X-Git-Url: https://git.rapsys.eu/airbundle/blobdiff_plain/e23dd2a0394f23d83d0d92fb3fcf2f82aa61537c..refs/heads/master:/Command/CalendarCommand.php

diff --git a/Command/CalendarCommand.php b/Command/CalendarCommand.php
index fb0cd02..f722aae 100644
--- a/Command/CalendarCommand.php
+++ b/Command/CalendarCommand.php
@@ -1,526 +1,613 @@
-<?php
+<?php declare(strict_types=1);
+
+/*
+ * This file is part of the Rapsys AirBundle package.
+ *
+ * (c) Raphaël Gertz <symfony@rapsys.eu>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
 
 namespace Rapsys\AirBundle\Command;
 
 use Doctrine\Persistence\ManagerRegistry;
-use Symfony\Component\Cache\Adapter\FilesystemAdapter;
-use Symfony\Component\Console\Command\Command;
+
+use Google\Client;
+use Google\Service\Calendar;
+use Google\Service\Calendar\Event;
+use Google\Service\Calendar\EventExtendedProperties;
+use Google\Service\Calendar\EventSource;
+
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
-use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Routing\RouterInterface;
+use Symfony\Contracts\Cache\CacheInterface;
+use Symfony\Contracts\Cache\ItemInterface;
 use Symfony\Contracts\Translation\TranslatorInterface;
+
 use Twig\Extra\Markdown\DefaultMarkdown;
 
+use Rapsys\AirBundle\Command;
+use Rapsys\AirBundle\Entity\GoogleCalendar;
+use Rapsys\AirBundle\Entity\GoogleToken;
 use Rapsys\AirBundle\Entity\Session;
 
 use Rapsys\PackBundle\Util\SluggerUtil;
 
+/**
+ * {@inheritdoc}
+ *
+ * Synchronize sessions in users' google calendar
+ */
 class CalendarCommand extends Command {
-	//Set failure constant
-	const FAILURE = 1;
-
-	///Set success constant
-	const SUCCESS = 0;
-
 	/**
-	 * Doctrine instance
+	 * Set description
 	 *
-	 * @var ManagerRegistry
+	 * Shown with bin/console list
 	 */
-	protected ManagerRegistry $doctrine;
-
-	///Router
-	protected RouterInterface $router;
-
-	///Slugger
-	protected SluggerUtil $slugger;
+	protected string $description = 'Synchronize sessions in users\' calendar';
 
-	///Translator instance
-	protected TranslatorInterface $translator;
+	/**
+	 * Set help
+	 *
+	 * Shown with bin/console --help rapsysair:calendar
+	 */
+	protected string $help = 'This command synchronize sessions in users\' google calendar';
 
-	///Locale
-	protected $locale;
+	/**
+	 * Set domain
+	 */
+	protected string $domain;
 
-	///Lifetime string
-	protected $lifetime;
+	/**
+	 * Set item
+	 *
+	 * Cache item instance
+	 */
+	protected ItemInterface $item;
 
-	///Namespace string
-	protected $namespace;
+	/**
+	 * Set prefix
+	 */
+	protected string $prefix;
 
-	///Path string
-	protected $path;
+	/**
+	 * Set service
+	 *
+	 * Google calendar instance
+	 */
+	protected Calendar $service;
 
 	/**
-	 * Creates new calendar command
+	 * {@inheritdoc}
 	 *
-	 * @param ManagerRegistry $doctrine The doctrine instance
-	 * @param RouterInterface $router The router instance
-	 * @param SluggerUtil $slugger The slugger instance
-	 * @param TranslatorInterface $translator The translator instance
-	 * @param string $namespace The cache namespace
-	 * @param int $lifetime The cache lifetime
-	 * @param string $path The cache path
-	 * @param string $locale The default locale
+	 * @param CacheInterface $cache The cache instance
+	 * @param Client $google The google client instance
+	 * @param DefaultMarkdown $markdown The markdown instance
 	 */
-	public function __construct(ManagerRegistry $doctrine, RouterInterface $router, SluggerUtil $slugger, TranslatorInterface $translator, string $namespace, int $lifetime, string $path, string $locale) {
+	public function __construct(protected ManagerRegistry $doctrine, protected string $locale, protected RouterInterface $router, protected SluggerUtil $slugger, protected TranslatorInterface $translator, protected CacheInterface $cache, protected Client $google, protected DefaultMarkdown $markdown) {
 		//Call parent constructor
-		parent::__construct();
+		parent::__construct($this->doctrine, $this->locale, $this->router, $this->slugger, $this->translator);
 
-		//Store doctrine
-		$this->doctrine = $doctrine;
+		//Replace google client redirect uri
+		$this->google->setRedirectUri($this->router->generate($this->google->getRedirectUri(), [], UrlGeneratorInterface::ABSOLUTE_URL));
+	}
 
-		//Set lifetime
-		$this->lifetime = $lifetime;
+	/**
+	 * Process the attribution
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		//Get domain
+		$this->domain = $this->router->getContext()->getHost();
 
-		//Set namespace
-		$this->namespace = $namespace;
+		//Get manager
+		$manager = $this->doctrine->getManager();
 
-		//Set path
-		$this->path = $path;
+		//Convert from any to latin, then to ascii and lowercase
+		$trans = \Transliterator::create('Any-Latin; Latin-ASCII; Lower()');
 
-		//Store router
-		$this->router = $router;
+		//Replace every non alphanumeric character by dash then trim dash
+		$this->prefix = preg_replace(['/(\.[a-z0-9]+)+$/', '/[^a-v0-9]+/'], '', $trans->transliterate($this->domain));
 
-		//Retrieve slugger
-		$this->slugger = $slugger;
+		//With too short prefix
+		if ($this->prefix === null || strlen($this->prefix) < 4) {
+			//Throw domain exception
+			throw new \DomainException('Prefix too short: '.$this->prefix);
+		}
 
-		//Get router context
-		$context = $this->router->getContext();
+		//Iterate on google tokens
+		foreach($tokens = $this->doctrine->getRepository(GoogleToken::class)->findAllIndexed() as $tid => $token) {
+			//Clear client cache before changing access token
+			//TODO: set a per token cache ?
+			$this->google->getCache()->clear();
+
+			//Set access token
+			$this->google->setAccessToken(
+				[
+					'access_token' => $token['access'],
+					'refresh_token' => $token['refresh'],
+					'created' => $token['created']->getTimestamp(),
+					'expires_in' => $token['expired']->getTimestamp() - (new \DateTime('now'))->getTimestamp()
+				]
+			);
+
+			//With expired token
+			if ($this->google->isAccessTokenExpired()) {
+				//Refresh token
+				if (($gRefresh = $this->google->getRefreshToken()) && ($gToken = $this->google->fetchAccessTokenWithRefreshToken($gRefresh)) && empty($gToken['error'])) {
+					//Get google token
+					$googleToken = $this->doctrine->getRepository(GoogleToken::class)->findOneById($token['id']);
+
+					//Set access token
+					$googleToken->setAccess($gToken['access_token']);
+
+					//Set expires
+					$googleToken->setExpired(new \DateTime('+'.$gToken['expires_in'].' second'));
+
+					//Set refresh
+					$googleToken->setRefresh($gToken['refresh_token']);
+
+					//Queue google token save
+					$manager->persist($googleToken);
+
+					//Flush to get the ids
+					$manager->flush();
+				//Refresh failed
+				} else {
+					//Show error
+					fprintf(STDERR, 'Unable to refresh token %d: %s', $token['id'], $gToken['error']?:'');
+
+					//TODO: warn user by mail ?
+
+					//Skip to next token
+					continue;
+				}
+			}
 
-		//Set host
-		$context->setHost('airlibre.eu');
+			//Get google calendar service
+			$this->service = new Calendar($this->google);
 
-		//Set scheme
-		$context->setScheme('https');
+			//Iterate on google calendars
+			foreach($calendars = $token['calendars'] as $cid => $calendar) {
+				//Set start
+				$synchronized = null;
 
-		//Set the translator
-		$this->translator = $translator;
-	}
+				//Set cache key
+				$cacheKey = 'command.calendar.'.$this->slugger->short($calendar['mail']);
 
-	///Configure attribute command
-	protected function configure() {
-		//Configure the class
-		$this
-			//Set name
-			->setName('rapsysair:calendar')
-			//Set description shown with bin/console list
-			->setDescription('Synchronize sessions in calendar')
-			//Set description shown with bin/console --help airlibre:attribute
-			->setHelp('This command synchronize sessions in google calendar');
-	}
+				//XXX: TODO: remove DEBUG
+				#$this->cache->delete($cacheKey);
 
-	///Process the attribution
-	protected function execute(InputInterface $input, OutputInterface $output) {
-		//Compute period
-		$period = new \DatePeriod(
-			//Start from last week
-			new \DateTime('-1 week'),
-			//Iterate on each day
-			new \DateInterval('P1D'),
-			//End with next 2 week
-			new \DateTime('+2 week')
-		);
+				//Retrieve calendar events
+				try {
+					//Get events
+					$events = $this->cache->get(
+						//Cache key
+						//XXX: set to command.calendar.$mail
+						$cacheKey,
+						//Fetch mail calendar event list
+						function (ItemInterface $item) use ($calendar, &$synchronized): array {
+							//Expire after 1h
+							$item->expiresAfter(3600);
+
+							//Set synchronized
+							$synchronized = new \DateTime('now');
+
+							//Init events
+							$events = [];
+
+							//Set filters
+							//TODO: add a filter to only retrieve
+							$filters = [
+								//XXX: every event even deleted one to be able to update them
+								'showDeleted' => true,
+								//XXX: every instances
+								'singleEvents' => false,
+								//XXX: select only domain events
+								'privateExtendedProperty' => 'domain='.$this->domain
+								#TODO: restrict events even more by time or updated datetime ? (-1 week to +2 week)
+								//TODO: fetch events one day before and one day after to avoid triggering double insert duplicate key 409 errors :=) on google
+								#'timeMin' => $period->getStartDate()->format(\DateTime::ISO8601),
+								#'timeMax' => $period->getEndDate()->format(\DateTime::ISO8601)
+								/*, 'iCalUID' => 'airlibre/?????'*//*'orderBy' => 'startTime', */
+								//updatedMin => new \DateTime('-1 week') ?
+							];
+
+							//Set page token
+							$pageToken = null;
+
+							//Iterate until next page token is null
+							do {
+								//Get calendar events list
+								//XXX: see vendor/google/apiclient-services/src/Calendar/Resource/Events.php +289
+								$eventList = $this->service->events->listEvents($calendar['mail'], ['pageToken' => $pageToken]+$filters);
+
+								//Iterate on items
+								foreach($eventList->getItems() as $event) {
+									//With extended properties
+									if (($properties = $event->getExtendedProperties()) && ($private = $properties->getPrivate()) && isset($private['id']) && ($id = $private['id']) && isset($private['domain']) && $private['domain'] == $this->domain) {
+										//Add event
+										$events[$id] = $event;
+									//XXX: 3rd party events without matching prefix and id are skipped
+									#} else {
+									#	#echo 'Skipping '.$event->getId().':'.$event->getSummary()."\n";
+									#	echo 'Skipping '.$id.':'.$event->getSummary()."\n";
+									}
+								}
+							} while ($pageToken = $eventList->getNextPageToken());
+
+							//Return events
+							return $events;
+						}
+					);
+				//Catch exception
+				} catch(\Google\Service\Exception $e) {
+					//With 401 or code
+					//XXX: see https://cloud.google.com/apis/design/errors
+					if ($e->getCode() == 401 || $e->getCode() == 403) {
+						//Show error
+						fprintf(STDERR, 'Unable to list calendar %d events: %s', $calendar['id'], $e->getMessage()?:'');
 
-		//Retrieve events to update
-		$sessions = $this->doctrine->getRepository(Session::class)->fetchAllByDatePeriod($period, $this->locale);
+						//TODO: warn user by mail ?
 
-		//Markdown converted instance
-		$markdown = new DefaultMarkdown;
+						//Skip to next token
+						continue;
+					}
 
-		//Retrieve cache object
-		//XXX: by default stored in /tmp/symfony-cache/@/W/3/6SEhFfeIW4UMDlAII+Dg
-		//XXX: stored in %kernel.project_dir%/var/cache/airlibre/0/P/IA20X0K4dkMd9-+Ohp9Q
-		$cache = new FilesystemAdapter($this->namespace, $this->lifetime, $this->path);
+					//Throw error
+					throw new \LogicException('Calendar event list failed', 0, $e);
+				}
 
-		//Retrieve calendars
-		$cacheCalendars = $cache->getItem('calendars');
+				//Store cache item
+				$this->item = $this->cache->getItem($cacheKey);
+
+				//Iterate on sessions to update
+				foreach($this->doctrine->getRepository(Session::class)->findAllByUserIdSynchronized($token['uid'], $calendar['synchronized']) as $session) {
+					//Start exception catching
+					try {
+						//Without event
+						if (!isset($events[$session['id']])) {
+							//Insert event
+							$this->insert($calendar['mail'], $session);
+						//With locked session
+						} elseif (($event = $events[$session['id']]) && !empty($session['locked'])) {
+							//Delete event
+							$sid = $this->delete($calendar['mail'], $event);
+
+							//Drop from events array
+							unset($events[$sid]);
+						//With event to update
+						} elseif ($session['modified'] > (new \DateTime($event->getUpdated()))) {
+							//Update event
+							$sid = $this->update($calendar['mail'], $event, $session);
+
+							//Drop from events array
+							unset($events[$sid]);
+						}
+					//Catch exception
+					} catch(\Google\Service\Exception $e) {
+						//Identifier already exists
+						if ($e->getCode() == 409) {
+							//Get calendar event
+							//XXX: see vendor/google/apiclient-services/src/Calendar/Resource/Events.php +81
+							$event = $this->service->events->get($calendar['mail'], $this->prefix.$session['id']);
+
+							//Update required
+							if ($session['modified'] > (new \DateTime($event->getUpdated()))) {
+								//Update event
+								$sid = $this->update($calendar['mail'], $event, $session);
+
+								//Drop from events array
+								unset($events[$sid]);
+							}
+						//TODO: handle other codes gracefully ? (503 & co)
+						//Other errors
+						} else {
+							//Throw error
+							throw new \LogicException(sprintf('Calendar %s event %s operation failed', $calendar, $this->prefix.$session['id']), 0, $e);
+						}
+					}
+				}
 
-		//Without calendars
-		if (!$cacheCalendars->isHit()) {
-			//Return failure
-			return self::FAILURE;
-		}
+				//Get all sessions
+				$sessions = $this->doctrine->getRepository(Session::class)->findAllByUserIdSynchronized($token['uid']);
 
-		//Retrieve calendars
-		$calendars = $cacheCalendars->get();
-
-		//XXX: calendars content
-		#var_export($calendars);
-
-		//Check expired token
-		foreach($calendars as $clientId => $client) {
-			//Get google client
-			$googleClient = new \Google\Client(['application_name' => $client['project'], 'client_id' => $clientId, 'client_secret' => $client['secret'], 'redirect_uri' => $client['redirect']]);
-
-			//Iterate on each tokens
-			foreach($client['tokens'] as $tokenId => $token) {
-				//Set token
-				$googleClient->setAccessToken(
-					[
-						'access_token' => $tokenId,
-						'refresh_token' => $token['refresh'],
-						'expires_in' => $token['expire'],
-						'scope' => $token['scope'],
-						'token_type' => $token['type'],
-						'created' => $token['created']
-					]
-				);
-
-				//With expired token
-				if ($exp = $googleClient->isAccessTokenExpired()) {
-					//Refresh token
-					if (($refreshToken = $googleClient->getRefreshToken()) && ($googleToken = $googleClient->fetchAccessTokenWithRefreshToken($refreshToken)) && empty($googleToken['error'])) {
-						//Add refreshed token
-						$calendars[$clientId]['tokens'][$googleToken['access_token']] = [
-							'calendar' => $token['calendar'],
-							'prefix' => $token['prefix'],
-							'refresh' => $googleToken['refresh_token'],
-							'expire' => $googleToken['expires_in'],
-							'scope' => $googleToken['scope'],
-							'type' => $googleToken['token_type'],
-							'created' => $googleToken['created']
-						];
-
-						//Remove old token
-						unset($calendars[$clientId]['tokens'][$tokenId]);
-					} else {
-						//Drop token
-						unset($calendars[$clientId]['tokens'][$tokenId]);
-
-						//Without tokens
-						if (empty($calendars[$clientId]['tokens'])) {
-							//Drop client
-							unset($calendars[$clientId]);
+				//Remaining events to drop
+				foreach($events as $eid => $event) {
+					//With events updated since last synchronized
+					if ($event->getStatus() == 'confirmed' && (new \DateTime($event->getUpdated())) > $calendar['synchronized']) {
+						//TODO: Add a try/catch here to handle error codes gracefully (503 & co) ?
+						//With event to update
+						if (isset($sessions[$eid]) && ($session = $sessions[$eid]) && empty($session['locked'])) {
+							//Update event
+							$sid = $this->update($calendar['mail'], $event, $session);
+
+							//Drop from events array
+							unset($events[$sid]);
+						//With locked or unknown session
+						} else {
+							//Delete event
+							$sid = $this->delete($calendar['mail'], $event);
+
+							//Drop from events array
+							unset($events[$sid]);
 						}
+					}
+				}
 
-						//Save calendars
-						$cacheCalendars->set($calendars);
+				//Persist cache item
+				$this->cache->commit();
 
-						//Save calendar
-						$cache->save($cacheCalendars);
+				//With synchronized
+				//XXX: only store synchronized on run without caching
+				if ($synchronized) {
+					//Get google calendar
+					$googleCalendar = $this->doctrine->getRepository(GoogleCalendar::class)->findOneById($calendar['id']);
 
-						//Drop token and report
-						//XXX: submit app to avoid expiration
-						//XXX: see https://console.cloud.google.com/apis/credentials/consent?project=calendar-317315
-						echo 'Token '.$tokenId.' for calendar '.$token['calendar'].' has expired and is not refreshable'."\n";
+					//Set synchronized
+					$googleCalendar->setSynchronized($synchronized);
 
-						//Return failure
-						//XXX: we want that mail and stop here
-						return self::FAILURE;
-					}
+					//Queue google calendar save
+					$manager->persist($googleCalendar);
+
+					//Flush to get the ids
+					$manager->flush();
 				}
 			}
 		}
 
-		//Save calendars
-		$cacheCalendars->set($calendars);
-
-		//Save calendar
-		$cache->save($cacheCalendars);
-
-		//Iterate on each calendar client
-		foreach($calendars as $clientId => $client) {
-			//Get google client
-			$googleClient = new \Google\Client(['application_name' => $client['project'], 'client_id' => $clientId, 'client_secret' => $client['secret'], 'redirect_uri' => $client['redirect']]);
-
-			//Iterate on each tokens
-			foreach($client['tokens'] as $tokenId => $token) {
-				//Set token
-				$googleClient->setAccessToken(
-					[
-						'access_token' => $tokenId,
-						'refresh_token' => $token['refresh'],
-						'expires_in' => $token['expire'],
-						'scope' => $token['scope'],
-						'token_type' => $token['type'],
-						'created' => $token['created']
-					]
-				);
+		//Return success
+		return self::SUCCESS;
+	}
 
-				//With expired token
-				if ($exp = $googleClient->isAccessTokenExpired()) {
-					//Last chance to skip this run
-					continue;
-				}
+	/**
+	 * Delete event
+	 *
+	 * @param string $calendar The calendar mail
+	 * @param Event $event The google event instance
+	 * @return void
+	 */
+	function delete(string $calendar, Event $event): int {
+		//Get cache events
+		$cacheEvents = $this->item->get();
 
-				//Get google calendar
-				$googleCalendar = new \Google\Service\Calendar($googleClient);
+		//Get event id
+		$eid = $event->getId();
 
-				//Retrieve calendar
-				try {
-					$calendar = $googleCalendar->calendars->get($token['calendar']);
-				//Catch exception
-				} catch(\Google\Service\Exception $e) {
-					//Display exception
-					//TODO: handle codes here https://developers.google.com/calendar/api/guides/errors
-					echo 'Exception '.$e->getCode().':'.$e->getMessage().' in '.$e->getFile().' +'.$e->getLine()."\n";
-					echo $e->getTraceAsString()."\n";
+		//Delete the event
+		$this->service->events->delete($calendar, $eid);
 
-					//Return failure
-					return self::FAILURE;
-				}
+		//Set sid
+		$sid = intval(substr($event->getId(), strlen($this->prefix)));
 
-				//Init events
-				$events = [];
-
-				//Set filters
-				$filters = [
-					//XXX: show even deleted event to be able to update them
-					'showDeleted' => true,
-					//TODO: fetch events one day before and one day after to avoid triggering double insert duplicate key 409 errors :=) on google
-					'timeMin' => $period->getStartDate()->format(\DateTime::ISO8601),
-					'timeMax' => $period->getEndDate()->format(\DateTime::ISO8601)
-					/*, 'iCalUID' => 'airlibre/?????'*//*'orderBy' => 'startTime', */
-				];
-
-				//Retrieve event collection
-				$googleEvents = $googleCalendar->events->listEvents($token['calendar'], $filters);
-
-				//Iterate until reached end
-				while (true) {
-					//Iterate on each event
-					foreach ($googleEvents->getItems() as $event) {
-						//Store event by id
-						if (preg_match('/^'.$token['prefix'].'([0-9]+)$/', $id = $event->getId(), $matches)) {
-							$events[$matches[1]] = $event;
-						//XXX: 3rd party events with id not matching prefix are skipped
-						#} else {
-						#	echo 'Skipping '.$event->getId().':'.$event->getSummary()."\n";*/
-						}
-					}
+		//Remove from events and cache events
+		unset($cacheEvents[$sid]);
 
-					//Get page token
-					$pageToken = $googleEvents->getNextPageToken();
+		//Set cache events
+		$this->item->set($cacheEvents);
 
-					//Handle next page
-					if ($pageToken) {
-						//Replace collection with next one
-						$googleEvents = $service->events->listEvents($token['calendar'], $filters+['pageToken' => $pageToken]);
-					} else {
-						break;
-					}
-				}
+		//Save cache item
+		$this->cache->saveDeferred($this->item);
 
-				//Iterate on each session to sync
-				foreach($sessions as $sessionId => $session) {
-					//Init shared properties
-					//TODO: validate for constraints here ??? https://developers.google.com/calendar/api/guides/extended-properties
-					//TODO: drop shared as unused ???
-					$shared = [
-						'gps' => $session['l_latitude'].','.$session['l_longitude']
-					];
-
-					//Init source
-					$source = [
-						'title' => $this->translator->trans('%dance% %id% by %pseudonym%', ['%id%' => $sessionId, '%dance%' => $this->translator->trans($session['ad_name'].' '.lcfirst($session['ad_type'])), '%pseudonym%' => $session['au_pseudonym']]).' '.$this->translator->trans('at '.$session['l_title']),
-						'url' => $this->router->generate('rapsys_air_session_view', ['id' => $sessionId, 'location' => $this->slugger->slug($this->translator->trans($session['l_title'])), 'dance' => $this->slugger->slug($this->translator->trans($session['ad_name'].' '.lcfirst($session['ad_type']))), 'user' => $this->slugger->slug($session['au_pseudonym'])], UrlGeneratorInterface::ABSOLUTE_URL)
-					];
-
-					//Init location
-					$description = 'Emplacement :'."\n".$this->translator->trans($session['l_description']);
-					$shared['location'] = $markdown->convert(strip_tags($session['l_description']));
-
-					//Add description
-					$description .= "\n\n".'Description :'."\n".strip_tags(preg_replace('!<a href="([^"]+)"(?: title="[^"]+")?'.'>([^<]+)</a>!', '\1', $markdown->convert(strip_tags($session['p_description']))));
-					$shared['description'] = $markdown->convert(strip_tags($session['p_description']));
-
-					//Add class when available
-					if (!empty($session['p_class'])) {
-						$shared['class'] = $session['p_class'];
-						$description .= "\n\n".'Classe :'."\n".$session['p_class'];
-					}
+		//Return session id
+		return $sid;
+	}
 
-					//Add contact when available
-					if (!empty($session['p_contact'])) {
-						$shared['contact'] = $session['p_contact'];
-						$description .= "\n\n".'Contact :'."\n".$session['p_contact'];
-					}
+	/**
+	 * Fill event
+	 *
+	 * TODO: add domain based/calendar mail specific templates ?
+	 *
+	 * @param array $session The session instance
+	 * @param ?Event $event The event instance
+	 * @return Event The filled event
+	 */
+	function fill(array $session, ?Event $event = null): Event {
+		//Init private properties
+		$private = [
+			'id' => $session['id'],
+			'domain' => $this->domain,
+			'updated' => $session['modified']->format(\DateTime::ISO8601)
+		];
+
+		//Init shared properties
+		//TODO: validate for constraints here ??? https://developers.google.com/calendar/api/guides/extended-properties
+		//TODO: drop shared as unused ???
+		$shared = [
+			'gps' => $session['l_latitude'].','.$session['l_longitude']
+		];
+
+		//Init source
+		$source = new EventSource(
+			[
+				'title' => $this->translator->trans('%dance% %id% by %pseudonym%', ['%id%' => $session['id'], '%dance%' => $this->translator->trans($session['ad_name'].' '.lcfirst($session['ad_type'])), '%pseudonym%' => $session['au_pseudonym']]).' '.$this->translator->trans('at '.$session['l_title']),
+				'url' => $this->router->generate('rapsysair_session_view', ['id' => $session['id'], 'location' => $this->slugger->slug($this->translator->trans($session['l_title'])), 'dance' => $this->slugger->slug($this->translator->trans($session['ad_name'].' '.lcfirst($session['ad_type']))), 'user' => $this->slugger->slug($session['au_pseudonym'])], UrlGeneratorInterface::ABSOLUTE_URL)
+			]
+		);
 
-					//Add donate when available
-					if (!empty($session['p_donate'])) {
-						$shared['donate'] = $session['p_donate'];
-						$description .= "\n\n".'Contribuer :'."\n".$session['p_donate'];
-					}
+		//Init location
+		$description = 'Emplacement :'."\n".$this->translator->trans($session['l_description']);
+		$shared['location'] = strip_tags($this->translator->trans($session['l_description']));
 
-					//Add link when available
-					if (!empty($session['p_link'])) {
-						$shared['link'] = $session['p_link'];
-						$description .= "\n\n".'Site :'."\n".$session['p_link'];
-					}
+		//Add description when available
+		if(!empty($session['p_description'])) {
+			$description .= "\n\n".'Description :'."\n".strip_tags(preg_replace('!<a href="([^"]+)"(?: title="[^"]+")?'.'>([^<]+)</a>!', '\1', $this->markdown->convert(strip_tags($session['p_description']))));
+			$shared['description'] = $this->markdown->convert(strip_tags($session['p_description']));
+		}
 
-					//Add profile when available
-					if (!empty($session['p_profile'])) {
-						$shared['profile'] = $session['p_profile'];
-						$description .= "\n\n".'Réseau social :'."\n".$session['p_profile'];
-					}
+		//Add class when available
+		if (!empty($session['p_class'])) {
+			$description .= "\n\n".'Classe :'."\n".$session['p_class'];
+			$shared['class'] = $session['p_class'];
+		}
 
-					//Locked session
-					if (!empty($session['locked']) && $events[$sessionId]) {
-						//With events
-						if (!empty($event = $events[$sessionId])) {
-							try {
-								//Delete the event
-								$googleCalendar->events->delete($token['calendar'], $event->getId());
-							//Catch exception
-							} catch(\Google\Service\Exception $e) {
-								//Display exception
-								//TODO: handle codes here https://developers.google.com/calendar/api/guides/errors
-								echo 'Exception '.$e->getCode().':'.$e->getMessage().' in '.$e->getFile().' +'.$e->getLine()."\n";
-								echo $e->getTraceAsString()."\n";
-
-								//Return failure
-								return self::FAILURE;
-							}
-						}
-					//Without event
-					} elseif (empty($events[$sessionId])) {
-						//Init event
-						$event = new \Google\Service\Calendar\Event(
-							[
-								//TODO: replace 'airlibre' with $this->config['calendar']['prefix'] when possible with prefix validating [a-v0-9]{5,}
-								//XXX: see https://developers.google.com/calendar/api/v3/reference/events/insert#id
-								'id' => $token['prefix'].$sessionId,
-								#'summary' => $session['au_pseudonym'].' '.$this->translator->trans('at '.$session['l_title']),
-								'summary' => $source['title'],
-								#'description' => $markdown->convert(strip_tags($session['p_description'])),
-								'description' => $description,
-								'status' => empty($session['a_canceled'])?'confirmed':'cancelled',
-								'location' => implode(' ', [$session['l_address'], $session['l_zipcode'], $session['l_city']]),
-								'source' => $source,
-								'extendedProperties' => [
-									'shared' => $shared
-								],
-								//TODO: colorId ?
-								//TODO: attendees[] ?
-								'start' => [
-									'dateTime' => $session['start']->format(\DateTime::ISO8601)
-								],
-								'end' => [
-									'dateTime' => $session['stop']->format(\DateTime::ISO8601)
-								]
-							]
-						);
-
-						try {
-							//Insert the event
-							$googleCalendar->events->insert($token['calendar'], $event);
-						//Catch exception
-						} catch(\Google\Service\Exception $e) {
-							//Display exception
-							//TODO: handle codes here https://developers.google.com/calendar/api/guides/errors
-							echo 'Exception '.$e->getCode().':'.$e->getMessage().' in '.$e->getFile().' +'.$e->getLine()."\n";
-							echo $e->getTraceAsString()."\n";
-
-							//Return failure
-							return self::FAILURE;
-						}
-					// With event
-					} else {
-						//Set event
-						$event = $events[$sessionId];
+		//Add contact when available
+		if (!empty($session['p_contact'])) {
+			$description .= "\n\n".'Contact :'."\n".$session['p_contact'];
+			$shared['contact'] = $session['p_contact'];
+		}
+
+		//Add donate when available
+		if (!empty($session['p_donate'])) {
+			$description .= "\n\n".'Contribuer :'."\n".$session['p_donate'];
+			$shared['donate'] = $session['p_donate'];
+		}
+
+		//Add link when available
+		if (!empty($session['p_link'])) {
+			$description .= "\n\n".'Site :'."\n".$session['p_link'];
+			$shared['link'] = $session['p_link'];
+		}
 
-						//With updated event
-						if ($session['updated'] >= (new \DateTime($event->getUpdated()))) {
-							//Set summary
-							#$event->setSummary($session['au_pseudonym'].' '.$this->translator->trans('at '.$session['l_title']));
-							$event->setSummary($source['title']);
+		//Add profile when available
+		if (!empty($session['p_profile'])) {
+			$description .= "\n\n".'Réseau social :'."\n".$session['p_profile'];
+			$shared['profile'] = $session['p_profile'];
+		}
 
-							//Set description
-							$event->setDescription($description);
+		//Set properties
+		$properties = new EventExtendedProperties(
+			[
+				//Set private property
+				'private' => $private,
+				//Set shared property
+				'shared' => $shared
+			]
+		);
 
-							//Set status
-							$event->setStatus(empty($session['a_canceled'])?'confirmed':'cancelled');
+		//Without event
+		if ($event === null) {
+			//Init event
+			$event = new Event(
+				[
+					//Id must match /^[a-v0-9]{5,}$/
+					//XXX: see https://developers.google.com/calendar/api/v3/reference/events/insert#id
+					'id' => $this->prefix.$session['id'],
+					'summary' => $source->getTitle(),
+					'description' => $description,
+					'status' => empty($session['a_canceled'])?'confirmed':'cancelled',
+					'location' => implode(' ', [$session['l_address'], $session['l_zipcode'], $session['l_city']]),
+					'source' => $source,
+					'extendedProperties' => $properties,
+					//TODO: colorId ?
+					//TODO: attendees[] ?
+					'start' => [
+						'dateTime' => $session['start']->format(\DateTime::ISO8601)
+					],
+					'end' => [
+						'dateTime' => $session['stop']->format(\DateTime::ISO8601)
+					]
+				]
+			);
+		//With event
+		} else {
+			//Set summary
+			$event->setSummary($source->getTitle());
 
-							//Set location
-							$event->setLocation(implode(' ', [$session['l_address'], $session['l_zipcode'], $session['l_city']]));
+			//Set description
+			$event->setDescription($description);
 
-							//Get source
-							$eventSource = $event->getSource();
+			//Set status
+			$event->setStatus(empty($session['a_canceled'])?'confirmed':'cancelled');
 
-							//Update source title
-							$eventSource->setTitle($source['title']);
+			//Set location
+			$event->setLocation(implode(' ', [$session['l_address'], $session['l_zipcode'], $session['l_city']]));
 
-							//Update source url
-							$eventSource->setUrl($source['url']);
+			//Get source
+			#$eventSource = $event->getSource();
 
-							//Set source
-							#$event->setSource($source);
+			//Update source title
+			#$eventSource->setTitle($source->getTitle());
 
-							//Get extended properties
-							$extendedProperties = $event->getExtendedProperties();
+			//Update source url
+			#$eventSource->setUrl($source->getUrl());
 
-							//Update shared
-							$extendedProperties->setShared($shared);
+			//Set source
+			$event->setSource($source);
 
-							//TODO: colorId ?
-							//TODO: attendees[] ?
+			//Get extended properties
+			#$extendedProperties = $event->getExtendedProperties();
 
-							//Set start
-							$start = $event->getStart();
+			//Update private
+			#$extendedProperties->setPrivate($properties->getPrivate());
 
-							//Update start datetime
-							$start->setDateTime($session['start']->format(\DateTime::ISO8601));
+			//Update shared
+			#$extendedProperties->setShared($properties->getShared());
 
-							//Set end
-							$end = $event->getEnd();
+			//Set properties
+			$event->setExtendedProperties($properties);
 
-							//Update stop datetime
-							$end->setDateTime($session['stop']->format(\DateTime::ISO8601));
+			//TODO: colorId ?
+			//TODO: attendees[] ?
 
-							try {
-								//Update the event
-								$updatedEvent = $googleCalendar->events->update($token['calendar'], $event->getId(), $event);
-							//Catch exception
-							} catch(\Google\Service\Exception $e) {
-								//Display exception
-								//TODO: handle codes here https://developers.google.com/calendar/api/guides/errors
-								echo 'Exception '.$e->getCode().':'.$e->getMessage().' in '.$e->getFile().' +'.$e->getLine()."\n";
-								echo $e->getTraceAsString()."\n";
+			//Set start
+			$start = $event->getStart();
 
-								//Return failure
-								return self::FAILURE;
-							}
-						}
+			//Update start datetime
+			$start->setDateTime($session['start']->format(\DateTime::ISO8601));
 
-						//Drop from events array
-						unset($events[$sessionId]);
-					}
-				}
+			//Set end
+			$end = $event->getEnd();
 
-				//Remaining events to drop
-				foreach($events as $eventId => $event) {
-					//Non canceled events
-					if ($event->getStatus() == 'confirmed') {
-						try {
-							//Delete the event
-							$googleCalendar->events->delete($token['calendar'], $event->getId());
-						//Catch exception
-						} catch(\Google\Service\Exception $e) {
-							//Display exception
-							//TODO: handle codes here https://developers.google.com/calendar/api/guides/errors
-							echo 'Exception '.$e->getCode().':'.$e->getMessage().' in '.$e->getFile().' +'.$e->getLine()."\n";
-							echo $e->getTraceAsString()."\n";
-
-							//Return failure
-							return self::FAILURE;
-						}
-					}
-				}
-			}
+			//Update stop datetime
+			$end->setDateTime($session['stop']->format(\DateTime::ISO8601));
 		}
 
-		//Return success
-		return self::SUCCESS;
+		//Return event
+		return $event;
 	}
 
 	/**
-	 * Return the bundle alias
+	 * Insert event
 	 *
-	 * {@inheritdoc}
+	 * @param string $calendar The calendar mail
+	 * @param array $session The session instance
+	 * @return void
 	 */
-	public function getAlias(): string {
-		return 'rapsys_air';
+	function insert(string $calendar, array $session): void {
+		//Get event
+		$event = $this->fill($session);
+
+		//Get cache events
+		$cacheEvents = $this->item->get();
+
+		//Insert in cache event
+		$cacheEvents[$session['id']] = $this->service->events->insert($calendar, $event);
+
+		//Set cache events
+		$this->item->set($cacheEvents);
+
+		//Save cache item
+		$this->cache->saveDeferred($this->item);
+	}
+
+	/**
+	 * Update event
+	 *
+	 * @param string $calendar The calendar mail
+	 * @param Event $event The google event instance
+	 * @param array $session The session instance
+	 * @return int The session id
+	 */
+	function update(string $calendar, Event $event, array $session): int {
+		//Get event
+		$event = $this->fill($session, $event);
+
+		//Get cache events
+		$cacheEvents = $this->item->get();
+
+		//Update in cache events
+		$cacheEvents[$session['id']] = $this->service->events->update($calendar, $event->getId(), $event);
+
+		//Set cache events
+		$this->item->set($cacheEvents);
+
+		//Save cache item
+		$this->cache->saveDeferred($this->item);
+
+		//Return session id
+		return $session['id'];
 	}
 }