public List <Order> GetByDistinctYear(SortDateEnum sortDate, int year)
{
var service = new OrderService();
var orders = (List <Order>)service.GetAll();
var ordersOfYear = new List <Order>();
foreach (var ord in orders)
{
switch ((int)sortDate)
{
case 0:
if (ord.orderDate.Value.Year == year)
{
ordersOfYear.Add(ord);
}
break;
case 1:
if (ord.requiredDate.Value.Year == year)
{
ordersOfYear.Add(ord);
}
break;
case 2:
if (ord.shippedDate.Value.Year == year)
{
ordersOfYear.Add(ord);
}
break;
}
}
return(orders);
}
//Switch method
private List <DateTime> GetDateTimes(SortDateEnum sortDateEnum, List <Order> orders)
{
List <DateTime> datetime = new List <DateTime>();
foreach (var order in orders)
{
switch (sortDateEnum)
{
case SortDateEnum.orderDate: datetime.Add(Convert.ToDateTime(order.orderDate));
break;
case SortDateEnum.requiredDate: datetime.Add(Convert.ToDateTime(order.requiredDate));
break;
case SortDateEnum.shippedDate: datetime.Add(Convert.ToDateTime(order.shippedDate));
break;
}
}
return(datetime);
}
public List <Order> GetFilteredOrderStatistics(List <Order> orders, SortDateEnum SortDateCompareLeft, char DateCompareMode, SortDateEnum SortDateCompareRight)
{
var filteredOrders = new List <Order>();
var datesLeft = GetDateTimes(SortDateCompareLeft, orders);
var datesRight = GetDateTimes(SortDateCompareRight, orders);
//Checken welke operator er wordt gebruikt (=, > of <)
for (int i = 0; i < orders.Count; i++)
{
switch (DateCompareMode)
{
case '=':
if (datesLeft[i] == datesRight[i])
{
filteredOrders.Add(orders[i]);
}
break;
case '<':
if (datesLeft[i] < datesRight[i])
{
filteredOrders.Add(orders[i]);
}
break;
case '>':
if (datesLeft[i] > datesRight[i])
{
filteredOrders.Add(orders[i]);
}
break;
}
}
return(filteredOrders);
}
