[Zope] Searching ZCatalog on multiple properties

[Andy McKay]

Setting variables in the REQUEST is bad but always works reliably. These can
be set in the form that posts to the search (see Zope.org) or as a last
resort do:

<dtml-call "REQUEST.set('Column', 'Category')">
<dtml-in NewsCatalog>


--
  Andy McKay.


----- Original Message -----
From: "Chris Muldrow" <muldrow@mac.com>
To: <zope@zope.org>
Sent: Thursday, February 15, 2001 11:24 AM
Subject: [Zope] Searching ZCatalog on multiple properties


> I've got some DTML Documents with properties Category and Author, and I'm
> trying to build a search interface for ZCatalog. What I want to do is
build
> a multiple select list of the Author's names, but I want to use the
Category
> to only display the names of People who have written columns. As an added
> wrinkle, the Author field present on the files corresponds to an "expanded
> name" sitting in a mysql DB. In other words, a column I've written might
> have cmuldrow in the Author property--I query the DB to return Chris
Muldrow
> to display to searchers.
>
> Here's my code so far--it queries the DB correctly and returns a good list
> of names, but not filtered by Category. I tried a dtml-in tag calling
> NewsCatalog({'Category':'Column'}), but wherever I put it doesn't seem to
> work.
> Any ideas? Thanks! Chris Muldrow muldrow@mac.com
>
> <dtml-var standard_html_header>
> <h2><dtml-var title_or_id> </h2>
>
> <form action="ColumnistFind" method="get">
> <select name="User" size=10 MULTIPLE>
>
> <dtml-in expr="uniqueValuesFor('User')">
> <dtml-let authName=sequence-item>
>
> <option value="<dtml-var sequence-item>"><dtml-in
> expr="SearchAuthors(user=authName)"><dtml-var
> authorName></dtml-in></options>
>
> </dtml-let>
> </dtml-in>
>
> <input type="submit" name="Search" value="Submit query">
> </select>
> </form>
>
> <dtml-var standard_html_footer>
>
>
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