public async Task <IEnumerable <Friend> > ClosestFriends(string _id)
{
Friend currentFriend = await _friendsRepository.GetById(_id);
IEnumerable <Friend> friendsList = await _friendsRepository.GetAllExcept(_id);
foreach (Friend friend in friendsList)
{
var calcLog = new CalculationHistoryLog(friend, friend.CalculateDistance(currentFriend.Position), DateTime.Now);
await _logRepository.SaveCalculationHistory(calcLog);
}
return(friendsList.OrderBy(friend => friend.DistanceToCurrentPosition).Take(3));
}