www_listing: start updating for pagination + search

[public-inbox.git] / lib / PublicInbox / SearchQuery.pm

diff --git a/lib/PublicInbox/SearchQuery.pm b/lib/PublicInbox/SearchQuery.pm
index 0f360500a79c4c580b9c9e022457697aa409ae49..a6b7d8430b194ae7ff9be291928461fbae218e8c 100644 (file)
--- a/lib/PublicInbox/SearchQuery.pm
+++ b/lib/PublicInbox/SearchQuery.pm
@@ -1,7 +1,7 @@
 # Copyright (C) 2015-2021 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
-# used by PublicInbox::SearchView
+# used by PublicInbox::SearchView and PublicInbox::WwwListing
 package PublicInbox::SearchQuery;
 use strict;
 use v5.10.1;
@@ -32,11 +32,12 @@ sub qs_html {
        if (scalar(keys(%override))) {
                $self = bless { (%$self, %override) }, ref($self);
        }
-
-       my $q = uri_escape($self->{'q'}, MID_ESC);
-       $q =~ s/%20/+/g; # improve URL readability
-       my $qs = "q=$q";
-
+       my $qs = '';
+       if (defined(my $q = $self->{'q'})) {
+               $q = uri_escape($q, MID_ESC);
+               $q =~ s/%20/+/g; # improve URL readability
+               $qs .= "q=$q";
+       }
        if (my $o = $self->{o}) { # ignore o == 0
                $qs .= "&amp;o=$o";
        }