From 90e1688ef09332be00b31278f8d5ee7703ac81b2 Mon Sep 17 00:00:00 2001
From: "jocuri%softhome.net" <>
Date: Tue, 28 Feb 2006 22:39:00 +0000
Subject: Patch for bug 298341: Implement code hook mechanism; patch by
 zach@zachlipton.com, r=timeless, a=justdave.

---
 Bugzilla/Template/Plugin/Hook.pm | 60 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 59 insertions(+), 1 deletion(-)

(limited to 'Bugzilla/Template/Plugin')

diff --git a/Bugzilla/Template/Plugin/Hook.pm b/Bugzilla/Template/Plugin/Hook.pm
index b189c5d26..bcfda1e5b 100644
--- a/Bugzilla/Template/Plugin/Hook.pm
+++ b/Bugzilla/Template/Plugin/Hook.pm
@@ -18,12 +18,19 @@
 # Rights Reserved.
 #
 # Contributor(s): Myk Melez <myk@mozilla.org>
+#                 Zach Lipton <zach@zachlipton.com>
 #
 
 package Bugzilla::Template::Plugin::Hook;
 
 use strict;
 
+use Bugzilla::Config;
+use Bugzilla::Template;
+use Bugzilla::Util;
+use Bugzilla::Error;
+use File::Spec;
+
 use base qw(Template::Plugin);
 
 sub load {
@@ -42,7 +49,38 @@ sub process {
     my $paths = $self->{_CONTEXT}->{LOAD_TEMPLATES}->[0]->paths;
     my $template = $self->{_CONTEXT}->stash->{component}->{name};
     my @hooks = ();
+    
+    # sanity check:
+    if (!$template =~ /[\w\.\/\-_\\]+/) {
+        ThrowCodeError("Template with invalid file name found in hook call: $template");
+    }
 
+    # also get extension hook files that live in extensions/:
+    # parse out the parts of the template name
+    my ($vol, $subpath, $filename) = File::Spec->splitpath($template);
+    $subpath = $subpath || '';
+    $filename =~ m/(.*)\.(.*)\.tmpl/;
+    my $templatename = $1;
+    my $type = $2;
+    # munge the filename to create the extension hook filename:
+    my $extensiontemplate = $subpath.'/'.$templatename.'-'.$hook_name.'.'.$type.'.tmpl';
+    my @extensions = glob($Bugzilla::Config::extensionsdir."/*");
+    my @usedlanguages = getLanguages();
+    foreach my $extension (@extensions) {
+        foreach my $language (@usedlanguages) {
+            my $file = $extension.'/template/'.$language.'/'.$extensiontemplate;
+            if (-e $file) {
+                # tt is stubborn and won't take a template file not in its
+                # include path, so we open a filehandle and give it to process()
+                # so the hook gets invoked:
+                open (my $fh, $file);
+                push(@hooks, $fh);
+            }
+        }
+    }
+    
+    # we keep this too since you can still put hook templates in 
+    # template/en/custom/hook
     foreach my $path (@$paths) {
         my @files = glob("$path/hook/$template/$hook_name/*.tmpl");
 
@@ -65,6 +103,24 @@ sub process {
     return $output;
 }
 
+# get a list of languages we accept so we can find the hook 
+# that corresponds to our desired languages:
+sub getLanguages() {
+    my $languages = trim(Param('languages'));
+    if (not ($languages =~ /,/)) { # only one language
+        return $languages;
+    }
+    my @languages       = Bugzilla::Template::sortAcceptLanguage($languages);
+    my @accept_language = Bugzilla::Template::sortAcceptLanguage($ENV{'HTTP_ACCEPT_LANGUAGE'} || "" );
+    my @usedlanguages;
+    foreach my $lang (@accept_language) {
+        if(my @found = grep /^\Q$lang\E(-.+)?$/i, @languages) {
+            push (@usedlanguages, @found);
+        }
+    }
+    return @usedlanguages;
+}
+
 1;
 
 __END__
@@ -79,5 +135,7 @@ Template Toolkit plugin to process hooks added into templates by extensions.
 
 =head1 SEE ALSO
 
-L<Template::Plugin>,
+L<Template::Plugin>
+L<Customization.xml in the Bugzilla Guide>
 L<http://bugzilla.mozilla.org/show_bug.cgi?id=229658>
+L<http://bugzilla.mozilla.org/show_bug.cgi?id=298341>
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