From b259c4b4252cde8e7926690f6ba419d2ee7c59fc Mon Sep 17 00:00:00 2001
From: "bbaetz%acm.org" <>
Date: Wed, 2 Apr 2003 20:35:00 +0000
Subject: Bug 199813 - Make all users of ThrowUserError pass $vars in
 explicitly. r=gerv a=justdave

---
 Bugzilla/Error.pm | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 Bugzilla/Error.pm

(limited to 'Bugzilla/Error.pm')

diff --git a/Bugzilla/Error.pm b/Bugzilla/Error.pm
new file mode 100644
index 000000000..64314121a
--- /dev/null
+++ b/Bugzilla/Error.pm
@@ -0,0 +1,93 @@
+# -*- Mode: perl; indent-tabs-mode: nil -*-
+#
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is the Bugzilla Bug Tracking System.
+#
+# The Initial Developer of the Original Code is Netscape Communications
+# Corporation. Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation. All
+# Rights Reserved.
+#
+# Contributor(s): Bradley Baetz <bbaetz@acm.org>
+
+use strict;
+
+package Bugzilla::Error;
+
+use base qw(Exporter);
+
+@Bugzilla::Error::EXPORT = qw(ThrowUserError);
+
+sub ThrowUserError {
+    my ($error, $vars, $unlock_tables) = @_;
+
+    $vars ||= {};
+
+    $vars->{error} = $error;
+
+    # Need to do this until User.pm goes in, so that the footer is correct
+    $vars->{user} = $::vars->{user};
+
+    Bugzilla->dbh->do("UNLOCK TABLES") if $unlock_tables;
+
+    # XXX - mod_perl
+    print "Content-type: text/html\n\n" if !$::vars->{'header_done'};
+
+    my $template = Bugzilla->template;
+    $template->process("global/user-error.html.tmpl", $vars)
+      || &::ThrowTemplateError($template->error());
+
+    exit;
+}
+
+1;
+
+__END__
+
+=head1 NAME
+
+Bugzilla::Error - Error handling utilities for Bugzilla
+
+=head1 SYNOPSIS
+
+  use Bugzilla::Error;
+
+  ThrowUserError("error_tag",
+                 { foo => 'bar' });
+
+=head1 DESCRIPTION
+
+Various places throughout the Bugzilla codebase need to report errors to the
+user. The C<Throw*Error> family of functions allow this to be done in a
+generic and localisable manner.
+
+=head1 FUNCTIONS
+
+=over 4
+
+=item C<ThrowUserError>
+
+This function takes an error tag as the first argument, and an optional hashref
+of variables as a second argument. These are used by the
+I<global/user-error.html.tmpl> template to format the error, using the passed
+in variables as required.
+
+An optional third argument may be supplied. If present (and defined), then the
+error handling code will unlock the database tables. In the long term, this
+argument will go away, to be replaced by transactional C<rollback> calls. There
+is no timeframe for doing so, however.
+
+=back
+
+=head1 SEE ALSO
+
+L<Bugzilla|Bugzilla>
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