| 1 |
package CouchDB::Estraier; |
| 2 |
|
| 3 |
use strict; |
| 4 |
use warnings; |
| 5 |
|
| 6 |
our $VERSION = '0.01'; |
| 7 |
|
| 8 |
use Search::Estraier; |
| 9 |
use Data::Dump qw/dump/; |
| 10 |
use Getopt::Long; |
| 11 |
use JSON; |
| 12 |
#use IO::Handle; |
| 13 |
use IO::File; |
| 14 |
|
| 15 |
=head1 NAME |
| 16 |
|
| 17 |
CouchDB::Estraier - Hyper Estraier full-text search for CouchDB |
| 18 |
|
| 19 |
=head1 METHODS |
| 20 |
|
| 21 |
=cut |
| 22 |
|
| 23 |
our $c = { |
| 24 |
node_url => 'http://localhost:1978/node/', |
| 25 |
estuser => 'admin', |
| 26 |
estpasswd => 'admin', |
| 27 |
debug => 0, |
| 28 |
}; |
| 29 |
|
| 30 |
my $log = $0; |
| 31 |
$log =~ s{^.*/([^/]+)(\.\w+)$}{/tmp/$1.log} or die "can't generate log name from $0"; |
| 32 |
|
| 33 |
warn "$0 log $log\n"; |
| 34 |
|
| 35 |
GetOptions($c, qw/node_url=s debug+ estuser=s estpasswd=s dbuser=s dbpasswd=s/) or die $!; |
| 36 |
|
| 37 |
#my $log = IO::Handle->new; |
| 38 |
#my $log = IO::Handle->new_from_fd(\*STDERR, 'w'); |
| 39 |
|
| 40 |
$log = IO::File->new( ">> $log" ) || die "can't open $log: $!"; |
| 41 |
|
| 42 |
$log->autoflush( 1 ); |
| 43 |
$log->print("c: ", dump($c), "\n" ); # if $c->{debug}; |
| 44 |
|
| 45 |
my $in = IO::Handle->new_from_fd(\*STDIN, 'r'); |
| 46 |
my $out = IO::Handle->new_from_fd(\*STDOUT, 'w'); |
| 47 |
$out->autoflush( 1 ); |
| 48 |
|
| 49 |
=head2 run_query |
| 50 |
|
| 51 |
Process command line options and start helper |
| 52 |
|
| 53 |
CouchDB::Estraier->run; |
| 54 |
|
| 55 |
=cut |
| 56 |
|
| 57 |
sub run_query { |
| 58 |
while ( 1 ) { |
| 59 |
# $log->print("query ready\n"); |
| 60 |
my $json = $in->getline; |
| 61 |
die unless defined $json; |
| 62 |
$log->print( "run_query $json\n" ); |
| 63 |
query( decode_json( $json ) ) |
| 64 |
} |
| 65 |
} |
| 66 |
|
| 67 |
sub run_update { |
| 68 |
while ( 1 ) { |
| 69 |
# $log->print("update ready\n"); |
| 70 |
my $json = $in->getline; |
| 71 |
die unless defined $json; |
| 72 |
$log->print( "run_update $json\n" ); |
| 73 |
update( decode_json( $json ) ) |
| 74 |
} |
| 75 |
} |
| 76 |
|
| 77 |
|
| 78 |
=head2 update |
| 79 |
|
| 80 |
CouchDB::Estraier::update( { db => $database, type => $type } ); |
| 81 |
|
| 82 |
=cut |
| 83 |
|
| 84 |
sub update { |
| 85 |
my $args = shift or die "no args"; |
| 86 |
$log->print( "update ",dump( $args ),"\n" ); |
| 87 |
|
| 88 |
my $ret = { |
| 89 |
code => 200, |
| 90 |
json => { |
| 91 |
args => $args, |
| 92 |
}, |
| 93 |
}; |
| 94 |
|
| 95 |
return $ret; |
| 96 |
|
| 97 |
my $database = $args->{db} or die "no db in ",dump( $args ); |
| 98 |
my $data = $args->{data} or die "no data in ",dump( $args ); |
| 99 |
|
| 100 |
# create and configure node |
| 101 |
my $node = new Search::Estraier::Node( |
| 102 |
url => $c->{node_url} . $database, |
| 103 |
user => $c->{estuser}, |
| 104 |
passwd => $c->{estpasswd}, |
| 105 |
croak_on_error => 1, |
| 106 |
create => 1, |
| 107 |
debug => $c->{debug} >= 4 ? 1 : 0, |
| 108 |
); |
| 109 |
|
| 110 |
# create document |
| 111 |
my $doc = new Search::Estraier::Document; |
| 112 |
|
| 113 |
if (my $id = $data->{_id}) { |
| 114 |
$doc->add_attr('@uri', $id); |
| 115 |
} else { |
| 116 |
die "can't find pk_col column _id in results\n"; |
| 117 |
} |
| 118 |
|
| 119 |
while (my ($col,$val) = each %{$data}) { |
| 120 |
|
| 121 |
if ( defined $val ) { |
| 122 |
# add attributes (make column usable from attribute search) |
| 123 |
$doc->add_attr($col, $val); |
| 124 |
|
| 125 |
# add body text to document (make it searchable using full-text index) |
| 126 |
$doc->add_text($val); |
| 127 |
} |
| 128 |
|
| 129 |
} |
| 130 |
|
| 131 |
$log->print("doc draft: ",$doc->dump_draft ) if ($c->{debug} >= 2); |
| 132 |
|
| 133 |
die "error: ", $node->status,"\n" unless (eval { $node->put_doc($doc) }); |
| 134 |
|
| 135 |
return $ret; |
| 136 |
} |
| 137 |
|
| 138 |
=head2 query |
| 139 |
|
| 140 |
Implementation spec: L<http://wiki.apache.org/couchdb/ViewServer> |
| 141 |
|
| 142 |
=cut |
| 143 |
|
| 144 |
sub query { |
| 145 |
my $args = shift or die "no args"; |
| 146 |
# $log->print( "query ",dump( $args ),"\n" ); |
| 147 |
|
| 148 |
sub _json { |
| 149 |
$out->print( encode_json( shift @_ ),"\n" ); |
| 150 |
} |
| 151 |
|
| 152 |
my ( $op, $doc ) = @$args; |
| 153 |
|
| 154 |
if ( $op eq 'add_fun' ) { |
| 155 |
$out->print( "true\n" ); |
| 156 |
_json({ log => "$op $doc" }); |
| 157 |
} elsif ( $op eq 'reset' ) { |
| 158 |
$out->print( "true\n" ); |
| 159 |
} elsif ( $op eq 'map_doc' ) { |
| 160 |
$out->print( encode_json( [[[ $doc->{_id}, 'indexed' ]]] ),"\n" ); |
| 161 |
# _log( dump( $args ) ); |
| 162 |
} else { |
| 163 |
$log->print("ERROR ",dump( $op, $doc ) ); |
| 164 |
_json({ error => $op, reason => dump( $doc ) }); |
| 165 |
} |
| 166 |
} |
| 167 |
|
| 168 |
=head2 search |
| 169 |
|
| 170 |
Implementation specification: L<http://wiki.apache.org/couchdb/FullTextSearch> |
| 171 |
|
| 172 |
CouchDB::Estraier::search( $database, $query ); |
| 173 |
|
| 174 |
=cut |
| 175 |
|
| 176 |
sub search { |
| 177 |
my $args = shift or die "no args"; |
| 178 |
$log->print( "search ",dump( $args ),"\n" ); |
| 179 |
|
| 180 |
my $database = $args->{db} or die "no db in ",dump( $args ); |
| 181 |
my $query = $args->{query} or die "no query in ",dump( $args ); |
| 182 |
|
| 183 |
# create and configure node |
| 184 |
my $node = new Search::Estraier::Node( |
| 185 |
url => $c->{node_url} . $database, |
| 186 |
user => $c->{estuser}, |
| 187 |
passwd => $c->{estpasswd}, |
| 188 |
croak_on_error => 1, |
| 189 |
# create => 1, |
| 190 |
debug => $c->{debug} >= 4 ? 1 : 0, |
| 191 |
); |
| 192 |
|
| 193 |
my $cond = new Search::Estraier::Condition; |
| 194 |
$cond->set_phrase( $query ); |
| 195 |
my $nres = $node->search($cond, 0); |
| 196 |
|
| 197 |
if ( defined($nres) ) { |
| 198 |
|
| 199 |
$out->print( "ok\n" ); |
| 200 |
for my $i ( 0 ... $nres->doc_num - 1 ) { |
| 201 |
my $rdoc = $nres->get_doc($i); |
| 202 |
print $rdoc->attr('@uri'),"\n",$i,"\n"; |
| 203 |
} |
| 204 |
$out->print( "\n\n" ); |
| 205 |
|
| 206 |
} else { |
| 207 |
$out->print( "error\n", $node->status, "\n" ); |
| 208 |
} |
| 209 |
|
| 210 |
} |
| 211 |
|
| 212 |
|
| 213 |
1; |
Parent Directory
| 
Revision Log