<?php
+/**
+ * @file include/event.php
+ * @brief functions specific to event handling
+ */
+require_once('include/bbcode.php');
+require_once('include/map.php');
+require_once('include/datetime.php');
-function format_event_html($ev) {
-
- require_once('include/bbcode.php');
+function format_event_html($ev, $simple = false) {
if(! ((is_array($ev)) && count($ev)))
return '';
- $bd_format = t('l F d, Y \@ g A') ; // Friday January 18, 2011 @ 8 AM
+ $bd_format = t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
+
+ $event_start = (($ev['adjust']) ? day_translate(datetime_convert('UTC', date_default_timezone_get(),
+ $ev['start'] , $bd_format ))
+ : day_translate(datetime_convert('UTC', 'UTC',
+ $ev['start'] , $bd_format)));
+
+ $event_end = (($ev['adjust']) ? day_translate(datetime_convert('UTC', date_default_timezone_get(),
+ $ev['finish'] , $bd_format ))
+ : day_translate(datetime_convert('UTC', 'UTC',
+ $ev['finish'] , $bd_format )));
+
+ if ($simple) {
+ $o = "<h3>".bbcode($ev['summary'])."</h3>";
+
+ $o .= "<p>".bbcode($ev['desc'])."</p>";
+
+ $o .= "<h4>".t('Starts:')."</h4><p>".$event_start."</p>";
+
+ if(! $ev['nofinish'])
+ $o .= "<h4>".t('Finishes:')."</h4><p>".$event_end."</p>";
+
+ if(strlen($ev['location']))
+ $o .= "<h4>".t('Location:')."</h4><p>".$ev['location']."</p>";
+
+ return $o;
+ }
+
+ $o = '<div class="vevent">' . "\r\n";
+
- $o = '<div class="vevent">';
+ $o .= '<p class="summary event-summary">' . bbcode($ev['summary']) . '</p>' . "\r\n";
- $o .= '<p class="description event-description">' . bbcode($ev['desc']) . '</p>';
+ $o .= '<p class="description event-description">' . bbcode($ev['desc']) . '</p>' . "\r\n";
$o .= '<p class="event-start">' . t('Starts:') . ' <abbr class="dtstart" title="'
. datetime_convert('UTC','UTC',$ev['start'], (($ev['adjust']) ? ATOM_TIME : 'Y-m-d\TH:i:s' ))
- . '" >'
- . (($ev['adjust']) ? day_translate(datetime_convert('UTC', date_default_timezone_get(),
- $ev['start'] , $bd_format ))
- : day_translate(datetime_convert('UTC', 'UTC',
- $ev['start'] , $bd_format)))
- . '</abbr></p>';
+ . '" >'.$event_start
+ . '</abbr></p>' . "\r\n";
if(! $ev['nofinish'])
$o .= '<p class="event-end" >' . t('Finishes:') . ' <abbr class="dtend" title="'
. datetime_convert('UTC','UTC',$ev['finish'], (($ev['adjust']) ? ATOM_TIME : 'Y-m-d\TH:i:s' ))
- . '" >'
- . (($ev['adjust']) ? day_translate(datetime_convert('UTC', date_default_timezone_get(),
- $ev['finish'] , $bd_format ))
- : day_translate(datetime_convert('UTC', 'UTC',
- $ev['finish'] , $bd_format )))
- . '</abbr></p>';
+ . '" >'.$event_end
+ . '</abbr></p>' . "\r\n";
- if(strlen($ev['location']))
- $o .= '<p class="event-location"> ' . t('Location:') . ' <span class="location">'
- . bbcode($ev['location'])
- . '</span></p>';
+ if(strlen($ev['location'])){
+ $o .= '<p class="event-location"> ' . t('Location:') . ' <span class="location">'
+ . bbcode($ev['location'])
+ . '</span></p>' . "\r\n";
+
+ if (strpos($ev['location'], "[map") !== False) {
+ $map = generate_named_map($ev['location']);
+ if ($map!==$ev['location']) $o.=$map;
+ }
- $o .= '</div>';
+ }
+
+ $o .= '</div>' . "\r\n";
return $o;
}
-
+/*
function parse_event($h) {
require_once('include/Scrape.php');
- require_once('library/HTMLPurifier.auto.php');
require_once('include/html2bbcode');
$h = '<html><body>' . $h . '</body></html>';
$ret = array();
- $dom = HTML5_Parser::parse($h);
+
+ try {
+ $dom = HTML5_Parser::parse($h);
+ } catch (DOMException $e) {
+ logger('parse_event: parse error: ' . $e);
+ }
if(! $dom)
return $ret;
return $ret;
}
-
+*/
function format_event_bbcode($ev) {
$o = '';
+ if($ev['summary'])
+ $o .= '[event-summary]' . $ev['summary'] . '[/event-summary]';
+
if($ev['desc'])
$o .= '[event-description]' . $ev['desc'] . '[/event-description]';
if(($ev['finish']) && (! $ev['nofinish']))
$o .= '[event-finish]' . $ev['finish'] . '[/event-finish]';
-
+
if($ev['location'])
$o .= '[event-location]' . $ev['location'] . '[/event-location]';
$ev = array();
+ $match = '';
+ if(preg_match("/\[event\-summary\](.*?)\[\/event\-summary\]/is",$s,$match))
+ $ev['summary'] = $match[1];
$match = '';
if(preg_match("/\[event\-description\](.*?)\[\/event\-description\]/is",$s,$match))
$ev['desc'] = $match[1];
$match = '';
if(preg_match("/\[event\-adjust\](.*?)\[\/event\-adjust\]/is",$s,$match))
$ev['adjust'] = $match[1];
- $match = '';
- $ev['nofinish'] = (($ev['start'] && (! $ev['finish'])) ? 1 : 0);
+ $ev['nofinish'] = (((x($ev, 'start') && $ev['start']) && (!x($ev, 'finish') || !$ev['finish'])) ? 1 : 0);
return $ev;
}
$date_a = (($a['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$a['start']) : $a['start']);
$date_b = (($b['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$b['start']) : $b['start']);
-
+
+ if($date_a === $date_b)
+ return strcasecmp($a['desc'],$b['desc']);
+
return strcmp($date_a,$date_b);
}
+function event_delete($event_id) {
+ if ($event_id == 0)
+ return;
+ q("DELETE FROM `event` WHERE `id` = %d", intval($event_id));
+ logger("Deleted event ".$event_id, LOGGER_DEBUG);
+}
function event_store($arr) {
$a = get_app();
$arr['created'] = (($arr['created']) ? $arr['created'] : datetime_convert());
- $arr['edited'] = (($arr['edited']) ? $arr['edited'] : datetime_convert());
- $arr['type'] = (($arr['type']) ? $arr['type'] : 'event' );
- $arr['cid'] = ((intval($arr['cid'])) ? intval($arr['cid']) : 0);
+ $arr['edited'] = (($arr['edited']) ? $arr['edited'] : datetime_convert());
+ $arr['type'] = (($arr['type']) ? $arr['type'] : 'event' );
+ $arr['cid'] = ((intval($arr['cid'])) ? intval($arr['cid']) : 0);
+ $arr['uri'] = (x($arr,'uri') ? $arr['uri'] : item_new_uri($a->get_hostname(),$arr['uid']));
+ $arr['private'] = ((x($arr,'private')) ? intval($arr['private']) : 0);
if($arr['cid'])
$c = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
$contact = $c[0];
+ // Existing event being modified
+
if($arr['id']) {
+
+ // has the event actually changed?
+
+ $r = q("SELECT * FROM `event` WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ intval($arr['id']),
+ intval($arr['uid'])
+ );
+ if((! count($r)) || ($r[0]['edited'] === $arr['edited'])) {
+
+ // Nothing has changed. Grab the item id to return.
+
+ $r = q("SELECT * FROM `item` WHERE `event-id` = %d AND `uid` = %d LIMIT 1",
+ intval($arr['id']),
+ intval($arr['uid'])
+ );
+ return((count($r)) ? $r[0]['id'] : 0);
+ }
+
+ // The event changed. Update it.
+
$r = q("UPDATE `event` SET
`edited` = '%s',
`start` = '%s',
`finish` = '%s',
+ `summary` = '%s',
`desc` = '%s',
`location` = '%s',
`type` = '%s',
`adjust` = %d,
- `nofinish` = %d,
- `allow_cid` = '%s',
- `allow_gid` = '%s',
- `deny_cid` = '%s',
- `deny_gid` = '%s'
- WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ `nofinish` = %d
+ WHERE `id` = %d AND `uid` = %d",
dbesc($arr['edited']),
dbesc($arr['start']),
dbesc($arr['finish']),
+ dbesc($arr['summary']),
dbesc($arr['desc']),
dbesc($arr['location']),
dbesc($arr['type']),
intval($arr['adjust']),
intval($arr['nofinish']),
- dbesc($arr['allow_cid']),
- dbesc($arr['allow_gid']),
- dbesc($arr['deny_cid']),
- dbesc($arr['deny_gid']),
intval($arr['id']),
intval($arr['uid'])
);
intval($arr['id']),
intval($arr['uid'])
);
- if(count($r))
- return $r[0]['id'];
- else
- return 0;
+ if(count($r)) {
+ $object = '<object><type>' . xmlify(ACTIVITY_OBJ_EVENT) . '</type><title></title><id>' . xmlify($arr['uri']) . '</id>';
+ $object .= '<content>' . xmlify(format_event_bbcode($arr)) . '</content>';
+ $object .= '</object>' . "\n";
+
+
+ q("UPDATE `item` SET `body` = '%s', `object` = '%s', `edited` = '%s' WHERE `id` = %d AND `uid` = %d",
+ dbesc(format_event_bbcode($arr)),
+ dbesc($object),
+ dbesc($arr['edited']),
+ intval($r[0]['id']),
+ intval($arr['uid'])
+ );
+
+ $item_id = $r[0]['id'];
+ } else
+ $item_id = 0;
+
+ call_hooks("event_updated", $arr['id']);
+
+ return $item_id;
}
else {
- $uri = item_new_uri($a->get_hostname(),local_user());
+ // New event. Store it.
- $r = q("INSERT INTO `event` ( `uid`,`cid`,`uri`,`created`,`edited`,`start`,`finish`,`desc`,`location`,`type`,
+ $r = q("INSERT INTO `event` ( `uid`,`cid`,`uri`,`created`,`edited`,`start`,`finish`,`summary`, `desc`,`location`,`type`,
`adjust`,`nofinish`,`allow_cid`,`allow_gid`,`deny_cid`,`deny_gid`)
- VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s' ) ",
+ VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s' ) ",
intval($arr['uid']),
intval($arr['cid']),
- dbesc($uri),
+ dbesc($arr['uri']),
dbesc($arr['created']),
dbesc($arr['edited']),
dbesc($arr['start']),
dbesc($arr['finish']),
+ dbesc($arr['summary']),
dbesc($arr['desc']),
dbesc($arr['location']),
dbesc($arr['type']),
);
$r = q("SELECT * FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
- dbesc($uri),
+ dbesc($arr['uri']),
intval($arr['uid'])
);
if(count($r))
$item_arr['uid'] = $arr['uid'];
$item_arr['contact-id'] = $arr['cid'];
- $item_arr['uri'] = $uri;
- $item_arr['parent-uri'] = $uri;
+ $item_arr['uri'] = $arr['uri'];
+ $item_arr['parent-uri'] = $arr['uri'];
+ $item_arr['guid'] = $arr['guid'];
$item_arr['type'] = 'activity';
- $item_arr['wall'] = 1;
+ $item_arr['wall'] = (($arr['cid']) ? 0 : 1);
$item_arr['contact-id'] = $contact['id'];
$item_arr['owner-name'] = $contact['name'];
$item_arr['owner-link'] = $contact['url'];
$item_arr['author-link'] = $contact['url'];
$item_arr['author-avatar'] = $contact['thumb'];
$item_arr['title'] = '';
- $item_arr['allow_cid'] = $str_contact_allow;
- $item_arr['allow_gid'] = $str_group_allow;
- $item_arr['deny_cid'] = $str_contact_deny;
- $item_arr['deny_gid'] = $str_group_deny;
+ $item_arr['allow_cid'] = $arr['allow_cid'];
+ $item_arr['allow_gid'] = $arr['allow_gid'];
+ $item_arr['deny_cid'] = $arr['deny_cid'];
+ $item_arr['deny_gid'] = $arr['deny_gid'];
+ $item_arr['private'] = $arr['private'];
$item_arr['last-child'] = 1;
$item_arr['visible'] = 1;
$item_arr['verb'] = ACTIVITY_POST;
$item_arr['object-type'] = ACTIVITY_OBJ_EVENT;
-
+ $item_arr['origin'] = ((intval($arr['cid']) == 0) ? 1 : 0);
$item_arr['body'] = format_event_bbcode($event);
- $item_arr['object'] = '<object><type>' . xmlify(ACTIVITY_OBJ_EVENT) . '</type><title></title><id>' . xmlify($uri) . '</id>';
+ $item_arr['object'] = '<object><type>' . xmlify(ACTIVITY_OBJ_EVENT) . '</type><title></title><id>' . xmlify($arr['uri']) . '</id>';
$item_arr['object'] .= '<content>' . xmlify(format_event_bbcode($event)) . '</content>';
$item_arr['object'] .= '</object>' . "\n";
$r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
intval($arr['uid'])
);
- if(count($r))
- $plink = $a->get_baseurl() . '/display/' . $r[0]['nickname'] . '/' . $item_id;
+ //if(count($r))
+ // $plink = $a->get_baseurl() . '/display/' . $r[0]['nickname'] . '/' . $item_id;
if($item_id) {
- q("UPDATE `item` SET `plink` = '%s', `event-id` = %d WHERE `uid` = %d AND `id` = %d LIMIT 1",
- dbesc($plink),
+ //q("UPDATE `item` SET `plink` = '%s', `event-id` = %d WHERE `uid` = %d AND `id` = %d",
+ // dbesc($plink),
+ // intval($event['id']),
+ // intval($arr['uid']),
+ // intval($item_id)
+ //);
+ q("UPDATE `item` SET `event-id` = %d WHERE `uid` = %d AND `id` = %d",
intval($event['id']),
intval($arr['uid']),
intval($item_id)
);
}
+
+ call_hooks("event_created", $event['id']);
+
return $item_id;
}
}
+
+function get_event_strings() {
+ // First day of the week (0 = Sunday)
+ $firstDay = get_pconfig(local_user(),'system','first_day_of_week');
+ if ($firstDay === false) $firstDay=0;
+
+ $i18n = array(
+ "firstDay" => $firstDay,
+ "Sun" => t("Sun"),
+ "Mon" => t("Mon"),
+ "Tue" => t("Tue"),
+ "Wed" => t("Wed"),
+ "Thu" => t("Thu"),
+ "Fri" => t("Fri"),
+ "Sat" => t("Sat"),
+ "Sunday" => t("Sunday"),
+ "Monday" => t("Monday"),
+ "Tuesday" => t("Tuesday"),
+ "Wednesday" => t("Wednesday"),
+ "Thursday" => t("Thursday"),
+ "Friday" => t("Friday"),
+ "Saturday" => t("Saturday"),
+ "Jan" => t("Jan"),
+ "Feb" => t("Feb"),
+ "Mar" => t("Mar"),
+ "Apr" => t("Apr"),
+ "May" => t("May"),
+ "Jun" => t("Jun"),
+ "Jul" => t("Jul"),
+ "Aug" => t("Aug"),
+ "Sep" => t("Sept"),
+ "Oct" => t("Oct"),
+ "Nov" => t("Nov"),
+ "Dec" => t("Dec"),
+ "January" => t("January"),
+ "February" => t("February"),
+ "March" => t("March"),
+ "April" => t("April"),
+ "May" => t("May"),
+ "June" => t("June"),
+ "July" => t("July"),
+ "August" => t("August"),
+ "September" => t("September"),
+ "October" => t("October"),
+ "November" => t("November"),
+ "December" => t("December"),
+ "today" => t("today"),
+ "month" => t("month"),
+ "week" => t("week"),
+ "day" => t("day"),
+ "allday" => t("all-day"),
+
+ "noevent" => t("No events to display"),
+
+ "dtstart_label" => t("Starts:"),
+ "dtend_label" => t("Finishes:"),
+ "location_label" => t("Location:")
+ );
+
+ return $i18n;
+}
+
+/**
+ * @brief Get an event by its event ID
+ *
+ * @param type $owner_uid The User ID of the owner of the event
+ * @param type $event_params An assoziative array with
+ * int 'event_id' => The ID of the event in the event table
+ * @param type $sql_extra
+ * @return array Query result
+ */
+function event_by_id($owner_uid = 0, $event_params, $sql_extra = '') {
+ // ownly allow events if there is a valid owner_id
+ if($owner_uid == 0)
+ return;
+
+ // query for the event by event id
+ $r = q("SELECT `event`.*, `item`.`id` AS `itemid`,`item`.`plink`,
+ `item`.`author-name`, `item`.`author-avatar`, `item`.`author-link` FROM `event`
+ STRAIGHT_JOIN `item` ON `item`.`event-id` = `event`.`id` AND `item`.`uid` = `event`.`uid`
+ WHERE `event`.`uid` = %d AND `event`.`id` = %d $sql_extra",
+ intval($owner_uid),
+ intval($event_params["event_id"])
+ );
+
+ if(count($r))
+ return $r;
+
+}
+
+/**
+ * @brief Get all events in a specific timeframe
+ *
+ * @param int $owner_uid The User ID of the owner of the events
+ * @param array $event_params An assoziative array with
+ * int 'ignored' =>
+ * string 'start' => Start time of the timeframe
+ * string 'finish' => Finish time of the timeframe
+ * string 'adjust_start' =>
+ * string 'adjust_start' =>
+ *
+ * @param string $sql_extra Additional sql conditions (e.g. permission request)
+ * @return array Query results
+ */
+function events_by_date($owner_uid = 0, $event_params, $sql_extra = '') {
+ // ownly allow events if there is a valid owner_id
+ if($owner_uid == 0)
+ return;
+
+ // query for the event by date
+ $r = q("SELECT `event`.*, `item`.`id` AS `itemid`,`item`.`plink`,
+ `item`.`author-name`, `item`.`author-avatar`, `item`.`author-link` FROM `event`
+ STRAIGHT_JOIN `item` ON `item`.`event-id` = `event`.`id` AND `item`.`uid` = `event`.`uid`
+ WHERE `event`.`uid` = %d AND event.ignore = %d
+ AND ((`adjust` = 0 AND (`finish` >= '%s' OR (nofinish AND start >= '%s')) AND `start` <= '%s')
+ OR (`adjust` = 1 AND (`finish` >= '%s' OR (nofinish AND start >= '%s')) AND `start` <= '%s'))
+ $sql_extra ",
+ intval($owner_uid),
+ intval($event_params["ignored"]),
+ dbesc($event_params["start"]),
+ dbesc($event_params["start"]),
+ dbesc($event_params["finish"]),
+ dbesc($event_params["adjust_start"]),
+ dbesc($event_params["adjust_start"]),
+ dbesc($event_params["adjust_finish"])
+ );
+
+ if(count($r))
+ return $r;
+}
+
+/**
+ * @brief Convert an array query results in an arry which could be used by the events template
+ *
+ * @param array $arr Event query array
+ * @return array Event array for the template
+ */
+function process_events ($arr) {
+ $events=array();
+
+ $last_date = '';
+ $fmt = t('l, F j');
+ if (count($arr)) {
+ foreach($arr as $rr) {
+
+ $j = (($rr['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$rr['start'], 'j') : datetime_convert('UTC','UTC',$rr['start'],'j'));
+ $d = (($rr['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$rr['start'], $fmt) : datetime_convert('UTC','UTC',$rr['start'],$fmt));
+ $d = day_translate($d);
+
+ $start = (($rr['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$rr['start'], 'c') : datetime_convert('UTC','UTC',$rr['start'],'c'));
+ if ($rr['nofinish']){
+ $end = null;
+ } else {
+ $end = (($rr['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$rr['finish'], 'c') : datetime_convert('UTC','UTC',$rr['finish'],'c'));
+ }
+
+
+ $is_first = ($d !== $last_date);
+
+ $last_date = $d;
+ $edit = ((! $rr['cid']) ? array(App::get_baseurl().'/events/event/'.$rr['id'],t('Edit event'),'','') : null);
+ $title = strip_tags(html_entity_decode(bbcode($rr['summary']),ENT_QUOTES,'UTF-8'));
+ if(! $title) {
+ list($title, $_trash) = explode("<br",bbcode($rr['desc']),2);
+ $title = strip_tags(html_entity_decode($title,ENT_QUOTES,'UTF-8'));
+ }
+
+ $html = format_event_html($rr);
+ $rr['desc'] = bbcode($rr['desc']);
+ $rr['location'] = bbcode($rr['location']);
+ $events[] = array(
+ 'id'=>$rr['id'],
+ 'start'=> $start,
+ 'end' => $end,
+ 'allDay' => false,
+ 'title' => $title,
+
+ 'j' => $j,
+ 'd' => $d,
+ 'is_first'=>$is_first,
+ 'item'=>$rr,
+ 'html'=>$html,
+ 'plink' => array($rr['plink'],t('link to source'),'',''),
+ );
+ }
+ }
+
+ return $events;
+}
+
+/**
+ * @brief Format event to export format (ical/csv)
+ *
+ * @param array $events Query result for events
+ * @param string $format The output format (ical/csv)
+ * @param string $timezone The timezone of the user (not implemented yet)
+ *
+ * @return string Content according to selected export format
+ */
+function event_format_export ($events, $format = 'ical', $timezone) {
+ if(! ((is_array($events)) && count($events)))
+ return;
+
+ switch ($format) {
+ // format the exported data as a CSV file
+ case "csv":
+ header("Content-type: text/csv");
+ $o = '"Subject", "Start Date", "Start Time", "Description", "End Date", "End Time", "Location"' . PHP_EOL;
+
+ foreach ($events as $event) {
+ /// @todo the time / date entries don't include any information about the
+ // timezone the event is scheduled in :-/
+ $tmp1 = strtotime($event['start']);
+ $tmp2 = strtotime($event['finish']);
+ $time_format = "%H:%M:%S";
+ $date_format = "%Y-%m-%d";
+ $o .= '"'.$event['summary'].'", "'.strftime($date_format, $tmp1) .
+ '", "'.strftime($time_format, $tmp1).'", "'.$event['desc'] .
+ '", "'.strftime($date_format, $tmp2) .
+ '", "'.strftime($time_format, $tmp2) .
+ '", "'.$event['location'].'"' . PHP_EOL;
+ }
+ break;
+
+ // format the exported data as a ics file
+ case "ical":
+ header("Content-type: text/ics");
+ $o = 'BEGIN:VCALENDAR'. PHP_EOL
+ . 'VERSION:2.0' . PHP_EOL
+ . 'PRODID:-//friendica calendar export//0.1//EN' . PHP_EOL;
+ /// @todo include timezone informations in cases were the time is not in UTC
+ // see http://tools.ietf.org/html/rfc2445#section-4.8.3
+ // . 'BEGIN:VTIMEZONE' . PHP_EOL
+ // . 'TZID:' . $timezone . PHP_EOL
+ // . 'END:VTIMEZONE' . PHP_EOL;
+ // TODO instead of PHP_EOL CRLF should be used for long entries
+ // but test your solution against http://icalvalid.cloudapp.net/
+ // also long lines SHOULD be split at 75 characters length
+ foreach ($events as $event) {
+ if ($event['adjust'] == 1) {
+ $UTC = 'Z';
+ } else {
+ $UTC = '';
+ }
+ $o .= 'BEGIN:VEVENT' . PHP_EOL;
+ if ($event[start]) {
+ $tmp = strtotime($event['start']);
+ $dtformat = "%Y%m%dT%H%M%S".$UTC;
+ $o .= 'DTSTART:'.strftime($dtformat, $tmp).PHP_EOL;
+ }
+ if (!$event['nofinish']) {
+ $tmp = strtotime($event['finish']);
+ $dtformat = "%Y%m%dT%H%M%S".$UTC;
+ $o .= 'DTEND:'.strftime($dtformat, $tmp).PHP_EOL;
+ }
+ if ($event['summary'])
+ $tmp = $event['summary'];
+ $tmp = str_replace(PHP_EOL, PHP_EOL.' ',$tmp);
+ $tmp = addcslashes($tmp, ',;');
+ $o .= 'SUMMARY:' . $tmp . PHP_EOL;
+ if ($event['desc'])
+ $tmp = $event['desc'];
+ $tmp = str_replace(PHP_EOL, PHP_EOL.' ',$tmp);
+ $tmp = addcslashes($tmp, ',;');
+ $o .= 'DESCRIPTION:' . $tmp . PHP_EOL;
+ if ($event['location']) {
+ $tmp = $event['location'];
+ $tmp = str_replace(PHP_EOL, PHP_EOL.' ',$tmp);
+ $tmp = addcslashes($tmp, ',;');
+ $o .= 'LOCATION:' . $tmp . PHP_EOL;
+ }
+
+ $o .= 'END:VEVENT' . PHP_EOL;
+ $o .= PHP_EOL;
+ }
+
+ $o .= 'END:VCALENDAR' . PHP_EOL;
+ break;
+ }
+
+ return $o;
+}
+
+/**
+ * @brief Get all events for a user ID
+ *
+ * The query for events is done permission sensitive
+ * If the user is the owner of the calendar he/she
+ * will get all of his/her available events.
+ * If the user is only a visitor only the public events will
+ * be available
+ *
+ * @param int $uid The user ID
+ * @param int $sql_extra Additional sql conditions for permission
+ *
+ * @return array Query results
+ */
+function events_by_uid($uid = 0, $sql_extra = '') {
+ if($uid == 0)
+ return;
+
+ // The permission condition if no condition was transmitted
+ if($sql_extra == '')
+ $sql_extra = " AND `allow_cid` = '' AND `allow_gid` = '' ";
+
+ // does the user who requests happen to be the owner of the events
+ // requested? then show all of your events, otherwise only those that
+ // don't have limitations set in allow_cid and allow_gid
+ if (local_user() == $uid) {
+ $r = q("SELECT `start`, `finish`, `adjust`, `summary`, `desc`, `location`, `nofinish`
+ FROM `event` WHERE `uid`= %d AND `cid` = 0 ",
+ intval($uid)
+ );
+ } else {
+ $r = q("SELECT `start`, `finish`, `adjust`, `summary`, `desc`, `location`, `nofinish`
+ FROM `event` WHERE `uid`= %d AND `cid` = 0 $sql_extra ",
+ intval($uid)
+ );
+ }
+
+ if(count($r))
+ return $r;
+}
+
+/**
+ *
+ * @param int $uid The user ID
+ * @param string $format Output format (ical/csv)
+ * @return array With the results
+ * bool 'success' => True if the processing was successful
+ * string 'format' => The output format
+ * string 'extension' => The file extension of the output format
+ * string 'content' => The formatted output content
+ *
+ * @todo Respect authenticated users with events_by_uid()
+ */
+function event_export($uid, $format = 'ical') {
+
+ $process = false;
+
+ // we are allowed to show events
+ // get the timezone the user is in
+ $r = q("SELECT `timezone` FROM `user` WHERE `uid` = %d LIMIT 1", intval($uid));
+ if (count($r))
+ $timezone = $r[0]['timezone'];
+
+ // get all events which are owned by a uid (respects permissions);
+ $events = events_by_uid($uid);
+
+ // we have the events that are available for the requestor
+ // now format the output according to the requested format
+ if(count($events))
+ $res = event_format_export($events, $format, $timezone);
+
+ // If there are results the precess was successfull
+ if(x($res))
+ $process = true;
+
+ // get the file extension for the format
+ switch ($format) {
+ case "ical":
+ $file_ext = "ics";
+ break;
+
+ case "csv":
+ $file_ext = "csv";
+ break;
+
+ default:
+ $file_ext = "";
+ }
+
+ $arr = array(
+ 'success' => $process,
+ 'format' => $format,
+ 'extension' => $file_ext,
+ 'content' => $res,
+ );
+
+ return $arr;
+}
+
+/**
+ * @brief Get the events widget
+ *
+ * @return string Formated html of the evens widget
+ */
+function widget_events() {
+ $a = get_app();
+
+ $owner_uid = $a->data['user']['uid'];
+ // $a->data is only available if the profile page is visited. If the visited page is not part
+ // of the profile page it should be the personal /events page. So we can use $a->user
+ $user = ($a->data['user']['nickname'] ? $a->data['user']['nickname'] : $a->user['nickname']);
+
+
+ // The permission testing is a little bit tricky because we have to respect many cases
+
+ // It's not the private events page (we don't get the $owner_uid for /events)
+ if(! local_user() && ! $owner_uid)
+ return;
+
+ // Cal logged in user (test permission at foreign profile page)
+ // If the $owner uid is available we know it is part of one of the profile pages (like /cal)
+ // So we have to test if if it's the own profile page of the logged in user
+ // or a foreign one. For foreign profile pages we need to check if the feature
+ // for exporting the cal is enabled (otherwise the widget would appear for logged in users
+ // on foreigen profile pages even if the widget is disabled)
+ if(intval($owner_uid) && local_user() !== $owner_uid && ! feature_enabled($owner_uid, "export_calendar"))
+ return;
+
+ // If it's a kind of profile page (intval($owner_uid)) return if the user not logged in and
+ // export feature isn't enabled
+ if(intval($owner_uid) && ! local_user() && ! feature_enabled($owner_uid, "export_calendar"))
+ return;
+
+ return replace_macros(get_markup_template("events_aside.tpl"), array(
+ '$etitle' => t("Export"),
+ '$export_ical' => t("Export calendar as ical"),
+ '$export_csv' => t("Export calendar as csv"),
+ '$user' => $user
+ ));
+
+}