]> Raphaël G. Git Repositories - airbundle/blobdiff - Repository/SessionRepository.php
Rename rapsysair:calendar2 command to rapsysair:calendar
[airbundle] / Repository / SessionRepository.php
index 9ffaf023e36ba8307942d0364cc92b4bfad051f4..c310b5406458295f720cb0755a2bd66c4e865477 100644 (file)
-<?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(s.created, s.updated, l.created, l.updated, t.created, t.updated, COALESCE(a.created, '1970-01-01'), COALESCE(a.updated, '1970-01-01'), COALESCE(ad.created, '1970-01-01'), COALESCE(ad.updated, '1970-01-01'), COALESCE(au.created, '1970-01-01'), COALESCE(au.updated, '1970-01-01'), COALESCE(p.created, '1970-01-01'), COALESCE(p.updated, '1970-01-01'), MAX(GREATEST(COALESCE(sa.created, '1970-01-01'), COALESCE(sa.updated, '1970-01-01'), COALESCE(sad.created, '1970-01-01'), COALESCE(sad.updated, '1970-01-01'), COALESCE(sau.created, '1970-01-01'), COALESCE(sau.updated, '1970-01-01')))) 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.locale = :locale AND p.location_id = s.location_id AND p.user_id = a.user_id)
+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.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 = 'rapsysair_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('rapsysair_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('rapsysair_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('rapsysair_user_milongaraphael') : $this->router->generate('rapsysair_user_view', ['id' => $result['au_id'], 'user' => $routeParams['user']]),
+                                       'contact' => $this->router->generate('rapsysair_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,
+       GREATEST(s.created, s.updated, l.created, l.updated, t.created, t.updated, COALESCE(a.created, '1970-01-01'), COALESCE(a.updated, '1970-01-01'), COALESCE(ad.created, '1970-01-01'), COALESCE(ad.updated, '1970-01-01'), COALESCE(au.created, '1970-01-01'), COALESCE(au.updated, '1970-01-01'), COALESCE(p.created, '1970-01-01'), COALESCE(p.updated, '1970-01-01'), MAX(GREATEST(COALESCE(sa.created, '1970-01-01'), COALESCE(sa.updated, '1970-01-01'), COALESCE(sad.created, '1970-01-01'), COALESCE(sad.updated, '1970-01-01'), COALESCE(sau.created, '1970-01-01'), COALESCE(sau.updated, '1970-01-01')))) AS modified,
+       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,
+       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)
+{$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.locale = :locale AND p.location_id = s.location_id AND p.user_id = a.user_id)
+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('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')
+                       //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');
+
+               //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
+               $route = 'rapsysair_session_view';
+
+               //Iterate on each day
+               foreach($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 = new \DateTime('1970-01-01')): 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.subscribed_id
+FROM Rapsys\AirBundle\Entity\UserSubscription AS us
+WHERE us.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 user id field
+               $rsm->addScalarResult('subscribed_id', 'subscribed_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
+               $req = <<<SQL
+SELECT
+       s.id,
+       s.date,
+       s.locked,
+       GREATEST(s.created, s.updated, l.created, l.updated, a.created, a.updated, ad.created, ad.updated, au.created, au.updated, COALESCE(p.created, '1970-01-01'), COALESCE(p.updated, '1970-01-01')) AS modified,
+       ADDDATE(ADDTIME(s.date, s.begin), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) AS start,
+       ADDDATE(ADDTIME(ADDTIME(s.date, s.begin), s.length), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY) AS stop,
+       s.location_id AS l_id,
+       l.address AS l_address,
+       l.zipcode AS l_zipcode,
+       l.city AS l_city,
+       l.title AS l_title,
+       l.description AS l_description,
+       l.latitude AS l_latitude,
+       l.longitude AS l_longitude,
+       s.application_id AS a_id,
+       a.canceled AS a_canceled,
+       ad.name AS ad_name,
+       ad.type AS ad_type,
+       a.user_id AS au_id,
+       au.forename AS au_forename,
+       au.pseudonym AS au_pseudonym,
+       p.id AS p_id,
+       p.description AS p_description,
+       p.class AS p_class,
+       p.short AS p_short,
+       p.hat AS p_hat,
+       p.rate AS p_rate,
+       p.contact AS p_contact,
+       p.donate AS p_donate,
+       p.link AS p_link,
+       p.profile AS p_profile
+FROM Rapsys\AirBundle\Entity\Session AS s
+JOIN Rapsys\AirBundle\Entity\Location AS l ON (l.id = s.location_id)
+JOIN Rapsys\AirBundle\Entity\Application AS a ON (a.id = s.application_id{$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.locale = :locale AND p.location_id = s.location_id AND p.user_id = a.user_id)
+WHERE GREATEST(GREATEST(s.created, s.updated, l.created, l.updated, a.created, a.updated, ad.created, ad.updated, au.created, au.updated, COALESCE(p.created, '1970-01-01'), COALESCE(p.updated, '1970-01-01')), ADDDATE(ADDTIME(ADDTIME(s.date, s.begin), s.length), INTERVAL IF(s.slot_id = :afterid, 1, 0) DAY)) >= :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('modified', 'modified', '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)
+                       ->getResult(AbstractQuery::HYDRATE_ARRAY);
+       }
+
        /**
         * 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.locale = :locale AND p.location_id = s.location_id AND p.user_id = a.user_id)
+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 $this->_em
+                       ->createNativeQuery($req, $rsm)
+                       ->getResult();
+       }
+
+       /**
+        * Fetch session best application by session id
+        *
+        * @param int $id The session id
+        * @return ?Application The application or null
+        */
+       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();
+
+               //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;
+       }
 }