# Copyright (C) 2015 all contributors # License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt) # # Displays search results for the web interface package PublicInbox::SearchView; use strict; use warnings; use PublicInbox::SearchMsg; use PublicInbox::Hval qw/ascii_html/; use PublicInbox::View; use PublicInbox::MID qw(mid2path mid_mime mid_clean); use Email::MIME; require PublicInbox::Git; require PublicInbox::Thread; our $LIM = 50; sub noop {} sub sres_top_html { my ($ctx) = @_; my $q = PublicInbox::SearchQuery->new($ctx->{qp}); my $code = 200; # double the limit for expanded views: my $opts = { limit => $LIM, offset => $q->{o}, mset => 1, relevance => $q->{r}, }; my ($mset, $total); eval { $mset = $ctx->{srch}->query($q->{'q'}, $opts); $total = $mset->get_matches_estimated; }; my $err = $@; ctx_prepare($q, $ctx); my $cb; if ($err) { $code = 400; $ctx->{-html_tip} = '
'.err_txt($ctx, $err).'

'; $cb = *noop; } elsif ($total == 0) { $code = 404; $ctx->{-html_tip} = "
\n[No results found]

"; $cb = *noop; } else { my $x = $q->{x}; return sub { adump($_[0], $mset, $q, $ctx) } if ($x eq 'A'); $ctx->{-html_tip} = search_nav_top($mset, $q) . "\n\n"; if ($x eq 't') { $cb = mset_thread($ctx, $mset, $q); } else { $cb = mset_summary($ctx, $mset, $q); } } PublicInbox::WwwStream->response($ctx, $code, $cb); } # display non-threaded search results similar to what users expect from # regular WWW search engines: sub mset_summary { my ($ctx, $mset, $q) = @_; my $total = $mset->get_matches_estimated; my $pad = length("$total"); my $pfx = ' ' x $pad; my $res = \($ctx->{-html_tip}); foreach my $m ($mset->items) { my $rank = sprintf("%${pad}d", $m->get_rank + 1); my $pct = $m->get_percent; my $smsg = PublicInbox::SearchMsg->load_doc($m->get_document); my $s = ascii_html($smsg->subject); my $f = ascii_html($smsg->from_name); my $ts = PublicInbox::View::fmt_ts($smsg->ts); my $mid = PublicInbox::Hval->new_msgid($smsg->mid)->as_href; $$res .= qq{$rank. }. $s . "\n"; $$res .= "$pfx - by $f @ $ts UTC [$pct%]\n\n"; } $$res .= search_nav_bot($mset, $q); *noop; } sub err_txt { my ($ctx, $err) = @_; my $u = '//xapian.org/docs/queryparser.html'; $u = PublicInbox::Hval::prurl($ctx->{env}, $u); $err =~ s/^\s*Exception:\s*//; # bad word to show users :P $err = ascii_html($err); "\nBad query: $err\n" . qq{See $u for Xapian query syntax}; } sub search_nav_top { my ($mset, $q) = @_; my $rv = "
Search results ordered by [";
	if ($q->{r}) {
		my $d = $q->qs_html(r => 0);
		$rv .= qq{date|relevance};
	} else {
		my $d = $q->qs_html(r => 1);
		$rv .= qq{date|relevance};
	}

	$rv .= ']  view[';

	my $x = $q->{x};
	if ($x eq '') {
		my $t = $q->qs_html(x => 't');
		$rv .= qq{summary|threaded}
	} elsif ($q->{x} eq 't') {
		my $s = $q->qs_html(x => '');
		$rv .= qq{summary|threaded};
	}
	my $A = $q->qs_html(x => 'A', r => undef);
	$rv .= qq{|Atom feed]};
}

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 = "

Results $beg-$end of $total";
	my $n = $o + $LIM;

	if ($n < $total) {
		my $qs = $q->qs_html(o => $n);
		$rv .= qq{, next}
	}
	if ($o > 0) {
		$rv .= $n < $total ? '/' : ',      ';
		my $p = $o - $LIM;
		my $qs = $q->qs_html(o => ($p > 0 ? $p : 0));
		$rv .= qq{prev};
	}
	$rv .= '
'; } sub mset_thread { my ($ctx, $mset, $q) = @_; 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 $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); } my $skel = search_nav_bot($mset, $q). "
";
	my $inbox = $ctx->{-inbox};
	$ctx->{-upfx} = '';
	$ctx->{anchor_idx} = 1;
	$ctx->{cur_level} = 0;
	$ctx->{dst} = \$skel;
	$ctx->{mapping} = {};
	$ctx->{pct} = \%pct;
	$ctx->{prev_attr} = '';
	$ctx->{prev_level} = 0;
	$ctx->{seen} = {};
	$ctx->{s_nr} = scalar(@m).'+ results';

	PublicInbox::View::walk_thread($th, $ctx,
		*PublicInbox::View::pre_thread);

	my $msgs = \@m;
	my $mime;
	sub {
		return unless $msgs;
		while ($mime = shift @$msgs) {
			my $mid = mid_clean(mid_mime($mime));
			$mime = $inbox->msg_by_mid($mid) and last;
		}
		if ($mime) {
			$mime = Email::MIME->new($mime);
			return PublicInbox::View::index_entry($mime, $ctx,
				scalar @$msgs);
		}
		$msgs = undef;
		$skel .= "\n
"; }; } sub ctx_prepare { my ($q, $ctx) = @_; my $qh = ascii_html($q->{'q'}); $ctx->{-q_value_html} = $qh; $ctx->{-atom} = '?'.$q->qs_html(x => 'A', r => undef); $ctx->{-title_html} = "$qh - search results"; my $extra = ''; $extra .= qq{} if $q->{r}; if (my $x = $q->{x}) { $x = ascii_html($x); $extra .= qq{}; } $ctx->{-extra_form_html} = $extra; } sub adump { my ($cb, $mset, $q, $ctx) = @_; my $fh = $cb->([ 200, ['Content-Type' => 'application/atom+xml']]); my $ibx = $ctx->{-inbox}; 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); my $s = PublicInbox::Feed::feed_entry($feed_opts, $x, $ibx); $fh->write($s) if defined $s; } PublicInbox::Feed::end_feed($fh); } package PublicInbox::SearchQuery; use strict; use warnings; use PublicInbox::Hval; sub new { my ($class, $qp) = @_; my $r = $qp->{r}; bless { q => $qp->{'q'}, x => $qp->{x} || '', o => (($qp->{o} || '0') =~ /(\d+)/), 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'); } $qs; } 1;