friendica_2021-01/include/event.php
Adam Magness 11cf36105c Update Addon functions and calls
Update function names and calls for Addon class.
2018-01-20 07:48:22 -05:00

1041 lines
32 KiB
PHP
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<?php
/**
* @file include/event.php
* @brief functions specific to event handling
*/
use Friendica\App;
use Friendica\Content\Feature;
use Friendica\Core\Addon;
use Friendica\Core\PConfig;
use Friendica\Core\System;
use Friendica\Database\DBM;
use Friendica\Model\Profile;
use Friendica\Util\Map;
require_once 'include/bbcode.php';
require_once 'include/datetime.php';
require_once 'include/conversation.php';
function format_event_html($ev, $simple = false) {
if (! ((is_array($ev)) && count($ev))) {
return '';
}
$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>";
$o .= "<div>" . bbcode($ev['desc']) . "</div>";
$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";
$o .= '<div class="summary event-summary">' . bbcode($ev['summary']) . '</div>' . "\r\n";
$o .= '<div class="event-start"><span class="event-label">' . t('Starts:') . '</span>&nbsp;<span class="dtstart" title="'
. datetime_convert('UTC', 'UTC', $ev['start'], (($ev['adjust']) ? ATOM_TIME : 'Y-m-d\TH:i:s' ))
. '" >'.$event_start
. '</span></div>' . "\r\n";
if (! $ev['nofinish']) {
$o .= '<div class="event-end" ><span class="event-label">' . t('Finishes:') . '</span>&nbsp;<span class="dtend" title="'
. datetime_convert('UTC', 'UTC', $ev['finish'], (($ev['adjust']) ? ATOM_TIME : 'Y-m-d\TH:i:s' ))
. '" >'.$event_end
. '</span></div>' . "\r\n";
}
$o .= '<div class="description event-description">' . bbcode($ev['desc']) . '</div>' . "\r\n";
if (strlen($ev['location'])) {
$o .= '<div class="event-location"><span class="event-label">' . t('Location:') . '</span>&nbsp;<span class="location">'
. bbcode($ev['location'])
. '</span></div>' . "\r\n";
// Include a map of the location if the [map] BBCode is used.
if (strpos($ev['location'], "[map") !== false) {
$map = Map::byLocation($ev['location']);
if ($map !== $ev['location']) {
$o.= $map;
}
}
}
$o .= '</div>' . "\r\n";
return $o;
}
/**
* @brief Convert an array with event data to bbcode.
*
* @param array $ev Array which conains the event data.
* @return string The event as a bbcode formatted string.
*/
function format_event_bbcode($ev) {
$o = '';
if ($ev['summary']) {
$o .= '[event-summary]' . $ev['summary'] . '[/event-summary]';
}
if ($ev['desc']) {
$o .= '[event-description]' . $ev['desc'] . '[/event-description]';
}
if ($ev['start']) {
$o .= '[event-start]' . $ev['start'] . '[/event-start]';
}
if (($ev['finish']) && (! $ev['nofinish'])) {
$o .= '[event-finish]' . $ev['finish'] . '[/event-finish]';
}
if ($ev['location']) {
$o .= '[event-location]' . $ev['location'] . '[/event-location]';
}
if ($ev['adjust']) {
$o .= '[event-adjust]' . $ev['adjust'] . '[/event-adjust]';
}
return $o;
}
/**
* @brief Extract bbcode formatted event data from a string
* and convert it to html.
*
* @params: string $s The string which should be parsed for event data.
* @return string The html output.
*/
function bbtovcal($s) {
$o = '';
$ev = bbtoevent($s);
if ($ev['desc']) {
$o = format_event_html($ev);
}
return $o;
}
/**
* @brief Extract bbcode formatted event data from a string.
*
* @params: string $s The string which should be parsed for event data.
* @return array The array with the event information.
*/
function bbtoevent($s) {
$ev = [];
$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("/\[event\-start\](.*?)\[\/event\-start\]/is", $s, $match)) {
$ev['start'] = $match[1];
}
$match = '';
if (preg_match("/\[event\-finish\](.*?)\[\/event\-finish\]/is", $s, $match)) {
$ev['finish'] = $match[1];
}
$match = '';
if (preg_match("/\[event\-location\](.*?)\[\/event\-location\]/is", $s, $match)) {
$ev['location'] = $match[1];
}
$match = '';
if (preg_match("/\[event\-adjust\](.*?)\[\/event\-adjust\]/is", $s, $match)) {
$ev['adjust'] = $match[1];
}
$ev['nofinish'] = (((x($ev, 'start') && $ev['start']) && (!x($ev, 'finish') || !$ev['finish'])) ? 1 : 0);
return $ev;
}
function sort_by_date($a) {
usort($a,'ev_compare');
return $a;
}
function ev_compare($a,$b) {
$date_a = (($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);
}
/**
* @brief Delete an event from the event table.
*
* Note: This function does only delete the event from the event table not its
* related entry in the item table.
*
* @param int $event_id Event ID.
* @return void
*/
function event_delete($event_id) {
if ($event_id == 0) {
return;
}
dba::delete('event', ['id' => $event_id]);
logger("Deleted event ".$event_id, LOGGER_DEBUG);
}
/**
* @brief Store the event.
*
* Store the event in the event table and create an event item in the item table.
*
* @param array $arr Array with event data.
* @return int The event id.
*/
function event_store($arr) {
require_once 'include/datetime.php';
require_once 'include/items.php';
require_once 'include/bbcode.php';
$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);
$arr['uri'] = (x($arr, 'uri') ? $arr['uri'] : item_new_uri($a->get_hostname(), $arr['uid']));
$arr['private'] = ((x($arr, 'private')) ? intval($arr['private']) : 0);
$arr['guid'] = get_guid(32);
if ($arr['cid']) {
$c = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($arr['cid']),
intval($arr['uid'])
);
} else {
$c = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
intval($arr['uid'])
);
}
if (DBM::is_result($c)) {
$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($arr['uid'])
);
if ((! DBM::is_result($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($arr['uid'])
);
return ((DBM::is_result($r)) ? $r[0]['id'] : 0);
}
// The event changed. Update it.
q("UPDATE `event` SET
`edited` = '%s',
`start` = '%s',
`finish` = '%s',
`summary` = '%s',
`desc` = '%s',
`location` = '%s',
`type` = '%s',
`adjust` = %d,
`nofinish` = %d
WHERE `id` = %d AND `uid` = %d",
dbesc($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']),
intval($arr['id']),
intval($arr['uid'])
);
$r = q("SELECT * FROM `item` WHERE `event-id` = %d AND `uid` = %d LIMIT 1",
intval($arr['id']),
intval($arr['uid'])
);
if (DBM::is_result($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;
}
Addon::callHooks("event_updated", $arr['id']);
return $item_id;
} else {
// New event. Store it.
q("INSERT INTO `event` (`uid`,`cid`,`guid`,`uri`,`created`,`edited`,`start`,`finish`,`summary`, `desc`,`location`,`type`,
`adjust`,`nofinish`,`allow_cid`,`allow_gid`,`deny_cid`,`deny_gid`)
VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s' ) ",
intval($arr['uid']),
intval($arr['cid']),
dbesc($arr['guid']),
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($arr['type']),
intval($arr['adjust']),
intval($arr['nofinish']),
dbesc($arr['allow_cid']),
dbesc($arr['allow_gid']),
dbesc($arr['deny_cid']),
dbesc($arr['deny_gid'])
);
$r = q("SELECT * FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
dbesc($arr['uri']),
intval($arr['uid'])
);
if (DBM::is_result($r)) {
$event = $r[0];
}
$item_arr = [];
$item_arr['uid'] = $arr['uid'];
$item_arr['contact-id'] = $arr['cid'];
$item_arr['uri'] = $arr['uri'];
$item_arr['parent-uri'] = $arr['uri'];
$item_arr['guid'] = $arr['guid'];
$item_arr['type'] = 'activity';
$item_arr['wall'] = (($arr['cid']) ? 0 : 1);
$item_arr['contact-id'] = $contact['id'];
$item_arr['owner-name'] = $contact['name'];
$item_arr['owner-link'] = $contact['url'];
$item_arr['owner-avatar'] = $contact['thumb'];
$item_arr['author-name'] = $contact['name'];
$item_arr['author-link'] = $contact['url'];
$item_arr['author-avatar'] = $contact['thumb'];
$item_arr['title'] = '';
$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['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);
$item_arr['object'] = '<object><type>' . xmlify(ACTIVITY_OBJ_EVENT) . '</type><title></title><id>' . xmlify($arr['uri']) . '</id>';
$item_arr['object'] .= '<content>' . xmlify(format_event_bbcode($event)) . '</content>';
$item_arr['object'] .= '</object>' . "\n";
$item_id = item_store($item_arr);
if ($item_id) {
q("UPDATE `item` SET `event-id` = %d WHERE `uid` = %d AND `id` = %d",
intval($event['id']),
intval($arr['uid']),
intval($item_id)
);
}
Addon::callHooks("event_created", $event['id']);
return $item_id;
}
}
/**
* @brief Create an array with translation strings used for events.
*
* @return array Array with translations strings.
*/
function get_event_strings() {
// First day of the week (0 = Sunday).
$firstDay = PConfig::get(local_user(), 'system', 'first_day_of_week', 0);
$i18n = [
"firstDay" => $firstDay,
"allday" => t("all-day"),
"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"),
"noevent" => t("No events to display"),
"dtstart_label" => t("Starts:"),
"dtend_label" => t("Finishes:"),
"location_label" => t("Location:")
];
return $i18n;
}
/**
* @brief Removes duplicated birthday events.
*
* @param array $dates Array of possibly duplicated events.
* @return array Cleaned events.
*
* @todo We should replace this with a separate update function if there is some time left.
*/
function event_remove_duplicates($dates) {
$dates2 = [];
foreach ($dates as $date) {
if ($date['type'] == 'birthday') {
$dates2[$date['uid'] . "-" . $date['cid'] . "-" . $date['start']] = $date;
} else {
$dates2[] = $date;
}
}
return $dates2;
}
/**
* @brief Get an event by its event ID.
*
* @param int $owner_uid The User ID of the owner of the event
* @param array $event_params An assoziative array with
* int 'event_id' => The ID of the event in the event table
* @param string $sql_extra
* @return array Query result
*/
function event_by_id($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`
LEFT 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($event_params["event_id"])
);
if (DBM::is_result($r)) {
return event_remove_duplicates($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' =><br>
* string 'start' => Start time of the timeframe.<br>
* string 'finish' => Finish time of the timeframe.<br>
* string 'adjust_start' =><br>
* 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, $sql_extra = '') {
// Only allow events if there is a valid owner_id.
if ($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`
LEFT 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($event_params["adjust_finish"])
);
if (DBM::is_result($r)) {
return event_remove_duplicates($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=[];
$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;
// Show edit and drop actions only if the user is the owner of the event and the event
// is a real event (no bithdays).
$edit = null;
$copy = null;
$drop = null;
if (local_user() && local_user() == $rr['uid'] && $rr['type'] == 'event') {
$edit = ((! $rr['cid']) ? [System::baseUrl() . '/events/event/' . $rr['id'], t('Edit event'), '', ''] : null);
$copy = ((! $rr['cid']) ? [System::baseUrl() . '/events/copy/' . $rr['id'], t('Duplicate event'), '', ''] : null);
$drop = [System::baseUrl() . '/events/drop/' . $rr['id'], t('Delete event'), '', ''];
}
$title = strip_tags(html_entity_decode(bbcode($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[] = [
'id' => $rr['id'],
'start' => $start,
'end' => $end,
'allDay' => false,
'title' => $title,
'j' => $j,
'd' => $d,
'edit' => $edit,
'drop' => $drop,
'copy' => $copy,
'is_first' => $is_first,
'item' => $rr,
'html' => $html,
'plink' => [$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 $timezone The timezone of the user (not implemented yet).
*
* @return string Content according to selected export format.
*
* @todo Implement timezone support
*/
function event_format_export($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 (DBM::is_result($r)) {
return $r;
}
}
/**
*
* @param int $uid The user ID.
* @param string $format Output format (ical/csv).
* @return array With the results:
* bool 'success' => True if the processing was successful,<br>
* string 'format' => The output format,<br>
* string 'extension' => The file extension of the output format,<br>
* string 'content' => The formatted output content.<br>
*
* @todo Respect authenticated users with events_by_uid().
*/
function event_export($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 (DBM::is_result($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 = [
'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() !== $owner_uid && ! Feature::isEnabled($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::isEnabled($owner_uid, "export_calendar")) {
return;
}
return replace_macros(get_markup_template("events_aside.tpl"), [
'$etitle' => t("Export"),
'$export_ical' => t("Export calendar as ical"),
'$export_csv' => t("Export calendar as csv"),
'$user' => $user
]);
}
/**
* @brief Format an item array with event data to HTML.
*
* @param arr $item Array with item and event data.
* @return string HTML output.
*/
function format_event_item($item) {
$same_date = false;
$finish = false;
// Set the different time formats.
$dformat = t('l F d, Y \@ g:i A'); // Friday January 18, 2011 @ 8:01 AM.
$dformat_short = t('D g:i A'); // Fri 8:01 AM.
$tformat = t('g:i A'); // 8:01 AM.
// Convert the time to different formats.
$dtstart_dt = (($item['event-adjust']) ? day_translate(datetime_convert('UTC', date_default_timezone_get(), $item['event-start'], $dformat)) : day_translate(datetime_convert('UTC', 'UTC', $item['event-start'], $dformat)));
$dtstart_title = datetime_convert('UTC', 'UTC', $item['event-start'], (($item['event-adjust']) ? ATOM_TIME : 'Y-m-d\TH:i:s'));
// Format: Jan till Dec.
$month_short = (($item['event-adjust']) ? day_short_translate(datetime_convert('UTC', date_default_timezone_get(), $item['event-start'], 'M')) : day_short_translate(datetime_convert('UTC', 'UTC', $item['event-start'], 'M')));
// Format: 1 till 31.
$date_short = (($item['event-adjust']) ? datetime_convert('UTC', date_default_timezone_get(), $item['event-start'], 'j') : datetime_convert('UTC', 'UTC', $item['event-start'], 'j'));
$start_time = (($item['event-adjust']) ? datetime_convert('UTC', date_default_timezone_get(), $item['event-start'], $tformat) : datetime_convert('UTC', 'UTC', $item['event-start'], $tformat));
$start_short = (($item['event-adjust']) ? day_short_translate(datetime_convert('UTC', date_default_timezone_get(), $item['event-start'], $dformat_short)) : day_short_translate(datetime_convert('UTC', 'UTC', $item['event-start'], $dformat_short)));
// If the option 'nofinisch' isn't set, we need to format the finish date/time.
if (!$item['event-nofinish']) {
$finish = true;
$dtend_dt = (($item['event-adjust']) ? day_translate(datetime_convert('UTC', date_default_timezone_get(), $item['event-finish'], $dformat)) : day_translate(datetime_convert('UTC', 'UTC', $item['event-finish'], $dformat)));
$dtend_title = datetime_convert('UTC', 'UTC', $item['event-finish'], (($item['event-adjust']) ? ATOM_TIME : 'Y-m-d\TH:i:s'));
$end_short = (($item['event-adjust']) ? day_short_translate(datetime_convert('UTC', date_default_timezone_get(), $item['event-finish'], $dformat_short)) : day_short_translate(datetime_convert('UTC', 'UTC', $item['event-finish'], $dformat_short)));
$end_time = (($item['event-adjust']) ? datetime_convert('UTC', date_default_timezone_get(), $item['event-finish'], $tformat) : datetime_convert('UTC', 'UTC', $item['event-finish'], $tformat));
// Check if start and finish time is at the same day.
if (substr($dtstart_title, 0, 10) === substr($dtend_title, 0, 10)) {
$same_date = true;
}
}
// Format the event location.
$evloc = event_location2array($item['event-location']);
$location = [];
if (isset($evloc['name'])) {
$location['name'] = prepare_text($evloc['name']);
}
// Construct the map HTML.
if (isset($evloc['address'])) {
$location['map'] = '<div class="map">' . Map::byLocation($evloc['address']) . '</div>';
} elseif (isset($evloc['coordinates'])) {
$location['map'] = '<div class="map">' . Map::byCoordinates(str_replace('/', ' ', $evloc['coordinates'])) . '</div>';
}
// Construct the profile link (magic-auth).
$sp = false;
$profile_link = best_link_url($item, $sp);
if (!$sp) {
$profile_link = Profile::zrl($profile_link);
}
$event = replace_macros(get_markup_template('event_stream_item.tpl'), [
'$id' => $item['event-id'],
'$title' => prepare_text($item['event-summary']),
'$dtstart_label' => t('Starts:'),
'$dtstart_title' => $dtstart_title,
'$dtstart_dt' => $dtstart_dt,
'$finish' => $finish,
'$dtend_label' => t('Finishes:'),
'$dtend_title' => $dtend_title,
'$dtend_dt' => $dtend_dt,
'$month_short' => $month_short,
'$date_short' => $date_short,
'$same_date' => $same_date,
'$start_time' => $start_time,
'$start_short' => $start_short,
'$end_time' => $end_time,
'$end_short' => $end_short,
'$author_name' => $item['author-name'],
'$author_link' => $profile_link,
'$author_avatar' => $item['author-avatar'],
'$description' => prepare_text($item['event-desc']),
'$location_label' => t('Location:'),
'$show_map_label' => t('Show map'),
'$hide_map_label' => t('Hide map'),
'$map_btn_label' => t('Show map'),
'$location' => $location
]);
return $event;
}
/**
* @brief Format a string with map bbcode to an array with location data.
*
* Note: The string must only contain location data. A string with no bbcode will be
* handled as location name.
*
* @param string $s The string with the bbcode formatted location data.
*
* @return array The array with the location data.
* 'name' => The name of the location,<br>
* 'address' => The address of the location,<br>
* 'coordinates' => Latitude and longitude (e.g. '48.864716,2.349014').<br>
*/
function event_location2array($s = '') {
if ($s == '') {
return;
}
$location = ['name' => $s];
// Map tag with location name - e.g. [map]Paris[/map].
if (strpos($s, '[/map]') !== false) {
$found = preg_match("/\[map\](.*?)\[\/map\]/ism", $s, $match);
if (intval($found) > 0 && array_key_exists(1, $match)) {
$location['address'] = $match[1];
// Remove the map bbcode from the location name.
$location['name'] = str_replace($match[0], "", $s);
}
// Map tag with coordinates - e.g. [map=48.864716,2.349014].
} elseif (strpos($s, '[map=') !== false) {
$found = preg_match("/\[map=(.*?)\]/ism", $s, $match);
if (intval($found) > 0 && array_key_exists(1, $match)) {
$location['coordinates'] = $match[1];
// Remove the map bbcode from the location name.
$location['name'] = str_replace($match[0], "", $s);
}
}
return $location;
}