public static void BookNoteSave(BookDataContext bookdb, UserNote note)
{
var bn = CommonQueries.BookNotesFind(bookdb, note.BookId);
if (bn == null)
{
bn = new BookNotes();
bn.BookId = note.BookId;
CommonQueries.BookNotesAdd(bookdb, bn, CommonQueries.ExistHandling.IfNotExists);
bn = CommonQueries.BookNotesFind(bookdb, note.BookId);
}
if (note.Id == 0) // Hasn't been saved before. The id is 0.
{
bn.Notes.Add(note);
}
CommonQueries.BookSaveChanges(bookdb);
}
public static int BookNotesAdd(BookDataContext bookdb, BookNotes bn, ExistHandling handling)
{
int retval = 0;
NQueries++;
var book = BookGet(bookdb, bn.BookId);
if (book == null)
{
return(retval);
}
switch (handling)
{
case ExistHandling.IfNotExists:
if (book.Notes == null)
{
book.Notes = bn;
retval++;
}
break;
}
return(retval);
}
