<?
/**
 * processes_ImportFile.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.
 *
 */
  ini_set('max_execution_time', '0');

  $action = isset($_REQUEST['ajaxAction']) ? $_REQUEST['ajaxAction'] : null;

  $result               = new stdClass();
  $result->success      = true;
  $result->catchMessage = "";

  if ( $action == "uploadFileNewProcess") {
    try {
      //type of file, bpmn, xpdl, or pm
      $processFileType   = $_REQUEST["processFileType"];
      $oProcess          = new stdClass();
      $oData             = new stdClass();
      
      $isCorrectTypeFile = 1;
      
      if ( isset($_FILES['form']['type']['PROCESS_FILENAME']) ) {
        $allowedExtensions = array($processFileType);
        $allowedExtensions = array( 'xpdl', 'bpmn', 'pm');
        if (!in_array(end(explode(".", $_FILES['form']['name']['PROCESS_FILENAME'])), $allowedExtensions)) {
          throw new Exception(G::LoadTranslation("ID_FILE_UPLOAD_INCORRECT_EXTENSION"));
        }
      }
      if ($processFileType != "pm" && $processFileType != "xpdl" && $processFileType != "bpmn" ) {
        throw new Exception(G::LoadTranslation("ID_ERROR_UPLOAD_FILE_CONTACT_ADMINISTRATOR"));
      }

      if ($processFileType == "pm") {
        G::LoadClass('processes');
        $oProcess = new Processes();
      }

      if ($processFileType == "xpdl") {
        G::LoadClass('xpdl');
        $oProcess = new Xpdl();
      }

      $result->success = true;
      $result->ExistProcessInDatabase = "";  //"" -Default
                                             //0 -Dont exist process
                                             //1 -exist process
      $result->ExistGroupsInDatabase = "";   //"" -Default
                                             //0 -Dont exist process
                                             //1 -exist process
      $optionGroupExistInDatabase = isset($_REQUEST["optionGroupExistInDatabase"]) ? $_REQUEST["optionGroupExistInDatabase"] : null;

      //!Upload file
      if ( ! is_null($optionGroupExistInDatabase)) {
        $filename = $_REQUEST["PRO_FILENAME"];
        $path     = PATH_DOCUMENT . 'input' . PATH_SEP ;
      }
      else {
        if ($_FILES['form']['error']['PROCESS_FILENAME'] == 0){
          $filename = $_FILES['form']['name']['PROCESS_FILENAME'];
          $path     = PATH_DOCUMENT . 'input' . PATH_SEP ;
          $tempName = $_FILES['form']['tmp_name']['PROCESS_FILENAME'];
          //$action = "none";
          G::uploadFile($tempName, $path, $filename );
        }
      }
            
      //importing a bpmn diagram, using external class to do it.
      if ($processFileType == "bpmn") {
        G::LoadClass('bpmnExport');
        $bpmn = new bpmnExport();
        $bpmn->importBpmn( $path . $filename);
        die;
      }

      //if file is a .pm or .xpdl file continues normally the importing    
      if ($processFileType == "pm") {
        $oData = $oProcess->getProcessData ( $path . $filename  );
      }
      else {
        $oData = $oProcess->getProcessDataXpdl ( $path . $filename  );
      }

      //!Upload file        
      $Fields['PRO_FILENAME']  = $filename;
      $Fields['IMPORT_OPTION'] = 2;
      
      $sProUid = $oData->process['PRO_UID'];
      
      $oData->process['PRO_UID_OLD'] = $sProUid;
      
      if ( $oProcess->processExists ( $sProUid ) ) {
        $result->ExistProcessInDatabase = 1;
      }
      else {
        $result->ExistProcessInDatabase = 0;
      }

      //!respect of the groups
      $result->ExistGroupsInDatabase = 1;
      $result->groupBeforeAccion     = $action;
      if (!is_null($optionGroupExistInDatabase)) {
        if ($optionGroupExistInDatabase == 1) {
          $oData->groupwfs = $oProcess->renameExistingGroups($oData->groupwfs);
        }
        else if ($optionGroupExistInDatabase == 2) {
          $oBaseGroup       = $oData->groupwfs;
          $oNewGroup        = $oProcess->mergeExistingGroups($oData->groupwfs);
          $oData->groupwfs  = $oNewGroup;
          $oData->taskusers = $oProcess->mergeExistingUsers($oBaseGroup, $oNewGroup, $oData->taskusers);
        }
        $result->ExistGroupsInDatabase = 0;
      }
      else {
        if ( !($oProcess->checkExistingGroups($oData->groupwfs) > 0) ) {
          $result->ExistGroupsInDatabase = 0;
        }            
      }            
      //!respect of the groups
            
      if ($result->ExistProcessInDatabase == 0 && $result->ExistGroupsInDatabase == 0){
        if ($processFileType == "pm") {
          $oProcess->createProcessFromData ($oData, $path . $filename );
        }
        else {
          if ( !isset( $oData->tasks) ) $oData->tasks = array();
          $tasks =  $oData->tasks;
          $oProcess->createProcessFromDataXpdl ($oData,$tasks);
        }
      }

      //!data ouput  
      $result->sNewProUid  = $sProUid;
      $result->proFileName =  $Fields['PRO_FILENAME'];
    }
    catch (Exception $e ) {
      $result->response     = $e->getMessage();
      $result->catchMessage = $e->getMessage();
      $result->success      = true;
    }
  }
  
  if ($action == "uploadFileNewProcessExist") {
    try {    
      $option          = $_REQUEST["IMPORT_OPTION"];
      $filename        = $_REQUEST["PRO_FILENAME"];
      $processFileType = $_REQUEST["processFileType"];

      $result->ExistGroupsInDatabase = "";   //"" -Default
                                             //0 -Dont exist process
                                             //1 -exist process

      $optionGroupExistInDatabase = isset($_REQUEST["optionGroupExistInDatabase"]) ? $_REQUEST["optionGroupExistInDatabase"] : null;
      $sNewProUid                 = "";

      $oProcess = new stdClass();
      if ($processFileType != "pm" && $processFileType != "xpdl") {
        throw new Exception(G::LoadTranslation("ID_ERROR_UPLOAD_FILE_CONTACT_ADMINISTRATOR"));
      }

      //load the variables
      if ($processFileType == "pm") {
        G::LoadClass('processes');
        $oProcess = new Processes();
      }
      else {
        G::LoadClass('xpdl');
        $oProcess = new Xpdl();
      }

      $path = PATH_DOCUMENT . 'input' . PATH_SEP ;
      
      if ($processFileType == "pm"){
        $oData = $oProcess->getProcessData ( $path . $filename  );
      }
      else {
        $oData = $oProcess->getProcessDataXpdl ( $path . $filename  );
      }

      $Fields['PRO_FILENAME'] = $filename;
      $sProUid                = $oData->process['PRO_UID'];

      $oData->process['PRO_UID_OLD'] = $sProUid;

      $result->ExistGroupsInDatabase = 1;
      if ( !is_null($optionGroupExistInDatabase)) {
        if ($optionGroupExistInDatabase == 1){
          $oData->groupwfs = $oProcess->renameExistingGroups($oData->groupwfs);
        }
        else if ($optionGroupExistInDatabase == 2) {
          $oBaseGroup       = $oData->groupwfs;
          $oNewGroup        = $oProcess->mergeExistingGroups($oData->groupwfs);
          $oData->groupwfs  = $oNewGroup;
          $oData->taskusers = $oProcess->mergeExistingUsers($oBaseGroup, $oNewGroup, $oData->taskusers);
        }
        $result->ExistGroupsInDatabase = 0;
      }
      else {        
        if ( !($oProcess->checkExistingGroups($oData->groupwfs) > 0) ) {
          $result->ExistGroupsInDatabase = 0;
        }            
      }
      
      if ($result->ExistGroupsInDatabase == 0) {
        //Update the current Process, overwriting all tasks and steps
        if ( $option == 1 ) {
          $oProcess->updateProcessFromData ($oData, $path . $filename );
          if (file_exists(PATH_OUTTRUNK . 'compiled' . PATH_SEP . 'xmlform' . PATH_SEP . $sProUid)) {
            $oDirectory = dir(PATH_OUTTRUNK . 'compiled' . PATH_SEP . 'xmlform' . PATH_SEP . $sProUid);
            while ($sObjectName = $oDirectory->read()) {
              if (($sObjectName != '.') && ($sObjectName != '..')) {
                unlink(PATH_OUTTRUNK . 'compiled' . PATH_SEP . 'xmlform' . PATH_SEP . $sProUid . PATH_SEP .  $sObjectName);
              }
            }
            $oDirectory->close();
          }
          $sNewProUid = $sProUid;
        }

        //Disable current Process and create a new version of the Process
        if ( $option == 2 ) {
          $oProcess->disablePreviousProcesses( $sProUid );
          $sNewProUid = $oProcess->getUnusedProcessGUID() ;
          $oProcess->setProcessGuid ( $oData, $sNewProUid );
          $oProcess->setProcessParent( $oData, $sProUid );
          $oData->process['PRO_TITLE'] = "New - " . $oData->process['PRO_TITLE'] . ' - ' . date ( 'M d, H:i' );
          $oProcess->renewAll ( $oData );

          if ($processFileType == "pm") {
            $oProcess->createProcessFromData ($oData, $path . $filename );
          }
          else {
            if ( !isset( $oData->tasks) ) {
              $oData->tasks = array();
            }
            $tasks =  $oData->tasks;
            $oProcess->createProcessFromDataXpdl ($oData,$tasks);                   
          }
        }

        //Create a completely new Process without change the current Process
        if ( $option == 3 ) {
          //krumo ($oData); die;
          $sNewProUid = $oProcess->getUnusedProcessGUID() ;
          $oProcess->setProcessGuid ( $oData, $sNewProUid );
          $oData->process['PRO_TITLE'] = "Copy of  - " . $oData->process['PRO_TITLE'] . ' - ' . date ( 'M d, H:i' );
          $oProcess->renewAll ( $oData );

          if ($processFileType == "pm"){
            $oProcess->createProcessFromData ($oData, $path . $filename );
          }
          else {
            if ( !isset( $oData->tasks) ) {
              $oData->tasks = array();
            }
            $tasks =  $oData->tasks;                      
            $oProcess->createProcessFromDataXpdl ($oData,$tasks);
          }
        }
      }
      
      //!data ouput
      $result->fileName              = $filename;
      $result->importOption          = $option;
      $result->sNewProUid            = $sNewProUid;
      $result->success               = true;
      $result->ExistGroupsInDatabase = $result->ExistGroupsInDatabase;
      $result->groupBeforeAccion     = $action;
      //!data ouput
    }
    catch (Exception $e ) {
      $result->response = $e->getMessage();
      $result->success = true;
    }
  }

  echo G::json_encode($result);
  exit();