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<?php |
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/** |
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* Created by PhpStorm. |
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* User: Claudio Cardinale <[email protected]> |
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* Date: 03/12/15 |
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* Time: 2.33 |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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*/ |
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namespace plunner\Console\Commands\SyncCaldav; |
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use it\thecsea\caldav_client_adapter\CaldavException; |
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use it\thecsea\caldav_client_adapter\EventInterface; |
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use it\thecsea\caldav_client_adapter\simple_caldav_client\SimpleCaldavAdapter; |
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use plunner\Caldav; |
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use plunner\Events\Caldav\ErrorEvent; |
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use plunner\Events\Caldav\OkEvent; |
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/** |
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* Class Sync |
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* @package plunner\Console\Commands |
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* @author Claudio Cardinale <[email protected]> |
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* @copyright 2015 Claudio Cardinale |
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* @version 1.0.0 |
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*/ |
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class Sync |
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{ |
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/** |
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* @var Caldav |
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*/ |
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private $calendar; |
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/** |
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* Sync constructor. |
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* @param Caldav $calendar |
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*/ |
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public function __construct(Caldav $calendar) |
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{ |
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$this->calendar = $calendar; |
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} |
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/** |
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* @return Caldav |
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*/ |
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public function getCalendar() |
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{ |
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return $this->calendar; |
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} |
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/** |
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* perform the sync |
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*/ |
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public function sync() |
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{ |
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$this->syncToTimeSlots(); |
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} |
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/** |
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* |
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*/ |
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private function syncToTimeSlots() |
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{ |
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try { |
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$events = $this->getEvents(); |
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} catch (\it\thecsea\caldav_client_adapter\CaldavException $e) { |
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\Event::fire(new ErrorEvent($this->calendar, $e->getMessage())); |
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return; |
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} catch (\Illuminate\Contracts\Encryption\DecryptException $e) { |
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\Event::fire(new ErrorEvent($this->calendar, $e->getMessage())); |
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return; |
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} |
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/** |
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* @var $calendarMain \plunner\Calendar |
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*/ |
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$calendarMain = $this->calendar->Calendar; |
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//remove old timeslots |
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$calendarMain->timeslots()->delete(); |
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//insert new timeslots |
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foreach ($events as $event) { |
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if (!($event = $this->parseEvent($event))) |
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\Event::fire(new ErrorEvent($this->calendar, 'problem during the parsing an event')); |
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else |
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$calendarMain->timeslots()->create($event); |
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} |
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\Event::fire(new OkEvent($this->calendar)); |
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} |
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/** |
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* @return array|\it\thecsea\caldav_client_adapter\EventInterface[] |
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* @throws \it\thecsea\caldav_client_adapter\CaldavException |
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* @throws \Illuminate\Contracts\Encryption\DecryptException |
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* @throws CaldavException |
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*/ |
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private function getEvents() |
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{ |
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//TODO catch php errors like array key |
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$caldavClient = new SimpleCaldavAdapter(); |
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$caldavClient->connect($this->calendar->url, $this->calendar->username, \Crypt::decrypt($this->calendar->password)); |
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$calendars = $caldavClient->findCalendars(); |
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if(!isset($calendars[$this->calendar->calendar_name])) |
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throw new CaldavException("calendar inserted doesn't exist"); |
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$caldavClient->setCalendar($calendars[$this->calendar->calendar_name]); |
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/** |
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* 26 hours before to avoid tiemezone problems and dst problems |
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* 30 days after |
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*/ |
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return $caldavClient->getEvents(date('Ymd\THis\Z', time() - 93600), date('Ymd\THis\Z', time() + 2592000)); |
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} |
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/** |
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* @param EventInterface $event |
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* @return \DateTime[]|null |
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*/ |
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private function parseEvent(EventInterface $event) |
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{ |
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$pattern = "/^((DTSTART;)|(DTEND;))(.*)\$/m"; |
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if (preg_match_all($pattern, $event->getData(), $matches)) { |
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if (!isset($matches[4]) || count($matches[4]) != 2) |
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return null; |
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$ret = []; |
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if ($tmp = $this->parseDate($matches[4][0])) |
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$ret['time_start'] = $tmp; |
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else |
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return null; |
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if ($tmp = $this->parseDate($matches[4][1])) |
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$ret['time_end'] = $tmp; |
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else |
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return null; |
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return $ret; |
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} |
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return null; |
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} |
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/** |
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* @param String $date |
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* @return \DateTime|null|false |
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*/ |
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private function parseDate($date) |
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{ |
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$pattern = "/^((TZID=)|(VALUE=))(.*):(.*)\$/m"; |
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if (preg_match_all($pattern, $date, $matches)) { |
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if ($matches[1][0] == 'TZID=') { |
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return \DateTime::createFromFormat('Ymd\THis', $matches[5][0], new \DateTimeZone($matches[4][0])); |
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} else if ($matches[1][0] == 'VALUE=' && $matches[4][0] == 'DATE') { |
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return \DateTime::createFromFormat('Ymd\THis', $matches[5][0] . 'T000000'); |
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} |
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} |
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return null; |
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} |
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} |
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