Erreur 500 : Geocode query cannot be empty #301

Component/CitiesComponent.php

 
     public function callAddressApi($query)
     {
-        if(is_null($query)) {
-            $query = '';
-        }
+        $resultsToReturn = [];
+
+        if(!is_null($query)) {
+            $provider = $this->getGeocoderProvider() ;
+            $query = GeocodeQuery::create($query)->withData('type', 'housenumber');
+            $results = $provider->geocodeQuery($query);
 
-        $provider = $this->getGeocoderProvider() ;
-        $query = GeocodeQuery::create($query)->withData('type', 'housenumber');
-        $results = $provider->geocodeQuery($query);
-        $resultsToReturn = array();
-        foreach($results as $result) {
-            if ($result->getStreetNumber() && strlen($result->getStreetNumber()) > 0) {
-                $resultsToReturn[] = $result;
+            foreach($results as $result) {
+                if ($result->getStreetNumber() && strlen($result->getStreetNumber()) > 0) {
+                    $resultsToReturn[] = $result;
+                }
             }
         }
+
         return $resultsToReturn;
     }