_RELATION' => 1));
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Assign a group to task
     *
     * @param string $sTaskUID
     * @param string $sGroupUID
     * @param string $iType
     * @return integer
     */
    public function assignGroup($sTaskUID = '', $sGroupUID = '', $iType = '')
    {
        try {
            $oTaskUser = new TaskUser();
            /* $oCriteria = new Criteria('workflow');
              $oCriteria->add(GroupUserPeer::GRP_UID, $sGroupUID);
              $oDataset = GroupUserPeer::doSelectRS($oCriteria);
              $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
              $oDataset->next();
              while ($aGroupUser = $oDataset->getRow()) {
              $oCriteria = new Criteria('workflow');
              $oCriteria->add(TaskUserPeer::TAS_UID, $sTaskUID);
              $oCriteria->add(TaskUserPeer::USR_UID, $aGroupUser['USR_UID']);
              $oDataset2 = TaskUserPeer::doSelectRS($oCriteria);
              $oDataset2->setFetchmode(ResultSet::FETCHMODE_ASSOC);
              $oDataset2->next();
              $aRow = $oDataset2->getRow();
              if (!is_array($aRow)) {
              $this->assignUser($sTaskUID, $aGroupUser['USR_UID'], $iType);
              }
              $oDataset->next();
              } */
            return $oTaskUser->create(array('TAS_UID' => $sTaskUID, 'USR_UID' => $sGroupUID, 'TU_TYPE' => $iType, 'TU_RELATION' => 2
            ));
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * of the assign user of all the tasks
     *
     * @param string $sUserUID
     * @return void
     */
    public function ofToAssignUserOfAllTasks($sUserUID = '')
    {
        try {
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(TaskUserPeer::USR_UID, $sUserUID);
            TaskUserPeer::doDelete($oCriteria);
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Of to assign a user from a task
     *
     * @param string $sTaskUID
     * @param string $sUserUID
     * @param integer $iType
     * @return boolean
     */
    public function ofToAssignUser($sTaskUID = '', $sUserUID = '', $iType = 0)
    {
        try {
            $oTaskUser = new TaskUser();
            $oTaskUser->remove($sTaskUID, $sUserUID, $iType, 1);
            return true;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Of to assign a group from a task
     *
     * @param string $sTaskUID
     * @param string $sGroupUID
     * @param integer $iType
     * @return boolean
     */
    public function ofToAssignGroup($sTaskUID = '', $sGroupUID = '', $iType = 0)
    {
        try {
            $oTaskUser = new TaskUser();
            return $oTaskUser->remove($sTaskUID, $sGroupUID, $iType, 2);
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Get the assigned steps of a task
     *
     * @param string $sTaskUID
     * @return array
     */
    public function getStepsOfTask($sTaskUID)
    {
        try {
            $aSteps = array();
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(StepPeer::TAS_UID, $sTaskUID);
            $oCriteria->addAscendingOrderByColumn(StepPeer::STEP_POSITION);
            $oDataset = StepPeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                $aSteps[] = $aRow;
                $oDataset->next();
            }
            return $aSteps;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Return if exists building elements to add steps
     *
     * @param string $sProcessUID
     * @return boolean
     */
    public function existsBuildingElements($sProcessUID)
    {
        try {
            $oCriteria = new Criteria('workflow');
            //$oCriteria->add(StepPeer::PRO_UID, $sProcessUID);
            //$oDataset = StepPeer::doSelectRS($oCriteria);
            //$oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            //$oDataset->next();
            return true;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Get all tasks for any Process
     *
     * @param string $sProUid
     * @return array
     */
    public function getStartingTaskForUser($sProUid, $sUsrUid)
    {
        try {
            $aTasks = array();
            $oCriteria = new Criteria('workflow');
            $oCriteria->addSelectColumn( TaskPeer::TAS_UID );
            $oCriteria->add(TaskPeer::PRO_UID, $sProUid);
            //$oCriteria->add(TaskPeer::TAS_USER,    $sUsrUid);
            $oCriteria->add(TaskPeer::TAS_START, 'TRUE');
            $oDataset = TaskPeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                $oTask = new Task();
                $aTasks[] = $oTask->load($aRow['TAS_UID']);
                $oDataset->next();
            }
            return $aTasks;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Verify the user assig in any task
     *
     * @param string $sTaskUID
     * @return array
     */
    public function assignUsertoTask($sTaskUID)
    {
        try {
            $oCriteria = new Criteria('workflow');
            $oCriteria->addSelectColumn(TaskUserPeer::USR_UID);
            $oCriteria->add(TaskUserPeer::TAS_UID, $sTaskUID);
            $oDataset = TaskUserPeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            $aRow = $oDataset->getRow();
            if (is_array($aRow)) {
                return 1;
            } else {
                return 0;
            }
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Verify the user assig in task
     *
     * @param string $sUsrUid, $sTaskUID
     * @return array
     */
    public function verifyUsertoTask($sUsrUid, $sTaskUID)
    {
        try {
            $oCriteria = new Criteria('workflow');
            $oCriteria->addSelectColumn(TaskUserPeer::USR_UID);
            $oCriteria->addSelectColumn(TaskUserPeer::TAS_UID);
            $oCriteria->addSelectColumn(TaskUserPeer::TU_RELATION);
            $oCriteria->add(TaskUserPeer::TAS_UID, $sTaskUID);
            $oCriteria->add(TaskUserPeer::USR_UID, $sUsrUid);
            $oDataset = TaskUserPeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            $aRow = $oDataset->getRow();
            if (is_array($aRow)) {
                return $aRow;
            } else {
                return $aRow;
            }
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Get tasks that the usser is assigned
     *
     * @param string $sUsrUID
     * @return array
     */
    public function getTasksThatUserIsAssigned($sUserUID)
    {
        try {
            $aTasks = array();
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(TaskUserPeer::USR_UID, $sUserUID);
            $oCriteria->add(TaskUserPeer::TU_RELATION, 1);
            $oDataset = TaskUserPeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                $aTasks[] = $aRow['TAS_UID'];
                $oDataset->next();
            }
            $aGroups = array();
            $oCriteria = new Criteria();
            $oCriteria->add(GroupwfPeer::GRP_UID, '', Criteria::NOT_EQUAL);
            $oCriteria->add(GroupUserPeer::USR_UID, $sUserUID);
            $oCriteria->add(GroupwfPeer::GRP_STATUS, 'ACTIVE');
            $oCriteria->addJoin(GroupUserPeer::GRP_UID, GroupwfPeer::GRP_UID, Criteria::LEFT_JOIN);
            $oDataset = GroupwfPeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                $aGroups[] = $aRow['GRP_UID'];
                $oDataset->next();
            }
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(TaskUserPeer::USR_UID, $aGroups, Criteria::IN);
            $oCriteria->add(TaskUserPeer::TU_RELATION, 2);
            $oDataset = TaskUserPeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                if (!in_array($aRow['TAS_UID'], $aTasks)) {
                    $aTasks[] = $aRow['TAS_UID'];
                }
                $oDataset->next();
            }
            return $aTasks;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Get Routes for any Process and any Task
     *
     * @param string $sProUid, $sTaskUid
     * @return array by Everth
     */
    public function getRoute($sProUid, $sTaskUid)
    {
        try {
            $aRoutes = array();
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(RoutePeer::PRO_UID, $sProUid);
            $oCriteria->add(RoutePeer::TAS_UID, $sTaskUid);
            $oDataset = RoutePeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                $aRoutes[] = $aRow;
                $oDataset->next();
            }

            return $aRoutes;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }

    /**
     * Get Routes for any Process,route type,route next task
     *
     * @param string $sProUid, $sTaskUid
     * @return array by Girish
     */
    public function getRouteByType($sProUid, $sRouteNextTaskUid, $sRouteType)
    {
        try {
            $aRoutes = array();
            $oCriteria = new Criteria('workflow');
            $oCriteria->add(RoutePeer::PRO_UID, $sProUid);
            $oCriteria->add(RoutePeer::ROU_NEXT_TASK, $sRouteNextTaskUid);
            $oCriteria->add(RoutePeer::ROU_TYPE, $sRouteType);
            $oDataset = RoutePeer::doSelectRS($oCriteria);
            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
            $oDataset->next();
            while ($aRow = $oDataset->getRow()) {
                $aRoutes[] = $aRow;
                $oDataset->next();
            }

            return $aRoutes;
        } catch (Exception $oError) {
            throw ($oError);
        }
    }
}