Use nearby Google places for reviews

lib/state/place_controller.dart

@@ -20,6 +20,7 @@ class PlaceState {
   });
 
   static final _distance = Distance();
+  static const nearbyRecommendationRadiusMeters = 500.0;
 
   final PlaceTrait selectedTrait;
   final List<PlaceRecommendation> places;
@@ -30,7 +31,17 @@ class PlaceState {
   final VoiceReviewDraft reviewDraft;
 
   List<PlaceRecommendation> get recommendations {
-    final ranked = [...places]
+    final coordinate = userCoordinate;
+    if (coordinate == null) {
+      return const [];
+    }
+
+    final nearbyPlaces = places.where((place) {
+      return _distance(coordinate, place.coordinate) <=
+          nearbyRecommendationRadiusMeters;
+    });
+
+    final ranked = [...nearbyPlaces]
       ..sort((a, b) {
         final aScore = a.traits.contains(selectedTrait) ? 1 : 0;
         final bScore = b.traits.contains(selectedTrait) ? 1 : 0;
@@ -39,11 +50,6 @@ class PlaceState {
           return scoreOrder;
         }
 
-        final coordinate = userCoordinate;
-        if (coordinate == null) {
-          return 0;
-        }
-
         return _distance(
           coordinate,
           a.coordinate,