//Search for Copies of the Item by relevant parameters
//Excluding the ISBN, which is unique for each Item
private void btnQuantity_Click(object sender, RoutedEventArgs e)
{
//Get the Item to search for from the DataGrid
AbstractItem item = (AbstractItem)dataLib.SelectedItem;
//Show the result of the Message Box
GuiMsgs.Info($"The quantity of this {item.ItemType} is {mainLibrary.ItemQuantity(item)}");
}
/// <summary>
/// Check if User from DataGrid is the current User
/// </summary>
/// <returns>If the User is current - true, opposite - false</returns>
private bool IsCurrentUser()
{
//if the user is current - prevent deletion or editing
if (MainWindow.mainLibrary.LibraryUsers.CurrentUser.Name == ((User)dataUsers.SelectedItem).Name)
{
GuiMsgs.Info("Deletion or Editing of Current user is\nFORBIDDEN!");
return(true);
}
//if the user is main user - also prevent deletion or editing
if (((User)dataUsers.SelectedItem).Name == "BigBoss")
{
GuiMsgs.Info("Deletion or Editing of the 'Big Boss' is\nFORBIDDEN!\nThis is the Main User,\nSo It's Impossible to Delete him");
return(true);
}
else
{
return(false);
}
}