X-Git-Url: https://git.rapsys.eu/airbundle/blobdiff_plain/ce3bfc266e1f7ac04d8ff3cd7f78c8ef70f72529..c65426d07b331f0f36e0fe495dee2c79c0f60468:/Repository/SessionRepository.php

diff --git a/Repository/SessionRepository.php b/Repository/SessionRepository.php
index 4deb69e..dd89a98 100644
--- a/Repository/SessionRepository.php
+++ b/Repository/SessionRepository.php
@@ -142,6 +142,127 @@ SQL;
 			->getOneOrNullResult();
 	}
 
+	/**
+	 * Fetch sessions by date period
+	 *
+	 * @param $period The date period
+	 * @param $locale The locale
+	 */
+	public function fetchAllByDatePeriod($period, $locale = null) {
+		//Get entity manager
+		$em = $this->getEntityManager();
+
+		//Get quote strategy
+		$qs = $em->getConfiguration()->getQuoteStrategy();
+		$dp = $em->getConnection()->getDatabasePlatform();
+
+		//Get quoted table names
+		//XXX: this allow to make this code table name independent
+		$tables = [
+			'RapsysAirBundle:Application' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Application'), $dp),
+			'RapsysAirBundle:Location' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Location'), $dp),
+			'RapsysAirBundle:Session' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Session'), $dp),
+			'RapsysAirBundle:Snippet' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Snippet'), $dp),
+			'RapsysAirBundle:User' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:User'), $dp),
+			':afterid' => 4,
+			"\t" => '',
+			"\n" => ' '
+		];
+
+		//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.latitude AS l_latitude,
+	l.longitude AS l_longitude,
+	s.application_id AS a_id,
+	a.canceled AS a_canceled,
+	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 RapsysAirBundle:Session AS s
+JOIN RapsysAirBundle:Location AS l ON (l.id = s.location_id)
+JOIN RapsysAirBundle:Application AS a ON (a.id = s.application_id)
+JOIN RapsysAirBundle:User AS au ON (au.id = a.user_id)
+LEFT JOIN RapsysAirBundle:Snippet AS p ON (p.location_id = s.location_id AND p.user_id = a.user_id AND p.locale = :locale)
+WHERE s.date BETWEEN :begin AND :end
+ORDER BY NULL
+SQL;
+
+		//Replace bundle entity name by table name
+		$req = str_replace(array_keys($tables), array_values($tables), $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('t_id', 't_id', 'integer')
+			->addScalarResult('t_title', 't_title', 'string')
+			->addScalarResult('a_id', 'a_id', 'integer')
+			->addScalarResult('a_canceled', 'a_canceled', 'datetime')
+			->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 = $em
+			->createNativeQuery($req, $rsm)
+			->setParameter('begin', $period->getStartDate())
+			->setParameter('end', $period->getEndDate())
+			->setParameter('locale', $locale);
+
+		//Return result
+		return $res->getResult();
+	}
+
 	/**
 	 * Fetch session by id
 	 *
@@ -196,15 +317,16 @@ SELECT
 	s.created,
 	s.updated,
 	s.location_id AS l_id,
-	l.short AS l_short,
 	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.updated AS l_updated,
 	s.slot_id AS t_id,
 	t.title AS t_title,
+	t.updated AS t_updated,
 	s.application_id AS a_id,
 	a.canceled AS a_canceled,
 	a.user_id AS au_id,
@@ -216,6 +338,9 @@ SELECT
 	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,
+	p.updated AS p_updated,
 	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,
@@ -263,15 +388,16 @@ SQL;
 			->addScalarResult('created', 'created', 'datetime')
 			->addScalarResult('updated', 'updated', 'datetime')
 			->addScalarResult('l_id', 'l_id', 'integer')
-			->addScalarResult('l_short', 'l_short', 'string')
 			->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_updated', 'l_updated', 'datetime')
 			->addScalarResult('t_id', 't_id', 'integer')
 			->addScalarResult('t_title', 't_title', 'string')
+			->addScalarResult('t_updated', 't_updated', 'datetime')
 			->addScalarResult('a_id', 'a_id', 'integer')
 			->addScalarResult('a_canceled', 'a_canceled', 'datetime')
 			->addScalarResult('au_id', 'au_id', 'integer')
@@ -283,6 +409,9 @@ SQL;
 			->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('p_updated', 'p_updated', 'datetime')
 			//XXX: is a string because of \n separator
 			->addScalarResult('sa_id', 'sa_id', 'string')
 			//XXX: is a string because of \n separator
@@ -316,7 +445,7 @@ SQL;
 	 * @param $sessionId The session id
 	 * @param $granted The session is granted
 	 */
-	public function fetchCalendarByDatePeriod(TranslatorInterface $translator, $period, $locationId = null, $sessionId = null, $granted = false) {
+	public function fetchCalendarByDatePeriod(TranslatorInterface $translator, $period, $locationId = null, $sessionId = null, $granted = false, $locale = null) {
 		//Get entity manager
 		$em = $this->getEntityManager();
 
@@ -333,6 +462,7 @@ SQL;
 			'RapsysAirBundle:Group' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Group'), $dp),
 			'RapsysAirBundle:Location' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Location'), $dp),
 			'RapsysAirBundle:Slot' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Slot'), $dp),
+			'RapsysAirBundle:Snippet' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Snippet'), $dp),
 			'RapsysAirBundle:User' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:User'), $dp),
 			':afterid' => 4,
 			"\t" => '',
@@ -359,6 +489,7 @@ SQL;
 
 		//Set the request
 		$req = <<<SQL
+
 SELECT
 	s.id,
 	s.date,
@@ -370,7 +501,6 @@ SELECT
 	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.short AS l_short,
 	l.title AS l_title,
 	s.slot_id AS t_id,
 	t.title AS t_title,
@@ -378,6 +508,8 @@ SELECT
 	a.canceled AS a_canceled,
 	a.user_id AS au_id,
 	au.pseudonym AS au_pseudonym,
+	p.rate AS p_rate,
+	p.hat AS p_hat,
 	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 RapsysAirBundle:Session AS s
@@ -386,6 +518,7 @@ JOIN RapsysAirBundle:Slot AS t ON (t.id = s.slot_id)
 ${grantSql}JOIN RapsysAirBundle:Application AS a ON (a.id = s.application_id)
 ${grantSql}JOIN RapsysAirBundle:User AS au ON (au.id = a.user_id)
 LEFT JOIN RapsysAirBundle:Application AS sa ON (sa.session_id = s.id)
+LEFT JOIN RapsysAirBundle:Snippet AS p ON (p.location_id = s.location_id AND p.user_id = a.user_id AND p.locale = :locale)
 LEFT JOIN RapsysAirBundle:User AS sau ON (sau.id = sa.user_id)
 WHERE s.date BETWEEN :begin AND :end${locationSql}
 GROUP BY s.id
@@ -414,12 +547,13 @@ SQL;
 			->addScalarResult('t_id', 't_id', 'integer')
 			->addScalarResult('t_title', 't_title', 'string')
 			->addScalarResult('l_id', 'l_id', 'integer')
-			->addScalarResult('l_short', 'l_short', 'string')
 			->addScalarResult('l_title', 'l_title', 'string')
 			->addScalarResult('a_id', 'a_id', 'integer')
 			->addScalarResult('a_canceled', 'a_canceled', 'datetime')
 			->addScalarResult('au_id', 'au_id', 'integer')
 			->addScalarResult('au_pseudonym', 'au_pseudonym', 'string')
+			->addScalarResult('p_rate', 'p_rate', 'integer')
+			->addScalarResult('p_hat', 'p_hat', 'boolean')
 			//XXX: is a string because of \n separator
 			->addScalarResult('sau_id', 'sau_id', 'string')
 			//XXX: is a string because of \n separator
@@ -430,7 +564,8 @@ SQL;
 		$res = $em
 			->createNativeQuery($req, $rsm)
 			->setParameter('begin', $period->getStartDate())
-			->setParameter('end', $period->getEndDate());
+			->setParameter('end', $period->getEndDate())
+			->setParameter('locale', $locale);
 
 		//Add optional location id
 		if (!empty($locationId)) {
@@ -590,14 +725,16 @@ SQL;
 						'id' => $session['id'],
 						'start' => $session['start'],
 						'stop' => $session['stop'],
-						'location' => $translator->trans($session['l_short']),
+						'location' => $translator->trans($session['l_title']),
 						'pseudonym' => $pseudonym,
 						'class' => $class,
 						'slot' => self::GLYPHS[$session['t_title']],
 						'slottitle' => $translator->trans($session['t_title']),
 						'weather' => $weather,
 						'weathertitle' => implode(' ', $weathertitle),
-						'applications' => $applications
+						'applications' => $applications,
+						'rate' => $session['p_rate'],
+						'hat' => $session['p_hat']
 					];
 				}
 			}
@@ -618,7 +755,7 @@ SQL;
 	 * @param $userId The user id
 	 * @param $sessionId The session id
 	 */
-	public function fetchUserCalendarByDatePeriod(TranslatorInterface $translator, $period, $userId = null, $sessionId = null) {
+	public function fetchUserCalendarByDatePeriod(TranslatorInterface $translator, $period, $userId = null, $sessionId = null, $locale = null) {
 		//Get entity manager
 		$em = $this->getEntityManager();
 
@@ -635,6 +772,7 @@ SQL;
 			'RapsysAirBundle:Group' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Group'), $dp),
 			'RapsysAirBundle:Location' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Location'), $dp),
 			'RapsysAirBundle:Slot' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Slot'), $dp),
+			'RapsysAirBundle:Snippet' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Snippet'), $dp),
 			'RapsysAirBundle:User' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:User'), $dp),
 			':afterid' => 4,
 			"\t" => '',
@@ -666,19 +804,21 @@ SELECT
 	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.short AS l_short,
 	l.title AS l_title,
 	s.slot_id AS t_id,
 	t.title AS t_title,
 	s.application_id AS a_id,
 	a.user_id AS au_id,
 	au.pseudonym AS au_pseudonym,
+	p.rate AS p_rate,
+	p.hat AS p_hat,
 	GROUP_CONCAT(sa.user_id ORDER BY sa.user_id SEPARATOR "\\n") AS sau_id,
 	GROUP_CONCAT(CONCAT("- ", sau.pseudonym) ORDER BY sa.user_id SEPARATOR "\\n") AS sau_pseudonym
 FROM RapsysAirBundle:Session AS s
 JOIN RapsysAirBundle:Location AS l ON (l.id = s.location_id)
 JOIN RapsysAirBundle:Slot AS t ON (t.id = s.slot_id)
 ${userJoinSql}LEFT JOIN RapsysAirBundle:Application AS a ON (a.id = s.application_id)
+LEFT JOIN RapsysAirBundle:Snippet AS p ON (p.location_id = s.location_id AND p.user_id = a.user_id AND p.locale = :locale)
 LEFT JOIN RapsysAirBundle:User AS au ON (au.id = a.user_id)
 LEFT JOIN RapsysAirBundle:Application AS sa ON (sa.session_id = s.id)
 LEFT JOIN RapsysAirBundle:User AS sau ON (sau.id = sa.user_id)
@@ -709,11 +849,12 @@ SQL;
 			->addScalarResult('t_id', 't_id', 'integer')
 			->addScalarResult('t_title', 't_title', 'string')
 			->addScalarResult('l_id', 'l_id', 'integer')
-			->addScalarResult('l_short', 'l_short', 'string')
 			->addScalarResult('l_title', 'l_title', 'string')
 			->addScalarResult('a_id', 'a_id', 'integer')
 			->addScalarResult('au_id', 'au_id', 'integer')
 			->addScalarResult('au_pseudonym', 'au_pseudonym', 'string')
+			->addScalarResult('p_rate', 'p_rate', 'integer')
+			->addScalarResult('p_hat', 'p_hat', 'boolean')
 			//XXX: is a string because of \n separator
 			->addScalarResult('sau_id', 'sau_id', 'string')
 			//XXX: is a string because of \n separator
@@ -726,6 +867,7 @@ SQL;
 			->setParameter('begin', $period->getStartDate())
 			->setParameter('end', $period->getEndDate())
 			->setParameter('uid', $userId)
+			->setParameter('locale', $locale)
 			->getResult();
 
 		//Init calendar
@@ -881,14 +1023,16 @@ SQL;
 						'id' => $session['id'],
 						'start' => $session['start'],
 						'stop' => $session['stop'],
-						'location' => $translator->trans($session['l_short']),
+						'location' => $translator->trans($session['l_title']),
 						'pseudonym' => $pseudonym,
 						'class' => $class,
 						'slot' => self::GLYPHS[$session['t_title']],
 						'slottitle' => $translator->trans($session['t_title']),
 						'weather' => $weather,
 						'weathertitle' => implode(' ', $weathertitle),
-						'applications' => $applications
+						'applications' => $applications,
+						'rate' => $session['p_rate'],
+						'hat' => $session['p_hat']
 					];
 				}
 			}
@@ -1319,4 +1463,173 @@ SQL;
 		//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 entity manager
+		$em = $this->getEntityManager();
+
+		//Get connection
+		$cnx = $em->getConnection();
+
+		//Get quote strategy
+		$qs = $em->getConfiguration()->getQuoteStrategy();
+		$dp = $em->getConnection()->getDatabasePlatform();
+
+		//Get quoted table names
+		//XXX: this allow to make this code table name independent
+		$tables = [
+			'RapsysAirBundle:Application' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Application'), $dp),
+			'RapsysAirBundle:Session' => $qs->getTableName($em->getClassMetadata('RapsysAirBundle:Session'), $dp),
+			':afterid' => 4,
+			"\t" => '',
+			"\n" => ' '
+		];
+
+		//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 RapsysAirBundle:Session AS s
+	LEFT JOIN RapsysAirBundle: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
+		$req = str_replace(array_keys($tables), array_values($tables), $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 = $em->createNativeQuery($req, $rsm);
+
+		//Get result set
+		$res = $rnq->getResult();
+
+		//Start transaction
+		$cnx->beginTransaction();
+
+		//Set update session request
+		$sreq = <<<SQL
+UPDATE RapsysAirBundle:Session
+SET id = :nid, updated = NOW()
+WHERE id = :id
+SQL;
+
+		//Replace bundle entity name by table name
+		$sreq = str_replace(array_keys($tables), array_values($tables), $sreq);
+
+		//Set update application request
+		$areq = <<<SQL
+UPDATE RapsysAirBundle:Application
+SET session_id = :nid, updated = NOW()
+WHERE session_id = :id
+SQL;
+
+		//Replace bundle entity name by table name
+		$areq = str_replace(array_keys($tables), array_values($tables), $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 RapsysAirBundle:Session
+auto_increment = 1
+SQL;
+
+				//Replace bundle entity name by table name
+				$ireq = str_replace(array_keys($tables), array_values($tables), $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;
+	}
 }