1 |
dpavlin |
205 |
package CouchDB; |
2 |
|
|
|
3 |
|
|
# http://wiki.apache.org/couchdb/Getting_started_with_Perl |
4 |
|
|
|
5 |
|
|
use strict; |
6 |
|
|
use warnings; |
7 |
|
|
|
8 |
|
|
use LWP::UserAgent; |
9 |
|
|
use JSON; |
10 |
|
|
use Data::Dump qw/dump/; |
11 |
|
|
|
12 |
|
|
sub new { |
13 |
|
|
my ($class, $host, $port, $options) = @_; |
14 |
|
|
|
15 |
|
|
my $ua = LWP::UserAgent->new; |
16 |
|
|
$ua->timeout(10); |
17 |
|
|
$ua->env_proxy; |
18 |
|
|
|
19 |
|
|
$host ||= 'localhost'; |
20 |
|
|
$port ||= 5984; |
21 |
|
|
|
22 |
|
|
return bless { |
23 |
|
|
ua => $ua, |
24 |
|
|
host => $host, |
25 |
|
|
port => $port, |
26 |
|
|
base_uri => "http://$host:$port/", |
27 |
|
|
}, $class; |
28 |
|
|
} |
29 |
|
|
|
30 |
|
|
sub ua { shift->{ua} } |
31 |
|
|
sub base { shift->{base_uri} } |
32 |
|
|
|
33 |
|
|
sub request { |
34 |
|
|
my ($self, $method, $uri, $content) = @_; |
35 |
|
|
|
36 |
|
|
my $full_uri = $self->base . $uri; |
37 |
|
|
my $req; |
38 |
|
|
|
39 |
|
|
if (defined $content) { |
40 |
|
|
#Content-Type: application/json |
41 |
|
|
|
42 |
|
|
$req = HTTP::Request->new( $method, $full_uri, undef, $content ); |
43 |
|
|
$req->header('Content-Type' => 'application/json'); |
44 |
|
|
} else { |
45 |
|
|
$req = HTTP::Request->new( $method, $full_uri ); |
46 |
|
|
} |
47 |
|
|
|
48 |
|
|
my $response = $self->ua->request($req); |
49 |
|
|
|
50 |
|
|
if ($response->is_success) { |
51 |
|
|
return $response->content; |
52 |
|
|
} else { |
53 |
|
|
die($response->status_line . ":" . $response->content); |
54 |
|
|
} |
55 |
|
|
} |
56 |
|
|
|
57 |
|
|
our $rev; |
58 |
|
|
|
59 |
|
|
sub delete { |
60 |
|
|
my ($self, $url) = @_; |
61 |
|
|
|
62 |
|
|
$self->request(DELETE => $url); |
63 |
|
|
} |
64 |
|
|
|
65 |
|
|
sub get { |
66 |
|
|
my ($self, $url) = @_; |
67 |
|
|
|
68 |
|
|
from_json $self->request(GET => $url); |
69 |
|
|
} |
70 |
|
|
|
71 |
|
|
sub put { |
72 |
|
|
my ($self, $url, $json) = @_; |
73 |
|
|
warn "put $url ",dump($json); |
74 |
|
|
|
75 |
|
|
$rev->{$url} ||= eval { $self->get( $url )->{_rev} }; |
76 |
|
|
|
77 |
|
|
$json->{_rev} = $rev->{$url} if $rev->{$url}; |
78 |
|
|
|
79 |
|
|
$json = to_json $json if $json; |
80 |
|
|
|
81 |
|
|
$self->request(PUT => $url, $json); |
82 |
|
|
} |
83 |
|
|
|
84 |
|
|
sub post { |
85 |
|
|
my ($self, $url, $json) = @_; |
86 |
|
|
|
87 |
|
|
$self->request(POST => $url, $json); |
88 |
|
|
} |
89 |
|
|
|
90 |
|
|
1; |