private JsonValues entityToJsonValues(Entity entity) {
Gson gson = new Gson();
JsonValues values = new JsonValues();
values.deck = gson.fromJson(entity.getKey().getName(), Deck.class);
long total = 0;
long count = 0;
for (long rating = 1; rating <= 5; rating++) {
long ratingCount = 0;
String ratingKey = getRatingKey(rating);
if (entity.hasProperty(ratingKey)) {
ratingCount = (long) entity.getProperty(ratingKey);
}
count += ratingCount;
total += ratingCount * rating;
}
values.rating = ((double) total) / count;
return values;
}
