[interchange-cvs] interchange - heins modified lib/Vend/Interpolate.pm

[interchange-core@icdevgroup.org]

User:      heins
Date:      2002-11-14 19:29:04 GMT
Modified:  lib/Vend Interpolate.pm
Log:
* Add "calculated" filter which allows a calculated field:

	return $CGI->{cost} * $Variable->{COST_TO_PRICE_RATIO};

  Must come from a database (never a CGI, of course). Specified
  like lookup:

  	   calculated.mv_metadata.field.formula::cost

Revision  Changes    Path
2.129     +14 -2     interchange/lib/Vend/Interpolate.pm


rev 2.129, prev_rev 2.128
Index: Interpolate.pm
===================================================================
RCS file: /var/cvs/interchange/lib/Vend/Interpolate.pm,v
retrieving revision 2.128
retrieving revision 2.129
diff -u -r2.128 -r2.129
--- Interpolate.pm	9 Nov 2002 06:02:03 -0000	2.128
+++ Interpolate.pm	14 Nov 2002 19:29:04 -0000	2.129
@@ -1,6 +1,6 @@
 # Vend::Interpolate - Interpret Interchange tags
 # 
-# $Id: Interpolate.pm,v 2.128 2002/11/09 06:02:03 mheins Exp $
+# $Id: Interpolate.pm,v 2.129 2002/11/14 19:29:04 mheins Exp $
 #
 # Copyright (C) 1996-2002 Red Hat, Inc. <interchange@redhat.com>
 #
@@ -27,7 +27,7 @@
 require Exporter;
 @ISA = qw(Exporter);
 
-$VERSION = substr(q$Revision: 2.128 $, 10);
+$VERSION = substr(q$Revision: 2.129 $, 10);
 
 @EXPORT = qw (
 
@@ -856,6 +856,18 @@
 	'cgi' =>	sub { return $CGI::values{$_[0]}; },
 	'filesafe' =>	sub {
 						return Vend::Util::escape_chars(shift);
+				},
+	'calculated' =>	sub {
+						my ($val, $tag, $table, $column, $key, $indirect) = @_;
+						$key = $CGI::values{$indirect}
+							if $indirect;
+						my $code = tag_data($table, $column, $key);
+						$code =~ s/\r/\n/g;
+#::logDebug("calculated code=$code");
+						$s = $val;
+						my $result = $ready_safe->reval($code);
+#::logDebug("calculated result='$result'");
+						return $result;
 				},
 	'mime_type' =>	sub {
 						return Vend::Util::mime_type(shift);