egroupware/calendar/inc/class.calendar_import_csv.inc.php

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<?php
/**
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* EGroupWare - Plugin to import events from a CSV file
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package calendar
* @subpackage importexport
* @link http://www.egroupware.org
* @author Nathan Gray
* @copyright Nathan Gray
* @version $Id$
*/
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use EGroupware\Api;
use EGroupware\Api\Link;
/**
* class import_csv for calendar
*/
class calendar_import_csv extends importexport_basic_import_csv {
/**
* actions wich could be done to data entries
*/
protected static $actions = array( 'none', 'update', 'insert' );
/**
* conditions for actions
*
* @var array
*/
protected static $conditions = array('exists');
/**
* For figuring out if an entry has changed
*/
protected $tracking;
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/**
* List of import warnings
*/
protected $warnings = array();
/**
* Set up tracker
*/
protected function init(importexport_definition &$definition)
{
// fetch the addressbook bo
$this->bo= new calendar_boupdate();
// Get the tracker for changes
$this->tracking = new calendar_tracking();
// Used for participants
$this->status_map = array_flip(array_map('lang',$this->bo->verbose_status));
$this->role_map = array_flip($this->bo->roles);
$this->lookups = array(
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'priority' => Array(
0 => lang('None'),
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1 => lang('Low'),
2 => lang('Normal'),
3 => lang('High')
),
'recurrence' => $this->bo->recur_types
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);
}
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/**
* imports a single entry according to given definition object.
* Handles the conditions and the actions taken.
*
* @param calendar_egw_record record The egw_record object being imported
* @param importexport_iface_import_record import_csv Import object contains current state
*
* @return boolean success
*/
public function import_record(\calendar_egw_record &$record, &$import_csv)
{
// set eventOwner
$options =& $this->definition->plugin_options;
$options['owner'] = $options['owner'] ? $options['owner'] : $this->user;
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// Set owner, unless it's supposed to come from CSV file
if($options['owner_from_csv']) {
if(!is_numeric($record['owner'])) {
$this->errors[$import_csv->get_current_position()] = lang(
'Invalid owner ID: %1. Might be a bad field translation. Used %2 instead.',
$record->owner,
$options['owner']
);
$record->owner = $options['owner'];
}
}
else
{
$record->owner = $options['owner'];
}
// Handle errors in length or start/end date
if($record->start > $record->end)
{
$record->end = $record->start + $GLOBALS['egw_info']['user']['preferences']['calendar']['defaultlength'] * 60;
$this->warnings[$import_csv->get_current_position()] = lang('error: starttime has to be before the endtime !!!');
}
// Parse particpants
if ($record->participants && !is_array($record->participants)) {
// Importing participants in human friendly format:
// Name (quantity)? (status) Role[, Name (quantity)? (status) Role]+
preg_match_all('/(([^(]+?)(?: \(([\d]+)\))? \(([^,)]+)\)(?: ([^ ,]+))?)(?:, )?/',$record->participants,$participants);
$p_participants = array();
$missing = array();
list($lines, $p, $names, $quantity, $status, $role) = $participants;
foreach($names as $key => $name) {
//error_log("Name: $name Quantity: {$quantity[$key]} Status: {$status[$key]} Role: {$role[$key]}");
// Search for direct account name, then user in accounts first
$search = "\"$name\"";
$id = importexport_helper_functions::account_name2id($name);
// If not found, or not an exact match to a user (account_name2id is pretty generous)
if(!$id || $names[$key] !== $this->bo->participant_name($id)) {
$contacts = ExecMethod2('addressbook.addressbook_bo.search', $search,array('contact_id','account_id'),'org_name,n_family,n_given,cat_id,contact_email','','%',false,'OR',array(0,1));
if($contacts) $id = $contacts[0]['account_id'] ? $contacts[0]['account_id'] : 'c'.$contacts[0]['contact_id'];
}
if(!$id)
{
// Use calendar's registered resources to find participant
foreach($this->bo->resources as $resource)
{
// Can't search for email
if($resource['app'] == 'email') continue;
// Special resource search, since it does special stuff in link_query
if($resource['app'] == 'resources')
{
if(!$this->resource_so)
{
$this->resource_so = new resources_so();
}
$result = $this->resource_so->search($search,'res_id');
if(count($result) >= 1) {
$id = $resource['type'].$result[0]['res_id'];
break;
}
}
else
{
// Search app via link query
$link_options = array();
$result = Link::query($resource['app'], $search, $link_options);
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if($result)
{
$id = $resource['type'] . key($result);
break;
}
}
}
}
if($id) {
$p_participants[$id] = calendar_so::combine_status(
$this->status_map[lang($status[$key])] ? $this->status_map[lang($status[$key])] : $status[$key][0],
$quantity[$key] ? $quantity[$key] : 1,
$this->role_map[lang($role[$key])] ? $this->role_map[lang($role[$key])] : $role[$key]
);
}
else
{
$missing[] = $name;
}
if(count($missing) > 0)
{
$this->warnings[$import_csv->get_current_position()] = $record->title . ' ' . lang('participants') . ': ' .
lang('Contact not found!') . '<br />'.implode(", ",$missing);
}
}
$record->participants = $p_participants;
}
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if($record->recurrence)
{
$start = new Api\DateTime($record->start);
try
{
$rrule = calendar_rrule::from_string($record->recurrence, $start);
$record->recur_type = $rrule->type;
$record->recur_interval = $rrule->interval;
$record->recur_enddate = $rrule->enddate;
$record->recur_data = $rrule->weekdays;
$record->recur_exception = $rrule->exceptions;
}
catch (Exception $e)
{
// Try old way from export using just recur_type / interval
list($record->recur_type, $record->recur_interval) = explode('/',$record->recurrence,2);
$record->recur_interval = trim($record->recur_interval);
$record->recur_type = array_search(strtolower(trim($record->recur_type)), array_map('strtolower',$this->lookups['recurrence']));
}
unset($record->recurrence);
}
$record->tzid = calendar_timezones::id2tz($record->tz_id);
if ( $options['conditions'] ) {
foreach ( $options['conditions'] as $condition ) {
$records = array();
switch ( $condition['type'] ) {
// exists
case 'exists' :
// Check for that record
$result = $this->exists($record, $condition, $records);
if ( is_array( $records ) && count( $records ) >= 1) {
// apply action to all records matching this exists condition
$action = $condition['true'];
foreach ( (array)$records as $event ) {
$record->id = $event['id'];
if ( $this->definition->plugin_options['update_cats'] == 'add' ) {
if ( !is_array( $record->category ) ) $record->category = explode( ',', $record->category );
$record->category = implode( ',', array_unique( array_merge( $record->category, $event['category'] ) ) );
}
$success = $this->action( $action['action'], $record, $import_csv->get_current_position() );
}
} else {
$action = $condition['false'];
$success = ($this->action( $action['action'], $record, $import_csv->get_current_position() ));
}
break;
// not supported action
default :
die('condition / action not supported!!!');
break;
}
if ($action['last']) break;
}
} else {
// unconditional insert
$success = $this->action( 'insert', $record, $import_csv->get_current_position() );
}
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return $success;
}
/**
* Search for matching records, based on the the given condition
*
* @param record
* @param condition array = array('string' => field name)
* @param matches - On return, will be filled with matching records
*
* @return boolean
*/
protected function exists(importexport_iface_egw_record &$record, Array &$condition, &$records = array())
{
if($record->__get($condition['string']) && $condition['string'] == 'id') {
$event = $this->bo->read($record->__get($condition['string']));
$records = array($event);
}
if ( is_array( $records ) && count( $records ) >= 1) {
return true;
}
return false;
}
/**
* perform the required action
*
* @param int $_action one of $this->actions
* @param array $_data record data for the action
* @return bool success or not
*/
protected function action ( $_action, importexport_iface_egw_record &$record, $record_num = 0 )
{
$_data = $record->get_record_array();
switch ($_action) {
case 'none' :
return true;
case 'update' :
// Only update if there are changes
$old = $this->bo->read($_data['id']);
// Don't change a user account into a record
if(!$this->definition->plugin_options['change_owner']) {
// Don't change owner of an existing record
unset($_data['owner']);
}
// Merge to deal with fields not in import record
if($old)
{
$_data = array_merge($old, $_data);
$changed = $this->tracking->changed_fields($_data, $old);
if(count($changed) == 0) {
return true;
}
}
// Fall through
case 'insert' :
if($_action == 'insert') {
// Backend doesn't like inserting with ID specified, can overwrite existing
unset($_data['id']);
}
// Make sure participants are set
if(!$_data['participants']) {
$user = $_data['owner'] ? $_data['owner'] : $this->user;
$_data['participants'] = array(
$user => 'U'
);
}
if ( $this->dry_run ) {
//print_r($_data);
// User is interested in conflict checks, do so for dry run
// Otherwise, conflicts are just ignored and imported anyway
if($this->definition->plugin_options['skip_conflicts'] && !$_data['non_blocking'])
{
$conflicts = $this->bo->conflicts($_data);
if($conflicts)
{
$this->conflict_warning($record_num, $conflicts);
$this->results['skipped']++;
return false;
}
}
$this->results[$_action]++;
return true;
} else {
$messages = null;
$result = $this->bo->update( $_data,
!$this->definition->plugin_options['skip_conflicts'],
true, $this->is_admin, true, $messages,
$this->definition->plugin_options['no_notification']
);
if(!$result)
{
$this->errors[$record_num] = lang('Unable to save') . "\n" .
implode("\n",$messages);
}
else if (is_array($result))
{
$this->conflict_warning($record_num, $result);
$this->results['skipped']++;
return false;
}
else
{
$this->results[$_action]++;
// This does nothing (yet?) but update the identifier
$record->save($result);
}
return $result;
}
default:
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throw new Api\Exception('Unsupported action');
}
}
/**
* Add a warning message about conflicting events
*
* @param int $record_num Current record index
* @param Array $conflicts List of found conflicting events
*/
protected function conflict_warning($record_num, &$conflicts)
{
$this->warnings[$record_num] = lang('Conflicts') . ':';
foreach($conflicts as $conflict)
{
$this->warnings[$record_num] .= "<br />\n" . Api\DateTime::to($conflict['start']) . "\t" . $conflict['title'];
}
}
/**
* returns translated name of plugin
*
* @return string name
*/
public static function get_name() {
return lang('Calendar CSV import');
}
/**
* returns translated (user) description of plugin
*
* @return string descriprion
*/
public static function get_description() {
return lang("Imports events into your Calendar from a CSV File. CSV means 'Comma Seperated Values'. However in the options Tab you can also choose other seperators.");
}
/**
* retruns file suffix(s) plugin can handle (e.g. csv)
*
* @return string suffix (comma seperated)
*/
public static function get_filesuffix() {
return 'csv';
}
/**
* Alter a row for preview to show multiple participants instead of Array
*
* @param egw_record $row_entry
*/
protected function row_preview(importexport_iface_egw_record &$row_entry)
{
$row_entry->participants = implode('<br />', $this->bo->participants(array('participants' => $row_entry->participants),true));
}
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}