-# Copyright (C) 2020 all contributors <meta@public-inbox.org>
+# 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 external (detached) index for cross inbox search.
# This is a read-only counterpart to PublicInbox::ExtSearchIdx
+# and behaves like PublicInbox::Inbox AND PublicInbox::Search
package PublicInbox::ExtSearch;
use strict;
use v5.10.1;
use PublicInbox::Over;
+use PublicInbox::Inbox;
+use PublicInbox::MiscSearch;
+use DBI qw(:sql_types); # SQL_BLOB
# for ->reopen, ->mset, ->mset_to_artnums
use parent qw(PublicInbox::Search);
sub new {
- my (undef, $topdir) = @_;
+ my ($class, $topdir) = @_;
bless {
topdir => $topdir,
+ -primary_address => 'unknown@example.com',
# xpfx => 'ei15'
xpfx => "$topdir/ei".PublicInbox::Search::SCHEMA_VERSION
- }, __PACKAGE__;
+ }, $class;
}
-# overrides PublicInbox::Search::_xdb
-sub _xdb {
+sub misc {
my ($self) = @_;
- $self->_xdb_sharded($self->{xpfx});
+ $self->{misc} //= PublicInbox::MiscSearch->new("$self->{xpfx}/misc");
}
# same as per-inbox ->over, for now...
$self->{git} //= PublicInbox::Git->new("$self->{topdir}/ALL.git");
}
+# returns a hashref of { $NEWSGROUP_NAME => $ART_NO } using the `xref3' table
+sub nntp_xref_for { # NNTP only
+ my ($self, $xibx, $xsmsg) = @_;
+ my $dbh = over($self)->dbh;
+
+ my $sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT ibx_id FROM inboxes WHERE eidx_key = ? LIMIT 1
+
+ $sth->execute($xibx->{newsgroup});
+ my $xibx_id = $sth->fetchrow_array // do {
+ warn "W: `$xibx->{newsgroup}' not found in $self->{topdir}\n";
+ return;
+ };
+
+ $sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT docid FROM xref3 WHERE oidbin = ? AND xnum = ? AND ibx_id = ? LIMIT 1
+
+ $sth->bind_param(1, pack('H*', $xsmsg->{blob}), SQL_BLOB);
+
+ # NNTP::cmd_over can set {num} to zero according to RFC 3977 8.3.2
+ $sth->bind_param(2, $xsmsg->{num} || $xsmsg->{-orig_num});
+ $sth->bind_param(3, $xibx_id);
+ $sth->execute;
+ my $docid = $sth->fetchrow_array // do {
+ warn <<EOF;
+W: `$xibx->{newsgroup}:$xsmsg->{num}' not found in $self->{topdir}"
+EOF
+ return;
+ };
+
+ # LIMIT is number of newsgroups on server:
+ $sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT ibx_id,xnum FROM xref3 WHERE docid = ? AND ibx_id != ?
+
+ $sth->execute($docid, $xibx_id);
+ my $rows = $sth->fetchall_arrayref;
+
+ my $eidx_key_sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT eidx_key FROM inboxes WHERE ibx_id = ? LIMIT 1
+
+ my %xref = map {
+ my ($ibx_id, $xnum) = @$_;
+
+ $eidx_key_sth->execute($ibx_id);
+ my $eidx_key = $eidx_key_sth->fetchrow_array;
+
+ # only include if there's a newsgroup name
+ $eidx_key && index($eidx_key, '/') >= 0 ?
+ () : ($eidx_key => $xnum)
+ } @$rows;
+ $xref{$xibx->{newsgroup}} = $xsmsg->{num};
+ \%xref;
+}
+
+sub mm { undef }
+
+sub altid_map { {} }
+
+sub description {
+ my ($self) = @_;
+ ($self->{description} //=
+ PublicInbox::Inbox::cat_desc("$self->{topdir}/description")) //
+ '$EXTINDEX_DIR/description missing';
+}
+
+no warnings 'once';
+*base_url = \&PublicInbox::Inbox::base_url;
+*smsg_eml = \&PublicInbox::Inbox::smsg_eml;
+*smsg_by_mid = \&PublicInbox::Inbox::smsg_by_mid;
+*msg_by_mid = \&PublicInbox::Inbox::msg_by_mid;
+*modified = \&PublicInbox::Inbox::modified;
+*recent = \&PublicInbox::Inbox::recent;
+
+*max_git_epoch = *nntp_usable = *msg_by_path = \&mm; # undef
+*isrch = *search = \&PublicInbox::Search::reopen;
+
1;