# Copyright (C) 2021 all contributors
# License: AGPL-3.0+
# pretends to be like LeiDedupe and also PublicInbox::Inbox
package PublicInbox::LeiSavedSearch;
use strict;
use v5.10.1;
use parent qw(PublicInbox::Lock);
use PublicInbox::OverIdx;
use PublicInbox::LeiSearch;
use PublicInbox::Config;
use PublicInbox::Spawn qw(run_die);
use PublicInbox::ContentHash qw(content_hash git_sha);
use PublicInbox::Eml;
use PublicInbox::Hval qw(to_filename);
sub new {
my ($cls, $lei, $dir) = @_;
my $self = bless { ale => $lei->ale, -cfg => {} }, $cls;
if (defined $dir) { # updating existing saved search via "lei up"
my $f = $self->{'-f'} = "$dir/lei.saved-search";
-f $f && -r _ or
return $lei->fail("$f non-existent or unreadable");
$self->{-cfg} = PublicInbox::Config::git_config_dump($f);
} else { # new saved search "lei q --save"
my $saved_dir = $lei->store_path . '/../saved-searches/';
my (@name) = ($lei->{ovv}->{dst} =~ m{([\w\-\.]+)/*\z});
my $q = $lei->{mset_opt}->{q_raw} // die 'BUG: {q_raw} missing';
my $q_raw_str = ref($q) ? "@$q" : $q;
push @name, to_filename($q_raw_str);
$dir = $saved_dir . join('-', @name);
require File::Path;
File::Path::make_path($dir); # raises on error
$self->{'-f'} = "$dir/lei.saved-search";
if (ref $q) {
cfg_set($self, '--add', 'lei.q', $_) for @$q;
} else {
cfg_set($self, 'lei.q', $q);
}
my $fmt = $lei->{opt}->{'format'};
cfg_set($self, 'lei.q.format', $fmt) if defined $fmt;
cfg_set($self, 'lei.q.output', $lei->{opt}->{output});
for my $k (qw(only include exclude)) {
my $ary = $lei->{opt}->{$k} // next;
for my $x (@$ary) {
cfg_set($self, '--add', "lei.q.$k", $x);
}
}
for my $k (qw(external local remote import-remote
import-before threads)) {
my $val = $lei->{opt}->{$k} // next;
cfg_set($self, "lei.q.$k", $val);
}
}
bless $self->{-cfg}, 'PublicInbox::Config';
$self->{lock_path} = "$self->{-f}.flock";
$self->{-ovf} = "$dir/over.sqlite3";
$self;
}
sub description { $_[0]->{qstr} } # for WWW
sub cfg_set {
my ($self, @args) = @_;
my $lk = $self->lock_for_scope; # git-config doesn't wait
run_die([qw(git config -f), $self->{'-f'}, @args]);
}
# drop-in for LeiDedupe API
sub is_dup {
my ($self, $eml, $smsg) = @_;
my $oidx = $self->{oidx} // die 'BUG: no {oidx}';
my $blob = $smsg ? $smsg->{blob} : undef;
return 1 if $blob && $oidx->blob_exists($blob);
my $lk = $self->lock_for_scope_fast;
if (my $xoids = PublicInbox::LeiSearch::xoids_for($self, $eml, 1)) {
for my $docid (values %$xoids) {
$oidx->add_xref3($docid, -1, $blob, '.');
}
$oidx->commit_lazy;
1;
} else {
# n.b. above xoids_for fills out eml->{-lei_fake_mid} if needed
unless ($smsg) {
$smsg = bless {}, 'PublicInbox::Smsg';
$smsg->{bytes} = 0;
$smsg->populate($eml);
}
$oidx->begin_lazy;
$smsg->{num} = $oidx->adj_counter('eidx_docid', '+');
$smsg->{blob} //= git_sha(1, $eml)->hexdigest;
$oidx->add_overview($eml, $smsg);
$oidx->add_xref3($smsg->{num}, -1, $smsg->{blob}, '.');
$oidx->commit_lazy;
undef;
}
}
sub prepare_dedupe {
my ($self) = @_;
$self->{oidx} //= do {
my $creat = !-f $self->{-ovf};
my $lk = $self->lock_for_scope; # git-config doesn't wait
my $oidx = PublicInbox::OverIdx->new($self->{-ovf});
$oidx->{-no_fsync} = 1;
$oidx->dbh;
if ($creat) {
$oidx->{dbh}->do('PRAGMA journal_mode = WAL');
$oidx->eidx_prep; # for xref3
}
$oidx
};
}
sub over { $_[0]->{oidx} } # for xoids_for
sub git { $_[0]->{ale}->git }
sub pause_dedupe {
my ($self) = @_;
$self->{ale}->git->cleanup;
my $oidx = delete($self->{oidx}) // return;
$oidx->commit_lazy;
}
sub mm { undef }
sub altid_map { {} }
sub cloneurl { [] }
no warnings 'once';
*nntp_url = \&cloneurl;
*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 = \&mm; # TODO
*DESTROY = \&pause_dedupe;
1;