forked from extern/egroupware
342 lines
7.8 KiB
PHP
342 lines
7.8 KiB
PHP
<?php
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/**
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* EGroupWare iCal import plugin
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package calendar
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* @subpackage importexport
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* @link http://www.egroupware.org
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* @author Nathan Gray
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* @copyright Nathan Gray
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* @version $Id$
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*/
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/**
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* import ical for calendar
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*/
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class calendar_import_ical implements importexport_iface_import_plugin {
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private static $plugin_options = array(
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'fieldsep', // char
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'charset', // string
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'owner', // int
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'update_cats', // string {override|add} overides record
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// with cat(s) from csv OR add the cat from
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// csv file to exeisting cat(s) of record
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'num_header_lines', // int number of header lines
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'field_conversion', // array( $csv_col_num => conversion)
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'field_mapping', // array( $csv_col_num => adb_filed)
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'conditions', /* => array containing condition arrays:
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'type' => exists, // exists
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'string' => '#kundennummer',
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'true' => array(
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'action' => update,
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'last' => true,
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),
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'false' => array(
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'action' => insert,
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'last' => true,
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),*/
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);
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/**
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* actions wich could be done to data entries
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*/
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protected static $actions = array();
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/**
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* conditions for actions
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*
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* @var array
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*/
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protected static $conditions = array();
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/**
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* @var definition
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*/
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private $definition;
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/**
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* @var bo
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*/
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private $bo;
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/**
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* For figuring out if an entry has changed
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*/
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protected $tracking;
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/**
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* @var bool
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*/
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private $dry_run = false;
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/**
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* @var bool is current user admin?
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*/
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private $is_admin = false;
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/**
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* @var int
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*/
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private $user = null;
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/**
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* List of import warnings
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*/
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protected $warnings = array();
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/**
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* List of import errors
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*/
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protected $errors = array();
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/**
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* List of actions, and how many times that action was taken
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*/
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protected $results = array();
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/**
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* imports entries according to given definition object.
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* @param resource $_stream
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* @param string $_charset
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* @param definition $_definition
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*/
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public function import( $_stream, importexport_definition $_definition ) {
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$this->definition = $_definition;
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// user, is admin ?
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$this->user = $GLOBALS['egw_info']['user']['account_id'];
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// dry run?
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$this->dry_run = isset( $_definition->plugin_options['dry_run'] ) ? $_definition->plugin_options['dry_run'] : false;
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// fetch the addressbook bo
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$this->bo= new calendar_boupdate();
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// Failures
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$this->errors = array();
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@set_time_limit(0); // try switching execution time limit off
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$calendar_ical = new calendar_ical;
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$calendar_ical->setSupportedFields('file', '');
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if($this->dry_run)
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{
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// No real dry run for iCal
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echo lang("No preview for iCal");
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return;
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}
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// switch off notifications by default
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$plugin_options = $_definition->plugin_options;
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if (!array_key_exists('no_notification', $_definition->plugin_options))
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{
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$plugin_options['no_notification'] = true;
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$_definition->plugin_options = $plugin_options;
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}
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// Set owner, if not set will be null (current user)
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$owner = $plugin_options['cal_owner'];
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// Purge
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$this->purge_calendar($owner, $_definition->filter['purge'], $plugin_options['no_notification']);
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// User wants conflicting events to not be imported
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if($_definition->plugin_options['skip_conflicts'])
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{
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$calendar_ical->conflict_callback = array($this, 'conflict_warning');
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}
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if (!$calendar_ical->importVCal($_stream, -1,null,false,0,'',$owner,null,null,$_definition->plugin_options['no_notification']))
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{
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$this->errors[] = lang('Error: importing the iCal');
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}
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else
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{
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$this->results['imported'] += $calendar_ical->events_imported;
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}
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return $calendar_ical->events_imported;
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}
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/**
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* Add a warning message about conflicting events
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*
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* @param int $record_num Current record index
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* @param Array $conflicts List of found conflicting events
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*/
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public function conflict_warning(&$event, &$conflicts)
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{
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$warning = EGroupware\Api\DateTime::to($event['start']) . ' ' . $event['title'] . ' ' . lang('Conflicts') . ':';
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foreach($conflicts as $conflict)
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{
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$warning .= "<br />\n" . EGroupware\Api\DateTime::to($conflict['start']) . "\t" . $conflict['title'];
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}
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$this->warnings[] = $warning;
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// iCal will always count as imported, even if it wasn't
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$this->results['imported'] -= 1;
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$this->results['skipped']++;
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}
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/**
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* Empty the calendar before importing
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*
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* @param string $owner
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* @param array|string $timespan
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*/
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protected function purge_calendar($owner, $timespan, $skip_notification)
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{
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if(!$owner)
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{
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$owner = $GLOBALS['egw_info']['user']['account_id'];
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}
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if(!is_array($timespan))
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{
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$timespan = importexport_helper_functions::date_rel2abs($timespan);
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}
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if (!$timespan)
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{
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return;
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}
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// Get events in timespan
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$events = $this->bo->search(array(
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'start' => $timespan['from'],
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'end' => $timespan['to'],
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'users' => $owner,
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'num_rows' => -1
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));
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// Delete
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foreach($events as $event)
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{
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$result = $this->bo->delete($event['id'], $event['recur_date'], true, $skip_notification);
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if($result)
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{
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$this->results['deleted']++;
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}
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}
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}
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/**
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* returns translated name of plugin
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*
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* @return string name
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*/
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public static function get_name() {
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return lang('Calendar iCal import');
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}
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/**
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* returns translated (user) description of plugin
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*
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* @return string descriprion
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*/
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public static function get_description() {
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return lang("Imports events into your Calendar from an iCal File.");
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}
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/**
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* retruns file suffix(s) plugin can handle (e.g. csv)
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*
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* @return string suffix (comma seperated)
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*/
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public static function get_filesuffix() {
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return 'ics';
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}
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/**
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* return etemplate components for options.
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* @abstract We can't deal with etemplate objects here, as an uietemplate
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* objects itself are scipt orientated and not "dialog objects"
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*
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* @return array (
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* name => string,
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* content => array,
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* sel_options => array,
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* preserv => array,
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* )
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*/
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public function get_options_etpl() {
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// lets do it!
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}
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/**
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* returns etemplate name for slectors of this plugin
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*
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* @return string etemplate name
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*/
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public function get_selectors_etpl() {
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// lets do it!
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}
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/**
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* Filter while importing
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*
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* The only one currently supported is purge range, nothing on actual fields
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*
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* @see importexport_helper_functions::get_filter_fields
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*
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* @param array $fields
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*/
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public function get_filter_fields(&$fields) {
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$fields = array(
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'purge' => array(
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'type' => 'date',
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'name' =>'purge',
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'label'=>'Empty target calendar before importing',
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'empty_label' => 'No'
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)
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);
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}
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/**
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* Get the class name for the egw_record to use
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*
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* @return string;
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*/
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public static function get_egw_record_class()
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{
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return 'calendar_egw_record';
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}
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/**
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* Returns warnings that were encountered during importing
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* Maximum of one warning message per record, but you can append if you need to
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*
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* @return Array (
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* record_# => warning message
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* )
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*/
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public function get_warnings() {
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return $this->warnings;
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}
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/**
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* Returns errors that were encountered during importing
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* Maximum of one error message per record, but you can append if you need to
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*
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* @return Array (
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* record_# => error message
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* )
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*/
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public function get_errors() {
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return $this->errors;
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}
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/**
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* Returns a list of actions taken, and the number of records for that action.
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* Actions are things like 'insert', 'update', 'delete', and may be different for each plugin.
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*
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* @return Array (
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* action => record count
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* )
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*/
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public function get_results() {
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return $this->results;
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}
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} |