lei_store: local storage for Local Email Interface

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

diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index b731f6982f8bd1e6d44179d26a94f32c67726ae7..548f2114b80174cfd1569c319e4a1daa1a7bc8e8 100644 (file)
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -1,6 +1,6 @@
 # Copyright (C) 2015-2020 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
-# based on notmuch, but with no concept of folders, files or flags
+# based on notmuch, but with no concept of folders, files
 #
 # Indexes mail with Xapian and our (SQLite-based) ::Msgmap for use
 # with the web and NNTP interfaces.  This index maintains thread
@@ -371,7 +371,7 @@ sub eml2doc ($$$;$) {
        index_headers($self, $smsg);
 
        if (defined(my $eidx_key = $smsg->{eidx_key})) {
-               $doc->add_boolean_term('O'.$eidx_key);
+               $doc->add_boolean_term('O'.$eidx_key) if $eidx_key ne '.';
        }
        msg_iter($eml, \&index_xapian, [ $self, $doc ]);
        index_ids($self, $doc, $eml, $mids);
@@ -467,7 +467,7 @@ sub add_eidx_info {
        begin_txn_lazy($self);
        my $doc = _get_doc($self, $docid) or return;
        term_generator($self)->set_document($doc);
-       $doc->add_boolean_term('O'.$eidx_key);
+       $doc->add_boolean_term('O'.$eidx_key) if $eidx_key ne '.';
        index_list_id($self, $doc, $eml);
        $self->{xdb}->replace_document($docid, $doc);
 }
@@ -501,6 +501,47 @@ sub remove_eidx_info {
        $self->{xdb}->replace_document($docid, $doc);
 }
 
+sub set_keywords {
+       my ($self, $docid, @kw) = @_;
+       begin_txn_lazy($self);
+       my $doc = _get_doc($self, $docid) or return;
+       my %keep = map { $_ => 1 } @kw;
+       my %add = %keep;
+       my @rm;
+       my $end = $doc->termlist_end;
+       for (my $cur = $doc->termlist_begin; $cur != $end; $cur++) {
+               $cur->skip_to('K');
+               last if $cur == $end;
+               my $kw = $cur->get_termname;
+               $kw =~ s/\AK//s or next;
+               $keep{$kw} ? delete($add{$kw}) : push(@rm, $kw);
+       }
+       return unless (scalar(@rm) + scalar(keys %add));
+       $doc->remove_term('K'.$_) for @rm;
+       $doc->add_boolean_term('K'.$_) for (keys %add);
+       $self->{xdb}->replace_document($docid, $doc);
+}
+
+sub add_keywords {
+       my ($self, $docid, @kw) = @_;
+       begin_txn_lazy($self);
+       my $doc = _get_doc($self, $docid) or return;
+       $doc->add_boolean_term('K'.$_) for @kw;
+       $self->{xdb}->replace_document($docid, $doc);
+}
+
+sub remove_keywords {
+       my ($self, $docid, @kw) = @_;
+       begin_txn_lazy($self);
+       my $doc = _get_doc($self, $docid) or return;
+       my $replace;
+       eval {
+               $doc->remove_term('K'.$_);
+               $replace = 1
+       } for @kw;
+       $self->{xdb}->replace_document($docid, $doc) if $replace;
+}
+
 sub get_val ($$) {
        my ($doc, $col) = @_;
        sortable_unserialise($doc->get_value($col));