public void Calculate(Settlement settlement)
{
var average = settlement.GetAverage();
var usersCost = settlement.GetUsersCost();
Dictionary <Guid, decimal> usersDebts = new Dictionary <Guid, decimal>();
foreach (var user in usersCost)
{
usersDebts.Add(user.Key, user.Value - average);
}
var ordered = usersDebts.OrderBy(x => x.Value);
foreach (var user1 in ordered)
{
if (user1.Value < 0)
{
foreach (var user2 in ordered)
{
if (user1.Key != user2.Key && user2.Value > 0 && user2.Value + user1.Value >= 0)
{
settlement.AddUserDebt(user1.Key, user2.Key, -user1.Value);
usersDebts[user2.Key] -= user1.Value;
}
}
}
}
}
