<?php
  
  /**
   * ownCloud - user_migrate
   *
   * @author Thomas Schmidt
   * @copyright 2011 Thomas Schmidt tom@opensuse.org
   * @author Tom Needham
   * @copyright 2012 Tom Needham tom@owncloud.com
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
   * License as published by the Free Software Foundation; either
   * version 3 of the License, or any later version.
   *
   * This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
   *
   */
  
  OCP\User::checkLoggedIn();
  
  OCP\App::checkAppEnabled('user_migrate');
  if (!empty($_POST)) {
  	// CSRF check
  	OCP\JSON::callCheck();
  	
  	$root = OC::$SERVERROOT . "/";
  	$importname = "owncloud_import_" . date("y-m-d_H-i-s");
  
  	// Save data dir for later
  	$datadir = OCP\Config::getSystemValue( 'datadirectory' );
  
  	// Copy the uploaded file
  	$from = $_FILES['owncloud_import']['tmp_name'];
  	$to = get_temp_dir().'/'.$importname.'.zip';
  	if( !move_uploaded_file( $from, $to ) ) {
  
  		$error = array('error'=>'Failed to move the uploaded file','hint'=>'Try checking the permissions of the '.get_temp_dir().' dir.');
  		OCP\Util::writeLog( 'user_migrate', "Failed to copy the uploaded file", OCP\Util::ERROR );
  		$tmpl = new OCP\Template('user_migrate', 'settings');
  		$tmpl->assign('error',$error);
      	return $tmpl->fetchPage();
  	}
  
  
  	$response = json_decode( OC_Migrate::import( $to, 'user' ) );
  	if( !$response->success ) {
  		$error = array('error'=>'There was an error while importing the user!','hint'=>'Please check the logs for a more detailed explaination');
  		$tmpl = new OCP\Template('user_migrate', 'settings');
  		$tmpl->assign('error',$error);
  		return $tmpl->fetchPage();
  	} else {
  		// Check import status
  		if(!is_null($response->data)){
  			foreach( $response->data as $app => $status ) {
  				if( $status != 'true' ) {
  					// It failed for some reason
  					if( $status == 'notsupported' ) {
  						$notsupported[] = $app;
  					} else if( !$status ) {
  						$failed[] = $app;
  					}
  				}
  			}
  		}
  		// Any problems?
  		if( isset( $notsupported ) || isset( $failed ) ) {
  			if( count( $failed ) > 0 ) {
  				$error = array('error'=>'Some app data failed to import','hint'=>'App data for: '.implode(', ', $failed).' failed to import.');
  				$tmpl = new OCP\Template('user_migrate', 'settings');
  				$tmpl->assign('error',$error);
  				return $tmpl->fetchPage();
  			} else if( count( $notsupported ) > 0 ) {
  				$error = array('error'=>'Some app data could not be imported, as the apps are not installed on this instance','hint'=>'App data for: '.implode(', ', $notsupported).' failed to import as they were not found. Please install the apps and try again');
  				$tmpl = new OCP\Template('user_migrate', 'settings');
  				$tmpl->assign('error',$error);
  				return $tmpl->fetchPage();
  			}
  		} else {
  			// Went swimmingly!
  			$tmpl = new OCP\Template('user_migrate', 'settings');
  			return $tmpl->fetchPage();
  		}
  
  	}
  
  } else {
  	// fill template
  	$tmpl = new OCP\Template('user_migrate', 'settings');
  	return $tmpl->fetchPage();
  }