public LibraryLog Update(LibraryLog t)
{
LibraryLog f = Get(t.Id);
if (f == null)
{
throw new ArgumentNullException($"Log Details with id {t.Id} does not exist or its deleted");
}
libraryLogs.Remove(t);
if (t.Id <= 0)
{
throw new ArgumentException("Invalid Log Details Item Id");
}
f.BookNo = t.BookNo;
f.BookName = t.BookName;
f.MemberName = t.MemberName;
f.MobileNo = t.MobileNo;
f.Address = t.Address;
f.CheckedOutDate = t.CheckedOutDate;
f.ReturnedDate = t.ReturnedDate;
f = DbStore.Save <LibraryLog>(f);
return(f);
}
public void Delete(long id)
{
LibraryLog r = Get(id);
DbStore.Delete <LibraryLog>(r);
libraryLogs.Remove(r);
}
public LibraryLog Add(LibraryLog t)
{
if (!IsDuplicate(t))
{
t.Id = 0;
var ret = DbStore.Save <LibraryLog>(t);
if (ret != null)
{
libraryLogs.Add(ret);
}
return(ret);
}
else
{
throw new DuplicateItemException("Log details already exists");
}
}
bool IsDuplicate(LibraryLog r)
{
return(libraryLogs.Exists(d => (d.BookNo == r.BookNo && d.Id == r.Id && d.CheckedOutDate == r.CheckedOutDate)));
}