[ic] [PATCH] Accept scratch variable in simple search with bar_link

[interchange-users@interchange.redhat.com (Doug Alcorn)]

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This is something I've done twice now.  This version is pretty
straight forward.  In the admin UI for the site layout you can specify
a simple search for the categories.  Typically this affects the
left-side links, but also some of the top links.  The usage is
something like this:

category=foobar

This does a search on the products table where "category=foobar" or
"sf=categroy/se=foobar".  OK, I think we all understand the way that
works.  What I've done is change it where you can add scratch
variables to the list of simple searches like this:

category=foobar
prod_group=[scratch my_prod_group]

The purpose is to let the user fill out a form somewhere that sets a
scratch variable.  You can then use that scratch variable to do
selective searches.  In my case, I'm building a cellphone accessories
catalog and want to limit category searches to those items that are
compatible with the shopper's phone.

Anyway, it's a simple patch to the bar_link sub.  I hope that either
1) Mike will commit this change to CVS so the next release of IC will
support this; or 2) Someone will come back with a way for me to make
this change local to a catalog so I don't have to keep patching IC
with each release. :)


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Content-Type: text/x-patch
Content-Disposition: attachment; filename=catalog_before.patch
Content-Description: Make bar_link parse scratch variables on simple searches

--- /usr/lib/interchange/catalog_before.cfg	Sat Dec  1 17:21:24 2001
+++ catalog_before.cfg	Sat Feb 23 15:00:33 2002
@@ -129,6 +129,11 @@
 			push @out, "co=yes";
 			for(@items) {
 				my ($col, $string) = split /\s*=\s*/;
+				if ($string =~ /\[scratch (\w+)\]/) {
+					my $variable = $1;
+					next unless ($Scratch->{$variable});
+					$string = $Scratch->{$variable};
+				}
 				push @out, "sf=$col";
 				push @out, "se=$string";
 			}

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-- 
 (__) Doug Alcorn (mailto:doug@lathi.net http://www.lathi.net)
 oo / PGP 02B3 1E26 BCF2 9AAF 93F1  61D7 450C B264 3E63 D543
 |_/  If you're a capitalist and you have the best goods and they're
      free, you don't have to proselytize, you just have to wait. 

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