internal async Task SetInvoice(int data)
{
if (data > 0)
{
var invoice = await MainVM.InvoiceCollections.GetItemById(data);
if (invoice != null)
{
this.CreateDate = invoice.CreateDate;
this.Customer = invoice.Customer;
this.CustomerId = invoice.CustomerId;
this.CustomerSelectedItem = invoice.Customer;
this.DeadLine = invoice.DeadLine;
this.DeliveryDate = invoice.DeliveryDate;
this.Id = invoice.Id;
this.InvoicePayType = invoice.InvoicePayType;
this.InvoiceStatus = invoice.InvoiceStatus;
this.IsDelivery = invoice.IsDelivery;
this.Number = invoice.Number;
this.PaidDate = invoice.PaidDate;
this.ReciveDate = invoice.ReciveDate;
this.ReciverBy = invoice.ReciverBy;
this.Tax = invoice.Tax;
await Task.Delay(3000);
foreach (var item in invoice.Invoicedetail)
{
item.IsSelected = true;
this.Invoicedetail.Add(item);
}
this.SourceView.Refresh();
}
}
else
{
this.Invoicedetail.Clear();
this.CreateDate = DateTime.Now;
this.Customer = null;
this.CustomerId = 0;
this.CustomerSelectedItem = null;
this.DeadLine = CreateDate.AddMonths(1);
this.DeliveryDate = null;
this.Id = 0;
this.InvoicePayType = InvoicePayType.None;
this.InvoiceStatus = InvoiceStatus.None;
this.IsDelivery = false;
this.Number = 0;
this.PaidDate = null;
this.ReciveDate = null;
this.ReciverBy = string.Empty;
this.Tax = 0;
await Task.Delay(3000);
this.SourceView.Refresh();
}
}
/// <summary>
/// Adds item to invoice items list if within valid range of dates
/// </summary>
/// <param name="item">Item to add to items list</param>
public void AddItem(InvoiceItem item)
{
var minDate = CreateDate.AddMonths(-1);
var daysInPreviousMonth = DateTime.DaysInMonth(minDate.Year, minDate.Month);
minDate = new DateTime(minDate.Year, minDate.Month, daysInPreviousMonth - 5);
if (item.ServiceDate < minDate || item.ServiceDate >= CreateDate)
{
ValidationMessage = "Item falls outside the range of valid dates for this invoice";
}
else
{
Items.Add(item);
}
}