/[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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Contents of /couchdb/design-couch.pl

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Revision 367 - (show annotations)
Sun Aug 30 11:56:31 2009 UTC (10 years, 10 months ago) by dpavlin
File MIME type: text/plain
File size: 4358 byte(s)
add to subversion on pull
1 #!/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 if ( ! -e $design && $command eq 'pull') {
27 warn "# create new design $design\n";
28 mkdir $design;
29 }
30
31 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
47 sub svn {
48 my $path = shift;
49 return if $path =~ m{(_rev|.*\.(push|pull)\.js)$};
50 system "svn add --parents $path";
51 }
52
53 sub write_file {
54 my ( $path, $content ) = @_;
55 $path =~ s{^/+}{};
56 create_path $path;
57 File::Slurp::write_file $path, $content;
58 print "$path ", -s $path, " bytes created\n";
59 svn $path;
60 }
61
62 sub write_attachment {
63 my ( $path ) = @_;
64 my $file = "_attachemnts/$path";
65 create_path $file;
66 $ua->mirror( "$url/$path", $file );
67 print "detached $file ", -s $file, " bytes\n";
68 svn $file;
69 }
70
71
72 sub unroll {
73 my ( $tree, $path ) = @_;
74
75 my $ref = ref $tree;
76 if ( $ref eq 'HASH' ) {
77 foreach my $child ( keys %$tree ) {
78 if ( $child eq '_attachments' ) {
79 write_attachment $_ foreach keys %{ $tree->{$child} };
80 } else {
81 unroll( $tree->{$child}, $path ? "$path/$child" : $child );
82 }
83 }
84 } elsif ( $ref ) {
85 warn "UNSUPPORTED $path $ref ", dump( $tree );
86 write_file "$path.json", to_json $tree;
87 } elsif ( $ref eq '' ) {
88
89 if ( $tree =~ m[^\s*(function(.*){.*}|/\*|//|var)]is ) {
90 $path .= '.js';
91 } elsif ( $tree =~ m{<%=.*%>} ) { # couchapp template
92 $path .= '.html';
93 } else {
94 warn "# can't detect type of $path\n";
95 }
96
97 write_file $path, $tree;
98 }
99
100 }
101
102 if ( $command eq 'pull' ) {
103
104 warn "# get $url\n";
105 my $response = $ua->get( $url );
106 die $response->status_line if $response->is_error;
107
108 my $json = $response->decoded_content;
109 write_file "../$database-$design.pull.js", $json;
110
111 unroll( from_json $json, '' );
112
113 } elsif ( $command eq 'push' ) {
114
115 my $json;
116
117 find({ no_chdir => 1, wanted => sub {
118 my $path = $File::Find::name;
119 return unless -f $path;
120 return if $path =~ m{/\.svn};
121
122 warn "## $path\n";
123
124 $path =~ s{^\./}{};
125
126 if ( $path =~ m{_attachemnts/(.+)} ) {
127
128 my $filename = $1;
129 my $content_type = 'text/plain';
130 $content_type = type_from_ext($1) if $filename =~ m{\.(\w+)$};
131
132 my $data = File::Slurp::read_file( $path );
133 $data = encode_base64( $data );
134 # XXX inline attachments must be single line
135 # XXX http://wiki.apache.org/couchdb/HTTP_Document_API
136 $data =~ s/[\n\r]+//gs;
137 $json->{_attachments}->{ $filename } = {
138 content_type => $content_type,
139 data => $data,
140 };
141 return;
142 }
143
144 my $data = File::Slurp::read_file( $path );
145 $path =~ s[/]['}->{']g;
146 $path =~ s{\.\w+$}{};
147 my $code = "\$json->{'$path'} = \$data;";
148 eval $code;
149 die "ERROR in $code: $@" if $@;
150 # warn "## json = ",dump( $json );
151 }}, '.' );
152
153 if ( ! defined $json->{_id} ) {
154 warn "creating _id for document\n";
155 $json->{_id} = $$ . '-' . time();
156 }
157 delete( $json->{_rev} ) && warn "removing _rev from document\n";
158
159 print "push $database/_design/$design\n";
160 write_file "../$database-$design.push.js", to_json $json;
161
162 warn "# put $url\n";
163 my $response = $ua->request(
164 HTTP::Request::Common::PUT(
165 $url,
166 'Content-Type' => 'application/json',
167 Content => to_json $json,
168 )
169 );
170
171 if ( $response->code == 409 ) {
172 warn "## update $url\n";
173 my $response = $ua->get( $url );
174 die $response->status_line if $response->is_error;
175
176 my $data = from_json $response->decoded_content;
177 $json->{$_} = $data->{$_} foreach ( '_rev', '_id' );
178
179 $response = $ua->request( HTTP::Request::Common::PUT($url, 'Content-Type' => 'application/json', Content => to_json $json ) );
180 die $response->status_line if $response->is_error;
181 warn "push updated $url\n";
182 } else {
183 die $response->status_line if $response->is_error;
184 warn "push new $url\n";
185 }
186
187 } else {
188 die "$0: unknown command $command";
189 }
190

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