friendica/mod/cal.php

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<?php
/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
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* The calendar module
*
* This calendar is for profile visitors and contains only the events
* of the profile owner
*/
use Friendica\App;
use Friendica\Content\Nav;
use Friendica\Content\Widget;
use Friendica\Core\Renderer;
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use Friendica\Core\Session;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Event;
use Friendica\Model\Item;
use Friendica\Model\User;
use Friendica\Module\BaseProfile;
use Friendica\Network\HTTPException;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Temporal;
function cal_init(App $a)
{
if (DI::config()->get('system', 'block_public') && !Session::isAuthenticated()) {
throw new HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
}
if (DI::args()->getArgc() < 2) {
throw new HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
}
Nav::setSelected('events');
// if it's a json request abort here becaus we don't
// need the widget data
if (!empty(DI::args()->getArgv()[2]) && (DI::args()->getArgv()[2] === 'json')) {
return;
}
$owner = User::getOwnerDataByNick(DI::args()->getArgv()[1]);
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if (empty($owner)) {
throw new HTTPException\NotFoundException(DI::l10n()->t('User not found.'));
}
if (empty(DI::page()['aside'])) {
DI::page()['aside'] = '';
}
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DI::page()['aside'] .= Widget\VCard::getHTML($owner);
DI::page()['aside'] .= Widget\CalendarExport::getHTML($owner['uid']);
return;
}
function cal_content(App $a)
{
$owner = User::getOwnerDataByNick(DI::args()->getArgv()[1]);
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if (empty($owner)) {
throw new HTTPException\NotFoundException(DI::l10n()->t('User not found.'));
}
Nav::setSelected('events');
// get the translation strings for the callendar
$i18n = Event::getStrings();
DI::page()->registerStylesheet('view/asset/fullcalendar/dist/fullcalendar.min.css');
DI::page()->registerStylesheet('view/asset/fullcalendar/dist/fullcalendar.print.min.css', 'print');
DI::page()->registerFooterScript('view/asset/moment/min/moment-with-locales.min.js');
DI::page()->registerFooterScript('view/asset/fullcalendar/dist/fullcalendar.min.js');
$htpl = Renderer::getMarkupTemplate('event_head.tpl');
DI::page()['htmlhead'] .= Renderer::replaceMacros($htpl, [
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'$module_url' => '/cal/' . $owner['nickname'],
'$modparams' => 2,
'$i18n' => $i18n,
]);
$mode = 'view';
$y = 0;
$m = 0;
$ignored = (!empty($_REQUEST['ignored']) ? intval($_REQUEST['ignored']) : 0);
$format = 'ical';
if (DI::args()->getArgc() == 4 && DI::args()->getArgv()[2] == 'export') {
$mode = 'export';
$format = DI::args()->getArgv()[3];
}
// Setup permissions structures
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$owner_uid = intval($owner['uid']);
$nick = $owner['nickname'];
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$contact_id = Session::getRemoteContactID($owner['uid']);
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$remote_contact = $contact_id && DBA::exists('contact', ['id' => $contact_id, 'uid' => $owner['uid']]);
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$is_owner = local_user() == $owner['uid'];
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if ($owner['hidewall'] && !$is_owner && !$remote_contact) {
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notice(DI::l10n()->t('Access to this profile has been restricted.'));
return;
}
// get the permissions
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$sql_perms = Item::getPermissionsSQLByUserId($owner_uid);
// we only want to have the events of the profile owner
$sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
// get the tab navigation bar
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$tabs = BaseProfile::getTabsHTML($a, 'cal', false, $owner['nickname'], $owner['hide-friends']);
// The view mode part is similiar to /mod/events.php
if ($mode == 'view') {
$thisyear = DateTimeFormat::localNow('Y');
$thismonth = DateTimeFormat::localNow('m');
if (!$y) {
$y = intval($thisyear);
}
if (!$m) {
$m = intval($thismonth);
}
// Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
// An upper limit was chosen to keep search engines from exploring links millions of years in the future.
if ($y < 1901) {
$y = 1900;
}
if ($y > 2099) {
$y = 2100;
}
$nextyear = $y;
$nextmonth = $m + 1;
if ($nextmonth > 12) {
$nextmonth = 1;
$nextyear ++;
}
$prevyear = $y;
if ($m > 1) {
$prevmonth = $m - 1;
} else {
$prevmonth = 12;
$prevyear --;
}
$dim = Temporal::getDaysInMonth($y, $m);
$start = sprintf('%d-%d-%d %d:%d:%d', $y, $m, 1, 0, 0, 0);
$finish = sprintf('%d-%d-%d %d:%d:%d', $y, $m, $dim, 23, 59, 59);
if (!empty(DI::args()->getArgv()[2]) && (DI::args()->getArgv()[2] === 'json')) {
if (!empty($_GET['start'])) {
$start = $_GET['start'];
}
if (!empty($_GET['end'])) {
$finish = $_GET['end'];
}
}
$start = DateTimeFormat::utc($start);
$finish = DateTimeFormat::utc($finish);
// put the event parametes in an array so we can better transmit them
$event_params = [
'event_id' => intval($_GET['id'] ?? 0),
'start' => $start,
'finish' => $finish,
'ignore' => $ignored,
];
// get events by id or by date
if ($event_params['event_id']) {
$r = Event::getListById($owner_uid, $event_params['event_id'], $sql_extra);
} else {
$r = Event::getListByDate($owner_uid, $event_params, $sql_extra);
}
$links = [];
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if (DBA::isResult($r)) {
$r = Event::sortByDate($r);
foreach ($r as $rr) {
$j = DateTimeFormat::local($rr['start'], 'j');
if (empty($links[$j])) {
$links[$j] = DI::baseUrl() . '/' . DI::args()->getCommand() . '#link-' . $j;
}
}
}
// transform the event in a usable array
$events = Event::prepareListForTemplate($r);
if (!empty(DI::args()->getArgv()[2]) && (DI::args()->getArgv()[2] === 'json')) {
echo json_encode($events);
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exit();
}
// links: array('href', 'text', 'extra css classes', 'title')
if (!empty($_GET['id'])) {
$tpl = Renderer::getMarkupTemplate("event.tpl");
} else {
$tpl = Renderer::getMarkupTemplate("events_js.tpl");
}
// Get rid of dashes in key names, Smarty3 can't handle them
foreach ($events as $key => $event) {
$event_item = [];
foreach ($event['item'] as $k => $v) {
$k = str_replace('-', '_', $k);
$event_item[$k] = $v;
}
$events[$key]['item'] = $event_item;
}
$o = Renderer::replaceMacros($tpl, [
'$tabs' => $tabs,
'$title' => DI::l10n()->t('Events'),
'$view' => DI::l10n()->t('View'),
'$previous' => [DI::baseUrl() . "/events/$prevyear/$prevmonth", DI::l10n()->t('Previous'), '', ''],
'$next' => [DI::baseUrl() . "/events/$nextyear/$nextmonth", DI::l10n()->t('Next'), '', ''],
'$calendar' => Temporal::getCalendarTable($y, $m, $links, ' eventcal'),
'$events' => $events,
"today" => DI::l10n()->t("today"),
"month" => DI::l10n()->t("month"),
"week" => DI::l10n()->t("week"),
"day" => DI::l10n()->t("day"),
"list" => DI::l10n()->t("list"),
]);
if (!empty($_GET['id'])) {
echo $o;
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exit();
}
return $o;
}
if ($mode == 'export') {
if (!$owner_uid) {
notice(DI::l10n()->t('User not found'));
return;
}
// Get the export data by uid
$evexport = Event::exportListByUserId($owner_uid, $format);
if (!$evexport["success"]) {
if ($evexport["content"]) {
notice(DI::l10n()->t('This calendar format is not supported'));
} else {
notice(DI::l10n()->t('No exportable data found'));
}
// If it the own calendar return to the events page
// otherwise to the profile calendar page
if (local_user() === $owner_uid) {
$return_path = "events";
} else {
$return_path = "cal/" . $nick;
}
DI::baseUrl()->redirect($return_path);
}
// If nothing went wrong we can echo the export content
if ($evexport["success"]) {
header('Content-type: text/calendar');
header('content-disposition: attachment; filename="' . DI::l10n()->t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
echo $evexport["content"];
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exit();
}
return;
}
}