www: improve navigation around contemporary threads

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

diff --git a/lib/PublicInbox/WwwStream.pm b/lib/PublicInbox/WwwStream.pm
index d79770ed1d82b8dbd484ca84dbf445962116bef8..e06e3456ae19cbf163fcae457cce533f58bf33c0 100644 (file)
--- a/lib/PublicInbox/WwwStream.pm
+++ b/lib/PublicInbox/WwwStream.pm
@@ -10,7 +10,7 @@ use strict;
 use parent qw(Exporter PublicInbox::GzipFilter);
 our @EXPORT_OK = qw(html_oneshot);
 use bytes (); # length
-use PublicInbox::Hval qw(ascii_html prurl);
+use PublicInbox::Hval qw(ascii_html prurl ts2str);
 our $TOR_URL = 'https://www.torproject.org/';
 our $CODE_URL = 'https://public-inbox.org/public-inbox.git';
 
@@ -43,6 +43,13 @@ sub html_top ($) {
        my $color = $upfx.'_/text/color';
        my $atom = $ctx->{-atom} || $upfx.'new.atom';
        my $top = "<b>$desc</b>";
+       if (my $t_max = $ctx->{-t_max}) {
+               $t_max = ts2str($t_max);
+               $top = qq(<a\nhref="$upfx?t=$t_max">$top</a>);
+       # we had some kind of query, link to /$INBOX/?t=YYYYMMDDhhmmss
+       } elsif ($ctx->{qp}->{t}) {
+               $top = qq(<a\nhref="./">$top</a>);
+       }
        my $links = "<a\nhref=\"$help\">help</a> / ".
                        "<a\nhref=\"$color\">color</a> / ".
                        "<a\nhref=\"$atom\">Atom feed</a>";