<?php
/**
 * cases_Open.php
 *
 * ProcessMaker Open Source Edition
 * Copyright (C) 2004 - 2008 Colosa Inc.
 *
 * 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.
 */

if(isset( $_GET['gmail']) && $_GET['gmail'] == 1){
    $_SESSION['gmail'] = 1;
}

/* Permissions */
if ($RBAC->userCanAccess( 'PM_CASES' ) != 1) {
    switch ($RBAC->userCanAccess( 'PM_CASES' )) {
        case - 2:
            G::SendTemporalMessage( 'ID_USER_HAVENT_RIGHTS_SYSTEM', 'error', 'labels' );
            G::header( 'location: ../login/login' );
            break;
        case - 1:
        default:
            G::SendTemporalMessage( 'ID_USER_HAVENT_RIGHTS_PAGE', 'error', 'labels' );
            G::header( 'location: ../login/login' );
            break;
    }
}

$oCase = new Cases();

//cleaning the case session data
Cases::clearCaseSessionData();

try {
    //Loading data for a Jump request
    if (!isset($_GET['APP_UID']) && isset($_GET['APP_NUMBER'])) {
        $_GET['APP_UID'] = $oCase->getApplicationUIDByNumber( $_GET['APP_NUMBER'] );
        $_GET['DEL_INDEX'] = $oCase->getCurrentDelegation( $_GET['APP_UID'], $_SESSION['USER_LOGGED'] );

        //if the application doesn't exist
        if (is_null($_GET['APP_UID'])) {
            G::SendMessageText( G::LoadTranslation( 'ID_CASE_DOES_NOT_EXISTS' ), 'info' );
            G::header( 'location: casesListExtJs' );
            exit();
        }

        //if the application exists but the
        if (is_null($_GET['DEL_INDEX'])) {
            G::SendMessageText( G::LoadTranslation( 'ID_CASE_IS_CURRENTLY_WITH_ANOTHER_USER' ), 'info' );
            G::header( 'location: casesListExtJs' );
            exit();
        }
        //wrong implemented, need refactored
        //$participated = $oCase->userParticipatedInCase($_GET['APP_UID'], $_SESSION['USER_LOGGED']); ???????
    }

    $sAppUid = $_GET['APP_UID'];
    $iDelIndex = $_GET['DEL_INDEX'];
    $_action = isset($_GET['action']) ? $_GET['action'] : '';

    //loading application data
    $aFields = $oCase->loadCase( $sAppUid, $iDelIndex );

    if (!isset($_SESSION['CURRENT_TASK'])) {
        $_SESSION['CURRENT_TASK'] = $aFields['TAS_UID'];
    } elseif ($_SESSION['CURRENT_TASK'] == '') {
        $_SESSION['CURRENT_TASK'] = $aFields['TAS_UID'];
    }

    unset($_SESSION['ACTION']);
    $flagJump = '';
    if ($_action == 'jump') {
        $_SESSION['ACTION'] = 'jump';
        $flagJump = 1;
    }

    switch ($aFields['APP_STATUS']) {
        case 'DRAFT':
        case 'TO_DO':
            //Check if the case is in pause, check a valid record in table APP_DELAY
            $isPaused = AppDelay::isPaused($sAppUid, $iDelIndex);

            //Check if the case is a waiting for a SYNCHRONOUS subprocess
            $subAppData = new \SubApplication();
            $caseSubprocessPending = $subAppData->isSubProcessWithCasePending($sAppUid, $iDelIndex);

            if ($isPaused || $caseSubprocessPending) {
                //the case is paused show only the resume
                $_SESSION['APPLICATION'] = $sAppUid;
                $_SESSION['INDEX'] = $iDelIndex;
                $_SESSION['PROCESS'] = $aFields['PRO_UID'];
                $_SESSION['TASK'] = - 1;
                $_SESSION['STEP_POSITION'] = 0;
                $_SESSION['CURRENT_TASK'] = $aFields['TAS_UID'];

                require_once (PATH_METHODS . 'cases' . PATH_SEP . 'cases_Resume.php');
                exit();
            }

            /**
             * these routine is to verify if the case was acceded from advanced search list
             */

            if ($_action == 'search') {
                //verify if the case is with the current user
                $aData = AppDelegation::getCurrentUsers($sAppUid, $iDelIndex);
                if ($aData['USR_UID'] !== $_SESSION['USER_LOGGED'] && !empty($aData['USR_UID'])) {
                    //distinct "" for selfservice
                    //so we show just the resume
                    $_SESSION['alreadyDerivated'] = true;
                    $_SESSION['APPLICATION'] = $sAppUid;
                    $_SESSION['INDEX'] = $iDelIndex;
                    $_SESSION['PROCESS'] = $aFields['PRO_UID'];
                    $_SESSION['TASK'] = - 1;
                    $_SESSION['STEP_POSITION'] = 0;

                    require_once (PATH_METHODS . 'cases' . PATH_SEP . 'cases_Resume.php');
                    exit();
                }

            }

            //proceed and try to open the case
            $oAppDelegation = new AppDelegation();
            $aDelegation = $oAppDelegation->load( $sAppUid, $iDelIndex );

            //if there are no user in the delegation row, this case is in selfservice
            if ($aDelegation['USR_UID'] == "") {
                $_SESSION['APPLICATION'] = $sAppUid;
                $_SESSION['INDEX'] = $iDelIndex;
                $_SESSION['PROCESS'] = $aFields['PRO_UID'];
                $_SESSION['TASK'] = - 1;
                $_SESSION['STEP_POSITION'] = 0;
                $_SESSION['CURRENT_TASK'] = $aFields['TAS_UID'];

                //if the task is in the valid selfservice tasks for this user, then catch the case, else just view the resume
                if ($oCase->isSelfService( $_SESSION['USER_LOGGED'], $aFields['TAS_UID'], $sAppUid )) {
                    require_once (PATH_METHODS . 'cases' . PATH_SEP . 'cases_CatchSelfService.php');
                } else {
                    require_once (PATH_METHODS . 'cases' . PATH_SEP . 'cases_Resume.php');
                }

                exit();
            }

            //If the current users is in the AppDelegation row, then open the case
            if (($aDelegation['USR_UID'] == $_SESSION['USER_LOGGED']) && $_action != 'sent') {
                $_SESSION['APPLICATION'] = $sAppUid;
                $_SESSION['INDEX'] = $iDelIndex;

                if (is_null( $aFields['DEL_INIT_DATE'] )) {
                    $oCase->setDelInitDate( $sAppUid, $iDelIndex );
                    $aFields = $oCase->loadCase( $sAppUid, $iDelIndex );
                }

                $_SESSION['PROCESS'] = $aFields['PRO_UID'];
                $_SESSION['TASK'] = $aFields['TAS_UID'];
                $_SESSION['STEP_POSITION'] = 0;

                /* Redirect to next step */
                unset( $_SESSION['bNoShowSteps'] );

                /* Execute Before Triggers for first Task*/
                $oCase->getExecuteTriggerProcess($sAppUid, 'OPEN');
                /*end Execute Before Triggers for first Task*/

                $aNextStep = $oCase->getNextStep( $_SESSION['PROCESS'], $_SESSION['APPLICATION'], $_SESSION['INDEX'], $_SESSION['STEP_POSITION'] );
                $sPage = $aNextStep['PAGE'];
                G::header( 'location: ' . $sPage );

            } else {
                $_SESSION['APPLICATION'] = $sAppUid;
                $_SESSION['PROCESS'] = $aFields['PRO_UID'];
                $_SESSION['TASK'] = - 1;
                $_SESSION['bNoShowSteps'] = 1;
                $_SESSION['STEP_POSITION'] = 0;

                //When the case have another user or current user doesn't have rights to this self-service,
                //Just view the case Resume
                if ($_action === 'search' || $_action === 'to_reassign') {
                    //We need to use the index sent with the corresponding record
                    $_SESSION['INDEX'] = $iDelIndex;
                } else {
                    //Get DEL_INDEX
                    $criteria = new Criteria('workflow');
                    $criteria->addSelectColumn(AppDelegationPeer::DEL_INDEX);
                    $criteria->add(AppDelegationPeer::APP_UID, $sAppUid);
                    $criteria->add(AppDelegationPeer::DEL_LAST_INDEX , 1);
                    $rs = AppDelegationPeer::doSelectRS($criteria);
                    $rs->setFetchmode(ResultSet::FETCHMODE_ASSOC);
                    $rs->next();
                    $row = $rs->getRow();
                    $_SESSION['INDEX'] = $row['DEL_INDEX'];
                }

                $Fields = $oCase->loadCase($_SESSION['APPLICATION'], $_SESSION['INDEX'], $flagJump);

                $_SESSION['CURRENT_TASK'] = $Fields['TAS_UID'];
                require_once (PATH_METHODS . 'cases' . PATH_SEP . 'cases_Resume.php');

            }
            break;
        default: //APP_STATUS IS COMPLETED OR CANCELLED
            $_SESSION['APPLICATION'] = $sAppUid;
            $_SESSION['INDEX'] = $oCase->getCurrentDelegationCase( $_GET['APP_UID'] );
            $_SESSION['PROCESS'] = $aFields['PRO_UID'];
            $_SESSION['TASK'] = - 1;
            $_SESSION['STEP_POSITION'] = 0;
            $Fields = $oCase->loadCase($_SESSION['APPLICATION'], $_SESSION['INDEX'], $flagJump);
            $_SESSION['CURRENT_TASK'] = $Fields['TAS_UID'];

            require_once (PATH_METHODS . 'cases' . PATH_SEP . 'cases_Resume.php');
    }
} catch (Exception $e) {
    $aMessage = array ();
    $aMessage['MESSAGE'] = $e->getMessage();
    $G_PUBLISH = new Publisher();
    $G_PUBLISH->AddContent( 'xmlform', 'xmlform', 'login/showMessage', '', $aMessage );
    G::RenderPage( 'publishBlank', 'blank' );
}