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<?php
namespace RESTAPI\Routes;
/**
* @author Jan-Hendrik Willms <tleilax+studip@gmail.com>
* @author <mlunzena@uos.de>
* @license GPL 2 or later
* @deprecated Since Stud.IP 5.0. Will be removed in Stud.IP 5.2.
*
* @condition semester_id ^[0-9a-f]{1,32}$
*/
class Semester extends \RESTAPI\RouteMap
{
public function __construct()
{
parent::__construct();
if (!\Request::int('limit')) {
$this->limit = count(\Semester::getAll());
}
}
/**
* Returns a list of all semesters.
*
* @get /semesters
* @allow_nobody
*/
public function getSemesters()
{
$semesters = \Semester::getAll();
// paginate
$total = count($semesters);
$semesters = array_slice($semesters, $this->offset, $this->limit);
$json = [];
foreach ($semesters as $semester) {
$url = $this->urlf('/semester/%s', $semester['semester_id']);
$json[$url] = $this->semesterToJSON($semester);
}
return $this->paginated($json, $total);
}
/**
* Returns the semester week as string for a given string
*
* @get /semester/:timestamp/week
*/
public function getSemesterWeek(int $timestamp)
{
$semester = \Semester::findByTimestamp($timestamp);
if (!$semester) {
return null;
}
$timestamp = strtotime('today', $timestamp);
$week_begin_timestamp = strtotime('monday this week', $semester->vorles_beginn);
$end_date = $semester->vorles_ende;
$i = 0;
$result = [
'semester_name' => (string)$semester->name,
'week_number' => sprintf(_('KW %u'), date('W', $timestamp)),
'current_day' => strftime('%x', $timestamp)
];
while ($week_begin_timestamp < $end_date) {
$next_week_timestamp = strtotime('+1 week', $week_begin_timestamp);
if ($week_begin_timestamp <= $timestamp && $timestamp < $next_week_timestamp) {
$result['sem_week'] = sprintf(
_('%u. Vorlesungswoche (ab %s)'),
$i + 1,
strftime('%x', $week_begin_timestamp));
break;
}
$i += 1;
$week_begin_timestamp = $next_week_timestamp;
}
return $result;
}
/**
* Returns a single semester.
*
* @get /semester/:semester_id
*/
public function getSemester($id)
{
$semester = \Semester::find($id);
if (!$semester) {
$this->notFound();
}
$semester_json = $this->semesterToJSON($semester);
$this->etag(md5(serialize($semester_json)));
return $semester_json;
}
private function semesterToJSON($semester)
{
return [
'id' => $semester['semester_id'],
'title' => (string) $semester['name'],
'token' => (string) $semester['semester_token'],
'description' => (string) $semester['description'],
'begin' => (int) $semester['beginn'],
'end' => (int) $semester['ende'],
'seminars_begin' => (int) $semester['vorles_beginn'],
'seminars_end' => (int) $semester['vorles_ende'],
'visible' => (int) $semester['visible'],
];
}
}
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