X-Git-Url: https://git.rapsys.eu/airbundle/blobdiff_plain/e874335fb152dd842c9d156809b9910f9844f8b7..f1d9cc59cfc96d5ee76e48d7a9569bb329cad501:/Repository/SessionRepository.php?ds=sidebyside

diff --git a/Repository/SessionRepository.php b/Repository/SessionRepository.php
index b7471eb..13318fb 100644
--- a/Repository/SessionRepository.php
+++ b/Repository/SessionRepository.php
@@ -1,64 +1,1696 @@
-<?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\Repository;
 
+use Doctrine\DBAL\Types\Types;
+use Doctrine\ORM\AbstractQuery;
+use Doctrine\ORM\Query\ResultSetMapping;
+
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+
+use Rapsys\AirBundle\Entity\Application;
+use Rapsys\AirBundle\Entity\Location;
+use Rapsys\AirBundle\Entity\Session;
+use Rapsys\AirBundle\Entity\Slot;
+use Rapsys\AirBundle\Repository;
+
 /**
  * SessionRepository
  */
-class SessionRepository extends \Doctrine\ORM\EntityRepository {
+class SessionRepository extends Repository {
+	///Set glyphs
+	//TODO: document utf-8 codes ?
+	//TODO: use unknown == ? symbol by default ???
+	//💃<= dancer #0001f483
+	//💃<= tanguera #0001f483
+	const GLYPHS = [
+		//Slots
+		'Morning' => '🌅', #0001f305
+		'Afternoon' => '☀️', #2600
+		'Evening' => '🌇', #0001f307
+		'After' => '✨', #2728
+		//Weathers
+		'Cleary' => '☀', #2600
+		'Sunny' => '⛅', #26c5
+		'Cloudy' => '☁', #2601
+		'Winty' => '❄️', #2744
+		'Rainy' => '🌂', #0001f302
+		'Stormy' => '☔', #2614
+		//Rate
+		'Euro' => '€', #20ac
+		'Free' => '🍺', #0001f37a
+		'Hat' => '🎩' #0001f3a9
+	];
+
+	/**
+	 * Find session as array by id
+	 *
+	 * @param int $id The session id
+	 * @return array The session data
+	 */
+	public function findOneByIdAsArray(int $id): ?array {
+		//Set the request
+		$req =<<<SQL
+SELECT
+	s.id,
+	s.date,
+	s.begin,
+	ADDDATE(ADDTIME(s.date, s.begin), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) AS start,
+	s.length,
+	ADDDATE(ADDTIME(ADDTIME(s.date, s.begin), s.length), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) AS stop,
+	s.rainfall,
+	s.rainrisk,
+	s.realfeel,
+	s.realfeelmin,
+	s.realfeelmax,
+	s.temperature,
+	s.temperaturemin,
+	s.temperaturemax,
+	s.locked,
+	s.created,
+	s.updated,
+	s.location_id AS l_id,
+	l.title AS l_title,
+	l.description AS l_description,
+	l.address AS l_address,
+	l.zipcode AS l_zipcode,
+	l.city AS l_city,
+	l.latitude AS l_latitude,
+	l.longitude AS l_longitude,
+	l.indoor AS l_indoor,
+	l.updated AS l_updated,
+	s.slot_id AS t_id,
+	t.title AS t_title,
+	s.application_id AS a_id,
+	a.canceled AS a_canceled,
+	a.dance_id AS ad_id,
+	ad.name AS ad_name,
+	ad.type AS ad_type,
+	a.user_id AS au_id,
+	au.pseudonym AS au_pseudonym,
+	p.id AS p_id,
+	p.description AS p_description,
+	p.class AS p_class,
+	p.contact AS p_contact,
+	p.donate AS p_donate,
+	p.link AS p_link,
+	p.profile AS p_profile,
+	p.rate AS p_rate,
+	p.hat AS p_hat,
+	GREATEST(COALESCE(s.updated, 0), COALESCE(l.updated, 0), COALESCE(t.updated, 0), COALESCE(p.updated, 0), COALESCE(MAX(sa.updated), 0), COALESCE(MAX(sau.updated), 0), COALESCE(MAX(sad.updated), 0)) AS modified,
+	GROUP_CONCAT(sa.id ORDER BY sa.user_id SEPARATOR "\\n") AS sa_id,
+	GROUP_CONCAT(IFNULL(sa.score, 'NULL') ORDER BY sa.user_id SEPARATOR "\\n") AS sa_score,
+	GROUP_CONCAT(sa.created ORDER BY sa.user_id SEPARATOR "\\n") AS sa_created,
+	GROUP_CONCAT(sa.updated ORDER BY sa.user_id SEPARATOR "\\n") AS sa_updated,
+	GROUP_CONCAT(IFNULL(sa.canceled, 'NULL') ORDER BY sa.user_id SEPARATOR "\\n") AS sa_canceled,
+	GROUP_CONCAT(sa.user_id ORDER BY sa.user_id SEPARATOR "\\n") AS sau_id,
+	GROUP_CONCAT(sau.pseudonym ORDER BY sa.user_id SEPARATOR "\\n") AS sau_pseudonym
+FROM Rapsys\AirBundle\Entity\Session AS s
+JOIN Rapsys\AirBundle\Entity\Location AS l ON (l.id = s.location_id)
+JOIN Rapsys\AirBundle\Entity\Slot AS t ON (t.id = s.slot_id)
+LEFT JOIN Rapsys\AirBundle\Entity\Application AS a ON (a.id = s.application_id)
+LEFT JOIN Rapsys\AirBundle\Entity\Dance AS ad ON (ad.id = a.dance_id)
+LEFT JOIN Rapsys\AirBundle\Entity\User AS au ON (au.id = a.user_id)
+LEFT JOIN Rapsys\AirBundle\Entity\Snippet AS p ON (p.location_id = s.location_id AND p.user_id = a.user_id AND p.locale = :locale)
+LEFT JOIN Rapsys\AirBundle\Entity\Application AS sa ON (sa.session_id = s.id)
+LEFT JOIN Rapsys\AirBundle\Entity\User AS sau ON (sau.id = sa.user_id)
+LEFT JOIN Rapsys\AirBundle\Entity\Dance AS sad ON (sad.id = sa.dance_id)
+WHERE s.id = :id
+GROUP BY s.id
+ORDER BY NULL
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+		//Get result set mapping instance
+		//XXX: DEBUG: see ../blog.orig/src/Rapsys/BlogBundle/Repository/ArticleRepository.php
+		$rsm = new ResultSetMapping();
+
+		//Declare all fields
+		//XXX: see vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/Types.php
+		$rsm->addScalarResult('id', 'id', 'integer')
+			->addScalarResult('date', 'date', 'date')
+			->addScalarResult('begin', 'begin', 'time')
+			->addScalarResult('start', 'start', 'datetime')
+			->addScalarResult('length', 'length', 'time')
+			->addScalarResult('stop', 'stop', 'datetime')
+			->addScalarResult('rainfall', 'rainfall', 'float')
+			->addScalarResult('rainrisk', 'rainrisk', 'float')
+			->addScalarResult('realfeel', 'realfeel', 'float')
+			->addScalarResult('realfeelmin', 'realfeelmin', 'float')
+			->addScalarResult('realfeelmax', 'realfeelmax', 'float')
+			->addScalarResult('temperature', 'temperature', 'float')
+			->addScalarResult('temperaturemin', 'temperaturemin', 'float')
+			->addScalarResult('temperaturemax', 'temperaturemax', 'float')
+			->addScalarResult('locked', 'locked', 'datetime')
+			->addScalarResult('created', 'created', 'datetime')
+			->addScalarResult('updated', 'updated', 'datetime')
+			->addScalarResult('l_id', 'l_id', 'integer')
+			->addScalarResult('l_title', 'l_title', 'string')
+			->addScalarResult('l_description', 'l_description', 'string')
+			->addScalarResult('l_address', 'l_address', 'string')
+			->addScalarResult('l_zipcode', 'l_zipcode', 'string')
+			->addScalarResult('l_city', 'l_city', 'string')
+			->addScalarResult('l_latitude', 'l_latitude', 'float')
+			->addScalarResult('l_longitude', 'l_longitude', 'float')
+			->addScalarResult('l_indoor', 'l_indoor', 'boolean')
+			->addScalarResult('l_updated', 'l_updated', 'datetime')
+			->addScalarResult('t_id', 't_id', 'integer')
+			->addScalarResult('t_title', 't_title', 'string')
+			->addScalarResult('a_id', 'a_id', 'integer')
+			->addScalarResult('a_canceled', 'a_canceled', 'datetime')
+			->addScalarResult('ad_id', 'ad_id', 'integer')
+			->addScalarResult('ad_name', 'ad_name', 'string')
+			->addScalarResult('ad_type', 'ad_type', 'string')
+			->addScalarResult('au_id', 'au_id', 'integer')
+			->addScalarResult('au_pseudonym', 'au_pseudonym', 'string')
+			->addScalarResult('p_id', 'p_id', 'integer')
+			->addScalarResult('p_description', 'p_description', 'text')
+			->addScalarResult('p_class', 'p_class', 'text')
+			->addScalarResult('p_contact', 'p_contact', 'text')
+			->addScalarResult('p_donate', 'p_donate', 'text')
+			->addScalarResult('p_link', 'p_link', 'text')
+			->addScalarResult('p_profile', 'p_profile', 'text')
+			->addScalarResult('p_rate', 'p_rate', 'integer')
+			->addScalarResult('p_hat', 'p_hat', 'boolean')
+			->addScalarResult('modified', 'modified', 'datetime')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sa_id', 'sa_id', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sa_score', 'sa_score', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sa_created', 'sa_created', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sa_updated', 'sa_updated', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sa_canceled', 'sa_canceled', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sau_id', 'sau_id', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sau_pseudonym', 'sau_pseudonym', 'string')
+			->addIndexByScalar('id');
+
+		//Set result
+		$result = $this->_em
+			->createNativeQuery($req, $rsm)
+			->setParameter('id', $id)
+			->getOneOrNullResult();
+
+		//Without result
+		if ($result === null) {
+			//Return result
+			return $result;
+		}
+
+		//Set route
+		$route = 'rapsys_air_session_view';
+
+		//Set route params
+		$routeParams = ['id' => $id, 'location' => $this->slugger->slug($this->translator->trans($result['l_title']))];
+
+		//Set session
+		$session = [
+			'id' => $id,
+			'date' => $result['date'],
+			'begin' => $result['begin'],
+			'start' => $result['start'],
+			'length' => $result['length'],
+			'stop' => $result['stop'],
+			'rainfall' => $result['rainfall'] !== null ? $result['rainfall'].' mm' : $result['rainfall'],
+			'rainrisk' => $result['rainrisk'] !== null ? ($result['rainrisk']*100).' %' : $result['rainrisk'],
+			'realfeel' => $result['realfeel'] !== null ? $result['realfeel'].' °C' : $result['realfeel'],
+			'realfeelmin' => $result['realfeelmin'] !== null ? $result['realfeelmin'].' °C' : $result['realfeelmin'],
+			'realfeelmax' => $result['realfeelmax'] !== null ? $result['realfeelmax'].' °C' : $result['realfeelmax'],
+			'temperature' => $result['temperature'] !== null ? $result['temperature'].' °C' : $result['temperature'],
+			'temperaturemin' => $result['temperaturemin'] !== null ? $result['temperaturemin'].' °C' : $result['temperaturemin'],
+			'temperaturemax' => $result['temperaturemax'] !== null ? $result['temperaturemax'].' °C' : $result['temperaturemax'],
+			'locked' => $result['locked'],
+			'created' => $result['created'],
+			'updated' => $result['updated'],
+			'title' => $this->translator->trans('Session %id%', ['%id%' => $id]),
+			'modified' => $result['modified'],
+			'application' => null,
+			'location' => [
+				'id' => $result['l_id'],
+				'at' => $this->translator->trans('at '.$result['l_title']),
+				'title' => $locationTitle = $this->translator->trans($result['l_title']),
+				'description' => $this->translator->trans($result['l_description']??'None'),
+				'address' => $result['l_address'],
+				'zipcode' => $result['l_zipcode'],
+				'city' => $result['l_city'],
+				'in' => $this->translator->trans('in '.$result['l_city']),
+				'map' => $this->translator->trans($result['l_title'].' access map'),
+				'multimap' => $this->translator->trans($result['l_title'].' sector map'),
+				'latitude' => $result['l_latitude'],
+				'longitude' => $result['l_longitude'],
+				'indoor' => $result['l_indoor'],
+				'slug' => $routeParams['location'],
+				'link' => $this->router->generate('rapsys_air_location_view', ['id' => $result['l_id'], 'location' => $routeParams['location']])
+			],
+			'slot' => [
+				'id' => $result['t_id'],
+				'the' => $this->translator->trans('the '.lcfirst($result['t_title'])),
+				'title' => $this->translator->trans($result['t_title'])
+			],
+			'snippet' => null,
+			'applications' => null
+		];
+
+		//With application
+		if (!empty($result['a_id'])) {
+			$session['application'] = [
+				'dance' => [
+					'id' => $result['ad_id'],
+					'title' => $this->translator->trans($result['ad_name'].' '.lcfirst($result['ad_type'])),
+					'name' => $this->translator->trans($result['ad_name']),
+					'type' => $this->translator->trans($result['ad_type']),
+					'slug' => $routeParams['dance'] = $this->slugger->slug($this->translator->trans($result['ad_name'].' '.lcfirst($result['ad_type']))),
+					'link' => $this->router->generate('rapsys_air_dance_view', ['id' => $result['ad_id'], 'name' => $this->slugger->slug($this->translator->trans($result['ad_name'])), 'type' => $this->slugger->slug($this->translator->trans($result['ad_type']))])
+				],
+				'user' => [
+					'id' => $result['au_id'],
+					'by' => $this->translator->trans('by %pseudonym%', [ '%pseudonym%' => $result['au_pseudonym'] ]),
+					'title' => $result['au_pseudonym'],
+					'slug' => $routeParams['user'] =  $this->slugger->slug($result['au_pseudonym']),
+					'link' => $result['au_id'] == 1 && $routeParams['user'] == 'milonga-raphael' ? $this->router->generate('rapsys_air_user_milongaraphael') : $this->router->generate('rapsys_air_user_view', ['id' => $result['au_id'], 'user' => $routeParams['user']]),
+					'contact' => $this->router->generate('rapsys_air_contact', ['id' => $result['au_id'], 'user' => $routeParams['user']])
+				],
+				'id' => $result['a_id'],
+				'canceled' => $result['a_canceled']
+			];
+		}
+
+		//With snippet
+		if (!empty($result['p_id'])) {
+			$session['snippet'] = [
+				'id' => $result['p_id'],
+				'description' => $result['p_description'],
+				'class' => $result['p_class'],
+				'contact' => $result['p_contact'],
+				'donate' => $result['p_donate'],
+				'link' => $result['p_link'],
+				'profile' => $result['p_profile'],
+				'rate' => $result['p_rate'],
+				'hat' => $result['p_hat']
+			];
+		}
+
+		//With applications
+		if (!empty($result['sa_id'])) {
+			//Extract applications id
+			$result['sa_id'] = explode("\n", $result['sa_id']);
+			//Extract applications score
+			//XXX: score may be null before grant or for bad behaviour, replace NULL with 'NULL' to avoid silent drop in mysql
+			$result['sa_score'] = array_map(function($v){return $v==='NULL'?null:$v;}, explode("\n", $result['sa_score']));
+			//Extract applications created
+			$result['sa_created'] = array_map(function($v){return new \DateTime($v);}, explode("\n", $result['sa_created']));
+			//Extract applications updated
+			$result['sa_updated'] = array_map(function($v){return new \DateTime($v);}, explode("\n", $result['sa_updated']));
+			//Extract applications canceled
+			//XXX: canceled is null before cancelation, replace NULL with 'NULL' to avoid silent drop in mysql
+			$result['sa_canceled'] = array_map(function($v){return $v==='NULL'?null:new \DateTime($v);}, explode("\n", $result['sa_canceled']));
+
+			//Extract applications user id
+			$result['sau_id'] = explode("\n", $result['sau_id']);
+			//Extract applications user pseudonym
+			$result['sau_pseudonym'] = explode("\n", $result['sau_pseudonym']);
+
+			//Init applications
+			$session['applications'] = [];
+
+			//Iterate on each applications id
+			foreach($result['sa_id'] as $i => $sa_id) {
+				$session['applications'][$sa_id] = [
+					'user' => null,
+					'score' => $result['sa_score'][$i],
+					'created' => $result['sa_created'][$i],
+					'updated' => $result['sa_updated'][$i],
+					'canceled' => $result['sa_canceled'][$i]
+				];
+				if (!empty($result['sau_id'][$i])) {
+					$session['applications'][$sa_id]['user'] = [
+						'id' => $result['sau_id'][$i],
+						'title' => $result['sau_pseudonym'][$i],
+						'slug' => $this->slugger->slug($result['sau_pseudonym'][$i])
+					];
+				}
+			}
+		}
+
+		//Set link
+		$session['link'] = $this->router->generate($route, $routeParams);
+
+		//Set canonical
+		$session['canonical'] = $this->router->generate($route, $routeParams, UrlGeneratorInterface::ABSOLUTE_URL);
+
+		//Set alternates
+		$session['alternates'] = [];
+
+		//Iterate on each locales
+		foreach($this->translator->getFallbackLocales() as $fallback) {
+			//Set titles
+			$titles = [];
+
+			//Set route params location
+			$routeParams['location'] = $this->slugger->slug($this->translator->trans($result['l_title'], [], null, $fallback));
+
+			//With route params dance
+			if (!empty($routeParams['dance'])) {
+			       $routeParams['dance'] = $this->slugger->slug($this->translator->trans($result['ad_name'].' '.lcfirst($result['ad_type']), [], null, $fallback));
+			}
+
+			//With route params user
+			if (!empty($routeParams['user'])) {
+			       $routeParams['user'] = $this->slugger->slug($result['au_pseudonym']);
+			}
+
+			//With current locale
+			if ($fallback === $this->locale) {
+				//Set current locale title
+				$titles[$this->locale] = $this->translator->trans($this->languages[$this->locale]);
+			//Without current locale
+			} else {
+				//Iterate on other locales
+				foreach(array_diff($this->translator->getFallbackLocales(), [$fallback]) as $other) {
+					//Set other locale title
+					$titles[$other] = $this->translator->trans($this->languages[$fallback], [], null, $other);
+				}
+
+				//Add alternates locale
+				$session['alternates'][str_replace('_', '-', $fallback)] = [
+					'absolute' => $this->router->generate($route, ['_locale' => $fallback]+$routeParams, UrlGeneratorInterface::ABSOLUTE_URL),
+					'relative' => $this->router->generate($route, ['_locale' => $fallback]+$routeParams),
+					'title' => implode('/', $titles),
+					'translated' => $this->translator->trans($this->languages[$fallback], [], null, $fallback)
+				];
+			}
+
+			//Add alternates shorter locale
+			if (empty($parameters['alternates'][$shortFallback = substr($fallback, 0, 2)])) {
+				//Set locale locales context
+				$session['alternates'][$shortFallback] = [
+					'absolute' => $this->router->generate($route, ['_locale' => $fallback]+$routeParams, UrlGeneratorInterface::ABSOLUTE_URL),
+					'relative' => $this->router->generate($route, ['_locale' => $fallback]+$routeParams),
+					'title' => implode('/', $titles),
+					'translated' => $this->translator->trans($this->languages[$fallback], [], null, $fallback)
+				];
+			}
+		}
+
+		//Return session
+		return $session;
+	}
+
+	/**
+	 * Find sessions as calendar array by date period
+	 *
+	 * @param DatePeriod $period The date period
+	 * @param ?bool $granted The session is granted
+	 * @param ?float $latitude The latitude
+	 * @param ?float $longitude The longitude
+	 * @param ?int $userId The user id
+	 * @return array The session data
+	 */
+	public function findAllByPeriodAsCalendarArray(\DatePeriod $period, ?bool $granted = null, ?float $latitude = null, ?float $longitude = null, ?int $userId = null): array {
+		//Init granted sql
+		$grantSql = '';
+
+		//When granted is set
+		if (empty($granted)) {
+			//Set application and user as optional
+			$grantSql = 'LEFT ';
+		}
+
+		//Init location sql
+		$locationSql = '';
+
+		//When latitude and longitude
+		if ($latitude !== null && $longitude !== null) {
+			//Set the request
+			//XXX: get every location between 0 and 15 km of latitude and longitude
+			$req = <<<SQL
+SELECT l.id
+FROM Rapsys\AirBundle\Entity\Location AS l
+WHERE ACOS(SIN(RADIANS(:latitude))*SIN(RADIANS(l.latitude))+COS(RADIANS(:latitude))*COS(RADIANS(l.latitude))*COS(RADIANS(:longitude - l.longitude)))*40030.17/2/PI() BETWEEN 0 AND 15
+SQL;
+
+			//Replace bundle entity name by table name
+			$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+			//Get result set mapping instance
+			//XXX: DEBUG: see ../blog.orig/src/Rapsys/BlogBundle/Repository/ArticleRepository.php
+			$rsm = new ResultSetMapping();
+
+			//Declare all fields
+			//XXX: see vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/Types.php
+			//addScalarResult($sqlColName, $resColName, $type = 'string');
+			$rsm->addScalarResult('id', 'id', 'integer')
+			       ->addIndexByScalar('id');
+
+			//Set location ids
+			//XXX: check that latitude and longitude have not be swapped !!!
+			//XXX: latitude ~= 48.x longitude ~= 2.x
+			$locationIds = array_keys(
+				$this->_em
+					->createNativeQuery($req, $rsm)
+					->setParameter('latitude', $latitude)
+					->setParameter('longitude', $longitude)
+					->getArrayResult()
+			);
+
+			//Add location id clause
+			$locationSql = "\n\t".'AND s.location_id IN (:lids)';
+		//When user id
+		} elseif ($userId !== null) {
+			//Set the request
+			//XXX: get every location between 0 and 15 km
+			$req = <<<SQL
+SELECT l2.id
+FROM (
+	SELECT l.id, l.latitude, l.longitude
+	FROM Rapsys\AirBundle\Entity\Application AS a
+	JOIN Rapsys\AirBundle\Entity\Session AS s ON (s.id = a.session_id)
+	JOIN Rapsys\AirBundle\Entity\Location AS l ON (l.id = s.location_id)
+	WHERE a.user_id = :id
+	GROUP BY l.id
+	ORDER BY NULL
+	LIMIT 0, :limit
+) AS a
+JOIN Rapsys\AirBundle\Entity\Location AS l2
+WHERE ACOS(SIN(RADIANS(a.latitude))*SIN(RADIANS(l2.latitude))+COS(RADIANS(a.latitude))*COS(RADIANS(l2.latitude))*COS(RADIANS(a.longitude - l2.longitude)))*40030.17/2/PI() BETWEEN 0 AND 15
+GROUP BY l2.id
+ORDER BY NULL
+SQL;
+
+			//Replace bundle entity name by table name
+			$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+			//Get result set mapping instance
+			//XXX: DEBUG: see ../blog.orig/src/Rapsys/BlogBundle/Repository/ArticleRepository.php
+			$rsm = new ResultSetMapping();
+
+			//Declare all fields
+			//XXX: see vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/Types.php
+			//addScalarResult($sqlColName, $resColName, $type = 'string');
+			$rsm->addScalarResult('id', 'id', 'integer')
+			       ->addIndexByScalar('id');
+
+			//Set location ids
+			$locationIds = array_keys(
+				$this->_em
+					->createNativeQuery($req, $rsm)
+					->setParameter('id', $userId)
+					->getArrayResult()
+			);
+
+			//With location ids
+			if (!empty($locationIds)) {
+				//Add location id clause
+				$locationSql = "\n\t".'AND s.location_id IN (:lids)';
+			}
+		}
+
+		//Set the request
+		$req = <<<SQL
+
+SELECT
+	s.id,
+	s.date,
+	s.rainrisk,
+	s.rainfall,
+	s.realfeel,
+	s.temperature,
+	s.locked,
+	ADDDATE(ADDTIME(s.date, s.begin), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) AS start,
+	ADDDATE(ADDTIME(ADDTIME(s.date, s.begin), s.length), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) AS stop,
+	s.location_id AS l_id,
+	l.title AS l_title,
+	l.address AS l_address,
+	l.zipcode AS l_zipcode,
+	l.city AS l_city,
+	l.latitude AS l_latitude,
+	l.longitude AS l_longitude,
+	l.indoor AS l_indoor,
+	s.slot_id AS t_id,
+	t.title AS t_title,
+	s.application_id AS a_id,
+	a.canceled AS a_canceled,
+	a.dance_id AS ad_id,
+	ad.name AS ad_name,
+	ad.type AS ad_type,
+	a.user_id AS au_id,
+	au.pseudonym AS au_pseudonym,
+	p.hat AS p_hat,
+	p.rate AS p_rate,
+	p.short AS p_short,
+	GROUP_CONCAT(sa.user_id ORDER BY sa.user_id SEPARATOR "\\n") AS sau_id,
+	GROUP_CONCAT(sau.pseudonym ORDER BY sa.user_id SEPARATOR "\\n") AS sau_pseudonym,
+	GROUP_CONCAT(sa.dance_id ORDER BY sa.user_id SEPARATOR "\\n") AS sad_id,
+	GROUP_CONCAT(sad.name ORDER BY sa.user_id SEPARATOR "\\n") AS sad_name,
+	GROUP_CONCAT(sad.type ORDER BY sa.user_id SEPARATOR "\\n") AS sad_type,
+	GREATEST(COALESCE(s.updated, 0), COALESCE(l.updated, 0), COALESCE(p.updated, 0), COALESCE(MAX(sa.updated), 0), COALESCE(MAX(sau.updated), 0), COALESCE(MAX(sad.updated), 0)) AS modified
+FROM Rapsys\AirBundle\Entity\Session AS s
+JOIN Rapsys\AirBundle\Entity\Location AS l ON (l.id = s.location_id)
+JOIN Rapsys\AirBundle\Entity\Slot AS t ON (t.id = s.slot_id)
+{$grantSql}JOIN Rapsys\AirBundle\Entity\Application AS a ON (a.id = s.application_id)
+{$grantSql}JOIN Rapsys\AirBundle\Entity\Dance AS ad ON (ad.id = a.dance_id)
+{$grantSql}JOIN Rapsys\AirBundle\Entity\User AS au ON (au.id = a.user_id)
+LEFT JOIN Rapsys\AirBundle\Entity\Snippet AS p ON (p.location_id = s.location_id AND p.user_id = a.user_id AND p.locale = :locale)
+LEFT JOIN Rapsys\AirBundle\Entity\Application AS sa ON (sa.session_id = s.id)
+LEFT JOIN Rapsys\AirBundle\Entity\Dance AS sad ON (sad.id = sa.dance_id)
+LEFT JOIN Rapsys\AirBundle\Entity\User AS sau ON (sau.id = sa.user_id)
+WHERE s.date BETWEEN :begin AND :end{$locationSql}
+GROUP BY s.id
+ORDER BY NULL
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+		//Get result set mapping instance
+		//XXX: DEBUG: see ../blog.orig/src/Rapsys/BlogBundle/Repository/ArticleRepository.php
+		$rsm = new ResultSetMapping();
+
+		//Declare all fields
+		//XXX: see vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/Types.php
+		//addScalarResult($sqlColName, $resColName, $type = 'string');
+		$rsm->addScalarResult('id', 'id', 'integer')
+			->addScalarResult('date', 'date', 'date')
+			->addScalarResult('rainrisk', 'rainrisk', 'float')
+			->addScalarResult('rainfall', 'rainfall', 'float')
+			->addScalarResult('realfeel', 'realfeel', 'float')
+			->addScalarResult('temperature', 'temperature', 'float')
+			->addScalarResult('locked', 'locked', 'datetime')
+			->addScalarResult('start', 'start', 'datetime')
+			->addScalarResult('stop', 'stop', 'datetime')
+			->addScalarResult('modified', 'modified', 'datetime')
+			->addScalarResult('t_id', 't_id', 'integer')
+			->addScalarResult('t_title', 't_title', 'string')
+			->addScalarResult('l_id', 'l_id', 'integer')
+			->addScalarResult('l_title', 'l_title', 'string')
+			->addScalarResult('l_address', 'l_address', 'string')
+			->addScalarResult('l_zipcode', 'l_zipcode', 'string')
+			->addScalarResult('l_city', 'l_city', 'string')
+			->addScalarResult('l_latitude', 'l_latitude', 'float')
+			->addScalarResult('l_longitude', 'l_longitude', 'float')
+			->addScalarResult('l_indoor', 'l_indoor', 'boolean')
+			->addScalarResult('a_id', 'a_id', 'integer')
+			->addScalarResult('a_canceled', 'a_canceled', 'datetime')
+			->addScalarResult('ad_id', 'ad_id', 'string')
+			->addScalarResult('ad_name', 'ad_name', 'string')
+			->addScalarResult('ad_type', 'ad_type', 'string')
+			->addScalarResult('au_id', 'au_id', 'integer')
+			->addScalarResult('au_pseudonym', 'au_pseudonym', 'string')
+			->addScalarResult('p_hat', 'p_hat', 'boolean')
+			->addScalarResult('p_rate', 'p_rate', 'integer')
+			->addScalarResult('p_short', 'p_short', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sau_id', 'sau_id', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sau_pseudonym', 'sau_pseudonym', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sad_id', 'sad_id', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sad_name', 'sad_name', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('sad_type', 'sad_type', 'string')
+			->addIndexByScalar('id');
+
+		//Fetch result
+		$res = $this->_em
+			->createNativeQuery($req, $rsm)
+			->setParameter('begin', $period->getStartDate())
+			->setParameter('end', $period->getEndDate());
+
+		//Add optional location ids
+		if (!empty($locationIds)) {
+			$res->setParameter('lids', $locationIds);
+		}
+
+		//Get result
+		$result = $res->getResult();
+
+		//Init calendar
+		$calendar = [];
+
+		//Init month
+		$month = null;
+
+		//Set route
+		$route = 'rapsys_air_session_view';
+
+		//Iterate on each day
+		foreach($period as $date) {
+			//Init day in calendar
+			$calendar[$Ymd = $date->format('Ymd')] = [
+				'title' => $this->translator->trans($date->format('l')).' '.$date->format('d'),
+				'modified' => null,
+				'class' => [],
+				'sessions' => []
+			];
+
+			//Detect month change
+			if ($month != $date->format('m')) {
+				$month = $date->format('m');
+				//Append month for first day of month
+				//XXX: except if today to avoid double add
+				if ($date->format('U') != strtotime('today')) {
+					$calendar[$Ymd]['title'] .= '/'.$month;
+				}
+			}
+			//Deal with today
+			if ($date->format('U') == ($today = strtotime('today'))) {
+				$calendar[$Ymd]['title'] .= '/'.$month;
+				$calendar[$Ymd]['current'] = true;
+				$calendar[$Ymd]['class'][] = 'current';
+			}
+			//Disable passed days
+			if ($date->format('U') < $today) {
+				$calendar[$Ymd]['disabled'] = true;
+				$calendar[$Ymd]['class'][] = 'disabled';
+			}
+			//Set next month days
+			if ($date->format('m') > date('m')) {
+				$calendar[$Ymd]['next'] = true;
+				#$calendar[$Ymd]['class'][] = 'next';
+			}
+
+			//Detect sunday
+			if ($date->format('w') == 0) {
+				$calendar[$Ymd]['class'][] = 'sunday';
+			}
+
+			//Iterate on each session to find the one of the day
+			foreach($result as $session) {
+				if (($sessionYmd = $session['date']->format('Ymd')) == $Ymd) {
+					//With empty or greatest modified
+					if ($calendar[$Ymd]['modified'] === null || $session['modified'] >= $calendar[$Ymd]['modified']) {
+						//Update modified
+						$calendar[$Ymd]['modified'] = $session['modified'];
+					}
+
+					//Set applications
+					$applications = array_combine($candidates = explode("\n", $session['sau_id']), explode("\n", $session['sau_pseudonym']));
+
+					//Compute classes
+					$class = [];
+
+					//With locked
+					if (!empty($session['locked'])) {
+						$class[] = 'locked';
+					//Without locked
+					} else {
+						//With application
+						if (!empty($session['a_id'])) {
+							//With canceled session
+							if (!empty($session['a_canceled'])) {
+								$class[] = 'canceled';
+							//With disputed session
+							} elseif ($userId !== null && $session['au_id'] != $userId && !empty($candidates[$userId])) {
+								$class[] = 'disputed';
+							//Session is granted
+							} else {
+								$class[] = 'granted';
+							}
+
+							//With user id
+							if ($userId !== null && $session['au_id'] == $userId) {
+								$class[] = 'highlight';
+							}
+						} else {
+							$class[] = 'pending';
+						}
+
+						//With latitude and longitude
+						if ($latitude !== null && $longitude !== null && $session['l_latitude'] == $latitude && $session['l_longitude'] == $longitude) {
+							$class[] = 'highlight';
+						}
+					}
+
+					//Set temperature
+					$temperature = [
+						'glyph' => self::GLYPHS['Cleary'],
+						'title' => []
+					];
+
+					//Compute temperature glyph
+					//XXX: temperature may be null
+					if ($session['temperature'] >= 17 && $session['temperature'] < 24) {
+						$temperature['glyph'] = self::GLYPHS['Sunny'];
+					} elseif ($session['temperature'] >= 10 && $session['temperature'] < 17) {
+						$temperature['glyph'] = self::GLYPHS['Cloudy'];
+					} elseif ($session['temperature'] !== null && $session['temperature'] < 10) {
+						$temperature['glyph'] = self::GLYPHS['Winty'];
+					}
+
+					//Check if temperature is available
+					if ($session['temperature'] !== null) {
+						$temperature['title'][] = $session['temperature'].'°C';
+					}
+
+					//Check if realfeel is available
+					if ($session['realfeel'] !== null) {
+						$temperature['title'][] = $session['realfeel'].'°R';
+					}
+
+					//Compute temperature title
+					$temperature['title'] = implode(' ', $temperature['title']);
+
+					//Set rain
+					$rain = [
+						'glyph' => self::GLYPHS['Cleary'],
+						'title' => []
+					];
+
+					//Compute rain glyph
+					//XXX: rainfall and rainrisk may be null
+					if ($session['rainrisk'] > 0.50 || $session['rainfall'] > 2) {
+						$rain['glyph'] = self::GLYPHS['Stormy'];
+					} elseif ($session['rainrisk'] > 0.40 || $session['rainfall'] > 1) {
+						$rain['glyph'] = self::GLYPHS['Rainy'];
+					}
+
+					//Check if rainrisk is available
+					if ($session['rainrisk'] !== null) {
+						$rain['title'][] = ($session['rainrisk']*100).'%';
+					}
+
+					//Check if rainfall is available
+					if ($session['rainfall'] !== null) {
+						$rain['title'][] = $session['rainfall'].'mm';
+					}
+
+					//Compute rain title
+					$rain['title'] = implode(' ', $rain['title']);
+
+					//Set application
+					$application = null;
+
+					//Set rate
+					$rate = null;
+
+					//Set route params
+					$routeParams = ['id' => $session['id'], 'location' => $this->slugger->slug($this->translator->trans($session['l_title']))];
+
+					//With application
+					if (!empty($session['a_id'])) {
+						//Set dance
+						$routeParams['dance'] = $this->slugger->slug($dance = $this->translator->trans($session['ad_name'].' '.lcfirst($session['ad_type'])));
+
+						//Set user
+						$routeParams['user'] =  $this->slugger->slug($session['au_pseudonym']);
+
+						//Set title
+						$title = $this->translator->trans('%dance% %id% by %pseudonym% %location% %city%', ['%dance%' => $dance, '%id%' => $session['id'], '%pseudonym%' => $session['au_pseudonym'], '%location%' => $this->translator->trans('at '.$session['l_title']), '%city%' => $this->translator->trans('in '.$session['l_city'])]);
+
+						//Set pseudonym
+						$application = [
+							'dance' => [
+								'id' => $session['ad_id'],
+								'name' => $this->translator->trans($session['ad_name']),
+								'type' => $this->translator->trans($session['ad_type']),
+								'title' => $dance
+							],
+							'user' => [
+								'id' => $session['au_id'],
+								'title' => $session['au_pseudonym']
+							]
+						];
+
+						//Set rate
+						$rate = [
+							'glyph' => self::GLYPHS['Free'],
+							'rate' => null,
+							'short' => $session['p_short'],
+							'title' => $this->translator->trans('Free')
+						];
+
+						//With hat
+						if (!empty($session['p_hat'])) {
+							//Set glyph
+							$rate['glyph'] = self::GLYPHS['Hat'];
+
+							//With rate
+							if (!empty($session['p_rate'])) {
+								//Set rate
+								$rate['rate'] = $session['p_rate'];
+
+								//Set title
+								$rate['title'] = $this->translator->trans('%rate%€ to the hat', ['%rate%' => $session['p_rate']]);
+							//Without rate
+							} else {
+								//Set title
+								$rate['title'] = $this->translator->trans('To the hat');
+							}
+						//With rate
+						} elseif (!empty($session['p_rate'])) {
+							//Set glyph
+							$rate['glyph'] = self::GLYPHS['Euro'];
+
+							//Set rate
+							$rate['rate'] = $session['p_rate'];
+
+							//Set title
+							$rate['title'] = $session['p_rate'].' €';
+						}
+					//With unique application
+					} elseif (count($applications) == 1) {
+						//Set dance
+						$dance = $this->translator->trans($session['sad_name'].' '.lcfirst($session['sad_type']));
+
+						//Set title
+						$title = $this->translator->trans('%dance% %id% by %pseudonym% %location% %city%', ['%dance%' => $dance, '%id%' => $session['id'], '%pseudonym%' => $session['sau_pseudonym'], '%location%' => $this->translator->trans('at '.$session['l_title']), '%city%' => $this->translator->trans('in '.$session['l_city'])]);
+
+						//Set pseudonym
+						$application = [
+							'dance' => [
+								'id' => $session['sad_id'],
+								'name' => $this->translator->trans($session['sad_name']),
+								'type' => $this->translator->trans($session['sad_type']),
+								'title' => $dance
+							],
+							'user' => [
+								'id' => $session['sau_id'],
+								'title' => $session['sau_pseudonym']
+							]
+						];
+
+						//TODO: glyph stuff ???
+					//Without application
+					} else {
+						//Set title
+						$title = $this->translator->trans('%slot% %id% %location%', ['%slot%' => $this->translator->trans($session['t_title']), '%id%' => $session['id'], '%location%' => $this->translator->trans('at '.$session['l_title'])]);
+					}
+
+					//Add the session
+					$calendar[$Ymd]['sessions'][$session['t_id'].sprintf('%05d', $session['id'])] = [
+						'id' => $session['id'],
+						'start' => $session['start'],
+						'stop' => $session['stop'],
+						'class' => $class,
+						'temperature' => $temperature,
+						'rain' => $rain,
+						'title' => $title,
+						'link' => $this->router->generate($route, $routeParams),
+						'location' => [
+							'id' => $session['l_id'],
+							'title' => $this->translator->trans($session['l_title']),
+							'address' => $session['l_address'],
+							'latitude' => $session['l_latitude'],
+							'longitude' => $session['l_longitude'],
+							'indoor' => $session['l_indoor'],
+							'at' => $at = $this->translator->trans('at '.$session['l_title']),
+							'in' => $in = $this->translator->trans('in '.$session['l_city']),
+							'atin' => $at.' '.$in,
+							'city' => $session['l_city'],
+							'zipcode' => $session['l_zipcode']
+						],
+						'application' => $application,
+						'slot' => [
+							'glyph' => self::GLYPHS[$session['t_title']],
+							'title' => $this->translator->trans($session['t_title'])
+						],
+						'rate' => $rate,
+						'modified' => $session['modified'],
+						'applications' => $applications
+					];
+				}
+			}
+
+			//Sort sessions
+			ksort($calendar[$Ymd]['sessions']);
+		}
+
+		//Send result
+		return $calendar;
+	}
+
+
+	/**
+	 * Find sessions by user id and synchronized date time
+	 *
+	 * @param int $userId The user id
+	 * @param DateTime $synchronized The synchronized datetime
+	 * @return array The session data
+	 */
+	public function findAllByUserIdSynchronized(int $userId, \DateTime $synchronized): array {
+		//Set the request
+		$req = <<<SQL
+SELECT ud.dance_id
+FROM Rapsys\AirBundle\Entity\UserDance AS ud
+WHERE ud.user_id = :uid
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+		//Get result set mapping instance
+		$rsm = new ResultSetMapping();
+
+		//Declare dance id field
+		$rsm->addScalarResult('dance_id', 'dance_id', 'integer');
+
+		//Set dance sql part
+		$danceSql = '';
+
+		//With user dance
+		if (
+			$userDances = $this->_em
+				->createNativeQuery($req, $rsm)
+				->setParameter('uid', $userId)
+				->getResult(AbstractQuery::HYDRATE_SCALAR_COLUMN)
+		) {
+			//Set dance sql part
+			$danceSql = ' AND a.dance_id IN (:dids)';
+		}
+
+		//Set the request
+		$req = <<<SQL
+SELECT us.user_id
+FROM Rapsys\AirBundle\Entity\UserSubscription AS us
+WHERE us.subscriber_id = :uid
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+		//Get result set mapping instance
+		$rsm = new ResultSetMapping();
+
+		//Declare user id field
+		$rsm->addScalarResult('user_id', 'user_id', 'integer');
+
+		//Set subscription sql part
+		$subscriptionSql = '';
+
+		//With user subscription
+		if (
+			$userSubscriptions = $this->_em
+				->createNativeQuery($req, $rsm)
+				->setParameter('uid', $userId)
+				->getResult(AbstractQuery::HYDRATE_SCALAR_COLUMN)
+		) {
+			//Set subscription sql part
+			$subscriptionSql = ' AND a.user_id IN (:uids)';
+		}
+
+		//Set the request
+		$req = <<<SQL
+SELECT
+	s.id,
+	s.date,
+	s.locked,
+	s.updated,
+	ADDDATE(ADDTIME(s.date, s.begin), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) AS start,
+	ADDDATE(ADDTIME(ADDTIME(s.date, s.begin), s.length), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) AS stop,
+	s.location_id AS l_id,
+	l.address AS l_address,
+	l.zipcode AS l_zipcode,
+	l.city AS l_city,
+	l.title AS l_title,
+	l.description AS l_description,
+	l.latitude AS l_latitude,
+	l.longitude AS l_longitude,
+	s.application_id AS a_id,
+	a.canceled AS a_canceled,
+	ad.name AS ad_name,
+	ad.type AS ad_type,
+	a.user_id AS au_id,
+	au.forename AS au_forename,
+	au.pseudonym AS au_pseudonym,
+	p.id AS p_id,
+	p.description AS p_description,
+	p.class AS p_class,
+	p.short AS p_short,
+	p.hat AS p_hat,
+	p.rate AS p_rate,
+	p.contact AS p_contact,
+	p.donate AS p_donate,
+	p.link AS p_link,
+	p.profile AS p_profile
+FROM Rapsys\AirBundle\Entity\Session AS s
+JOIN Rapsys\AirBundle\Entity\Location AS l ON (l.id = s.location_id)
+JOIN Rapsys\AirBundle\Entity\Application AS a ON (a.id = s.application_id{$danceSql}{$subscriptionSql})
+JOIN Rapsys\AirBundle\Entity\Dance AS ad ON (ad.id = a.dance_id)
+JOIN Rapsys\AirBundle\Entity\User AS au ON (au.id = a.user_id)
+LEFT JOIN Rapsys\AirBundle\Entity\Snippet AS p ON (p.location_id = s.location_id AND p.user_id = a.user_id AND p.locale = :locale)
+WHERE GREATEST(s.created, s.updated, a.created, a.updated, ADDTIME(ADDTIME(s.date, s.begin), s.length)) >= :synchronized
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+		//Get result set mapping instance
+		$rsm = new ResultSetMapping();
+
+		//Declare all fields
+		//XXX: see vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/Types.php
+		//addScalarResult($sqlColName, $resColName, $type = 'string');
+		$rsm
+			->addScalarResult('id', 'id', 'integer')
+			->addScalarResult('date', 'date', 'date')
+			->addScalarResult('locked', 'locked', 'datetime')
+			->addScalarResult('updated', 'updated', 'datetime')
+			->addScalarResult('start', 'start', 'datetime')
+			->addScalarResult('stop', 'stop', 'datetime')
+			->addScalarResult('l_id', 'l_id', 'integer')
+			->addScalarResult('l_address', 'l_address', 'string')
+			->addScalarResult('l_zipcode', 'l_zipcode', 'string')
+			->addScalarResult('l_city', 'l_city', 'string')
+			->addScalarResult('l_latitude', 'l_latitude', 'float')
+			->addScalarResult('l_longitude', 'l_longitude', 'float')
+			->addScalarResult('l_title', 'l_title', 'string')
+			->addScalarResult('l_description', 'l_description', 'string')
+			->addScalarResult('t_id', 't_id', 'integer')
+			->addScalarResult('t_title', 't_title', 'string')
+			->addScalarResult('a_id', 'a_id', 'integer')
+			->addScalarResult('a_canceled', 'a_canceled', 'datetime')
+			->addScalarResult('ad_name', 'ad_name', 'string')
+			->addScalarResult('ad_type', 'ad_type', 'string')
+			->addScalarResult('au_id', 'au_id', 'integer')
+			->addScalarResult('au_forename', 'au_forename', 'string')
+			->addScalarResult('au_pseudonym', 'au_pseudonym', 'string')
+			->addScalarResult('p_id', 'p_id', 'integer')
+			->addScalarResult('p_description', 'p_description', 'string')
+			->addScalarResult('p_class', 'p_class', 'string')
+			->addScalarResult('p_short', 'p_short', 'string')
+			->addScalarResult('p_hat', 'p_hat', 'integer')
+			->addScalarResult('p_rate', 'p_rate', 'integer')
+			->addScalarResult('p_contact', 'p_contact', 'string')
+			->addScalarResult('p_donate', 'p_donate', 'string')
+			->addScalarResult('p_link', 'p_link', 'string')
+			->addScalarResult('p_profile', 'p_profile', 'string')
+			->addIndexByScalar('id');
+
+		//Return sessions
+		//TODO: XXX: finish here
+		return $this->_em
+			->createNativeQuery($req, $rsm)
+			->setParameter('dids', $userDances)
+			->setParameter('uids', $userSubscriptions)
+			->setParameter('synchronized', $synchronized)
+			->getArrayResult();
+	}
+
 	/**
 	 * Find session by location, slot and date
 	 *
-	 * @param $location The location
-	 * @param $slot The slot
-	 * @param $date The datetime
+	 * @param Location $location The location
+	 * @param Slot $slot The slot
+	 * @param DateTime $date The datetime
+	 * @return ?Session The found session
 	 */
-	public function findOneByLocationSlotDate($location, $slot, $date) {
-		//Fetch session
-		$ret = $this->getEntityManager()
-			->createQuery('SELECT s FROM RapsysAirBundle:Session s WHERE (s.location = :location AND s.slot = :slot AND s.date = :date)')
+	public function findOneByLocationSlotDate(Location $location, Slot $slot, \DateTime $date): ?Session {
+		//Return sessions
+		return $this->getEntityManager()
+			->createQuery('SELECT s FROM Rapsys\AirBundle\Entity\Session s WHERE (s.location = :location AND s.slot = :slot AND s.date = :date)')
 			->setParameter('location', $location)
 			->setParameter('slot', $slot)
 			->setParameter('date', $date)
 			->getSingleResult();
+	}
+
+	/**
+	 * Fetch sessions by date period
+	 *
+	 * @XXX: used in calendar command
+	 *
+	 * @param DatePeriod $period The date period
+	 * @return array The session array
+	 */
+	public function fetchAllByDatePeriod(\DatePeriod $period): array {
+		//Set the request
+		//TODO: exclude opera and others ?
+		$req = <<<SQL
+SELECT
+	s.id,
+	s.date,
+	s.locked,
+	s.updated,
+	ADDDATE(ADDTIME(s.date, s.begin), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) AS start,
+	ADDDATE(ADDTIME(ADDTIME(s.date, s.begin), s.length), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) AS stop,
+	s.location_id AS l_id,
+	l.address AS l_address,
+	l.zipcode AS l_zipcode,
+	l.city AS l_city,
+	l.title AS l_title,
+	l.description AS l_description,
+	l.latitude AS l_latitude,
+	l.longitude AS l_longitude,
+	s.application_id AS a_id,
+	a.canceled AS a_canceled,
+	ad.name AS ad_name,
+	ad.type AS ad_type,
+	a.user_id AS au_id,
+	au.forename AS au_forename,
+	au.pseudonym AS au_pseudonym,
+	p.id AS p_id,
+	p.description AS p_description,
+	p.class AS p_class,
+	p.short AS p_short,
+	p.hat AS p_hat,
+	p.rate AS p_rate,
+	p.contact AS p_contact,
+	p.donate AS p_donate,
+	p.link AS p_link,
+	p.profile AS p_profile
+FROM Rapsys\AirBundle\Entity\Session AS s
+JOIN Rapsys\AirBundle\Entity\Location AS l ON (l.id = s.location_id)
+JOIN Rapsys\AirBundle\Entity\Application AS a ON (a.id = s.application_id)
+JOIN Rapsys\AirBundle\Entity\Dance AS ad ON (ad.id = a.dance_id)
+JOIN Rapsys\AirBundle\Entity\User AS au ON (au.id = a.user_id)
+LEFT JOIN Rapsys\AirBundle\Entity\Snippet AS p ON (p.location_id = s.location_id AND p.user_id = a.user_id AND p.locale = :locale)
+WHERE s.date BETWEEN :begin AND :end
+ORDER BY NULL
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+		//Get result set mapping instance
+		//XXX: DEBUG: see ../blog.orig/src/Rapsys/BlogBundle/Repository/ArticleRepository.php
+		$rsm = new ResultSetMapping();
+
+		//Declare all fields
+		//XXX: see vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/Types.php
+		//addScalarResult($sqlColName, $resColName, $type = 'string');
+		$rsm->addScalarResult('id', 'id', 'integer')
+			->addScalarResult('date', 'date', 'date')
+			->addScalarResult('locked', 'locked', 'datetime')
+			->addScalarResult('updated', 'updated', 'datetime')
+			->addScalarResult('start', 'start', 'datetime')
+			->addScalarResult('stop', 'stop', 'datetime')
+			->addScalarResult('l_id', 'l_id', 'integer')
+			->addScalarResult('l_address', 'l_address', 'string')
+			->addScalarResult('l_zipcode', 'l_zipcode', 'string')
+			->addScalarResult('l_city', 'l_city', 'string')
+			->addScalarResult('l_latitude', 'l_latitude', 'float')
+			->addScalarResult('l_longitude', 'l_longitude', 'float')
+			->addScalarResult('l_title', 'l_title', 'string')
+			->addScalarResult('l_description', 'l_description', 'string')
+			->addScalarResult('t_id', 't_id', 'integer')
+			->addScalarResult('t_title', 't_title', 'string')
+			->addScalarResult('a_id', 'a_id', 'integer')
+			->addScalarResult('a_canceled', 'a_canceled', 'datetime')
+			->addScalarResult('ad_name', 'ad_name', 'string')
+			->addScalarResult('ad_type', 'ad_type', 'string')
+			->addScalarResult('au_id', 'au_id', 'integer')
+			->addScalarResult('au_forename', 'au_forename', 'string')
+			->addScalarResult('au_pseudonym', 'au_pseudonym', 'string')
+			->addScalarResult('p_id', 'p_id', 'integer')
+			->addScalarResult('p_description', 'p_description', 'string')
+			->addScalarResult('p_class', 'p_class', 'string')
+			->addScalarResult('p_short', 'p_short', 'string')
+			->addScalarResult('p_hat', 'p_hat', 'integer')
+			->addScalarResult('p_rate', 'p_rate', 'integer')
+			->addScalarResult('p_contact', 'p_contact', 'string')
+			->addScalarResult('p_donate', 'p_donate', 'string')
+			->addScalarResult('p_link', 'p_link', 'string')
+			->addScalarResult('p_profile', 'p_profile', 'string')
+			->addIndexByScalar('id');
+
+		//Fetch result
+		$res = $this->_em
+			->createNativeQuery($req, $rsm)
+			->setParameter('begin', $period->getStartDate())
+			->setParameter('end', $period->getEndDate());
+
+		//Return result
+		return $res->getResult();
+	}
+
+	/**
+	 * Find all session pending hourly weather
+	 *
+	 * @return array The sessions to update
+	 */
+	public function findAllPendingHourlyWeather(): array {
+		//Select all sessions starting and stopping in the next 3 days
+		//XXX: select session starting after now and stopping before date(now)+3d as accuweather only provide hourly data for the next 3 days (INTERVAL 3 DAY)
+		$req = <<<SQL
+SELECT s.id, s.slot_id, s.location_id, s.date, s.begin, s.length, s.rainfall, s.rainrisk, s.realfeel, s.realfeelmin, s.realfeelmax, s.temperature, s.temperaturemin, s.temperaturemax, l.zipcode
+FROM Rapsys\AirBundle\Entity\Session AS s
+JOIN Rapsys\AirBundle\Entity\Location AS l ON (l.id = s.location_id)
+WHERE ADDDATE(ADDTIME(s.date, s.begin), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) >= NOW() AND ADDDATE(ADDTIME(ADDTIME(s.date, s.begin), s.length), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) < DATE(ADDDATE(NOW(), INTERVAL :accuhourly DAY))
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+		//Get result set mapping instance
+		$rsm = new ResultSetMapping();
+
+		//Declare all fields
+		$rsm
+			->addEntityResult('Rapsys\AirBundle\Entity\Session', 's')
+			->addFieldResult('s', 'id', 'id')
+			->addFieldResult('s', 'date', 'date')
+			->addFieldResult('s', 'begin', 'begin')
+			->addFieldResult('s', 'length', 'length')
+			->addFieldResult('s', 'rainfall', 'rainfall')
+			->addFieldResult('s', 'rainrisk', 'rainrisk')
+			->addFieldResult('s', 'realfeel', 'realfeel')
+			->addFieldResult('s', 'realfeelmin', 'realfeelmin')
+			->addFieldResult('s', 'realfeelmax', 'realfeelmax')
+			->addFieldResult('s', 'temperature', 'temperature')
+			->addFieldResult('s', 'temperaturemin', 'temperaturemin')
+			->addFieldResult('s', 'temperaturemax', 'temperaturemax')
+			->addJoinedEntityResult('Rapsys\AirBundle\Entity\Slot', 'o', 's', 'slot')
+			->addFieldResult('o', 'slot_id', 'id')
+			->addJoinedEntityResult('Rapsys\AirBundle\Entity\Location', 'l', 's', 'location')
+			->addFieldResult('l', 'location_id', 'id')
+			->addFieldResult('l', 'zipcode', 'zipcode')
+			->addIndexBy('s', 'id');
 
 		//Send result
-		return $ret;
+		return $this->_em
+			->createNativeQuery($req, $rsm)
+			->getResult();
 	}
 
 	/**
-	 * Find sessions by date period
+	 * Find all session pending daily weather
 	 *
-	 * @param $period The date period
+	 * @return array The sessions to update
 	 */
-	public function findAllByDatePeriod($period) {
-		//Fetch sessions
-		$ret = $this->getEntityManager()
-			->createQuery('SELECT s FROM RapsysAirBundle:Session s WHERE s.date BETWEEN :begin AND :end')
-			->setParameter('begin', $period->getStartDate())
-			->setParameter('end', $period->getEndDate())
+	public function findAllPendingDailyWeather(): array {
+		//Select all sessions stopping after next 3 days
+		//XXX: select session stopping after or equal date(now)+3d as accuweather only provide hourly data for the next 3 days (INTERVAL 3 DAY)
+		$req = <<<SQL
+SELECT s.id, s.slot_id, s.location_id, s.date, s.begin, s.length, s.rainfall, s.rainrisk, s.realfeel, s.realfeelmin, s.realfeelmax, s.temperature, s.temperaturemin, s.temperaturemax, l.zipcode
+FROM Rapsys\AirBundle\Entity\Session AS s
+JOIN Rapsys\AirBundle\Entity\Location AS l ON (l.id = s.location_id)
+WHERE ADDDATE(ADDTIME(ADDTIME(s.date, s.begin), s.length), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) >= DATE(ADDDATE(NOW(), INTERVAL :accuhourly DAY)) AND ADDDATE(ADDTIME(ADDTIME(s.date, s.begin), s.length), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) < DATE(ADDDATE(NOW(), INTERVAL :accudaily DAY))
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+		//Get result set mapping instance
+		$rsm = new ResultSetMapping();
+
+		//Declare all fields
+		$rsm
+			->addEntityResult('Rapsys\AirBundle\Entity\Session', 's')
+			->addFieldResult('s', 'id', 'id')
+			->addFieldResult('s', 'date', 'date')
+			->addFieldResult('s', 'begin', 'begin')
+			->addFieldResult('s', 'length', 'length')
+			->addFieldResult('s', 'rainfall', 'rainfall')
+			->addFieldResult('s', 'rainrisk', 'rainrisk')
+			->addFieldResult('s', 'realfeel', 'realfeel')
+			->addFieldResult('s', 'realfeelmin', 'realfeelmin')
+			->addFieldResult('s', 'realfeelmax', 'realfeelmax')
+			->addFieldResult('s', 'temperature', 'temperature')
+			->addFieldResult('s', 'temperaturemin', 'temperaturemin')
+			->addFieldResult('s', 'temperaturemax', 'temperaturemax')
+			->addJoinedEntityResult('Rapsys\AirBundle\Entity\Slot', 'o', 's', 'slot')
+			->addFieldResult('o', 'slot_id', 'id')
+			->addJoinedEntityResult('Rapsys\AirBundle\Entity\Location', 'l', 's', 'location')
+			->addFieldResult('l', 'location_id', 'id')
+			->addFieldResult('l', 'zipcode', 'zipcode')
+			->addIndexBy('s', 'id');
+
+		//Send result
+		return $this->_em
+			->createNativeQuery($req, $rsm)
 			->getResult();
+	}
+
+	/**
+	 * Find every session pending application
+	 *
+	 * @return array The sessions to update
+	 */
+	public function findAllPendingApplication(): array {
+		//Select all sessions not locked without application or canceled application within attribution period
+		//XXX: DIFF(start, now) <= IF(DIFF(start, created) <= SENIOR_DELAY in DAY, DIFF(start, created) * 3 / 4, SENIOR_DELAY)
+		//TODO: remonter les données pour le mail ?
+		$req =<<<SQL
+SELECT s.id
+FROM Rapsys\AirBundle\Entity\Session as s
+LEFT JOIN Rapsys\AirBundle\Entity\Application AS a ON (a.id = s.application_id AND a.canceled IS NULL)
+JOIN Rapsys\AirBundle\Entity\Application AS a2 ON (a2.session_id = s.id AND a2.canceled IS NULL)
+WHERE s.locked IS NULL AND s.application_id IS NULL AND
+(UNIX_TIMESTAMP(@dt_start := ADDDATE(ADDTIME(s.date, s.begin), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY)) - UNIX_TIMESTAMP()) <= IF(
+	(@td_sc := UNIX_TIMESTAMP(@dt_start) - UNIX_TIMESTAMP(s.created)) <= :seniordelay,
+	ROUND(@td_sc * :regulardelay / :seniordelay),
+	:seniordelay
+)
+GROUP BY s.id
+ORDER BY @dt_start ASC, s.created ASC
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+		//Get result set mapping instance
+		$rsm = new ResultSetMapping();
+
+		//Declare all fields
+		$rsm
+			->addEntityResult('Rapsys\AirBundle\Entity\Session', 's')
+			->addFieldResult('s', 'id', 'id')
+			->addIndexBy('s', 'id');
 
 		//Send result
-		return $ret;
+		return $this->_em
+			->createNativeQuery($req, $rsm)
+			->getResult();
 	}
 
 	/**
-	 * Find sessions by location and date period
+	 * Fetch session best application by session id
 	 *
-	 * @param $location The location
-	 * @param $period The date period
+	 * @param int $id The session id
+	 * @return ?Application The application or null
 	 */
-	public function findAllByLocationDatePeriod($location, $period) {
-		//Fetch sessions
-		$ret = $this->getEntityManager()
-			->createQuery('SELECT s FROM RapsysAirBundle:Session s WHERE (s.location = :location AND s.date BETWEEN :begin AND :end)')
-			->setParameter('location', $location)
-			->setParameter('begin', $period->getStartDate())
-			->setParameter('end', $period->getEndDate())
+	public function findBestApplicationById(int $id): ?Application {
+		/**
+		 * Query session applications ranked by location score, global score, created and user_id
+		 *
+		 * @xxx guest (or less) with application on location within 30 day are only considered within guestdelay
+		 *
+		 * @xxx regular (or less) premium application on hotspot are only considered within regulardelay
+		 *
+		 * @xxx senior (or less) with 5 or less session on location are only considered within seniordelay
+		 *
+		 * @xxx senior (or less) with l_pn_ratio >= 1 are only considered within seniordelay
+		 *
+		 * @xxx senior (or less) with l_tr_ratio >= (o_tr_ratio + 5) are only considered within seniordelay
+		 *
+		 * @xxx only consider session within one year (may be unaccurate by the day with after session)
+		 *
+		 * @xxx rainfall may not be accessible for previous session and other session at d-4 (only at d-2)
+		 *
+		 * @todo ??? feedback the data to inform the rejected users ???
+		 */
+		$req = <<<SQL
+SELECT e.id, e.l_score AS score
+FROM (
+	SELECT
+		d.id,
+		d.user_id,
+		d.l_count,
+		d.l_score,
+		d.l_tr_ratio,
+		d.l_pn_ratio,
+		d.l_previous,
+		d.g_score,
+		d.o_tr_ratio,
+		MAX(ug.group_id) AS group_id,
+		d.remaining,
+		d.premium,
+		d.hotspot,
+		d.created
+	FROM (
+		SELECT
+			c.id,
+			c.user_id,
+			c.l_count,
+			c.l_score,
+			c.l_tr_ratio,
+			c.l_pn_ratio,
+			c.l_previous,
+			c.g_score,
+			AVG(IF(a4.id IS NOT NULL AND s4.temperature IS NOT NULL AND s4.rainfall IS NOT NULL, s4.temperature/(1+s4.rainfall), NULL)) AS o_tr_ratio,
+			c.remaining,
+			c.premium,
+			c.hotspot,
+			c.created
+		FROM (
+			SELECT
+				b.id,
+				b.user_id,
+				b.session_id,
+				b.date,
+				b.location_id,
+				b.l_count,
+				b.l_score,
+				b.l_tr_ratio,
+				b.l_pn_ratio,
+				b.l_previous,
+				SUM(IF(a3.id IS NOT NULL, 1/ABS(DATEDIFF(ADDDATE(b.date, INTERVAL IF(b.slot_id = :afterid, 1, 0) DAY), ADDDATE(s3.date, INTERVAL IF(s3.slot_id = :afterid, 1, 0) DAY))), 0)) AS g_score,
+				b.remaining,
+				b.premium,
+				b.hotspot,
+				b.created
+			FROM (
+				SELECT
+					a.id,
+					a.user_id,
+					s.id AS session_id,
+					s.date AS date,
+					s.slot_id,
+					s.location_id,
+					COUNT(a2.id) AS l_count,
+					SUM(IF(a2.id IS NOT NULL, 1/ABS(DATEDIFF(ADDDATE(s.date, INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY), ADDDATE(s2.date, INTERVAL IF(s2.slot_id = :afterid, 1, 0) DAY))), 0)) AS l_score,
+					AVG(IF(a2.id IS NOT NULL AND s2.temperature IS NOT NULL AND s2.rainfall IS NOT NULL, s2.temperature/(1+s2.rainfall), NULL)) AS l_tr_ratio,
+					(SUM(IF(a2.id IS NOT NULL AND s2.premium = 1, 1, 0))+1)/(SUM(IF(a2.id IS NOT NULL AND s2.premium = 0, 1, 0))+1) AS l_pn_ratio,
+					MIN(IF(a2.id IS NOT NULL, DATEDIFF(ADDDATE(s.date, INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY), ADDDATE(s2.date, INTERVAL IF(s2.slot_id = :afterid, 1, 0) DAY)), NULL)) AS l_previous,
+					UNIX_TIMESTAMP(ADDDATE(ADDTIME(s.date, s.begin), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY)) - UNIX_TIMESTAMP() AS remaining,
+					s.premium,
+					l.hotspot,
+					a.created
+				FROM Rapsys\AirBundle\Entity\Session AS s
+				JOIN Rapsys\AirBundle\Entity\Location AS l ON (l.id = s.location_id)
+				JOIN Rapsys\AirBundle\Entity\Application AS a ON (a.session_id = s.id AND a.canceled IS NULL)
+				LEFT JOIN Rapsys\AirBundle\Entity\Session AS s2 ON (s2.id != s.id AND s2.location_id = s.location_id AND s2.slot_id IN (:afternoonid, :eveningid) AND s2.application_id IS NOT NULL AND s2.locked IS NULL AND s2.date > s.date - INTERVAL 1 YEAR)
+				LEFT JOIN Rapsys\AirBundle\Entity\Application AS a2 ON (a2.id = s2.application_id AND a2.user_id = a.user_id AND (a2.canceled IS NULL OR TIMESTAMPDIFF(DAY, a2.canceled, ADDDATE(ADDTIME(s2.date, s2.begin), INTERVAL IF(s2.slot_id = :afterid, 1, 0) DAY)) < 1))
+				WHERE s.id = :sid
+				GROUP BY a.id
+				ORDER BY NULL
+				LIMIT 0, :limit
+			) AS b
+			LEFT JOIN Rapsys\AirBundle\Entity\Session AS s3 ON (s3.id != b.session_id AND s3.application_id IS NOT NULL AND s3.locked IS NULL AND s3.date > b.date - INTERVAL 1 YEAR)
+			LEFT JOIN Rapsys\AirBundle\Entity\Application AS a3 ON (a3.id = s3.application_id AND a3.user_id = b.user_id AND (a3.canceled IS NULL OR TIMESTAMPDIFF(DAY, a3.canceled, ADDDATE(ADDTIME(s3.date, s3.begin), INTERVAL IF(s3.slot_id = :afterid, 1, 0) DAY)) < 1))
+			GROUP BY b.id
+			ORDER BY NULL
+			LIMIT 0, :limit
+		) AS c
+		LEFT JOIN Rapsys\AirBundle\Entity\Session AS s4 ON (s4.id != c.session_id AND s4.location_id = c.location_id AND s4.application_id IS NOT NULL AND s4.locked IS NULL AND s4.date > c.date - INTERVAL 1 YEAR)
+		LEFT JOIN Rapsys\AirBundle\Entity\Application AS a4 ON (a4.id = s4.application_id AND a4.user_id != c.user_id AND (a4.canceled IS NULL OR TIMESTAMPDIFF(DAY, a4.canceled, ADDDATE(ADDTIME(s4.date, s4.begin), INTERVAL IF(s4.slot_id = :afterid, 1, 0) DAY)) < 1))
+		GROUP BY c.id
+		ORDER BY NULL
+		LIMIT 0, :limit
+	) AS d
+	LEFT JOIN Rapsys\AirBundle\Entity\UserGroup AS ug ON (ug.user_id = d.user_id)
+	GROUP BY d.id
+	LIMIT 0, :limit
+) AS e
+WHERE
+	IF(e.group_id <= :guestid AND e.l_previous <= :guestwait, e.remaining <= :guestdelay, 1) AND
+	IF(e.group_id <= :regularid AND e.premium = 1 AND e.hotspot = 1, e.remaining <= :regulardelay, 1) AND
+	IF(e.group_id <= :seniorid AND e.l_count <= :scount, e.remaining <= :regulardelay, 1) AND
+	IF(e.group_id <= :seniorid AND e.l_pn_ratio >= :pnratio, e.remaining <= :regulardelay, 1) AND
+	IF(e.group_id <= :seniorid AND e.l_tr_ratio >= (e.o_tr_ratio + :trdiff), e.remaining <= :regulardelay, 1)
+ORDER BY e.l_score ASC, e.g_score ASC, e.created ASC, e.user_id ASC
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+		//Set update request
+		$upreq = 'UPDATE Rapsys\AirBundle\Entity\Application SET score = :score, updated = NOW() WHERE id = :id';
+
+		//Replace bundle entity name by table name
+		$upreq = str_replace($this->tableKeys, $this->tableValues, $upreq);
+
+		//Get result set mapping instance
+		$rsm = new ResultSetMapping();
+
+		//Declare all fields
+		$rsm
+			->addEntityResult('Rapsys\AirBundle\Entity\Application', 'a')
+			->addFieldResult('a', 'id', 'id')
+			->addFieldResult('a', 'score', 'score')
+			->addIndexBy('a', 'id');
+
+		//Get result
+		//XXX: setting limit in subqueries is required to prevent mariadb optimisation
+		$applications = $this->_em
+			->createNativeQuery($req, $rsm)
+			->setParameter('sid', $id)
 			->getResult();
 
-		//Send result
+		//Init ret
+		$ret = null;
+
+		//Update score
+		foreach($applications as $application) {
+			//Check if we already saved best candidate
+			if ($ret === null) {
+				//Return first application
+				$ret = $application;
+			}
+
+			//Update application updated field
+			//XXX: updated field is not modified for user with bad behaviour as application is not retrieved until delay is reached
+			$this->_em->getConnection()->executeUpdate($upreq, ['id' => $application->getId(), 'score' => $application->getScore()], ['id' => Types::INTEGER, 'score' => Types::FLOAT]);
+		}
+
+		//Return best ranked application
 		return $ret;
 	}
+
+	/**
+	 * Rekey sessions and applications by chronological session id
+	 *
+	 * @return bool The rekey success or failure
+	 */
+	function rekey(): bool {
+		//Get connection
+		$cnx = $this->_em->getConnection();
+
+		//Set the request
+		$req = <<<SQL
+SELECT
+	a.id,
+	a.sa_id
+FROM (
+	SELECT
+		s.id,
+		s.date,
+		s.begin,
+		s.slot_id,
+		GROUP_CONCAT(sa.id ORDER BY sa.id SEPARATOR "\\n") AS sa_id
+	FROM Rapsys\AirBundle\Entity\Session AS s
+	LEFT JOIN Rapsys\AirBundle\Entity\Application AS sa ON (sa.session_id = s.id)
+	GROUP BY s.id
+	ORDER BY NULL
+) AS a
+ORDER BY ADDDATE(ADDTIME(a.date, a.begin), INTERVAL IF(a.slot_id = :afterid, 1, 0) DAY) ASC
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace($this->tableKeys, $this->tableValues, $req);
+
+		//Get result set mapping instance
+		//XXX: DEBUG: see ../blog.orig/src/Rapsys/BlogBundle/Repository/ArticleRepository.php
+		$rsm = new ResultSetMapping();
+
+		//Declare all fields
+		//XXX: see vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/Types.php
+		//addScalarResult($sqlColName, $resColName, $type = 'string');
+		$rsm->addScalarResult('id', 'id', 'integer')
+			->addScalarResult('sa_id', 'sa_id', 'string');
+			#->addIndexByScalar('id');
+
+		//Fetch result
+		$rnq = $this->_em->createNativeQuery($req, $rsm);
+
+		//Get result set
+		$res = $rnq->getResult();
+
+		//Start transaction
+		$cnx->beginTransaction();
+
+		//Set update session request
+		$sreq = <<<SQL
+UPDATE Rapsys\AirBundle\Entity\Session
+SET id = :nid, updated = NOW()
+WHERE id = :id
+SQL;
+
+		//Replace bundle entity name by table name
+		$sreq = str_replace($this->tableKeys, $this->tableValues, $sreq);
+
+		//Set update application request
+		$areq = <<<SQL
+UPDATE Rapsys\AirBundle\Entity\Application
+SET session_id = :nid, updated = NOW()
+WHERE session_id = :id
+SQL;
+
+		//Replace bundle entity name by table name
+		$areq = str_replace($this->tableKeys, $this->tableValues, $areq);
+
+		//Set max value
+		$max = max(array_keys($res));
+
+		try {
+			//Prepare session to update
+			foreach($res as $id => $data) {
+				//Set temp id
+				$res[$id]['t_id'] = $max + $id + 1;
+
+				//Set new id
+				$res[$id]['n_id'] = $id + 1;
+
+				//Explode application ids
+				$res[$id]['sa_id'] = explode("\n", $data['sa_id']);
+
+				//Without change
+				if ($res[$id]['n_id'] == $res[$id]['id']) {
+					//Remove unchanged session
+					unset($res[$id]);
+				}
+			}
+
+			//With changes
+			if (!empty($res)) {
+				//Disable foreign key checks
+				$cnx->prepare('SET foreign_key_checks = 0')->execute();
+
+				//Update to temp id
+				foreach($res as $id => $data) {
+					//Run session update
+					$cnx->executeUpdate($sreq, ['nid' => $res[$id]['t_id'], 'id' => $res[$id]['id']]);
+
+					//Run applications update
+					$cnx->executeUpdate($areq, ['nid' => $res[$id]['t_id'], 'id' => $res[$id]['id']]);
+				}
+
+				//Update to new id
+				foreach($res as $id => $data) {
+					//Run session update
+					$cnx->executeUpdate($sreq, ['nid' => $res[$id]['n_id'], 'id' => $res[$id]['t_id']]);
+
+					//Run applications update
+					$cnx->executeUpdate($areq, ['nid' => $res[$id]['n_id'], 'id' => $res[$id]['t_id']]);
+				}
+
+				//Restore foreign key checks
+				$cnx->prepare('SET foreign_key_checks = 1')->execute();
+
+				//Commit transaction
+				$cnx->commit();
+
+				//Set update auto_increment request
+				$ireq = <<<SQL
+ALTER TABLE Rapsys\AirBundle\Entity\Session
+auto_increment = 1
+SQL;
+
+				//Replace bundle entity name by table name
+				$ireq = str_replace($this->tableKeys, $this->tableValues, $ireq);
+
+				//Reset auto_increment
+				$cnx->exec($ireq);
+			//Without changes
+			} else {
+				//Rollback transaction
+				$cnx->rollback();
+			}
+		} catch(\Exception $e) {
+			//Rollback transaction
+			$cnx->rollback();
+
+			//Throw exception
+			throw $e;
+		}
+
+		//Return success
+		return true;
+	}
 }