public static decimal CashFlowAmountForMonth(this Budget budget)
{
return(budget.CashFlowAmountForMonth(DateTime.Now.Year, DateTime.Now.Month));
}
public static (DateTime startDate, IEnumerable <IEnumerable <CashFlow> > cashFlows) DailyCashflowsForMonth(this Budget budget, int year, int month)
{
var startDate = new DateTime(year, month, 1);
startDate = startDate.AddDays(-(((int)startDate.DayOfWeek + 6) % 7));
var endDate = startDate.AddDays(7 * 6 - 1);
return(startDate, budget.DailyCashFlowsBetween(startDate, endDate));
}
public static (DateTime startDate, IEnumerable <IEnumerable <CashFlow> > cashFlows) DailyCashflowsForMonth(this Budget budget)
{
return(budget.DailyCashflowsForMonth(DateTime.Now.Year, DateTime.Now.Month));
}
public static decimal CashFlowAmountBetween(this Budget budget, DateTime startDate, DateTime endDate)
{
return(budget.DailyCashFlowsBetween(startDate, endDate)
.SelectMany(x => x)
.Sum(x => x.Amount));
}