private CashFlow GetCashFlowStatisticItems(List<PaymentViewModel> payments)
{
var income = new StatisticItem
{
Category = Strings.RevenueLabel,
Value = payments.Where(x => x.Type == PaymentType.Income).Sum(x => x.Amount)
};
income.Label = income.Category + ": " +
Math.Round(income.Value, 2, MidpointRounding.AwayFromZero).ToString("C");
var spent = new StatisticItem
{
Category = Strings.ExpenseLabel,
Value = payments.Where(x => x.Type == PaymentType.Expense).Sum(x => x.Amount)
};
spent.Label = spent.Category + ": " +
Math.Round(spent.Value, 2, MidpointRounding.AwayFromZero).ToString("C");
var increased = new StatisticItem
{
Category = Strings.IncreaseLabel,
Value = income.Value - spent.Value
};
increased.Label = increased.Category + ": " +
Math.Round(increased.Value, 2, MidpointRounding.AwayFromZero).ToString("C");
return new CashFlow
{
Income = income,
Expense = spent,
Revenue = increased
};
}
private void AddOtherItem(IEnumerable<StatisticItem> tempStatisticList,
ICollection<StatisticItem> statisticList)
{
if (statisticList.Count < 6)
{
return;
}
var othersItem = new StatisticItem
{
Category = "Others",
Value = tempStatisticList
.Where(x => !statisticList.Contains(x))
.Sum(x => x.Value)
};
othersItem.Label = othersItem.Category + ": " + othersItem.Value;
if (othersItem.Value > 0)
{
statisticList.Add(othersItem);
}
}