]> Sergey Matveev's repositories - public-inbox.git/blob - lib/PublicInbox/LeiImport.pm
lei import: support shell completion of known folders
[public-inbox.git] / lib / PublicInbox / LeiImport.pm
1 # Copyright (C) 2021 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
3
4 # front-end for the "lei import" sub-command
5 package PublicInbox::LeiImport;
6 use strict;
7 use v5.10.1;
8 use parent qw(PublicInbox::IPC PublicInbox::LeiInput);
9
10 # /^input_/ subs are used by (or override) PublicInbox::LeiInput superclass
11
12 sub input_eml_cb { # used by PublicInbox::LeiInput::input_fh
13         my ($self, $eml, $vmd) = @_;
14         my $xoids = $self->{lei}->{ale}->xoids_for($eml);
15         if (my $all_vmd = $self->{all_vmd}) {
16                 @$vmd{keys %$all_vmd} = values %$all_vmd;
17         }
18         $self->{lei}->{sto}->ipc_do('set_eml', $eml, $vmd, $xoids);
19 }
20
21 sub input_mbox_cb { # MboxReader callback
22         my ($eml, $self) = @_;
23         my $vmd;
24         if ($self->{-import_kw}) {
25                 my $kw = PublicInbox::MboxReader::mbox_keywords($eml);
26                 $vmd = { kw => $kw } if scalar(@$kw);
27         }
28         input_eml_cb($self, $eml, $vmd);
29 }
30
31 sub input_maildir_cb { # maildir_each_eml cb
32         my ($f, $kw, $eml, $self) = @_;
33         my $vmd = $self->{-import_kw} ? { kw => $kw } : undef;
34         if ($self->{-mail_sync}) {
35                 if ($f =~ m!\A(.+?)/(?:new|cur)/([^/]+)\z!) { # ugh...
36                         $vmd->{sync_info} = [ "maildir:$1", \(my $n = $2) ];
37                 } else {
38                         warn "E: $f was not from a Maildir?\n";
39                 }
40         }
41         input_eml_cb($self, $eml, $vmd);
42 }
43
44 sub input_net_cb { # imap_each / nntp_each
45         my ($url, $uid, $kw, $eml, $self) = @_;
46         my $vmd = $self->{-import_kw} ? { kw => $kw } : undef;
47         $vmd->{sync_info} = [ $url, $uid ] if $self->{-mail_sync};
48         input_eml_cb($self, $eml, $vmd);
49 }
50
51 sub net_merge_complete { # callback used by LeiAuth
52         my ($self) = @_;
53         $self->wq_io_do('process_inputs');
54         $self->wq_close(1);
55 }
56
57 sub lei_import { # the main "lei import" method
58         my ($lei, @inputs) = @_;
59         my $sto = $lei->_lei_store(1);
60         $sto->write_prepare($lei);
61         my $self = bless {}, __PACKAGE__;
62         $self->{-import_kw} = $lei->{opt}->{kw} // 1;
63         my $vmd_mod = $self->vmd_mod_extract(\@inputs);
64         return $lei->fail(join("\n", @{$vmd_mod->{err}})) if $vmd_mod->{err};
65         $self->{all_vmd} = $vmd_mod if scalar keys %$vmd_mod;
66         $self->prepare_inputs($lei, \@inputs) or return;
67         $self->{-mail_sync} = $lei->{opt}->{'mail-sync'} // 1;
68
69         $lei->ale; # initialize for workers to read
70         my $j = $lei->{opt}->{jobs} // scalar(@{$self->{inputs}}) || 1;
71         if (my $net = $lei->{net}) {
72                 # $j = $net->net_concurrency($j); TODO
73                 if ($lei->{opt}->{incremental} // 1) {
74                         $net->{incremental} = 1;
75                         $net->{-lms_ro} = $lei->_lei_store->search->lms // 0;
76                 }
77         } else {
78                 my $nproc = $self->detect_nproc;
79                 $j = $nproc if $j > $nproc;
80         }
81         my $ops = {};
82         $lei->{auth}->op_merge($ops, $self) if $lei->{auth};
83         $self->{-wq_nr_workers} = $j // 1; # locked
84         $lei->{-eml_noisy} = 1;
85         (my $op_c, $ops) = $lei->workers_start($self, 'lei-import', $j, $ops);
86         $lei->{wq1} = $self;
87         $lei->{-err_type} = 'non-fatal';
88         net_merge_complete($self) unless $lei->{auth};
89         $op_c->op_wait_event($ops);
90 }
91
92 sub _complete_import {
93         my ($lei, @argv) = @_;
94         my $sto = $lei->_lei_store or return;
95         my $lms = $sto->search->lms or return;
96         my $match_cb = $lei->complete_url_prepare(\@argv);
97         map { $match_cb->($_) } $lms->folders;
98 }
99
100 no warnings 'once';
101 *ipc_atfork_child = \&PublicInbox::LeiInput::input_only_atfork_child;
102
103 # the following works even when LeiAuth is lazy-loaded
104 *net_merge_all = \&PublicInbox::LeiAuth::net_merge_all;
105 1;