private void reserveBtn_Click(object sender, EventArgs e)
{
try
{
Model.Item item = controller.GetItem(int.Parse(itemIdTB.Text.Trim()));
if (item == null)
{
updateMsg("The requested item does not exist.", true);
return;
}
Model.Borrower borrower = controller.GetBorrower(int.Parse(borrowerIdTB.Text.Trim()));
if (borrower == null)
{
updateMsg(string.Format("A customer with the id {0}\r\ndoes not exist.", borrowerIdTB.Text), true);
return;
}
Model.State itemState = item.State;
if (itemState == Model.State.Available)
{
updateMsg("The requested item is currently available.", true);
}
else
{
controller.Reserve(borrower.Id, item.ItemId);
updateMsg("Reserved successfully.", false);
}
}
catch (FormatException ex)
{
Console.WriteLine(ex.StackTrace);
updateMsg("Invalid input format.", true);
}
}
private void removeBtn_Click(object sender, EventArgs e)
{
try
{
int id = int.Parse(borrowerIdTB.Text);
if (controller.RemoveItem(id))
{
updateMsg((controller.GetBorrower(id) is Model.Student ? "Student" : "Teacher") + " successfully deleted.", false);
}
else
{
updateMsg("Borrower does not exist.", true);
}
}
catch (FormatException ex)
{
updateMsg("Invalid Format", true);
}
}