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<?php |
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/** |
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* ICS Service. |
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*/ |
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declare(strict_types=1); |
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namespace HDNET\Calendarize\Service; |
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use HDNET\Calendarize\Service\TimeTable\ExternalTimeTable; |
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use HDNET\Calendarize\Utility\DateTimeUtility; |
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use JMBTechnologyLimited\ICalDissect\ICalEvent; |
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use JMBTechnologyLimited\ICalDissect\ICalParser; |
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use Sabre\VObject\Reader; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* ICS Service. |
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*/ |
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class IcsReaderService extends AbstractService |
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{ |
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/** |
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* Generate the times of the given URL. |
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* |
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* @param string $url |
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* |
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* @return array |
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*/ |
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public function getTimes(string $url): array |
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{ |
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$fileName = $this->getCachedUrlFile($url); |
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$times = $this->buildWithICalDissect($fileName); |
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// $test = $this->buildWithVObject($fileName); |
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return $times; |
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} |
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/** |
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* Build with iCal dissect. |
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* |
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* @param string $filename |
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* |
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* @return array |
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*/ |
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protected function buildWithICalDissect(string $filename): array |
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{ |
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$backend = new ICalParser(); |
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if (!$backend->parseFromFile($filename)) { |
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return []; |
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} |
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$events = $backend->getEvents(); |
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$times = []; |
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foreach ($events as $event) { |
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/** @var $event ICalEvent */ |
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$startTime = DateTimeUtility::getDaySecondsOfDateTime($event->getStart()); |
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$endTime = DateTimeUtility::getDaySecondsOfDateTime($event->getEnd()); |
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if (ExternalTimeTable::DAY_END === $endTime) { |
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$endTime = 0; |
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} |
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$times[] = [ |
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'start_date' => $event->getStart(), |
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'end_date' => $this->getEventsFixedEndDate($event), |
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'start_time' => $startTime, |
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'end_time' => $endTime, |
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'all_day' => 0 === $endTime, |
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]; |
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} |
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return $times; |
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} |
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/** |
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* Build with Vobject. |
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* |
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* @param string $filename |
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* |
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* @return array |
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* |
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* @todo implement |
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*/ |
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protected function buildWithVObject(string $filename): array |
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{ |
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$vcalendar = Reader::read( |
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GeneralUtility::getUrl($filename) |
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); |
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$times = []; |
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foreach ($vcalendar->VEVENT as $event) { |
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/*DTSTAMP => array(1 item) |
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UID => array(1 item) |
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DTSTART => array(1 item) |
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DTEND => array(1 item)*/ |
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//DebuggerUtility::var_dump($event->TESTST); |
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//DebuggerUtility::var_dump($event->DTSTAMP); |
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//DebuggerUtility::var_dump($event->DTSTART); |
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//DebuggerUtility::var_dump($event->DTEND); |
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$times[] = [ |
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'start_date' => $event->DTSTART->getDateTime(), |
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'end_date' => 0, // $this->getEventsFixedEndDate($event), |
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'start_time' => 0, |
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'end_time' => 0, |
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'all_day' => true, |
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]; |
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} |
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return $times; |
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} |
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/** |
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* Fixes a parser related bug where the DTEND is EXCLUSIVE. |
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* The parser uses it inclusive so every event is one day |
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* longer than it should be. |
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* |
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* @param ICalEvent $event |
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* |
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* @return \DateTime |
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*/ |
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protected function getEventsFixedEndDate(ICalEvent $event) |
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{ |
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if (!$event->getEnd() instanceof \DateTimeInterface) { |
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return $event->getStart(); |
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} |
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$end = clone $event->getEnd(); |
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$end->sub(new \DateInterval('P1D')); |
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if ($end->format('Ymd') === $event->getStart()->format('Ymd')) { |
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return $end; |
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} |
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return $event->getEnd(); |
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} |
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/** |
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* Get cached URL file. |
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* |
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* @param string $url |
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* |
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* @return string |
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*/ |
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protected function getCachedUrlFile(string $url): string |
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{ |
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$tempFileName = $this->getCheckedCacheFolder() . \md5($url); |
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if (!\is_file($tempFileName) || \filemtime($tempFileName) < (\time() - DateTimeUtility::SECONDS_HOUR)) { |
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$icsFile = GeneralUtility::getUrl($url); |
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GeneralUtility::writeFile($tempFileName, $icsFile); |
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} |
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return $tempFileName; |
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} |
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/** |
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* Return the cache folder and check if the folder exists. |
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* |
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* @return string |
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*/ |
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protected function getCheckedCacheFolder(): string |
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{ |
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$cacheFolder = GeneralUtility::getFileAbsFileName('typo3temp/var/transient/calendarize/'); |
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if (!\is_dir($cacheFolder)) { |
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GeneralUtility::mkdir_deep($cacheFolder); |
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} |
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return $cacheFolder; |
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} |
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} |
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lochmueller /
calendarize
