-# Copyright (C) 2015 all contributors <meta@public-inbox.org>
-# License: GPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
+# Copyright (C) 2015-2018 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# based on notmuch, but with no concept of folders, files or flags
+#
+# Wraps a document inside our Xapian search index.
package PublicInbox::SearchMsg;
use strict;
use warnings;
-use Search::Xapian;
-use Email::Address qw//;
-use Email::Simple qw//;
-use POSIX qw//;
-use Date::Parse qw/str2time/;
-use PublicInbox::MID qw/mid_clean/;
-use Encode qw/find_encoding/;
-my $enc_utf8 = find_encoding('UTF-8');
-our $PFX2TERM_RE = undef;
-use constant EPOCH_822 => 'Thu, 01 Jan 1970 00:00:00 +0000';
+use PublicInbox::MID qw/mid_clean mid_mime/;
+use PublicInbox::Address;
+use PublicInbox::MsgTime qw(msg_timestamp msg_datestamp);
sub new {
my ($class, $mime) = @_;
my $doc = Search::Xapian::Document->new;
- $doc->add_term(PublicInbox::Search::xpfx('type') . 'mail');
-
- bless { type => 'mail', doc => $doc, mime => $mime }, $class;
+ bless { doc => $doc, mime => $mime }, $class;
}
sub wrap {
bless { doc => $doc, mime => undef, mid => $mid }, $class;
}
+sub get {
+ my ($class, $head, $db, $mid) = @_;
+ my $doc_id = $head->get_docid;
+ my $doc = $db->get_document($doc_id);
+ load_expand(wrap($class, $doc, $mid))
+}
+
+sub get_val ($$) {
+ my ($doc, $col) = @_;
+ Search::Xapian::sortable_unserialise($doc->get_value($col));
+}
+
+sub to_doc_data {
+ my ($self, $oid, $mid0) = @_;
+ $oid = '' unless defined $oid;
+ join("\n",
+ $self->subject,
+ $self->from,
+ $self->references,
+ $self->to,
+ $self->cc,
+ $oid,
+ $mid0,
+ $self->ds,
+ $self->{bytes},
+ $self->{lines}
+ );
+}
+
+
+sub load_from_data ($$) {
+ my ($self) = $_[0]; # data = $_[1]
+ (
+ $self->{subject},
+ $self->{from},
+ $self->{references},
+
+ # To: and Cc: are stored to optimize HDR/XHDR in NNTP since
+ # some NNTP clients will use that for message displays.
+ $self->{to},
+ $self->{cc},
+
+ $self->{blob},
+ $self->{mid},
+ $self->{ds},
+ $self->{bytes},
+ $self->{lines}
+ ) = split(/\n/, $_[1]);
+}
+
+sub load_expand {
+ my ($self) = @_;
+ my $doc = $self->{doc};
+ my $data = $doc->get_data or return;
+ $self->{ts} = get_val($doc, &PublicInbox::Search::TS);
+ utf8::decode($data);
+ load_from_data($self, $data);
+ $self;
+}
+
sub load_doc {
my ($class, $doc) = @_;
- my $data = $doc->get_data;
- my $ts = eval {
- no strict 'subs';
- $doc->get_value(PublicInbox::Search::TS);
- };
- $ts = Search::Xapian::sortable_unserialise($ts);
- $data = $enc_utf8->decode($data);
- my ($subj, $from, $refs) = split(/\n/, $data);
- bless {
- doc => $doc,
- subject => $subj,
- ts => $ts,
- from_name => $from,
- references_sorted => $refs,
- }, $class;
-}
-
-sub subject {
+ my $self = bless { doc => $doc }, $class;
+ $self->load_expand;
+}
+
+# :bytes and :lines metadata in RFC 3977
+sub bytes ($) { $_[0]->{bytes} }
+sub lines ($) { $_[0]->{lines} }
+sub num ($) { $_[0]->{num} ||= _get_term_val($_[0], 'XNUM', qr/\AXNUM/) }
+
+sub __hdr ($$) {
+ my ($self, $field) = @_;
+ my $val = $self->{$field};
+ return $val if defined $val;
+
+ my $mime = $self->{mime} or return;
+ $val = $mime->header($field);
+ $val = '' unless defined $val;
+ $val =~ tr/\n/ /;
+ $val =~ tr/\r//d;
+ $self->{$field} = $val;
+}
+
+sub subject ($) { __hdr($_[0], 'subject') }
+sub to ($) { __hdr($_[0], 'to') }
+sub cc ($) { __hdr($_[0], 'cc') }
+
+# no strftime, that is locale-dependent and not for RFC822
+my @DoW = qw(Sun Mon Tue Wed Thu Fri Sat);
+my @MoY = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
+
+sub date ($) {
my ($self) = @_;
- my $subj = $self->{subject};
- return $subj if defined $subj;
- $subj = $self->{mime}->header('Subject');
- $subj = '' unless defined $subj;
- $subj =~ tr/\n/ /;
- $self->{subject} = $subj;
+ my $ds = $self->{ds};
+ return unless defined $ds;
+ my ($sec, $min, $hour, $mday, $mon, $year, $wday) = gmtime($ds);
+ "$DoW[$wday], " . sprintf("%02d $MoY[$mon] %04d %02d:%02d:%02d +0000",
+ $mday, $year+1900, $hour, $min, $sec);
+
}
-sub from {
+sub from ($) {
my ($self) = @_;
- my $from = $self->mime->header('From') || '';
- my @from;
-
- if ($from) {
- $from =~ tr/\n/ /;
- @from = Email::Address->parse($from);
- $self->{from} = $from[0];
- $from = $from[0]->name;
+ my $from = __hdr($self, 'from');
+ if (defined $from && !defined $self->{from_name}) {
+ my @n = PublicInbox::Address::names($from);
+ $self->{from_name} = join(', ', @n);
}
- $self->{from_name} = $from;
- $self->{from};
+ $from;
}
sub from_name {
sub ts {
my ($self) = @_;
- $self->{ts} ||= eval { str2time($self->mime->header('Date')) } || 0;
+ $self->{ts} ||= eval { msg_timestamp($self->{mime}->header_obj) } || 0;
}
-sub to_doc_data {
+sub ds {
my ($self) = @_;
- PublicInbox::Search::subject_summary($self->subject) . "\n" .
- $self->from_name . "\n".
- $self->references_sorted;
+ $self->{ds} ||= eval { msg_datestamp($self->{mime}->header_obj); } || 0;
}
-sub references_sorted {
+sub references {
my ($self) = @_;
- my $x = $self->{references_sorted};
+ my $x = $self->{references};
defined $x ? $x : '';
}
-sub ensure_metadata {
- my ($self) = @_;
+sub _get_term_val ($$$) {
+ my ($self, $pfx, $re) = @_;
my $doc = $self->{doc};
my $end = $doc->termlist_end;
-
- unless (defined $PFX2TERM_RE) {
- my $or = join('|', keys %PublicInbox::Search::PFX2TERM_RMAP);
- $PFX2TERM_RE = qr/\A($or)/;
- }
-
- while (my ($pfx, $field) = each %PublicInbox::Search::PFX2TERM_RMAP) {
- # ideally we'd move this out of the loop:
- my $i = $doc->termlist_begin;
-
- $i->skip_to($pfx);
- if ($i != $end) {
- my $val = $i->get_termname;
-
- if ($val =~ s/$PFX2TERM_RE//o) {
- $self->{$field} = $val;
- }
- }
+ my $i = $doc->termlist_begin;
+ $i->skip_to($pfx);
+ if ($i != $end) {
+ my $val = $i->get_termname;
+ $val =~ s/$re// and return $val;
}
+ undef;
}
-# for threading only
-sub mini_mime {
- my ($self) = @_;
- $self->ensure_metadata;
- my @hs = (
- 'Subject' => $self->subject,
- 'X-PI-From' => $self->from_name,
- );
-
- my @h = (
- # prevent Email::Simple::Creator from running,
- # this header is useless for threading as we use X-PI-TS
- # for sorting and display:
- 'Date' => EPOCH_822,
- 'Message-ID' => "<$self->{mid}>",
- 'X-PI-TS' => $self->ts,
- );
- if (my $refs = $self->{references_sorted}) {
- $refs =~ s/></> </g;
- push @h, References => $refs;
- }
- my $mime = Email::MIME->create(header_str => \@hs, header => \@h);
- my $h = $mime->header_obj;
-
- # set these headers manually since Encode::encode('MIME-Q', ...)
- # will add spaces to long values when using header_str above.
-
- # drop useless headers Email::MIME set for us
- $h->header_set('Date');
- $h->header_set('MIME-Version');
- $mime;
-}
-
-sub mid {
+sub mid ($;$) {
my ($self, $mid) = @_;
if (defined $mid) {
$self->{mid} = $mid;
} elsif (my $rv = $self->{mid}) {
$rv;
+ } elsif ($self->{doc}) {
+ $self->{mid} = _get_term_val($self, 'Q', qr/\AQ/);
} else {
- $self->ensure_metadata; # needed for ghosts
- $self->{mid} ||= $self->_extract_mid;
- }
-}
-
-sub _extract_mid {
- my ($self) = @_;
-
- my $mid = $self->mime->header('Message-ID');
- defined $mid ? mid_clean($mid) : $mid;
-}
-
-sub mime {
- my ($self, $mime) = @_;
- if (defined $mime) {
- $self->{mime} = $mime;
- } else {
- # TODO load from git
- $self->{mime};
+ $self->_extract_mid; # v1 w/o Xapian
}
}
-sub doc_id {
- my ($self, $doc_id) = @_;
- if (defined $doc_id) {
- $self->{doc_id} = $doc_id;
- } else {
- # TODO load from xapian
- $self->{doc_id};
- }
-}
-
-sub thread_id {
- my ($self) = @_;
- my $tid = $self->{thread};
- return $tid if defined $tid;
- $self->ensure_metadata;
- $self->{thread};
-}
-
-sub path {
- my ($self) = @_;
- my $path = $self->{path};
- return $path if defined $path;
- $self->ensure_metadata;
- $self->{path};
-}
+sub _extract_mid { mid_clean(mid_mime($_[0]->{mime})) }
1;