+ my $anchor;
+ if ($n == 1) {
+ $n = '';
+ $anchor = '#u'; # top of only message
+ } else {
+ $n = " ($n+ messages)";
+ $anchor = '#t'; # thread skeleton
+ }
+
+ my $mbox = qq(<a\nhref="$href/t.mbox.gz">mbox.gz</a>);
+ my $atom = qq(<a\nhref="$href/t.atom">Atom</a>);
+ my $s = "<a\nhref=\"$href/T/$anchor\"><b>$top</b></a>\n" .
+ " $ds UTC $n - $mbox / $atom\n";
+ for (my $i = 0; $i < scalar(@ex); $i += 2) {
+ my $level = $ex[$i];
+ my $subj = $ex[$i + 1];
+ $mid = delete $seen->{$subj};
+ my @subj = split(/ /, $srch->subject_normalized($subj));
+ my @next_prev = @subj; # full copy
+ my $omit = dedupe_subject($prev_subj, \@subj, ' "');
+ $prev_subj = \@next_prev;
+ $subj = ascii_html(join(' ', @subj));
+ obfuscate_addrs($obfs_ibx, $subj) if $obfs_ibx;
+ $href = mid_escape($mid);
+ $s .= indent_for($level) . TCHILD;
+ $s .= "<a\nhref=\"$href/T/#u\">$subj</a>$omit\n";
+ }
+ push @out, $s;
+ }
+ $ctx->{-html_tip} = '<pre>' . join("\n", @out) . '</pre>';
+ 200;
+}
+
+sub ts2str ($) {
+ my ($ts) = @_;
+ POSIX::strftime('%Y%m%d%H%M%S', gmtime($ts));
+}
+
+sub str2ts ($) {
+ my ($yyyy, $mon, $dd, $hh, $mm, $ss) = unpack('A4A2A2A2A2A2', $_[0]);
+ timegm($ss, $mm, $hh, $dd, $mon - 1, $yyyy);
+}
+
+sub pagination_footer ($$) {
+ my ($ctx, $latest) = @_;
+ delete $ctx->{qp} or return;
+ my $next = $ctx->{next_page} || '';
+ my $prev = $ctx->{prev_page} || '';
+ if ($prev) {
+ $next = $next ? "$next " : ' ';
+ $prev .= qq! <a\nhref='$latest'>latest</a>!;
+ }
+ "<hr><pre>page: $next$prev</pre>";
+}
+
+sub index_nav { # callback for WwwStream
+ my (undef, $ctx) = @_;
+ pagination_footer($ctx, '.')
+}
+
+sub paginate_recent ($) {
+ my ($ctx) = @_;
+ my $t = $ctx->{qp}->{t} || '';
+ my $lim = 200; # this is our window
+ my $opts = { limit => $lim };
+ my ($after, $before);
+
+ # Xapian uses '..' but '-' is perhaps friendier to URL linkifiers
+ # if only $after exists "YYYYMMDD.." because "." could be skipped
+ # if interpreted as an end-of-sentence
+ $t =~ s/\A(\d{8,14})-// and $after = str2ts($1);
+ $t =~ /\A(\d{8,14})\z/ and $before = str2ts($1);
+
+ my $ibx = $ctx->{-inbox};
+ my $msgs = $ibx->recent($opts, $after, $before);
+ my $nr = scalar @$msgs;
+ if ($nr < $lim && defined($after)) {
+ $after = $before = undef;
+ $msgs = $ibx->recent($opts);
+ $nr = scalar @$msgs;
+ }
+ my $more = $nr == $lim;
+ my ($newest, $oldest);
+ if ($nr) {
+ $newest = $msgs->[0]->{ts};
+ $oldest = $msgs->[-1]->{ts};
+ # if we only had $after, our SQL query in ->recent ordered
+ if ($newest < $oldest) {
+ ($oldest, $newest) = ($newest, $oldest);
+ $more = 0 if defined($after) && $after < $oldest;