mws/trunk/MWS.pm

#!/usr/bin/perl -w

package MWS;

use strict;
use warnings;
use Carp;

use Plucene::Simple;
use Mail::Box::Manager;

require Exporter;

our @ISA = qw(Exporter);

our %EXPORT_TAGS = ();
our @EXPORT_OK;
our @EXPORT;

our $VERSION = '1.00';


my $folder;     # placeholder for folders

my $debug = 1;

sub new {
        my $class = shift;
        my $self = {};
        bless($self, $class);

        my $index_file = shift || die "need index file";

        $self->{index} = Plucene::Simple->open($index_file) || die "can't open index '$index_file': $!";

        $self->{mgr} = Mail::Box::Manager->new;

        # placeholder for opened folders
        $self->{folder} = {};

        return $self;
}


sub fetch_message {
        my $self = shift;

        my $mbox_id = shift || die "need mbox_id!";
        my ($mbox,$id) = split(/ /,$mbox_id);

        if (! $self->{folder}->{$mbox}) {
                $self->{folder}->{$mbox} = $self->{mgr}->open($mbox);
                print STDERR "## open($mbox)\n" if ($debug);
        }

        my $message = $self->{folder}->{$mbox}->find($id) ||
                print STDERR "can't find message $id in $mbox. Time to re-index?\n";
        
        return $message;
}


sub search {
        my $self = shift;

        my $s = shift || carp "search called without argument!";

        my @index_ids = $self->{index}->search($s);

        $self->{'index_ids'} = \@index_ids;

        my $results = $#index_ids + 1;
        $self->{'results'} = $results;

        $self->{'curr_result'} = 0;

        return $results || 'error';
}

sub unroll($$$) {
        my ($message,$part,$sub) = @_;

        my @arr;

        foreach my $from ($message->$part) {
                push @arr, $from->$sub;
        }
        return \@arr;
}
        
sub fetch_result {
        my $self = shift;

        my $args = {@_};

        croak "results called before search!" if (! $self->{'index_ids'});

        my $curr = $self->{'curr_result'}++;

        my $id = $self->{'index_ids'}->[$curr];

        return if (! $id);

        my $message = $self->fetch_message($id);

        my $row;

        $row->{'from'} = unroll($message,'from','phrase');
        $row->{'subject'} = $message->get('Subject');
        if (! $message->isMultipart) {
                $row->{'body'} = $message->decoded->string;
        } else {
                foreach my $part ($message->parts) {
                        if ($part->body->mimeType eq 'text/plain') {
                                $row->{'body'} = $part->decoded->string;
                                last;
                        }
                }
        }

        return $row;
        
}
1	#!/usr/bin/perl -w
2
3	package MWS;
4
5	use strict;
6	use warnings;
7	use Carp;
8
9	use Plucene::Simple;
10	use Mail::Box::Manager;
11
12	require Exporter;
13
14	our @ISA = qw(Exporter);
15
16	our %EXPORT_TAGS = ();
17	our @EXPORT_OK;
18	our @EXPORT;
19
20	our $VERSION = '1.00';
21
22
23	my $folder; # placeholder for folders
24
25	my $debug = 1;
26
27	sub new {
28	my $class = shift;
29	my $self = {};
30	bless($self, $class);
31
32	my $index_file = shift \|\| die "need index file";
33
34	$self->{index} = Plucene::Simple->open($index_file) \|\| die "can't open index '$index_file': $!";
35
36	$self->{mgr} = Mail::Box::Manager->new;
37
38	# placeholder for opened folders
39	$self->{folder} = {};
40
41	return $self;
42	}
43
44
45	sub fetch_message {
46	my $self = shift;
47
48	my $mbox_id = shift \|\| die "need mbox_id!";
49	my ($mbox,$id) = split(/ /,$mbox_id);
50
51	if (! $self->{folder}->{$mbox}) {
52	$self->{folder}->{$mbox} = $self->{mgr}->open($mbox);
53	print STDERR "## open($mbox)\n" if ($debug);
54	}
55
56	my $message = $self->{folder}->{$mbox}->find($id) \|\|
57	print STDERR "can't find message $id in $mbox. Time to re-index?\n";
58
59	return $message;
60	}
61
62
63	sub search {
64	my $self = shift;
65
66	my $s = shift \|\| carp "search called without argument!";
67
68	my @index_ids = $self->{index}->search($s);
69
70	$self->{'index_ids'} = \@index_ids;
71
72	my $results = $#index_ids + 1;
73	$self->{'results'} = $results;
74
75	$self->{'curr_result'} = 0;
76
77	return $results \|\| 'error';
78	}
79
80	sub unroll($$$) {
81	my ($message,$part,$sub) = @_;
82
83	my @arr;
84
85	foreach my $from ($message->$part) {
86	push @arr, $from->$sub;
87	}
88	return \@arr;
89	}
90
91	sub fetch_result {
92	my $self = shift;
93
94	my $args = {@_};
95
96	croak "results called before search!" if (! $self->{'index_ids'});
97
98	my $curr = $self->{'curr_result'}++;
99
100	my $id = $self->{'index_ids'}->[$curr];
101
102	return if (! $id);
103
104	my $message = $self->fetch_message($id);
105
106	my $row;
107
108	$row->{'from'} = unroll($message,'from','phrase');
109	$row->{'subject'} = $message->get('Subject');
110	if (! $message->isMultipart) {
111	$row->{'body'} = $message->decoded->string;
112	} else {
113	foreach my $part ($message->parts) {
114	if ($part->body->mimeType eq 'text/plain') {
115	$row->{'body'} = $part->decoded->string;
116	last;
117	}
118	}
119	}
120
121	return $row;
122
123	}