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https://git.sekbaer.de/Friendica/friendica.git
synced 2025-06-12 01:54:26 +02:00
move the cal addon (exporting calendars) to core
This commit is contained in:
rabuzarus
parent
80f5065eb0
commit
71c9f562ae
5 changed files with 298 additions and 2 deletions
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@ -10,8 +10,6 @@ require_once('include/datetime.php');
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function format_event_html($ev, $simple = false) {
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if(! ((is_array($ev)) && count($ev)))
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return '';
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@ -614,3 +612,220 @@ function process_events ($arr) {
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return $events;
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}
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/**
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* @brief Format event to export format (ical/csv)
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*
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* @param array $events Query result for events
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* @param string $format The output format (ical/csv)
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* @param string $timezone The timezone of the user (not implemented yet)
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*
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* @return string Content according to selected export format
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*/
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function event_format_export ($events, $format = 'ical', $timezone) {
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if(! ((is_array($events)) && count($events)))
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return;
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switch ($format) {
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// format the exported data as a CSV file
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case "csv":
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header("Content-type: text/csv");
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$o = '"Subject", "Start Date", "Start Time", "Description", "End Date", "End Time", "Location"' . PHP_EOL;
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foreach ($events as $event) {
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/// @todo the time / date entries don't include any information about the
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// timezone the event is scheduled in :-/
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$tmp1 = strtotime($event['start']);
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$tmp2 = strtotime($event['finish']);
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$time_format = "%H:%M:%S";
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$date_format = "%Y-%m-%d";
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$o .= '"'.$event['summary'].'", "'.strftime($date_format, $tmp1) .
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'", "'.strftime($time_format, $tmp1).'", "'.$event['desc'] .
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'", "'.strftime($date_format, $tmp2) .
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'", "'.strftime($time_format, $tmp2) .
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'", "'.$event['location'].'"' . PHP_EOL;
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}
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break;
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// format the exported data as a ics file
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case "ical":
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header("Content-type: text/ics");
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$o = 'BEGIN:VCALENDAR'. PHP_EOL
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. 'VERSION:2.0' . PHP_EOL
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. 'PRODID:-//friendica calendar export//0.1//EN' . PHP_EOL;
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/// @todo include timezone informations in cases were the time is not in UTC
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// see http://tools.ietf.org/html/rfc2445#section-4.8.3
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// . 'BEGIN:VTIMEZONE' . PHP_EOL
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// . 'TZID:' . $timezone . PHP_EOL
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// . 'END:VTIMEZONE' . PHP_EOL;
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// TODO instead of PHP_EOL CRLF should be used for long entries
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// but test your solution against http://icalvalid.cloudapp.net/
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// also long lines SHOULD be split at 75 characters length
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foreach ($events as $event) {
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if ($event['adjust'] == 1) {
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$UTC = 'Z';
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} else {
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$UTC = '';
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}
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$o .= 'BEGIN:VEVENT' . PHP_EOL;
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if ($event[start]) {
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$tmp = strtotime($event['start']);
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$dtformat = "%Y%m%dT%H%M%S".$UTC;
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$o .= 'DTSTART:'.strftime($dtformat, $tmp).PHP_EOL;
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}
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if ($event['finish']) {
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$tmp = strtotime($event['finish']);
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$dtformat = "%Y%m%dT%H%M%S".$UTC;
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$o .= 'DTEND:'.strftime($dtformat, $tmp).PHP_EOL;
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}
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if ($event['summary'])
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$tmp = $event['summary'];
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$tmp = str_replace(PHP_EOL, PHP_EOL.' ',$tmp);
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$tmp = addcslashes($tmp, ',;');
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$o .= 'SUMMARY:' . $tmp . PHP_EOL;
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if ($event['desc'])
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$tmp = $event['desc'];
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$tmp = str_replace(PHP_EOL, PHP_EOL.' ',$tmp);
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$tmp = addcslashes($tmp, ',;');
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$o .= 'DESCRIPTION:' . $tmp . PHP_EOL;
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if ($event['location']) {
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$tmp = $event['location'];
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$tmp = str_replace(PHP_EOL, PHP_EOL.' ',$tmp);
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$tmp = addcslashes($tmp, ',;');
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$o .= 'LOCATION:' . $tmp . PHP_EOL;
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}
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$o .= 'END:VEVENT' . PHP_EOL;
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$o .= PHP_EOL;
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}
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$o .= 'END:VCALENDAR' . PHP_EOL;
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break;
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}
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return $o;
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}
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/**
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* @brief Get all events for a user ID
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*
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* The query for events is done permission sensitive
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* If the user is the owner of the calendar he/she
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* will get all of his/her available events.
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* If the user is only a visitor only the public events will
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* be available
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*
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* @param int $uid The user ID
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* @param int $sql_extra Additional sql conditions for permission
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*
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* @return array Query results
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*/
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function events_by_uid($uid = 0, $sql_extra = '') {
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if($uid == 0)
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return;
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// The permission condition if no condition was transmitted
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if($sql_extra == '')
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$sql_extra = " AND `allow_cid` = '' AND `allow_gid` = '' ";
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// does the user who requests happen to be the owner of the events
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// requested? then show all of your events, otherwise only those that
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// don't have limitations set in allow_cid and allow_gid
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if (local_user() == $uid) {
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$r = q("SELECT `start`, `finish`, `adjust`, `summary`, `desc`, `location`
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FROM `event` WHERE `uid`= %d AND `cid` = 0 ",
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intval($uid)
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);
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} else {
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$r = q("SELECT `start`, `finish`, `adjust`, `summary`, `desc`, `location`FROM `event`
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WHERE `uid` = %d AND `cid` = 0 $sql_extra ",
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intval($uid)
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);
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}
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if(count($r))
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return $r;
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}
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/**
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*
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* @param int $uid The user ID
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* @param string $format Output format (ical/csv)
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* @return array With the results
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* bool 'success' => True if the processing was successful
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* string 'format' => The output format
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* string 'extension' => The file extension of the output format
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* string 'content' => The formatted output content
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*
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* @todo Respect authenticated users with events_by_uid()
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*/
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function event_export($uid, $format = 'ical') {
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$process = false;
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// we are allowed to show events
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// get the timezone the user is in
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$r = q("SELECT `timezone` FROM `user` WHERE `uid` = %d LIMIT 1", intval($uid));
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if (count($r))
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$timezone = $r[0]['timezone'];
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// get all events which are owned by a uid (respects permissions);
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$events = events_by_uid($uid);
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// we have the events that are available for the requestor
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// now format the output according to the requested format
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if(count($events))
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$res = event_format_export($events, $format, $timezone);
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// If there are results the precess was successfull
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if(x($res))
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$process = true;
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// get the file extension for the format
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switch ($format) {
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case "ical":
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$file_ext = "ics";
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break;
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case "csv":
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$file_ext = "csv";
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break;
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default:
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$file_ext = "";
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}
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$arr = array(
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'success' => $process,
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'format' => $format,
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'extension' => $file_ext,
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'content' => $res,
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);
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return $arr;
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}
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/**
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* @brief Get the events widget
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*
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* @return string Formated html of the evens widget
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*/
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function widget_events() {
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$a = get_app();
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$owner_uid = $a->data['user']['uid'];
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// $a->data is only available if the profile page is visited. If the visited page is not part
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// of the profile page it should be the personal /events page. So we can use $a->user
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$user = ($a->data['user']['nickname'] ? $a->data['user']['nickname'] : $a->user['nickname']);
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if( !(local_user() )&& !(feature_enabled($owner_uid, "export_calendar")) )
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return;
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return replace_macros(get_markup_template("events_aside.tpl"), array(
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'$etitle' => t("Export"),
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'$export_ical' => t("Export calendar as ical"),
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'$export_csv' => t("Export calendar as csv"),
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'$user' => $user
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));
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}
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