X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FLeiSearch.pm;h=ceb3624b5e46c59d620191b412e5574841edc6bf;hb=fbc11e24a72f41b0ed7ead30d199288a4d674be4;hp=440bacf527e60037d1854017cb529eba96570419;hpb=9dfc0b670fc634b54998c3020f173b82de1915ac;p=public-inbox.git
diff --git a/lib/PublicInbox/LeiSearch.pm b/lib/PublicInbox/LeiSearch.pm
index 440bacf5..ceb3624b 100644
--- a/lib/PublicInbox/LeiSearch.pm
+++ b/lib/PublicInbox/LeiSearch.pm
@@ -1,11 +1,14 @@
# Copyright (C) 2020-2021 all contributors
# License: AGPL-3.0+
+# read-only counterpart for PublicInbox::LeiStore
package PublicInbox::LeiSearch;
use strict;
use v5.10.1;
use parent qw(PublicInbox::ExtSearch);
use PublicInbox::Search qw(xap_terms);
+use PublicInbox::ContentHash qw(content_digest content_hash);
+use PublicInbox::MID qw(mids mids_in);
# get combined docid from over.num:
# (not generic Xapian, only works with our sharding scheme)
@@ -24,4 +27,48 @@ sub msg_keywords {
wantarray ? sort(keys(%$kw)) : $kw;
}
+# when a message has no Message-IDs at all, this is needed for
+# unsent Draft messages, at least
+sub content_key ($) {
+ my ($eml) = @_;
+ my $dig = content_digest($eml);
+ my $chash = $dig->clone->digest;
+ my $mids = mids_in($eml,
+ qw(Message-ID X-Alt-Message-ID Resent-Message-ID));
+ unless (@$mids) {
+ $eml->{-lei_fake_mid} = $mids->[0] =
+ PublicInbox::Import::digest2mid($dig, $eml);
+ }
+ ($chash, $mids);
+}
+
+sub _cmp_1st { # git->cat_async callback
+ my ($bref, $oid, $type, $size, $cmp) = @_; # cmp: [chash, found, smsg]
+ return if defined($cmp->[1]->[0]); # $found->[0]
+ if (content_hash(PublicInbox::Eml->new($bref)) eq $cmp->[0]) {
+ push @{$cmp->[1]}, $cmp->[2]->{num};
+ }
+}
+
+# returns true if $eml is indexed by lei/store and keywords don't match
+sub kw_changed {
+ my ($self, $eml, $new_kw_sorted) = @_;
+ my ($chash, $mids) = content_key($eml);
+ my $over = $self->over;
+ my $git = $self->git;
+ my $found = [];
+ for my $mid (@$mids) {
+ my ($id, $prev);
+ while (my $cur = $over->next_by_mid($mid, \$id, \$prev)) {
+ $git->cat_async($cur->{blob}, \&_cmp_1st,
+ [ $chash, $found, $cur ]);
+ last if scalar(@$found);
+ }
+ }
+ $git->cat_async_wait;
+ my $num = $found->[0] // return;
+ my @cur_kw = msg_keywords($self, $num);
+ join("\0", @$new_kw_sorted) eq join("\0", @cur_kw) ? 0 : 1;
+}
+
1;