X-Git-Url: https://git.rapsys.eu/airbundle/blobdiff_plain/969b12b3caf5ea02feda9a5b0b34f2e21109a76e..d2df1b62a77f4d6a3ceb6483e46bb587f5f24b16:/Repository/LocationRepository.php

diff --git a/Repository/LocationRepository.php b/Repository/LocationRepository.php
index 80e0996..d8acc14 100644
--- a/Repository/LocationRepository.php
+++ b/Repository/LocationRepository.php
@@ -1,37 +1,750 @@
-<?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 Symfony\Component\Translation\TranslatorInterface;
+use Doctrine\ORM\Query\ResultSetMapping;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+use Symfony\Component\Routing\RouterInterface;
 
 /**
  * LocationRepository
+ *
+ * @TODO: use new window function syntax https://mariadb.com/kb/en/window-functions-overview/ MAX(updated) OVER (PARTITION updated) AS modified ???
  */
-class LocationRepository extends \Doctrine\ORM\EntityRepository {
+class LocationRepository extends EntityRepository {
 	/**
-	 * Fetch translated location with session by date period
+	 * Find locations
 	 *
-	 * @param $translator The TranslatorInterface instance
-	 * @param $period The date period
-	 * @param $granted The session is granted
+	 * @return array
 	 */
-	public function fetchTranslatedLocationByDatePeriod(TranslatorInterface $translator, $period, $granted = false) {
-		//Fetch sessions
-		$ret = $this->getEntityManager()
-			->createQuery('SELECT l.id, l.title FROM RapsysAirBundle:Session s JOIN RapsysAirBundle:Location l WHERE '.($granted?'s.application IS NOT NULL AND ':'').'l.id = s.location AND s.date BETWEEN :begin AND :end GROUP BY l.id ORDER BY l.id')
+	public function findAll(): array {
+		//Get all locations index by id
+		return $this->createQueryBuilder('location', 'location.id')->getQuery()->getResult();
+	}
+
+	/**
+	 * Find locations as array
+	 *
+	 * @param DatePeriod $period The period
+	 * @return array The locations array
+	 */
+	public function findAllAsArray(\DatePeriod $period): array {
+		//Set the request
+		//TODO: ajouter pays ???
+		$req = <<<SQL
+SELECT
+	l.id,
+	l.title,
+	l.latitude,
+	l.longitude,
+	l.indoor,
+	l.updated
+FROM RapsysAirBundle:Location AS l
+LEFT JOIN RapsysAirBundle:Session AS s ON (l.id = s.location_id)
+GROUP BY l.id
+ORDER BY COUNT(IF(s.date BETWEEN :begin AND :end, s.id, NULL)) DESC, COUNT(s.id) DESC, l.id
+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('title', 'title', 'string')
+			->addScalarResult('latitude', 'latitude', 'float')
+			->addScalarResult('longitude', 'longitude', 'float')
+			->addScalarResult('indoor', 'indoor', 'boolean')
+			->addScalarResult('count', 'count', 'integer')
+			->addScalarResult('updated', 'updated', 'datetime');
+
+		//Get result
+		$result = $this->_em
+			->createNativeQuery($req, $rsm)
 			->setParameter('begin', $period->getStartDate())
 			->setParameter('end', $period->getEndDate())
-			->getResult();
+			->getArrayResult();
 
-		//Rekey array
-		$ret = array_column($ret, 'title', 'id');
+		//Set return
+		$return = [];
 
-		//Filter array
-		foreach($ret as $k => $v) {
-			$ret[$k] = $translator->trans($v);
+		//Iterate on each city
+		foreach($result as $data) {
+			//Add to return
+			$return[] = [
+				'id' => $data['id'],
+				'title' => $title = $this->translator->trans($data['title']),
+				'latitude' => $data['latitude'],
+				'longitude' => $data['longitude'],
+				'updated' => $data['updated'],
+				//XXX: Useless ???
+				'slug' => $location = $this->slugger->slug($title),
+				'link' => $this->router->generate('rapsys_air_location_view', ['id' => $data['id'], 'location' => $this->slugger->slug($location)])
+			];
 		}
 
-		//Send result
+		//Return return
+		return $return;
+	}
+
+	/**
+	 * Find cities as array
+	 *
+	 * @param DatePeriod $period The period
+	 * @param int $count The session count
+	 * @return array The cities array
+	 */
+	public function findCitiesAsArray(\DatePeriod $period, int $count = 1): array {
+		//Set the request
+		$req = <<<SQL
+SELECT
+	SUBSTRING(a.zipcode, 1, 2) AS id,
+	a.city AS city,
+	ROUND(AVG(a.latitude), 6) AS latitude,
+	ROUND(AVG(a.longitude), 6) AS longitude,
+	GROUP_CONCAT(a.id ORDER BY a.pcount DESC, a.count DESC, a.id SEPARATOR "\\n") AS ids,
+	GROUP_CONCAT(a.title ORDER BY a.pcount DESC, a.count DESC, a.id SEPARATOR "\\n") AS titles,
+	GROUP_CONCAT(a.latitude ORDER BY a.pcount DESC, a.count DESC, a.id SEPARATOR "\\n") AS latitudes,
+	GROUP_CONCAT(a.longitude ORDER BY a.pcount DESC, a.count DESC, a.id SEPARATOR "\\n") AS longitudes,
+	GROUP_CONCAT(a.indoor ORDER BY a.pcount DESC, a.count DESC, a.id SEPARATOR "\\n") AS indoors,
+	GROUP_CONCAT(a.count ORDER BY a.pcount DESC, a.count DESC, a.id SEPARATOR "\\n") AS counts,
+	MAX(a.updated) AS modified
+FROM (
+	SELECT
+		l.id,
+		l.city,
+		l.title,
+		l.latitude,
+		l.longitude,
+		l.indoor,
+		l.updated,
+		l.zipcode,
+		COUNT(s.id) AS count,
+		COUNT(IF(s.date BETWEEN :begin AND :end, s.id, NULL)) AS pcount
+	FROM RapsysAirBundle:Location AS l
+	LEFT JOIN RapsysAirBundle:Session AS s ON (l.id = s.location_id)
+	GROUP BY l.id
+	ORDER BY NULL
+	LIMIT 0, :limit
+) AS a
+GROUP BY a.city, SUBSTRING(a.zipcode, 1, 3)
+ORDER BY a.city, SUBSTRING(a.zipcode, 1, 3)
+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('city', 'city', 'string')
+			->addScalarResult('latitude', 'latitude', 'float')
+			->addScalarResult('longitude', 'longitude', 'float')
+			//XXX: is a string because of \n separator
+			->addScalarResult('ids', 'ids', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('titles', 'titles', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('latitudes', 'latitudes', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('longitudes', 'longitudes', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('indoors', 'indoors', 'string')
+			//XXX: is a string because of \n separator
+			->addScalarResult('counts', 'counts', 'string')
+			->addScalarResult('modified', 'modified', 'datetime')
+			->addIndexByScalar('city');
+
+		//Get result
+		$result = $this->_em
+			->createNativeQuery($req, $rsm)
+			->setParameter('begin', $period->getStartDate())
+			->setParameter('end', $period->getEndDate())
+			->getArrayResult();
+
+		//Set return
+		$return = [];
+
+		//Iterate on each city
+		foreach($result as $city => $data) {
+			//Set titles
+			$titles = explode("\n", $data['titles']);
+
+			//Set latitudes
+			$latitudes = explode("\n", $data['latitudes']);
+
+			//Set longitudes
+			$longitudes = explode("\n", $data['longitudes']);
+
+			//Set indoors
+			$indoors = explode("\n", $data['indoors']);
+
+			//Set counts
+			$counts = explode("\n", $data['counts']);
+
+			//With unsufficient count
+			if ($count && $counts[0] < $count) {
+				//Skip empty city
+				//XXX: count are sorted so only check first
+				continue;
+			}
+
+			//Set locations
+			$data['locations'] = [];
+
+			//Iterate on each location
+			foreach(explode("\n", $data['ids']) as $k => $id) {
+				//With unsufficient count
+				if ($count && $counts[$k] < $count) {
+					//Skip empty city
+					//XXX: count are sorted so only check first
+					continue;
+				}
+
+				//Add location
+				$data['locations'][] = [
+					'id' => $id,
+					'title' => $location = $this->translator->trans($titles[$k]),
+					'latitude' => floatval($latitudes[$k]),
+					'longitude' => floatval($longitudes[$k]),
+					'indoor' => $indoors[$k] == 0 ? $this->translator->trans('outdoor') : $this->translator->trans('indoor'),
+					'link' => $this->router->generate('rapsys_air_location_view', ['id' => $id, 'location' => $this->slugger->slug($location)])
+				];
+			}
+
+			//Add to return
+			$return[$city] = [
+				'id' => $data['id'],
+				'city' => $data['city'],
+				'in' => $this->translator->trans('in '.$data['city']),
+				'indoors' => array_map(function ($v) { return $v == 0 ? $this->translator->trans('outdoor') : $this->translator->trans('indoor'); }, array_unique($indoors)),
+				'multimap' => $this->translator->trans($data['city'].' sector map'),
+				'latitude' => $data['latitude'],
+				'longitude' => $data['longitude'],
+				'modified' => $data['modified'],
+				//XXX: Useless ???
+				'slug' => $city = $this->slugger->slug($data['city']),
+				'link' => $this->router->generate('rapsys_air_city_view', ['city' => $city, 'latitude' => $data['latitude'], 'longitude' => $data['longitude']]),
+				'locations' => $data['locations']
+			];
+		}
+
+		//Return return
+		return $return;
+	}
+
+	/**
+	 * Find city by latitude and longitude as array
+	 *
+	 * @param float $latitude The latitude
+	 * @param float $longitude The longitude
+	 * @return ?array The cities array
+	 */
+	public function findCityByLatitudeLongitudeAsArray(float $latitude, float $longitude): ?array {
+		//Set the request
+		$req = <<<SQL
+SELECT
+	SUBSTRING(l.zipcode, 1, 2) AS id,
+	l.city AS city,
+	ROUND(AVG(l.latitude), 6) AS latitude,
+	ROUND(AVG(l.longitude), 6) AS longitude,
+	MAX(l.updated) AS updated
+FROM RapsysAirBundle:Location AS l
+GROUP BY city, SUBSTRING(l.zipcode, 1, 3)
+ORDER BY ACOS(SIN(RADIANS(:latitude))*SIN(RADIANS(l.latitude))+COS(RADIANS(:latitude))*COS(RADIANS(l.latitude))*COS(RADIANS(:longitude - l.longitude)))*40030.17/2/PI()
+LIMIT 0, 1
+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('city', 'city', 'string')
+			->addScalarResult('latitude', 'latitude', 'float')
+			->addScalarResult('longitude', 'longitude', 'float')
+			->addScalarResult('updated', 'updated', 'datetime')
+			->addIndexByScalar('city');
+
+		//Get result
+		$result = $this->_em
+			->createNativeQuery($req, $rsm)
+			->setParameter('latitude', $latitude)
+			->setParameter('longitude', $longitude)
+			->getOneOrNullResult();
+
+		//Without result
+		if ($result === null) {
+			//Return result
+			return $result;
+		}
+
+		//Return result
+		return [
+			'id' => $result['id'],
+			'city' => $result['city'],
+			'latitude' => $result['latitude'],
+			'longitude' => $result['longitude'],
+			'updated' => $result['updated'],
+			'in' => $this->translator->trans('in '.$result['city']),
+			'multimap' => $this->translator->trans($result['city'].' sector map'),
+			//XXX: Useless ???
+			'slug' => $slug = $this->slugger->slug($result['city']),
+			'link' => $this->router->generate('rapsys_air_city_view', ['city' => $slug, 'latitude' => $result['latitude'], 'longitude' => $result['longitude']])
+		];
+	}
+
+	/**
+	 * Find locations by latitude and longitude sorted by period as array
+	 *
+	 * @TODO: find all other locations when current one has no sessions ???
+	 *
+	 * @param float $latitude The latitude
+	 * @param float $longitude The longitude
+	 * @param DatePeriod $period The period
+	 * @param int $count The session count
+	 * @param float $distance The distance
+	 * @return array The locations array
+	 */
+	public function findAllByLatitudeLongitudeAsArray(float $latitude, float $longitude, \DatePeriod $period, int $count = 1, float $distance = 15): array {
+		//Set earth radius
+		$radius = 40030.17/2/pi();
+
+		//Compute min latitude
+		$minlat = min(rad2deg(asin(sin(deg2rad($latitude))*cos($distance/$radius) + cos(deg2rad($latitude))*sin($distance/$radius)*cos(deg2rad(180)))), $latitude);
+
+		//Compute max latitude
+		$maxlat = max(rad2deg(asin(sin(deg2rad($latitude))*cos($distance/$radius) + cos(deg2rad($latitude))*sin($distance/$radius)*cos(deg2rad(0)))), $latitude);
+
+		//Compute min longitude
+		$minlong = fmod((rad2deg((deg2rad($longitude) + atan2(sin(deg2rad(-90))*sin($distance/$radius)*cos(deg2rad($minlat)), cos($distance/$radius) - sin(deg2rad($minlat)) * sin(deg2rad($minlat))))) + 180), 360) - 180;
+
+		//Compute max longi
+		$maxlong = fmod((rad2deg((deg2rad($longitude) + atan2(sin(deg2rad(90))*sin($distance/$radius)*cos(deg2rad($maxlat)), cos($distance/$radius) - sin(deg2rad($maxlat)) * sin(deg2rad($maxlat))))) + 180), 360) - 180;
+
+		//Set the request
+		//TODO: see old request before commit to sort session count, distance and then by id ?
+		//TODO: see to sort by future session count, historical session count, distance and then by id ?
+		//TODO: do the same for cities and city ?
+		$req = <<<SQL
+SELECT
+	a.id,
+	a.title,
+	a.latitude,
+	a.longitude,
+	a.updated,
+	MAX(a.updated) AS modified,
+	COUNT(s.id) AS count
+FROM (
+	SELECT
+		l.id,
+		l.title,
+		l.latitude,
+		l.longitude,
+		l.updated
+	FROM RapsysAirBundle:Location AS l
+	WHERE l.latitude BETWEEN :minlat AND :maxlat AND l.longitude BETWEEN :minlong AND :maxlong
+	LIMIT 0, :limit
+) AS a
+LEFT JOIN RapsysAirBundle:Session s ON (s.location_id = a.id)
+GROUP BY a.id
+ORDER BY COUNT(IF(s.date BETWEEN :begin AND :end, s.id, NULL)) DESC, count DESC, a.id
+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('title', 'title', 'string')
+			->addScalarResult('latitude', 'latitude', 'float')
+			->addScalarResult('longitude', 'longitude', 'float')
+			->addScalarResult('updated', 'updated', 'datetime')
+			->addScalarResult('modified', 'modified', 'datetime')
+			->addScalarResult('count', 'count', 'integer');
+
+		//Get result
+		$result = $this->_em
+			->createNativeQuery($req, $rsm)
+			->setParameter('begin', $period->getStartDate())
+			->setParameter('end', $period->getEndDate())
+			->setParameter('minlat', $minlat)
+			->setParameter('maxlat', $maxlat)
+			->setParameter('minlong', $minlong)
+			->setParameter('maxlong', $maxlong)
+			->getArrayResult();
+
+		//Set return
+		$return = [];
+
+		//Iterate on each location
+		foreach($result as $id => $data) {
+			//With active locations
+			if ($count && $data['count'] < $count) {
+				//Skip unactive locations
+				continue;
+			}
+
+			//Add location
+			$return[$id] = [
+				'id' => $data['id'],
+				'title' => $title = $this->translator->trans($data['title']),
+				'latitude' => $data['latitude'],
+				'longitude' => $data['longitude'],
+				'updated' => $data['updated'],
+				'modified' => $data['modified'],
+				'count' => $data['count'],
+				'slug' => $slug = $this->slugger->slug($title),
+				'link' => $this->router->generate('rapsys_air_location_view', ['id' => $data['id'], 'location' => $slug])
+			];
+		}
+
+		//Return return
+		return $return;
+	}
+
+	/**
+	 * Find locations by user id sorted by period as array
+	 *
+	 * @param int $userId The user id
+	 * @param DatePeriod $period The period
+	 * @return array The locations array
+	 */
+	public function findAllByUserIdAsArray(int $userId, \DatePeriod $period, $distance = 15): array {
+		//Set the request
+		//TODO: ajouter pays ???
+		$req = <<<SQL
+SELECT
+	a.id,
+	a.title,
+	a.city,
+	a.latitude,
+	a.longitude,
+	a.updated,
+	a.modified,
+	a.pcount,
+	COUNT(s3.id) AS tcount
+FROM (
+	SELECT
+		b.id,
+		b.title,
+		b.city,
+		b.latitude,
+		b.longitude,
+		b.updated,
+		COUNT(s2.id) AS pcount,
+		MAX(b.updated) AS modified
+	FROM (
+		SELECT
+			l2.id,
+			l2.city,
+			l2.title,
+			l2.latitude,
+			l2.longitude,
+			l2.updated
+		FROM (
+			SELECT
+				l.id,
+				l.latitude,
+				l.longitude
+			FROM applications AS a
+			JOIN sessions AS s ON (s.id = a.session_id)
+			JOIN locations 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 locations 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 :distance
+		GROUP BY l2.id
+		ORDER BY NULL
+		LIMIT 0, :limit
+	) AS b
+	LEFT JOIN sessions AS s2 ON (s2.location_id = b.id AND s2.date BETWEEN :begin AND :end)
+	GROUP BY b.id
+	ORDER BY NULL
+	LIMIT 0, :limit
+) AS a
+LEFT JOIN sessions AS s3 ON (s3.location_id = a.id)
+GROUP BY a.id
+ORDER BY pcount DESC, tcount DESC, a.id
+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('title', 'title', 'string')
+			->addScalarResult('city', 'city', 'string')
+			->addScalarResult('latitude', 'latitude', 'float')
+			->addScalarResult('longitude', 'longitude', 'float')
+			->addScalarResult('updated', 'updated', 'datetime')
+			->addScalarResult('pcount', 'pcount', 'integer')
+			->addScalarResult('tcount', 'tcount', 'integer')
+			->addScalarResult('modified', 'modified', 'datetime');
+
+		//Get result
+		$result = $this->_em
+			->createNativeQuery($req, $rsm)
+			->setParameter('begin', $period->getStartDate())
+			->setParameter('end', $period->getEndDate())
+			->setParameter('id', $userId)
+			->setParameter('distance', $distance)
+			->getArrayResult();
+
+		//Set return
+		$return = [];
+
+		//Iterate on each location
+		foreach($result as $id => $data) {
+			//With active locations
+			if (!empty($result[0]['tcount']) && empty($data['tcount'])) {
+				//Skip unactive locations
+				break;
+			}
+
+			//Add location
+			$return[$id] = [
+				'id' => $data['id'],
+				'city' => $data['city'],
+				'title' => $title = $this->translator->trans($data['title']),
+				'at' => $this->translator->trans('at '.$data['title']),
+				'miniature' => $this->translator->trans($data['title'].' miniature'),
+				'latitude' => $data['latitude'],
+				'longitude' => $data['longitude'],
+				'updated' => $data['updated'],
+				'pcount' => $data['pcount'],
+				'tcount' => $data['tcount'],
+				'modified' => $data['modified'],
+				'slug' => $slug = $this->slugger->slug($title),
+				'link' => $this->router->generate('rapsys_air_location_view', ['id' => $data['id'], 'location' => $slug])
+			];
+		}
+
+		//Return return
+		return $return;
+	}
+
+	/**
+	 * Find location as array by id
+	 *
+	 * @param int $id The location id
+	 * @param string $locale The locale
+	 * @return array The location data
+	 */
+	public function findOneByIdAsArray(int $id, string $locale): ?array {
+		//Set the request
+		$req = <<<SQL
+SELECT
+	l.id,
+	l.title,
+	l.city,
+	l.latitude,
+	l.longitude,
+	l.indoor,
+	l.zipcode,
+	MAX(l2.updated) AS updated,
+	SUBSTRING(l.zipcode, 1, 2) AS city_id,
+	ROUND(AVG(l2.latitude), 6) AS city_latitude,
+	ROUND(AVG(l2.longitude), 6) AS city_longitude
+FROM RapsysAirBundle:Location AS l
+JOIN RapsysAirBundle:Location AS l2 ON (l2.city = l.city AND SUBSTRING(l.zipcode, 1, 3) = SUBSTRING(l.zipcode, 1, 3))
+WHERE l.id = :id
+GROUP BY l.id
+LIMIT 0, 1
+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('title', 'title', 'string')
+			->addScalarResult('city', 'city', 'string')
+			->addScalarResult('latitude', 'latitude', 'float')
+			->addScalarResult('longitude', 'longitude', 'float')
+			->addScalarResult('indoor', 'indoor', 'boolean')
+			->addScalarResult('zipcode', 'zipcode', 'string')
+			->addScalarResult('updated', 'updated', 'datetime')
+			->addScalarResult('city_id', 'city_id', 'integer')
+			->addScalarResult('city_latitude', 'city_latitude', 'float')
+			->addScalarResult('city_longitude', 'city_longitude', 'float')
+			->addIndexByScalar('id');
+
+		//Get result
+		$result = $this->_em
+			->createNativeQuery($req, $rsm)
+			->setParameter('id', $id)
+			->getOneOrNullResult();
+
+		//Without result
+		if ($result === null) {
+			//Return result
+			return $result;
+		}
+
+		//Set alternates
+		$result['alternates'] = [];
+
+		//Set route
+		$route = 'rapsys_air_location_view';
+
+		//Set route params
+		$routeParams = ['id' => $id];
+
+		//Iterate on each languages
+		foreach($this->languages as $languageId => $language) {
+			//Without current locale
+			if ($languageId !== $locale) {
+				//Set titles
+				$titles = [];
+
+				//Set route params locale
+				$routeParams['_locale'] = $languageId;
+
+				//Set route params location
+				$routeParams['location'] = $this->slugger->slug($this->translator->trans($result['title'], [], null, $languageId));
+
+				//Iterate on each locales
+				foreach(array_keys($this->languages) as $other) {
+					//Without other locale
+					if ($other !== $languageId) {
+						//Set other locale title
+						$titles[$other] = $this->translator->trans($language, [], null, $other);
+					}
+				}
+
+				//Add alternates locale
+				$result['alternates'][substr($languageId, 0, 2)] = $result['alternates'][str_replace('_', '-', $languageId)] = [
+					'absolute' => $this->router->generate($route, $routeParams, UrlGeneratorInterface::ABSOLUTE_URL),
+					'relative' => $this->router->generate($route, $routeParams),
+					'title' => implode('/', $titles),
+					'translated' => $this->translator->trans($language, [], null, $languageId)
+				];
+			}
+		}
+
+		//Return result
+		return [
+			'id' => $result['id'],
+			'city' => [
+				'id' => $result['city_id'],
+				'title' => $result['city'],
+				'in' => $this->translator->trans('in '.$result['city']),
+				'link' => $this->router->generate('rapsys_air_city_view', ['city' => $result['city'], 'latitude' => $result['city_latitude'], 'longitude' => $result['city_longitude']])
+			],
+			'title' => $title = $this->translator->trans($result['title']),
+			'latitude' => $result['latitude'],
+			'longitude' => $result['longitude'],
+			'indoor' => $result['indoor'],
+			'updated' => $result['updated'],
+			'around' => $this->translator->trans('around '.$result['title']),
+			'at' => $this->translator->trans('at '.$result['title']),
+			'atin' => $this->translator->trans('at '.$result['title']).' '.$this->translator->trans('in '.$result['city']),
+			'multimap' => $this->translator->trans($result['title'].' sector map'),
+			//XXX: Useless ???
+			'slug' => $slug = $this->slugger->slug($title),
+			'link' => $this->router->generate($route, ['_locale' => $locale, 'location' => $slug]+$routeParams),
+			'alternates' => $result['alternates']
+		];
+	}
+
+	/**
+	 * Find complementary locations by session id
+	 *
+	 * @param int $id The session id
+	 * @return array The other locations
+	 */
+	public function findComplementBySessionId(int $id): array {
+		//Fetch complement locations
+		$ret = $this->getEntityManager()
+			  ->createQuery('SELECT l.id, l.title FROM RapsysAirBundle:Session s LEFT JOIN RapsysAirBundle:Session s2 WITH s2.id != s.id AND s2.slot = s.slot AND s2.date = s.date LEFT JOIN RapsysAirBundle:Location l WITH l.id != s.location AND (l.id != s2.location OR s2.location IS NULL) WHERE s.id = :sid GROUP BY l.id ORDER BY l.id')
+			->setParameter('sid', $id)
+			->getArrayResult();
+
+		//TODO: try to improve with:
+		#->addIndexByScalar('city');
+
+		//Rekey array
+		$ret = array_column($ret, 'id', 'title');
+
 		return $ret;
 	}
+
+	/**
+	 * Find locations by user id
+	 *
+	 * @param int $id The user id
+	 * @return array The user locations
+	 */
+	public function findByUserId(int $userId): array {
+		//Set the request
+		$req = 'SELECT l.id, l.title
+FROM RapsysAirBundle:UserLocation AS ul
+JOIN RapsysAirBundle:Location AS l ON (l.id = ul.location_id)
+WHERE ul.user_id = :id';
+
+		//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 result set for our request
+		$rsm->addEntityResult('RapsysAirBundle:Location', 'l')
+			->addFieldResult('l', 'id', 'id')
+			->addFieldResult('l', 'title', 'title');
+
+		//Send result
+		return $this->_em
+			->createNativeQuery($req, $rsm)
+			->setParameter('id', $userId)
+			->getResult();
+	}
 }