+ $$res .= qq{$rank. <b><a\nhref="$mid/">}.
+ $s . "</a></b>\n";
+ $$res .= "$pfx - by $f @ $ts UTC [$pct%]\n\n";
+ }
+}
+
+sub err_txt {
+ my ($ctx, $err) = @_;
+ my $u = '//xapian.org/docs/queryparser.html';
+ $u = PublicInbox::Hval::prurl($ctx->{cgi}->{env}, $u);
+ $err =~ s/^\s*Exception:\s*//; # bad word to show users :P
+ $err = ascii_html($err);
+ "\n\nBad query: <b>$err</b>\n" .
+ qq{See <a\nhref="$u">$u</a> for Xapian query syntax};
+}
+
+sub search_nav_top {
+ my ($mset, $q) = @_;
+
+ my $rv = "Search results ordered by [";
+ if ($q->{r}) {
+ my $d = $q->qs_html(r => 0);
+ $rv .= qq{<a\nhref="?$d">date</a>|<b>relevance</b>};
+ } else {
+ my $d = $q->qs_html(r => 1);
+ $rv .= qq{<b>date</b>|<a\nhref="?$d">relevance</a>};
+ }
+
+ $rv .= '] view[';
+
+ my $x = $q->{x};
+ if ($x eq '') {
+ my $t = $q->qs_html(x => 't');
+ $rv .= qq{<b>summary</b>|<a\nhref="?$t">threaded</a>}
+ } elsif ($q->{x} eq 't') {
+ my $s = $q->qs_html(x => '');
+ $rv .= qq{<a\nhref="?$s">summary</a>|<b>threaded</b>};
+ }
+ my $A = $q->qs_html(x => 'A', r => undef);
+ $rv .= qq{|<a\nhref="?$A">Atom feed</a>]};
+}
+
+sub search_nav_bot {
+ my ($mset, $q) = @_;
+ my $total = $mset->get_matches_estimated;
+ my $nr = scalar $mset->items;
+ my $o = $q->{o};
+ my $end = $o + $nr;
+ my $beg = $o + 1;
+ my $rv = "<hr /><pre>Results $beg-$end of $total";
+ my $n = $o + $LIM;
+
+ if ($n < $total) {
+ my $qs = $q->qs_html(o => $n);
+ $rv .= qq{, <a\nhref="?$qs"\nrel=next>next</a>}
+ }
+ if ($o > 0) {
+ $rv .= $n < $total ? '/' : ', ';
+ my $p = $o - $LIM;
+ my $qs = $q->qs_html(o => ($p > 0 ? $p : 0));
+ $rv .= qq{<a\nhref="?$qs"\nrel=prev>prev</a>};
+ }
+ $rv;
+}
+
+sub tdump {
+ my ($cb, $res, $mset, $q, $ctx) = @_;
+ my $fh = $cb->([200, ['Content-Type'=>'text/html; charset=UTF-8']]);
+ $fh->write($res .= '</pre>');
+ my %pct;
+ my @m = map {
+ my $i = $_;
+ my $m = PublicInbox::SearchMsg->load_doc($i->get_document);
+ $pct{$m->mid} = $i->get_percent;
+ $m = $m->mini_mime;
+ $m;
+ } ($mset->items);
+
+ my @rootset;
+ my $th = PublicInbox::Thread->new(@m);
+ $th->thread;
+ if ($q->{r}) { # order by relevance
+ $th->order(sub {
+ sort { (eval { $pct{$b->topmost->messageid} } || 0)
+ <=>
+ (eval { $pct{$a->topmost->messageid} } || 0)
+ } @_;
+ });
+ } else { # order by time (default for threaded view)
+ $th->order(*PublicInbox::View::sort_ts);
+ }
+ @rootset = $th->rootset;
+ my $git = $ctx->{git} ||= PublicInbox::Git->new($ctx->{git_dir});
+ my $state = {
+ ctx => $ctx,
+ anchor_idx => 0,
+ pct => \%pct,
+ cur_level => 0,
+ fh => $fh,
+ };
+ $ctx->{searchview} = 1;
+ tdump_ent($git, $state, $_, 0) for @rootset;
+ PublicInbox::View::thread_adj_level($state, 0);
+
+ $fh->write(search_nav_bot($mset, $q). "\n\n" .
+ foot($ctx). '</pre></body></html>');
+
+ $fh->close;
+}
+
+sub tdump_ent {
+ my ($git, $state, $node, $level) = @_;
+ return unless $node;
+ my $mime = $node->message;
+
+ if ($mime) {
+ # lazy load the full message from mini_mime:
+ my $mid = mid_mime($mime);
+ $mime = eval {
+ my $path = mid2path(mid_clean($mid));
+ Email::MIME->new($git->cat_file('HEAD:'.$path));
+ };
+ }
+ if ($mime) {
+ my $end = PublicInbox::View::thread_adj_level($state, $level);
+ PublicInbox::View::index_entry($mime, $level, $state);
+ $state->{fh}->write($end) if $end;
+ } else {
+ my $mid = $node->messageid;
+ PublicInbox::View::ghost_flush($state, '', $mid, $level);
+ }
+ tdump_ent($git, $state, $node->child, $level + 1);
+ tdump_ent($git, $state, $node->next, $level);
+}
+
+sub foot {
+ my ($ctx) = @_;
+ my $foot = $ctx->{footer} || '';
+ qq{Back to <a\nhref=".">index</a>.\n$foot};
+}
+
+sub html_start {
+ my ($q, $ctx) = @_;
+ my $qh = ascii_html($q->{'q'});
+ my $A = $q->qs_html(x => 'A', r => undef);
+ my $res = '<html><head>' . PublicInbox::Hval::STYLE .
+ "<title>$qh - search results</title>" .
+ qq{<link\nrel=alternate\ntitle="Atom feed"\n} .
+ qq!href="?$A"\ntype="application/atom+xml"/></head>! .
+ qq{<body><form\naction="">} .
+ qq{<input\nname=q\nvalue="$qh"\ntype=text />};
+
+ $res .= qq{<input\ntype=hidden\nname=r />} if $q->{r};
+ if (my $x = $q->{x}) {
+ $x = ascii_html($x);
+ $res .= qq{<input\ntype=hidden\nname=x\nvalue="$x" />};
+ }
+
+ $res .= qq{<input\ntype=submit\nvalue=search /></form>};
+}
+
+sub adump {
+ my ($cb, $mset, $q, $ctx) = @_;
+ my $fh = $cb->([ 200, ['Content-Type' => 'application/atom+xml']]);
+ my $git = $ctx->{git} ||= PublicInbox::Git->new($ctx->{git_dir});
+ my $feed_opts = PublicInbox::Feed::get_feedopts($ctx);
+ my $x = ascii_html($q->{'q'});
+ $x = qq{$x - search results};
+ $feed_opts->{atomurl} = $feed_opts->{url} . '?'. $q->qs_html;
+ $feed_opts->{url} .= '?'. $q->qs_html(x => undef);
+ $x = PublicInbox::Feed::atom_header($feed_opts, $x);
+ $fh->write($x. PublicInbox::Feed::feed_updated());
+
+ for ($mset->items) {
+ $x = PublicInbox::SearchMsg->load_doc($_->get_document)->mid;
+ $x = mid2path($x);
+ PublicInbox::Feed::add_to_feed($feed_opts, $fh, $x, $git);
+ }
+ PublicInbox::Feed::end_feed($fh);
+}
+
+package PublicInbox::SearchQuery;
+use strict;
+use warnings;
+use PublicInbox::Hval;
+
+sub new {
+ my ($class, $cgi) = @_;
+ my $r = $cgi->param('r');
+ my ($off) = (($cgi->param('o') || '0') =~ /(\d+)/);
+ bless {
+ q => $cgi->param('q'),
+ x => $cgi->param('x') || '',
+ o => $off,
+ r => (defined $r && $r ne '0'),
+ }, $class;
+}
+
+sub qs_html {
+ my ($self, %over) = @_;
+
+ if (keys %over) {
+ my $tmp = bless { %$self }, ref($self);
+ foreach my $k (keys %over) {
+ $tmp->{$k} = $over{$k};
+ }
+ $self = $tmp;
+ }
+
+ my $q = PublicInbox::Hval->new($self->{'q'})->as_href;
+ $q =~ s/%20/+/g; # improve URL readability
+ my $qs = "q=$q";
+
+ if (my $o = $self->{o}) { # ignore o == 0
+ $qs .= "&o=$o";
+ }
+ if (my $r = $self->{r}) {
+ $qs .= "&r";
+ }
+ if (my $x = $self->{x}) {
+ $qs .= "&x=$x" if ($x eq 't' || $x eq 'A');