/[pxelator]/couchdb/design-couch.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Annotation of /couchdb/design-couch.pl

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Revision 341 - (hide annotations)
Sat Aug 29 14:43:32 2009 UTC (13 years, 3 months ago) by dpavlin
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File size: 4214 byte(s)
create directory for new design on pull

1 dpavlin 248 #!/usr/bin/perl
2    
3     use warnings;
4     use strict;
5    
6     use LWP::UserAgent;
7     use JSON;
8     use Data::Dump qw/dump/;
9     use File::Path qw/mkpath/;
10     use File::Slurp qw//;
11     use File::Find;
12     use HTTP::Request::Common;
13     use MIME::Base64;
14    
15     use lib qw(lib ../lib);
16     use Media::Type::Simple;
17    
18    
19     # design-couch.pl
20     #
21     # 04/26/09 21:12:28 CEST Dobrica Pavlinusic <dpavlin@rot13.org>
22    
23     my ( $command, $database, $design ) = @ARGV;
24     die "usage: $0 [push|pull] database design\n" unless $database && $design;
25    
26 dpavlin 341 if ( ! -e $design && $command eq 'pull') {
27     warn "# create new design $design\n";
28     mkdir $design;
29     }
30    
31 dpavlin 248 chdir $design || die "can't find $design: $!";
32    
33     my $ua = LWP::UserAgent->new;
34    
35     my $url = "http://localhost:5984/$database/_design/$design";
36    
37     sub create_path {
38     my $path = shift;
39     if ( $path =~ m{/} ) {
40     my $dir = $path;
41     $dir =~ s{/[^/]+$}{};
42     mkpath $dir if ! -e $dir;
43     #warn "# dir $dir";
44     }
45     }
46     sub write_file {
47     my ( $path, $content ) = @_;
48     $path =~ s{^/+}{};
49     create_path $path;
50     File::Slurp::write_file $path, $content;
51     print "$path ", -s $path, " bytes created\n";
52     }
53    
54     sub write_attachment {
55     my ( $path ) = @_;
56     my $file = "_attachemnts/$path";
57     create_path $file;
58     $ua->mirror( "$url/$path", $file );
59     print "detached $file ", -s $file, " bytes\n";
60     }
61    
62    
63     sub unroll {
64     my ( $tree, $path ) = @_;
65    
66     my $ref = ref $tree;
67     if ( $ref eq 'HASH' ) {
68     foreach my $child ( keys %$tree ) {
69     if ( $child eq '_attachments' ) {
70     write_attachment $_ foreach keys %{ $tree->{$child} };
71     } else {
72     unroll( $tree->{$child}, $path ? "$path/$child" : $child );
73     }
74     }
75     } elsif ( $ref ) {
76     warn "UNSUPPORTED $path $ref ", dump( $tree );
77     write_file "$path.json", to_json $tree;
78     } elsif ( $ref eq '' ) {
79    
80     if ( $tree =~ m[^\s*(function(.*){.*}|/\*|//|var)]is ) {
81     $path .= '.js';
82     } elsif ( $tree =~ m{<%=.*%>} ) { # couchapp template
83     $path .= '.html';
84     } else {
85     warn "# can't detect type of $path\n";
86     }
87    
88     write_file $path, $tree;
89     }
90    
91     }
92    
93     if ( $command eq 'pull' ) {
94    
95     warn "# get $url\n";
96     my $response = $ua->get( $url );
97     die $response->status_line if $response->is_error;
98    
99     my $json = $response->decoded_content;
100     write_file "../$database-$design.pull.js", $json;
101    
102     unroll( from_json $json, '' );
103    
104     } elsif ( $command eq 'push' ) {
105    
106     my $json;
107    
108     find({ no_chdir => 1, wanted => sub {
109     my $path = $File::Find::name;
110     return unless -f $path;
111 dpavlin 252 return if $path =~ m{/\.svn};
112 dpavlin 248
113     warn "## $path\n";
114    
115     $path =~ s{^\./}{};
116    
117     if ( $path =~ m{_attachemnts/(.+)} ) {
118    
119     my $filename = $1;
120     my $content_type = 'text/plain';
121     $content_type = type_from_ext($1) if $filename =~ m{\.(\w+)$};
122    
123     my $data = File::Slurp::read_file( $path );
124     $data = encode_base64( $data );
125     # XXX inline attachments must be single line
126     # XXX http://wiki.apache.org/couchdb/HTTP_Document_API
127     $data =~ s/[\n\r]+//gs;
128     $json->{_attachments}->{ $filename } = {
129     content_type => $content_type,
130     data => $data,
131     };
132     return;
133     }
134    
135     my $data = File::Slurp::read_file( $path );
136     $path =~ s[/]['}->{']g;
137     $path =~ s{\.\w+$}{};
138     my $code = "\$json->{'$path'} = \$data;";
139     eval $code;
140     die "ERROR in $code: $@" if $@;
141     # warn "## json = ",dump( $json );
142     }}, '.' );
143    
144     if ( ! defined $json->{_id} ) {
145     warn "creating _id for document\n";
146     $json->{_id} = $$ . '-' . time();
147     }
148     delete( $json->{_rev} ) && warn "removing _rev from document\n";
149    
150     print "push $database/_design/$design\n";
151     write_file "../$database-$design.push.js", to_json $json;
152    
153     warn "# put $url\n";
154     my $response = $ua->request(
155     HTTP::Request::Common::PUT(
156     $url,
157     'Content-Type' => 'application/json',
158     Content => to_json $json,
159     )
160     );
161    
162     if ( $response->code == 409 ) {
163     warn "## update $url\n";
164     my $response = $ua->get( $url );
165     die $response->status_line if $response->is_error;
166    
167     my $data = from_json $response->decoded_content;
168     $json->{$_} = $data->{$_} foreach ( '_rev', '_id' );
169    
170     $response = $ua->request( HTTP::Request::Common::PUT($url, 'Content-Type' => 'application/json', Content => to_json $json ) );
171     die $response->status_line if $response->is_error;
172     warn "push updated $url\n";
173     } else {
174     die $response->status_line if $response->is_error;
175     warn "push new $url\n";
176     }
177    
178     } else {
179     die "$0: unknown command $command";
180     }
181    

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