public async Task <Statistic> GetStatistic(Guid userId)
{
DateTime today = DateTime.Now;
Statistic statistic = new Statistic();
for (int x = 0; x < 6; x++)
{
MonthSaldo saldo = await GetMonthSaldo(userId, today.Month, today.Year);
statistic.Expenses.Add(Math.Abs(saldo.Expense));
statistic.Income.Add(saldo.Income);
statistic.Date.Add(today.ToString("yyyy-MM"));
today = today.AddMonths(-1);
}
return(statistic);
}
private async Task <MonthSaldo> CountMonthSaldo(Guid userId, int month, int year)
{
List <Operation> operations = await GetUserOperations(userId, month, year);
MonthSaldo saldo = new MonthSaldo(0, 0, 0);
operations.ForEach(o =>
{
saldo.Saldo += o.Price;
if (o.Price > 0)
{
saldo.Income += o.Price;
}
else
{
saldo.Expense += o.Price;
}
});
return(saldo);
}