* @package SeedDMS
 * @subpackage  core
 */
class SeedDMS_CalendarTask extends SeedDMS_SchedulerTaskBase { /* {{{ */
	/**
	 * Run the task
	 *
	 * @param SeedDMS_SchedulerTask $task task to be executed
	 * @return boolean true if task was executed succesfully, otherwise false
	 */
	public function execute(SeedDMS_SchedulerTask $task) {
		$dms = $this->dms;
		$user = $this->user;
		$logger = $this->logger;
		$settings = $this->settings;
		$taskparams = $task->getParameter();
		$tableformat = " %-10s %-60s";
		$tableformathead = " %-10s %-60s";
		$tableformathtml = "| %s | %s | 
";
		$tableformatheadhtml = "| %s | %s | 
|---|
";
		require_once('inc/inc.ClassEmailNotify.php');
		require_once('inc/inc.ClassCalendar.php');
		$email = new SeedDMS_EmailNotify($dms, $settings->_smtpSendFrom, $settings->_smtpServer, $settings->_smtpPort, $settings->_smtpUser, $settings->_smtpPassword);
		$calendar = new SeedDMS_Calendar($dms->getDB(), null);
		$allusers = $dms->getAllUsers();
		foreach($allusers as $auser) {
			if(!$auser->isAdmin() && !$auser->isGuest() && !$auser->isDisabled() && $auser->getEmail()) {
				$body = ''.$auser->getLogin()." <".$auser->getEmail().">\n\n";
				$bodyhtml = ''.$auser->getLogin()." <".$auser->getEmail().">
";
				$calendar->setUser($auser);
				if(isset($taskparams['days']))
					$days = intval($taskparams['days']);
				else
					$days = 7;
				if($days < 0) {
					$end = mktime(0,0,0, date('m'), date('d'), date('Y'))-1;
					$start = $end+$days*86400+1;
				} elseif($days > 0) {
					$start = mktime(0,0,0, date('m'), date('d'), date('Y'));
					$end = $start+$days*86400-1;
				} else {
					$start = mktime(0,0,0, date('m'), date('d'), date('Y'));
					$end = $start+86400-1;
				}
				$events = $calendar->getEventsInInterval($start, $end);
				if($events && count($events)>0) {
					$body .= getMLText('startdate', [], null, $auser->getLanguage()).': '.getLongReadableDate($start)."\n";
					$body .= getMLText('enddate', [], null, $auser->getLanguage()).': '.getLongReadableDate($end)."\n\n";
					$bodyhtml .= ''.getMLText('startdate', [], null, $auser->getLanguage()).': '.getLongReadableDate($start)."
";
					$bodyhtml .= ''.getMLText('enddate', [], null, $auser->getLanguage()).': '.getLongReadableDate($end)."
";
					$bodyhtml .= "".PHP_EOL;
					$bodyhtml .= sprintf($tableformatheadhtml."\n", getMLText("date", array(), null, $auser->getLanguage()), getMLText("name", array(), null, $auser->getLanguage()));
					$body .= sprintf($tableformathead."\n", getMLText("date", array(), null, $auser->getLanguage()), getMLText("name", array(), null, $auser->getLanguage()));
					$body .= "---------------------------------------------------------------------------------\n";
					foreach($events as $event) {
						$body .= sprintf($tableformat."\n", getReadableDate($event['start']), $event['name']);
						$bodyhtml .= sprintf($tableformathtml."\n", getReadableDate($event['start']), $event['name']);
					}
					$bodyhtml .= "
".PHP_EOL;
					$params = array();
					$params['count'] = count($events);
					$params['__body__'] = $body;
					$params['__body_html__'] = $bodyhtml;
					$params['sitename'] = $settings->_siteName;
					$email->toIndividual('', $auser, 'calendar_events_mail_subject', '', $params);
					$logger->log('Task \'calendar_events\': Sending reminder \'calender_events_mail_subject\' to user \''.$auser->getLogin().'\'', PEAR_LOG_INFO);
				}
			}
		}
		return true;
	}
	public function getDescription() {
		return 'Check calendar for upcoming events';
	}
	public function getAdditionalParams() {
		return array(
			array(
				'name'=>'days',
				'type'=>'integer',
				'description'=> 'Number of days to look ahead starting from today. Negative values will look into the past ending today. 0 will just check for events of the current day.',
			),
		);
	}
} /* }}} */
/**
 * Class containing methods for running a scheduled task
 *
 * @author  Uwe Steinmann 
 * @package SeedDMS
 * @subpackage  core
 */
class SeedDMS_StatisticTask extends SeedDMS_SchedulerTaskBase { /* {{{ */
	/**
	 * Run the task
	 *
	 * @param SeedDMS_SchedulerTask $task task to be executed
	 * @return boolean true if task was executed succesfully, otherwise false
	 */
	public function execute(SeedDMS_SchedulerTask $task) { /* {{{ */
		$dms = $this->dms;
		$user = $this->user;
		$logger = $this->logger;
		$settings = $this->settings;
		$taskparams = $task->getParameter();
		$tableformat = " %-30s %5d";
		$tableformathead = " %-30s %5s";
		$tableformathtml = "| %s | %d | 
";
		$tableformatheadhtml = "| %s | %s | 
|---|
";
		require_once('inc/inc.ClassEmailNotify.php');
		$email = new SeedDMS_EmailNotify($dms, $settings->_smtpSendFrom, $settings->_smtpServer, $settings->_smtpPort, $settings->_smtpUser, $settings->_smtpPassword);
		$userstotal = $dms->getStatisticalData('userstotal');
		$docstotal = $dms->getStatisticalData('docstotal');
		$folderstotal = $dms->getStatisticalData('folderstotal');
		$docsaccumulated = $dms->getStatisticalData('docsaccumulated');
		$userids = $taskparams['users'];
		foreach($userids as $userid) {
			if(($auser = $dms->getUser((int) $userid)) && $auser->isAdmin() && !$auser->isDisabled() && $auser->getEmail()) {
				/* Create individual mails, because the users may have different
				 * languages.
				 */
				$body = ''.$auser->getLogin()." <".$auser->getEmail().">\n\n";
				$bodyhtml = ''.$auser->getLogin()." <".$auser->getEmail().">
";
				$bodyhtml .= "".PHP_EOL;
				$bodyhtml .= sprintf($tableformatheadhtml."\n", getMLText("name", array(), null, $auser->getLanguage()), getMLText("number_count", array(), ""));
				$body .= sprintf($tableformathead."\n", getMLText("name", array(), ""), getMLText("number_count", array(), null, $auser->getLanguage()));
				$body .= "---------------------------------------------------------------------------------\n";
				$bodyhtml .= sprintf($tableformathtml."\n", getMLText("users", array(), null, $auser->getLanguage()), $userstotal);
				$body .= sprintf($tableformat."\n", getMLText("users", array(), null, $auser->getLanguage()), $userstotal);
				$bodyhtml .= sprintf($tableformathtml."\n", getMLText("documents", array(), null, $auser->getLanguage()), $docstotal);
				$body .= sprintf($tableformat."\n", getMLText("documents", array(), null, $auser->getLanguage()), $docstotal);
				$bodyhtml .= sprintf($tableformathtml."\n", getMLText("folders", array(), null, $auser->getLanguage()), $folderstotal);
				$body .= sprintf($tableformat."\n", getMLText("folders", array(), null, $auser->getLanguage()), $folderstotal);
				$today = date('Y-m-d');
				$yesterday = date('Y-m-d', time()-86400);
				if(isset($docsaccumulated[$today])) {
					$docstoday = $docsaccumulated[$today];
				} else {
					$docstoday = 0;
				}
				$bodyhtml .= sprintf($tableformathtml."\n", getMLText("new_documents_today", array(), null, $auser->getLanguage()), $docstoday);
				$body .= sprintf($tableformat."\n", getMLText("new_documents_today", array(), null, $auser->getLanguage()), $docstoday);
				if(isset($docsaccumulated[$yesterday])) {
					$docsyesterday = $docsaccumulated[$yesterday];
				} else {
					$docsyesterday = 0;
				}
				$bodyhtml .= sprintf($tableformathtml."\n", getMLText("new_documents_yesterday", array(), null, $auser->getLanguage()), $docsyesterday);
				$body .= sprintf($tableformat."\n", getMLText("new_documents_yesterday", array(), null, $auser->getLanguage()), $docsyesterday);
				$bodyhtml .= "
".PHP_EOL;
				$params = array();
				$params['__body__'] = $body;
				$params['__body_html__'] = $bodyhtml;
				$params['sitename'] = $settings->_siteName;
				$email->toIndividual('', $auser, 'statistics_mail_subject', '', $params);
				$logger->log('Task \'statistics\': Sending statistics \'statistics_mail_subject\' to user \''.$auser->getLogin().'\'', PEAR_LOG_INFO);
			}
		}
		return true;
	} /* }}} */
	public function getDescription() { /* {{{ */
		return 'Send statistics by email';
	} /* }}} */
	public function getAdditionalParams() { /* {{{ */
		return array(
			array(
				'name'=>'users',
				'type'=>'users',
				'multiple'=>true,
				'description'=> 'Send statistics report to this users',
			)
		);
	} /* }}} */
} /* }}} */
/**
 * Class containing methods for running a scheduled task
 *
 * @author  Uwe Steinmann 
 * @package SeedDMS
 * @subpackage  core
 */
class SeedDMS_RecentChangesTask extends SeedDMS_SchedulerTaskBase { /* {{{ */
	/**
	 * Run the task
	 *
	 * @param SeedDMS_SchedulerTask $task task to be executed
	 * @return boolean true if task was executed succesfully, otherwise false
	 */
	public function execute(SeedDMS_SchedulerTask $task) { /* {{{ */
		$dms = $this->dms;
		$user = $this->user;
		$settings = $this->settings;
		$logger = $this->logger;
		$taskparams = $task->getParameter();
		$tableformat = " %-10s %5d %-60s";
		$tableformathead = " %-10s %5s %-60s";
		$tableformathtml = "| %s | %d | %s | 
";
		$tableformatheadhtml = "| %s | %s | %s | 
|---|
";
		require_once('inc/inc.ClassEmailNotify.php');
		$email = new SeedDMS_EmailNotify($dms, $settings->_smtpSendFrom, $settings->_smtpServer, $settings->_smtpPort, $settings->_smtpUser, $settings->_smtpPassword);
		if(!empty($taskparams['users'])) {
			$userids = $taskparams['users'];
			$users = [];
			foreach($userids as $userid)
				if($u = $dms->getUser($userid))
					$users[] = $u;
		} else {
			$users = $dms->getAllUsers();
		}
		if(!empty($taskparams['lists'])) {
			$lists = $taskparams['lists'];
		} else {
			$lists = ['newdocuments', 'updateddocuments', 'statuschange'];
		}
		$docs = [];
		foreach($lists as $dt) {
			$docs[$dt] = $dms->getLatestChanges($dt, mktime(0, 0, 0)-intval($taskparams['days'])*86400, time());
		}
		foreach($users as $u) {
			if(!$u->isGuest() && !$u->isDisabled()) {
				$body = '';
				$bodyhtml = '';
				foreach($lists as $dt) {
					$params = array();
					$bodyhtml .= "".getMLText('latest_'.$dt)."
".PHP_EOL;
					$body .= getMLText('latest_'.$dt).PHP_EOL.PHP_EOL;
					$ds = SeedDMS_Core_DMS::filterAccess($docs[$dt], $u, M_READ);
					$params['count_'.$dt] = count($ds);
					if (count($ds)>0) {
						$bodyhtml .= "".PHP_EOL;
						$bodyhtml .= sprintf($tableformatheadhtml."\n", getMLText("date", array(), ""), "ID", getMLText("name", array(), ""));
						$body .= sprintf($tableformathead."\n", getMLText("date", array(), ""), "ID", getMLText("name", array(), ""));
						$body .= "---------------------------------------------------------------------------------\n";
						foreach($ds as $doc) {
							$body .= sprintf($tableformat."\n", getReadableDate($doc->getDate()), $doc->getId(), $doc->getName());
							$bodyhtml .= sprintf($tableformathtml."\n", getReadableDate($doc->getDate()), $doc->getId(), ''.htmlspecialchars($doc->getName()).'');
						}
						$bodyhtml .= "
".PHP_EOL;
						$body .= PHP_EOL;
					}
				}
				$params['__body__'] = $body;
				$params['__body_html__'] = $bodyhtml;
				$params['sitename'] = $settings->_siteName;
				$email->toIndividual('', $u, 'recentchanges_mail_subject', '', $params);
				$logger->log('Task \'recentchanges\': Sending reminder \'recentchanges_mail_subject\' to user \''.$u->getLogin().'\'', PEAR_LOG_INFO);
			}
		}
		return true;
	} /* }}} */
	public function getDescription() { /* {{{ */
		return 'Report new and updated documents and those with a changed status';
	} /* }}} */
	public function getAdditionalParams() { /* {{{ */
		return array(
			array(
				'name'=>'days',
				'type'=>'integer',
				'description'=> 'Number of days to look back.',
			),
			array(
				'name'=>'lists',
				'type'=>'select',
				'description'=>'Document lists to be included.',
				'multiple'=>true,
				'options'=>[['newdocuments', getMLText('latest_newdocuments')], ['updateddocuments', getMLText('latest_updateddocuments')], ['statuschange', getMLText('latest_statuschange')]],
			),
			array(
				'name'=>'users',
				'type'=>'users',
				'multiple'=>true,
				'description'=> 'Send list of recently changed or added documents to this users',
			)
		);
	} /* }}} */
} /* }}} */
/**
 * Class containing methods for running a scheduled task
 *
 * @author  Uwe Steinmann 
 * @package SeedDMS
 * @subpackage  core
 */
class SeedDMS_ImportDropFolderTask extends SeedDMS_SchedulerTaskBase { /* {{{ */
	private static function getFiles($path, $recursive=false) {
		if($recursive)
			$rii = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path));
		else
			$rii = new DirectoryIterator($path);
		$files = array();
		try {
		foreach ($rii as $file)
			if (!$file->isDir())
				$files[] = [substr($file->getPath(), strlen($path)+1), $file->getFilename()];
		} catch(Exception $e) {
		}
		return $files;
	}
	/**
	 * Run the task
	 *
	 * @param SeedDMS_SchedulerTask $task task to be executed
	 * @return boolean true if task was executed succesfully, otherwise false
	 */
	public function execute(SeedDMS_SchedulerTask $task) { /* {{{ */
		$dms = $this->dms;
		$user = $this->user;
		$logger = $this->logger;
		$settings = $this->settings;
		$fulltextservice = $this->fulltextservice;
		$notifier = $this->notifier;
		$taskparams = $task->getParameter();
		$dropfolderdir = addDirSep($settings->_dropFolderDir);
		if(!empty($taskparams['targetfolder'])) {
			if(!($folder = $dms->getFolder($taskparams['targetfolder']))) {
				$logger->log('Task \'import_dropfolder\': target folder with id '.$taskparams['targetfolder'].' does not exist', PEAR_LOG_ERR);
				return false;
			}
		} else {
			$logger->log('Task \'import_dropfolder\': target folder not set', PEAR_LOG_ERR);
			return false;
		}
		if(!empty($taskparams['users'])) {
			$userids = $taskparams['users'];
			$users = [];
			foreach($userids as $userid)
				if($u = $dms->getUser($userid))
					$users[] = $u;
		} else {
			$users = $dms->getAllUsers();
		}
		foreach($users as $user) {
			$dir = $dropfolderdir.$user->getLogin();
			$logger->log('Task \'import_dropfolder\': import from \''.$dir.'\' for user \''.$user->getLogin().'\' into \''.$folder->getName().'\'', PEAR_LOG_INFO);
			/* Check if we are still looking in the configured directory and
			 * not somewhere else, e.g. if the login was '../test'
			 */
			if(dirname($dir).DIRECTORY_SEPARATOR == $dropfolderdir) {
				if(is_dir($dir)) {
					$files = self::getFiles($dir, !empty($taskparams['recursive']));
					foreach($files as $file) {
						$logger->log('Task \'import_dropfolder\': import \''.($file[0] ? $file[0].DIRECTORY_SEPARATOR : '').$file[1].'\' for user \''.$user->getLogin().'\'', PEAR_LOG_INFO);
						if(empty($taskparams['dryrun'])) {
							$mimetype = SeedDMS_Core_File::mimetype($dir.DIRECTORY_SEPARATOR.$file[0].$file[1]);
							$lastDotIndex = strrpos($file[1], ".");
							if (is_bool($lastDotIndex) && !$lastDotIndex) $filetype = ".";
							else $filetype = substr($file[1], $lastDotIndex);
							$expires = false;
							if($settings->_presetExpirationDate) {
								$expires = strtotime($settings->_presetExpirationDate);
							}
							$controller = Controller::factory('AddDocument', array('dms'=>$dms, 'user'=>$user));
							$controller->setParam('documentsource', 'importdropfolder');
							$controller->setParam('folder', $folder);
							$controller->setParam('fulltextservice', $fulltextservice);
							$controller->setParam('name', $file[1]);
							$controller->setParam('comment', '');
							$controller->setParam('expires', $expires);
							$controller->setParam('keywords', '');
							$controller->setParam('categories', []);
							$controller->setParam('owner', $user);
							$controller->setParam('userfiletmp', $dir.DIRECTORY_SEPARATOR.$file[0].$file[1]);
							$controller->setParam('userfilename', $file[1]);
							$controller->setParam('filetype', $filetype);
							$controller->setParam('userfiletype', $mimetype);
							$minmax = $folder->getDocumentsMinMax();
							$deviation = rand(10, 1000)/10;
							if($settings->_defaultDocPosition == 'start')
								$controller->setParam('sequence', $minmax['min'] - $deviation);
							else
								$controller->setParam('sequence', $minmax['max'] + $deviation);
							$controller->setParam('reviewers', []);
							$controller->setParam('approvers', []);
							$controller->setParam('reqversion', 1);
							$controller->setParam('versioncomment', '');
							$controller->setParam('attributes', []);
							$controller->setParam('attributesversion', array());
							$controller->setParam('workflow', null);
							$controller->setParam('notificationgroups', array());
							$controller->setParam('notificationusers', array());
							$controller->setParam('initialdocumentstatus', $settings->_initialDocumentStatus);
							$controller->setParam('maxsizeforfulltext', $settings->_maxSizeForFullText);
							$controller->setParam('defaultaccessdocs', $settings->_defaultAccessDocs);
							if(!$document = $controller()) {
								$err = $controller->getErrorMsg();
								if(is_string($err))
									$errmsg = getMLText($err);
								elseif(is_array($err)) {
									$errmsg = getMLText($err[0], $err[1]);
								} else {
									$errmsg = $err;
								}
								$logger->log('Task \'import_dropfolder\': import of \''.($file[0] ? $file[0].DIRECTORY_SEPARATOR : '').$file[1].'\' for user \''.$user->getLogin().'\' failed', PEAR_LOG_ERR);
							} else {
								// Send notification to subscribers of folder.
								if($notifier) {
									$notifier->sendNewDocumentMail($document, $user);
								}
								/* Remove the file, unless it shall stay in the drop folder */
								if(empty($taskparams['keepfile'])) {
									if(file_exists($dir.DIRECTORY_SEPARATOR.$file[0].$file[1])) {
										unlink($dir.DIRECTORY_SEPARATOR.$file[0].$file[1]);
									}
								}
							}
						}
					}
				}
			}
		}
		return true;
	} /* }}} */
	public function getDescription() { /* {{{ */
		return 'Import all files from drop folder';
	} /* }}} */
	public function getAdditionalParams() { /* {{{ */
		return array(
			array(
				'name'=>'users',
				'type'=>'users',
				'multiple'=>true,
				'description'=> 'Use this user for the import',
			),
			array(
				'name'=>'recursive',
				'type'=>'boolean',
				'description'=> 'If set, import documents from sub folders in drop folder directory.',
			),
			array(
				'name'=>'targetfolder',
				'type'=>'folder',
				'description'=> getMLText('task_core_importdropfolder_targetfolder_desc'),
			),
			array(
				'name'=>'keepfile',
				'type'=>'boolean',
				'description'=> getMLText('task_core_importdropfolder_keepfile_desc'),
			),
			array(
				'name'=>'dryrun',
				'type'=>'boolean',
				'description'=> getMLText('task_core_importdropfolder_dryrun_desc'),
			),
		);
	} /* }}} */
} /* }}} */
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['expireddocs'] = 'SeedDMS_ExpiredDocumentsTask';
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['indexingdocs'] = 'SeedDMS_IndexingDocumentsTask';
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['checksum'] = 'SeedDMS_CheckSumTask';
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['preview'] = 'SeedDMS_PreviewTask';
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['calendar'] = 'SeedDMS_CalendarTask';
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['statistic'] = 'SeedDMS_StatisticTask';
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['importdropfolder'] = 'SeedDMS_ImportDropFolderTask';
$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['recentchanges'] = 'SeedDMS_RecentChangesTask';