[Zope-dev] ZPatterns and Book Cataloging (was: Using Zope for Groupware/Messaging applications)

[R. David Murray]

On Sun, 18 Feb 2001, Michael R. Bernstein wrote:
> How are you entering the data into the system? Specifically,
> how are you *normalizing* the Author and book information?

I don't know what you mean by normalizing, I'm afraid.

The data is stored and upated in the external Paradox database,
which I then import into PostgreSQL using a Paradox-to-SQL converter
and some bash scripts.

> I'm working on a ZPatterns based book cataloging
> application, and right now I'm storing 'Book' objects with
> the author names as a 'lines' property in the ZClass.
> 
> I'd like to change this so 'Author' objects are created and
> stored in their own Specialist when a book is added, but I'm
> not sure how.

I'm not sure I understand what the issue is.  Can't you just, when
data is entered to create a Book, query the Authors specialist to
see if the Author exists and create it if it doesn't?

--RDM