egroupware/calendar/inc/class.calendar_export_csv.inc.php

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<?php
/**
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* EGroupware calendar export
*
* @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;
/**
* export CSV plugin of calendar
*/
class calendar_export_csv implements importexport_iface_export_plugin {
public function __construct() {
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Api\Translation::add_app('calendar');
$this->bo = new calendar_bo();
$this->get_selects();
}
/**
* Exports records as defined in $_definition
*
* @param egw_record $_definition
*/
public function export( $_stream, importexport_definition $_definition) {
$options = $_definition->plugin_options;
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$limit_exception = Api\Storage\Merge::is_export_limit_excepted();
if (!$limit_exception) $export_limit = Api\Storage\Merge::getExportLimit('calendar');
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// Custom fields need to be specifically requested
$cfs = array();
foreach($options['mapping'] + (array)$_definition->filter as $key => $label) {
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if($key[0] == '#') $cfs[] = substr($key,1);
}
$query = array(
'cfs' => $cfs, // Otherwise we shouldn't get any custom fields
'num_rows' => -1,
'csv_export' => true
);
switch($options['selection'])
{
case 'criteria':
$query = array(
'start' => $options['criteria']['start'],
'end' => strtotime('+1 day',$options['criteria']['end'])-1,
'categories' => $options['categories'] ? $options['categories'] : $options['criteria']['categories'],
//'enum_recuring' => false, // we want the recurring events enumerated for csv export
'daywise' => false,
'users' => $options['criteria']['owner'],
'cfs' => $cfs // Otherwise we shouldn't get any custom fields
);
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if(Api\Storage\Merge::hasExportLimit($export_limit) && !$limit_exception) {
$query['offset'] = 0;
$query['num_rows'] = (int)$export_limit; // ! int of 'no' is 0
}
$events =& $this->bo->search($query);
break;
case 'search_results':
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$states = Api\Cache::getSession('calendar', 'session_data');
if($states['view'] == 'listview') {
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$query = Api\Cache::getSession('calendar', 'calendar_list');
$query['num_rows'] = -1; // all
$query['csv_export'] = true; // so get_rows method _can_ produce different content or not store state in the session
$query['start'] = 0;
$query['cfs'] = $cfs;
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if(Api\Storage\Merge::hasExportLimit($export_limit) && !$limit_exception) {
$query['num_rows'] = (int)$export_limit; // ! int of 'no' is 0
}
$ui = new calendar_uilist();
$ui->get_rows($query, $events, $unused);
} else {
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$query = Api\Cache::getSession('calendar', 'session_data');
$query['users'] = explode(',', $query['owner']);
$query['num_rows'] = -1;
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if(Api\Storage\Merge::hasExportLimit($export_limit) && !$limit_exception) {
$query['num_rows'] = (int)$export_limit; // ! int of 'no' is 0
}
$events = array();
switch($states['view']) {
case 'month':
$query += $this->get_query_month($states);
break;
case 'week':
case 'weekN':
$query += $this->get_query_week($states);
break;
case 'day':
$query += $this->get_query_day($states);
break;
default:
// Let UI set the date ranges
$ui = new calendar_uiviews($query);
if(method_exists($ui, $states['view']))
{
ob_start();
$ui->{$states['view']}();
ob_end_clean();
}
$query += array(
'start' => is_array($ui->first) ? $this->bo->date2ts($ui->first) : $ui->first,
'end' => is_array($ui->last) ? $this->bo->date2ts($ui->last) : $ui->last
);
}
$boupdate = new calendar_boupdate();
$events = $boupdate->search($query + array(
'offset' => 0,
'order' => 'cal_start',
));
}
break;
case 'filter':
$fields = importexport_helper_functions::get_filter_fields($_definition->application, $this);
$filter = $_definition->filter;
// Handle ranges
foreach($filter as $field => $value)
{
if($field == 'filter' && $value)
{
$query['filter'] = $value;
continue;
}
if(!is_array($value) || (!$value['from'] && !$value['to']))
{
$query['query']["cal_$field"] = $value;
continue;
}
// Ranges are inclusive, so should be provided that way (from 2 to 10 includes 2 and 10)
if($value['from']) $query['sql_filter'][] = "cal_$field >= " . (int)$value['from'];
if($value['to']) $query['sql_filter'][] = "cal_$field <= " . (int)$value['to'];
}
if($query['sql_filter'] && is_array($query['sql_filter']))
{
// Set as an extra parameter
$sql_filter = implode(' AND ',$query['sql_filter']);
}
case 'all':
$events = $this->bo->search($query + array(
'offset' => 0,
'order' => 'cal_start',
),$sql_filter);
break;
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}
$export_object = new importexport_export_csv($_stream, (array)$options);
if (!$limit_exception) $export_object->export_limit = $export_limit;
$export_object->set_mapping($options['mapping']);
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$convert_fields = calendar_egw_record::$types;
$recurrence = $this->bo->recur_types;
$record = new calendar_egw_record();
foreach ($events as $event) {
// the condition below (2 lines) may only work on enum_recuring=false and using the iterator to test an recurring event on the given timerange
// Get rid of yearly recurring events that don't belong
//if($options['selection']['select'] == 'criteria' && ($event['start'] > $query['end'] || $event['end'] < $query['start'])) continue;
// Add in participants
if($options['mapping']['participants']) {
$event['participants'] = implode(", ",$this->bo->participants($event,true));
}
if (is_array($event))
{
$record->set_record($event);
if($options['mapping']['recurrence']) {
$record->recurrence = $recurrence[$record->recur_type];
if($record->recur_type != MCAL_RECUR_NONE) $record->recurrence .= ' / '. $record->recur_interval;
}
// Standard stuff
if($options['convert']) {
importexport_export_csv::convert($record, $convert_fields, 'calendar', $this->selects);
} else {
// Implode arrays, so they don't say 'Array'
foreach($record->get_record_array() as $key => $value) {
if(is_array($value)) $record->$key = implode(',', $value);
}
}
$export_object->export_record($record);
}
}
unset($record);
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return $export_object;
}
/**
* returns translated name of plugin
*
* @return string name
*/
public static function get_name() {
return lang('Calendar CSV export');
}
/**
* returns translated (user) description of plugin
*
* @return string descriprion
*/
public static function get_description() {
return lang("Exports events from your Calendar into a CSV File.");
}
/**
* retruns file suffix for exported file
*
* @return string suffix
*/
public static function get_filesuffix() {
return 'csv';
}
public static function get_mimetype() {
return 'text/csv';
}
/**
* return html for options.
*
*/
public function get_options_etpl($definition = null) {
}
/**
* returns selectors of this plugin
*
*/
public function get_selectors_etpl($definition = null) {
$states = $this->bo->cal_prefs['saved_states'];
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$list = Api\Cache::getSession('calendar', 'calendar_list');
if(!$list['startdate'])
{
switch($states['view']) {
case 'month':
$query = $this->get_query_month($states);
break;
case 'week':
case 'weekN':
$query = $this->get_query_week($states);
break;
case 'day':
$query = $this->get_query_day($states);
break;
}
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$start= new Api\DateTime($query['start']);
$end = new Api\DateTime($query['end']);
}
else
{
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$start= new Api\DateTime($list['startdate']);
$end = new Api\DateTime($list['enddate']);
}
if ($states['view'] == 'listview')
{
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$list = Api\Cache::getSession('calendar', 'calendar_list');
// Use UI to get dates
$ui = new calendar_uilist();
$list['csv_export'] = true; // so get_rows method _can_ produce different content or not store state in the session
$ui->get_rows($list,$rows,$readonlys);
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$start = $ui->first ? $ui->first : new Api\DateTime($ui->date);
$end = $ui->last;
// Special handling
if($list['filter'] == 'all') $start = $end = null;
if($list['filter'] == 'before')
{
$end = $start;
$start = null;
}
$ui = null;
}
elseif(!$end)
{
$end = '+1 ' . $states['view'];
$end = strtotime($end, $start->format('ts'))-1;
}
$prefs = unserialize($GLOBALS['egw_info']['user']['preferences']['importexport'][$definition->definition_id]);
$data = array(
'name' => 'calendar.export_csv_select',
'content' => array(
'plugin_override' => true, // Plugin overrides preferences
'selection' => $prefs['selection'] ? $prefs['selection'] : 'criteria',
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'criteria' => array(
'start' => is_object($start) ? $start->format('ts') : $start,
'end' => is_object($end) ? $end->format('ts') : $end,
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'owner' => $states['owner']
)
)
);
return $data;
}
/**
* Get additional query parameters used when in various views
* This stuff copied out of calendar_uiviews
*/
public static function get_query_month($states)
{
$timespan = array(
'start' => mktime(0,0,0,$states['month'],1,$states['year']),
'end' => mktime(0,0,0,$states['month']+1,1,$states['year'])-1
);
return $timespan;
}
public static function get_query_week($states)
{
$query = array();
$days = $states['days'];
$ui = new calendar_uiviews($states);
if (!$days)
{
$days = isset($_GET['days']) ? $_GET['days'] : $ui->cal_prefs['days_in_weekview'];
if ($days != 5) $days = 7;
}
if ($states['view'] == 'week' && $days == 4) // next 4 days view
{
$query['start'] = $this->bo->date2ts($states['date']);
$query['end'] = strtotime("+$days days",$query['start']) - 1;
}
else
{
$query['start'] = $ui->datetime->get_weekday_start($states['year'],$states['month'],$states['day']);
if ($days == 5) // no weekend-days
{
switch($ui->cal_prefs['weekdaystarts'])
{
case 'Saturday':
$query['start'] = strtotime("+2 days",$query['start']);
break;
case 'Sunday':
$query['start'] = strtotime("+1 day",$query['start']);
break;
}
}
$query['end'] = strtotime($states['view'] == 'week' ? "+$days days" : "+{$ui->cal_prefs['multiple_weeks']} weeks",$query['start']) - 1;
}
return $query;
}
public static function get_query_day($states)
{
$query = array();
$bo = new calendar_bo();
$query['start'] = $bo->date2ts((string)$states['date']);
$query['end'] = $query['start']+DAY_s-1;
return $query;
}
/**
* Get select options for use in filter
*/
protected function get_selects()
{
$this->selects['priority'] = Array(
0 => lang('None'),
1 => lang('Low'),
2 => lang('Normal'),
3 => lang('High')
);
$this->selects['filter'] = array(
'default' => lang('Not rejected'),
'accepted' => lang('Accepted'),
'unknown' => lang('Invitations'),
'tentative' => lang('Tentative'),
'delegated' => lang('Delegated'),
'rejected' => lang('Rejected'),
'owner' => lang('Owner too'),
'all' => lang('All incl. rejected'),
'hideprivate' => lang('Hide private infos'),
'showonlypublic' => lang('Hide private events'),
'no-enum-groups' => lang('only group-events'),
'not-unknown' => lang('No meeting requests'),
);
$states = $this->bo->cal_prefs['saved_states'];
}
/**
* Adjust automatically generated field filters
*/
public function get_filter_fields(Array &$filters)
{
// Calendar SO doesn't support filtering by column, so we have to remove pretty much everything
unset($filters['recur_date']);
// Add in the status filter at the beginning
$filters = array_reverse($filters, true);
$filters['filter'] = array(
'type' => 'select',
'name' => 'filter',
'label' => lang('Filter'),
);
$filters = array_reverse($filters, true);
foreach($filters as $field_name => &$settings)
{
// Can't filter on a custom field
if(strpos($field_name, '#') === 0)
{
unset($filters[$field_name]);
continue;
}
// Pass on select options
if($this->selects[$field_name]) $settings['values'] = $this->selects[$field_name];
}
}
/**
* Get the class name for the egw_record to use while exporting
*
* @return string;
*/
public static function get_egw_record_class()
{
return 'calendar_egw_record';
}
}