implemented review findings

src/Database/Query/Select.php

@@ -328,14 +328,13 @@ class Select
 
     private function generateJoins(): array
     {
-        $joins = $this->joins;
 
         $joinQueries = [];
         $params = [];
 
-        foreach($joins as $value) {
+        foreach($this->joins as $join) {
-            list($joinQueryFragment, $paramsFragment) = $this->generateTable($value[1], true);
+            list($joinQueryFragment, $paramsFragment) = $this->generateTable($join[1], true);
-            array_push($joinQueries, $value[0] . ' JOIN ' . $joinQueryFragment . ' ON ' . $this->generateColumn($value[2]) . ' ' . $value[3] . ' ' . $this->generateColumn($value[4]));
+            $joinQueries[] = $join[0] . ' JOIN ' . $joinQueryFragment . ' ON ' . $this->generateColumn($join[2]) . ' ' . $join[3] . ' ' . $this->generateColumn($join[4]);
             $params = array_merge($params, $paramsFragment);
         }
 

src/Repository/PlaceRepository.php

@@ -35,21 +35,26 @@ class PlaceRepository
             return $this->getRandomNForMapWithValidPano($mapId, $n);
         } else { // authorized user or multiplayer game with selection based on what the host played before
             $unvisitedPlaces = $this->getRandomUnvisitedNForMapWithValidPano($mapId, $n, $userId);
+            if (count($unvisitedPlaces) == $n) {
+                return $unvisitedPlaces;
+            }
+
             $oldPlaces = $this->getRandomOldNForMapWithValidPano($mapId, $n - count($unvisitedPlaces), $userId);
+            
             return array_merge($unvisitedPlaces, $oldPlaces);
         }
     }
 
     //TODO: use Map instead of id
-    public function getRandomNForMapWithValidPano(int $mapId, int $n, array $exclude = []): array
+    private function getRandomNForMapWithValidPano(int $mapId, int $n): array
     {
         $places = [];
 
         $select = new Select(\Container::$dbConnection, 'places');
-        $select->where('id', 'NOT IN', $exclude);
         $select->where('map_id', '=', $mapId);
         $numberOfPlaces = $select->count();
 
+        $exclude = [];
         for ($i = 1; $i <= $n; ++$i) {
             $place = $this->getRandomForMapWithValidPano($numberOfPlaces, $select, $exclude);
 
@@ -60,7 +65,7 @@ class PlaceRepository
         return $places;
     }
 
-    private function getRandomForMapWithValidPano($numberOfPlaces, $select, array &$exclude, ?callable $pickRandomInt = null): ?Place
+    private function getRandomForMapWithValidPano(int $numberOfPlaces, Select $select, array &$exclude, ?callable $pickRandomInt = null): ?Place
     {
         do {
             $numberOfPlacesLeft = $numberOfPlaces - count($exclude);
@@ -79,7 +84,7 @@ class PlaceRepository
         return $place;
     }
 
-    private function selectRandomFromDbForMap($numberOfPlacesLeft, $select, array $exclude, ?callable $pickRandomInt): ?Place
+    private function selectRandomFromDbForMap(int $numberOfPlacesLeft, Select $select, array $exclude, ?callable $pickRandomInt): ?Place
     {
         if ($numberOfPlacesLeft <= 0)
             return null;