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<?php
/**
* contentbox.php - Calender Contentbox controller
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* @author Florian Bieringer <florian.bieringer@uni-passau.de>
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
* @package calender
*/
class Calendar_ContentboxController extends StudipController
{
/**
* Widget controller to produce the formally known show_dates()
*
* @param String $range_id range id (or array of range ids) of the news to get displayed
*/
public function display_action($range_id, $timespan = 604800, $start = null)
{
$this->admin = false;
$this->single = false;
$this->userRange = false;
$this->course_range = false;
$this->termine = [];
// Fetch time if needed
$this->start = $start ?: strtotime('today');
$this->timespan = $timespan;
// To array fallback of $range_id
if (!is_array($range_id)) {
$this->single = true;
$range_id = [$range_id];
}
$this->titles = [];
foreach ($range_id as $id) {
switch (get_object_type($id, ['user', 'sem'])) {
case 'user':
$this->parseUser($id);
$this->userRange = true;
break;
case 'sem':
$this->parseSeminar($id);
$this->course_range = true;
break;
}
}
// Check permission to edit
if ($this->single) {
$this->admin = $range_id[0] === $GLOBALS['user']->id
|| (
get_object_type($range_id[0], ['sem']) === 'sem'
&& $GLOBALS['perm']->have_studip_perm('tutor', $range_id[0])
);
// Set range_id
$this->range_id = $range_id[0];
}
// Forge title
if (!empty($this->termine)) {
$this->title = sprintf(
_('Termine für die Zeit vom %s bis zum %s'),
strftime('%d. %B %Y', $this->start),
strftime('%d. %B %Y', $this->start + $this->timespan)
);
} else {
$this->title = _('Termine');
}
// Check out if we are on a profile
if ($this->admin) {
$this->isProfile = $this->single && $this->userRange;
}
// Sort dates
usort($this->termine, function ($a, $b) {
[$a_begin, $a_end] = $this->parseBeginAndEndFromDate($a);
[$b_begin, $b_end] = $this->parseBeginAndEndFromDate($b);
return $a_begin - $b_begin
?: $a_end - $b_end;
});
}
private function parseSeminar($id)
{
// Display only date and time if in course range, include course title
// otherwise
$date_format = $this->course_range ? 'include-room' : 'verbose';
$this->termine = Course::find($id)->getDatesWithExdates()
->findBy('end_time', [$this->start, $this->start + $this->timespan], '><')
->map(function ($course_date) use ($date_format) {
$this->titles[$course_date->id] = $course_date->getFullName($date_format);
return $course_date;
});
}
private function parseUser($id)
{
$begin = new DateTime();
$begin->setTimestamp($this->start);
$end = new DateTime();
$end->setTimestamp($this->start + $this->timespan);
$this->termine = [];
if ($GLOBALS['user']->id === $id) {
//The current user is looking at their dates.
//Get course dates, too:
$relevant_courses = Course::findBySQL(
"JOIN `seminar_user` USING (`seminar_id`)
WHERE `user_id` = :user_id",
['user_id' => $id]
);
foreach ($relevant_courses as $course) {
$course_dates = $course->getDatesWithExdates()->findBy('end_time', [$this->start, $this->start + $this->timespan], '><');
foreach ($course_dates as $course_date) {
$this->titles[$course_date->id] = sprintf(
'%1$s: %2$s',
$course_date->course->name,
$course_date->getFullName()
);
$this->termine[] = $course_date;
}
}
}
//Get personal dates:
$assignments = [];
if (User::findCurrent()->id === $id) {
$assignments = CalendarDateAssignment::getEvents($begin, $end, $id);
} else {
//Only show public events:
$assignments = CalendarDateAssignment::getEvents($begin, $end, $id, ['PUBLIC']);
}
foreach ($assignments as $assignment) {
//Exclude events that begin after the given time range:
if ($assignment->calendar_date->begin > $this->start + $this->timespan) {
continue;
}
$title = '';
// Adjust title
if (date('Ymd', $assignment->calendar_date->begin) == date('Ymd')) {
$title = _('Heute') . date(', H:i', $assignment->calendar_date->begin);
} else {
$title = mb_substr(strftime('%a', $assignment->calendar_date->begin), 0, 2);
$title .= date('. d.m.Y, H:i', $assignment->calendar_date->begin);
}
if ($assignment->calendar_date->begin < $assignment->calendar_date->end) {
if (date('Ymd', $assignment->calendar_date->begin) < date('Ymd', $assignment->calendar_date->end)) {
$title .= ' - ' . mb_substr(strftime('%a', $assignment->calendar_date->end), 0, 2);
$title .= date('. d.m.Y, H:i', $assignment->calendar_date->end);
} else {
$title .= ' - ' . date('H:i', $assignment->calendar_date->end);
}
}
if ($assignment->calendar_date->title) {
//Cut the title:
$tmp_title = mila($assignment->calendar_date->title);
$title .= ', ' . $tmp_title;
}
$this->titles[$assignment->getObjectId()] = $title;
// Store for view
$this->termine[] = $assignment;
}
}
private function parseBeginAndEndFromDate($date): array
{
if ($date instanceof CalendarDateAssignment) {
return [
$date->calendar_date->begin,
$date->calendar_date->end,
];
}
if ($date instanceof CourseDate || $date instanceof CourseExDate) {
return [
$date->date,
$date->end_time,
];
}
throw new Exception('Invalid date type passed: ' . get_class($date));
}
}
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