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<?php
class CourseBackend_HisInOne extends ICalCourseBackend
{
public function setCredentialsInternal(array $data): bool
{
if (empty($data['baseUrl'])) {
$this->addError("No url is given", true);
return false;
}
$this->init($this->mangleProperty('baseUrl', $data['baseUrl']),
$data['verifyCert'], $data['verifyHostname']);
return true;
}
public function getCredentialDefinitions(): array
{
return [
new BackendProperty('baseUrl', 'string'),
new BackendProperty('verifyCert', 'bool', true),
new BackendProperty('verifyHostname', 'bool', true)
];
}
public function mangleProperty(string $prop, $value)
{
if ($prop === 'baseUrl') {
// Update form SOAP to iCal url
if (preg_match(',^(http.*?)/qisserver,', $value, $out)) {
$value = $out[1] . '/qisserver/pages/cm/exa/timetable/roomScheduleCalendarExport.faces?roomId=%ID%';
} elseif (preg_match(',(.*[/=])\d*$', $value, $out)) {
$value = $out[1] . '%ID%';
} elseif (substr_count($value, '/') <= 3) {
if (substr($value, -1) !== '/') {
$value .= '/';
}
$value .= 'qisserver/pages/cm/exa/timetable/roomScheduleCalendarExport.faces?roomId=%ID%';
}
}
return $value;
}
protected function toTitle(ICalEvent $event): string
{
$title = parent::toTitle($event);
// His in one seems to prefix *some* (but *not* all) of the lectures by their ID/("Nummer")
// No clue what that format is supposed to be, this regex is some guesswork after observing this for a while
return preg_replace('#^[0-9][0-9A-ZÄÖÜ]{3,9}-[A-Za-z0-9/_ÄÖÜäöüß.-]{4,30}\s+#u', '', $title);
}
public function checkConnection(): bool
{
if (!$this->isOK())
return false;
// Unfortunately HisInOne returns an internal server error if you pass an invalid roomId.
// So we just try a bunch and see if anything works. Even if this fails, using
// the backend should work, given the URL is actually correct.
foreach ([60, 100, 5, 10, 50, 110, 200, 210, 250, 300, 333, 500, 1000, 2000] as $roomId) {
if ($this->downloadIcal($roomId) !== null)
return true;
}
return false;
}
public function getCacheTime(): int
{
return 30 * 60;
}
public function getRefreshTime(): int
{
return 60 * 60;
}
public function getDisplayName(): string
{
return "HisInOne";
}
}
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