# Copyright (C) 2020-2021 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+# read-only counterpart for PublicInbox::LeiStore
package PublicInbox::LeiSearch;
use strict;
use v5.10.1;
use parent qw(PublicInbox::ExtSearch);
-use PublicInbox::Search;
+use PublicInbox::Search qw(xap_terms);
+use PublicInbox::ContentHash qw(content_digest content_hash);
+use PublicInbox::MID qw(mids mids_for_index);
# get combined docid from over.num:
# (not generic Xapian, only works with our sharding scheme)
my ($self, $num) = @_; # num_or_mitem
my $xdb = $self->xdb; # set {nshard};
my $docid = ref($num) ? $num->get_docid : num2docid($self, $num);
+ my $kw = xap_terms('K', $xdb, $docid);
+ warn "E: #$docid ($num): $@\n" if $@;
+ wantarray ? sort(keys(%$kw)) : $kw;
+}
+
+# returns undef if blob is unknown
+sub oid_keywords {
+ my ($self, $oidhex) = @_;
+ my @num = $self->over->blob_exists($oidhex) or return;
+ my $xdb = $self->xdb; # set {nshard};
my %kw;
- eval {
- my $end = $xdb->termlist_end($docid);
- my $cur = $xdb->termlist_begin($docid);
- for (; $cur != $end; $cur++) {
- $cur->skip_to('K');
- last if $cur == $end;
- my $kw = $cur->get_termname;
- $kw =~ s/\AK//s and $kw{$kw} = undef;
+ for my $num (@num) { # there should only be one...
+ my $doc = $xdb->get_document(num2docid($self, $num));
+ my $x = xap_terms('K', $doc);
+ %kw = (%kw, %$x);
+ }
+ \%kw;
+}
+
+# lookup keywords+labels for external messages
+sub xsmsg_vmd {
+ my ($self, $smsg, $want_label) = @_;
+ return if $smsg->{kw};
+ my $xdb = $self->xdb; # set {nshard};
+ my (%kw, %L, $doc, $x);
+ $kw{flagged} = 1 if delete($smsg->{lei_q_tt_flagged});
+ my @num = $self->over->blob_exists($smsg->{blob});
+ for my $num (@num) { # there should only be one...
+ $doc = $xdb->get_document(num2docid($self, $num));
+ $x = xap_terms('K', $doc);
+ %kw = (%kw, %$x);
+ if ($want_label) { # JSON/JMAP only
+ $x = xap_terms('L', $doc);
+ %L = (%L, %$x);
+ }
+ }
+ $smsg->{kw} = [ sort keys %kw ] if scalar(keys(%kw));
+ $smsg->{L} = [ sort keys %L ] if scalar(keys(%L));
+}
+
+# when a message has no Message-IDs at all, this is needed for
+# unsent Draft messages, at least
+sub content_key ($) {
+ my ($eml) = @_;
+ my $dig = content_digest($eml);
+ my $chash = $dig->clone->digest;
+ my $mids = mids_for_index($eml);
+ unless (@$mids) {
+ $eml->{-lei_fake_mid} = $mids->[0] =
+ PublicInbox::Import::digest2mid($dig, $eml, 0);
+ }
+ ($chash, $mids);
+}
+
+sub _cmp_1st { # git->cat_async callback
+ my ($bref, $oid, $type, $size, $cmp) = @_;
+ # cmp: [chash, xoids, smsg, lms]
+ $bref //= $cmp->[3] ? $cmp->[3]->local_blob($oid, 1) : undef;
+ if ($bref && content_hash(PublicInbox::Eml->new($bref)) eq $cmp->[0]) {
+ $cmp->[1]->{$oid} = $cmp->[2]->{num};
+ }
+}
+
+# returns { OID => num } mapping for $eml matches
+# The `num' hash value only makes sense from LeiSearch itself
+# and is nonsense from the PublicInbox::LeiALE subclass
+sub xoids_for {
+ my ($self, $eml, $min) = @_;
+ my ($chash, $mids) = content_key($eml);
+ my @overs = ($self->over // $self->overs_all);
+ my $git = $self->git;
+ my $xoids = {};
+ # no lms when used via {ale}:
+ my $lms = $self->{-lms_ro} //= lms($self) if defined($self->{topdir});
+ for my $mid (@$mids) {
+ for my $o (@overs) {
+ my ($id, $prev);
+ while (my $cur = $o->next_by_mid($mid, \$id, \$prev)) {
+ next if $cur->{bytes} == 0 ||
+ $xoids->{$cur->{blob}};
+ $git->cat_async($cur->{blob}, \&_cmp_1st,
+ [$chash, $xoids, $cur, $lms]);
+ if ($min && scalar(keys %$xoids) >= $min) {
+ $git->cat_async_wait;
+ return $xoids;
+ }
+ }
}
+ }
+ $git->cat_async_wait;
+ scalar(keys %$xoids) ? $xoids : undef;
+}
+
+# returns true if $eml is indexed by lei/store and keywords don't match
+sub kw_changed {
+ my ($self, $eml, $new_kw_sorted, $docids) = @_;
+ my $xoids = xoids_for($self, $eml) // return;
+ $docids //= [];
+ @$docids = sort { $a <=> $b } values %$xoids;
+ my $cur_kw = msg_keywords($self, $docids->[0]);
+
+ # RFC 5550 sec 5.9 on the $Forwarded keyword states:
+ # "Once set, the flag SHOULD NOT be cleared"
+ if (exists($cur_kw->{forwarded}) &&
+ !grep(/\Aforwarded\z/, @$new_kw_sorted)) {
+ delete $cur_kw->{forwarded};
+ }
+ $cur_kw = join("\0", sort keys %$cur_kw);
+ join("\0", @$new_kw_sorted) eq $cur_kw ? 0 : 1;
+}
+
+sub all_terms {
+ my ($self, $pfx) = @_;
+ my $xdb = $self->xdb;
+ my $cur = $xdb->allterms_begin($pfx);
+ my $end = $xdb->allterms_end($pfx);
+ my %ret;
+ for (; $cur != $end; $cur++) {
+ my $tn = $cur->get_termname;
+ index($tn, $pfx) == 0 and
+ $ret{substr($tn, length($pfx))} = undef;
+ }
+ wantarray ? (sort keys %ret) : \%ret;
+}
+
+sub qparse_new {
+ my ($self) = @_;
+ my $qp = $self->SUPER::qparse_new; # PublicInbox::Search
+ $qp->add_boolean_prefix('kw', 'K');
+ $qp->add_boolean_prefix('L', 'L');
+ $qp
+}
+
+sub lms {
+ my ($self) = @_;
+ require PublicInbox::LeiMailSync;
+ my $f = "$self->{topdir}/mail_sync.sqlite3";
+ -f $f ? PublicInbox::LeiMailSync->new($f) : undef;
+}
+
+# allow SolverGit->resolve_patch to work with "lei index"
+sub smsg_eml {
+ my ($self, $smsg) = @_;
+ PublicInbox::Inbox::smsg_eml($self, $smsg) // do {
+ my $lms = lms($self);
+ my $bref = $lms ? $lms->local_blob($smsg->{blob}, 1) : undef;
+ $bref ? PublicInbox::Eml->new($bref) : undef;
};
- warn "E: #$docid ($num): $@\n" if $@;
- wantarray ? sort(keys(%kw)) : \%kw;
}
1;