public IActionResult GetTheWinner(int sessionId)
{
var users = _sessionsRepository.GetAllUserIdsOnASession(sessionId);
var allRestaurantIds = new List <string>();
foreach (var item in users)
{
var restaurants = _acceptableRestaurantsRepository.GetAllAcceptableRestaurantsByUserAndSessionId(item.Id, sessionId);
foreach (var selection in restaurants)
{
allRestaurantIds.Add(selection.RestaurantId);
}
}
var query = allRestaurantIds.GroupBy(x => x).Where(g => g.Count() > 1).Select(y => y.Key).ToList();
if (query.Count == 0)
{
return(Ok("No matching restaurants."));
}
Random rnd = new Random();
var winningIndex = rnd.Next(0, query.Count());
var winningId = query[winningIndex];
var winningRestaurant = _repository.GetWinningRestaurant(winningId);
if (winningRestaurant == null)
{
return(NotFound("There was an error getting your winning restaurant. Please try again."));
}
var completeSession = _sessionsRepository.CompleteASession(sessionId, winningRestaurant.id);
return(Ok(winningRestaurant));
}