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1 | package Catalyst::Helper::Model::DBIC::Schema; |
2 | |
3 | use strict; |
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4 | use warnings; |
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5 | |
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6 | our $VERSION = '0.21'; |
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7 | |
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8 | use Carp; |
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9 | use UNIVERSAL::require; |
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10 | |
11 | =head1 NAME |
12 | |
13 | Catalyst::Helper::Model::DBIC::Schema - Helper for DBIC Schema Models |
14 | |
15 | =head1 SYNOPSIS |
16 | |
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17 | script/create.pl model CatalystModelName DBIC::Schema MyApp::SchemaClass [ create=dynamic | create=static ] [ connect_info arguments ] |
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18 | |
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19 | =head1 DESCRIPTION |
20 | |
21 | Helper for the DBIC Schema Models. |
22 | |
23 | =head2 Arguments: |
24 | |
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25 | C<CatalystModelName> is the short name for the Catalyst Model class |
26 | being generated (i.e. callable with C<$c-E<gt>model('CatalystModelName')>). |
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27 | |
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28 | C<MyApp::SchemaClass> is the fully qualified classname of your Schema, |
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29 | which might or might not yet exist. Note that you should have a good |
30 | reason to create this under a new global namespace, otherwise use an |
31 | existing top level namespace for your schema class. |
32 | |
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33 | C<create=dynamic> instructs this Helper to generate the named Schema |
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34 | class for you, basing it on L<DBIx::Class::Schema::Loader> (which |
35 | means the table information will always be dynamically loaded at |
36 | runtime from the database). |
37 | |
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38 | C<create=static> instructs this Helper to generate the named Schema |
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39 | class for you, using L<DBIx::Class::Schema::Loader> in "one shot" |
40 | mode to create a standard, manually-defined L<DBIx::Class::Schema> |
41 | setup, based on what the Loader sees in your database at this moment. |
42 | A Schema/Model pair generated this way will not require |
43 | L<DBIx::Class::Schema::Loader> at runtime, and will not automatically |
44 | adapt itself to changes in your database structure. You can edit |
45 | the generated classes by hand to refine them. |
46 | |
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47 | C<connect_info> arguments are the same as what |
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48 | DBIx::Class::Schema::connect expects, and are storage_type-specific. |
49 | For DBI-based storage, these arguments are the dsn, username, |
50 | password, and connect options, respectively. These are optional for |
51 | existing Schemas, but required if you use either of the C<create=> |
52 | options. |
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53 | |
54 | Use of either of the C<create=> options requires L<DBIx::Class::Schema::Loader>. |
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55 | |
56 | =head1 TYPICAL EXAMPLES |
57 | |
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58 | # Use DBIx::Class::Schema::Loader to create a static DBIx::Class::Schema, |
59 | # and a Model which references it: |
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60 | script/myapp_create.pl model CatalystModelName DBIC::Schema MyApp::SchemaClass create=static dbi:mysql:foodb myuname mypass |
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61 | |
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62 | # Create a dynamic DBIx::Class::Schema::Loader-based Schema, |
63 | # and a Model which references it: |
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64 | script/myapp_create.pl model CatalystModelName DBIC::Schema MyApp::SchemaClass create=dynamic dbi:mysql:foodb myuname mypass |
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65 | |
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66 | # Reference an existing Schema of any kind, and provide some connection information for ->config: |
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67 | script/myapp_create.pl model CatalystModelName DBIC::Schema MyApp::SchemaClass dbi:mysql:foodb myuname mypass |
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68 | |
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69 | # Same, but don't supply connect information yet (you'll need to do this |
70 | # in your app config, or [not recommended] in the schema itself). |
71 | script/myapp_create.pl model ModelName DBIC::Schema My::SchemaClass |
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72 | |
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73 | =head1 METHODS |
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74 | |
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75 | =head2 mk_compclass |
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76 | |
77 | =cut |
78 | |
79 | sub mk_compclass { |
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80 | my ( $self, $helper, $schema_class, @connect_info) = @_; |
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81 | |
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82 | $helper->{schema_class} = $schema_class |
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83 | or croak "Must supply schema class name"; |
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84 | |
85 | my $create = ''; |
86 | if($connect_info[0] && $connect_info[0] =~ /^create=(dynamic|static)$/) { |
87 | $create = $1; |
88 | shift @connect_info; |
89 | } |
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90 | |
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91 | if(@connect_info) { |
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92 | $helper->{setup_connect_info} = 1; |
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93 | my @helper_connect_info = @connect_info; |
94 | for(@helper_connect_info) { |
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95 | $_ = qq{'$_'} if $_ !~ /^\s*[[{]/; |
96 | } |
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97 | $helper->{connect_info} = \@helper_connect_info; |
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98 | } |
99 | |
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100 | if($create eq 'dynamic') { |
101 | my @schema_parts = split(/\:\:/, $helper->{schema_class}); |
102 | my $schema_file_part = pop @schema_parts; |
103 | |
104 | my $schema_dir = File::Spec->catfile( $helper->{base}, 'lib', @schema_parts ); |
105 | my $schema_file = File::Spec->catfile( $schema_dir, $schema_file_part . '.pm' ); |
106 | |
107 | $helper->mk_dir($schema_dir); |
108 | $helper->render_file( 'schemaclass', $schema_file ); |
109 | } |
110 | elsif($create eq 'static') { |
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111 | my $schema_dir = File::Spec->catfile( $helper->{base}, 'lib' ); |
112 | DBIx::Class::Schema::Loader->use("dump_to_dir:$schema_dir", 'make_schema_at') |
113 | or croak "Cannot load DBIx::Class::Schema::Loader: $@"; |
114 | |
115 | my @loader_connect_info = @connect_info; |
116 | my $num = 6; # argument number on the commandline for "dbi:..." |
117 | for(@loader_connect_info) { |
118 | if(/^\s*[[{]/) { |
119 | $_ = eval "$_"; |
120 | croak "Perl syntax error in commandline argument $num: $@" if $@; |
121 | } |
122 | $num++; |
123 | } |
124 | |
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125 | # Check if we need to be backward-compatible. |
126 | my $compatible = 0; |
127 | |
128 | my @schema_pm = split '::', $schema_class; |
129 | $schema_pm[-1] .= '.pm'; |
130 | my $schema_file = File::Spec->catfile($helper->{base}, 'lib', @schema_pm); |
131 | |
132 | if (-f $schema_file) { |
133 | my $schema_code = do { local (@ARGV, $/) = $schema_file; <> }; |
134 | $compatible = 1 if $schema_code =~ /->load_classes/; |
135 | } |
136 | |
137 | if ($compatible) { |
138 | make_schema_at( |
139 | $schema_class, |
140 | { relationships => 1 }, |
141 | \@loader_connect_info, |
142 | ); |
143 | } else { # use some saner defaults |
144 | make_schema_at( |
145 | $schema_class, |
146 | { |
147 | relationships => 1, |
148 | use_namespaces => 1, |
149 | components => ['InflateColumn::DateTime'] |
150 | }, |
151 | \@loader_connect_info, |
152 | ); |
153 | } |
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154 | } |
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155 | |
156 | my $file = $helper->{file}; |
157 | $helper->render_file( 'compclass', $file ); |
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158 | } |
159 | |
160 | =head1 SEE ALSO |
161 | |
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162 | General Catalyst Stuff: |
163 | |
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164 | L<Catalyst::Manual>, L<Catalyst::Test>, L<Catalyst::Request>, |
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165 | L<Catalyst::Response>, L<Catalyst::Helper>, L<Catalyst>, |
166 | |
167 | Stuff related to DBIC and this Model style: |
168 | |
169 | L<DBIx::Class>, L<DBIx::Class::Schema>, |
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170 | L<DBIx::Class::Schema::Loader>, L<Catalyst::Model::DBIC::Schema> |
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171 | |
172 | =head1 AUTHOR |
173 | |
174 | Brandon L Black, C<blblack@gmail.com> |
175 | |
176 | =head1 LICENSE |
177 | |
178 | This library is free software, you can redistribute it and/or modify |
179 | it under the same terms as Perl itself. |
180 | |
181 | =cut |
182 | |
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183 | 1; |
184 | |
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185 | __DATA__ |
186 | |
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187 | =begin pod_to_ignore |
188 | |
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189 | __schemaclass__ |
190 | package [% schema_class %]; |
191 | |
192 | use strict; |
193 | use base qw/DBIx::Class::Schema::Loader/; |
194 | |
195 | __PACKAGE__->loader_options( |
196 | relationships => 1, |
197 | # debug => 1, |
198 | ); |
199 | |
200 | =head1 NAME |
201 | |
202 | [% schema_class %] - DBIx::Class::Schema::Loader class |
203 | |
204 | =head1 SYNOPSIS |
205 | |
206 | See L<[% app %]> |
207 | |
208 | =head1 DESCRIPTION |
209 | |
210 | Generated by L<Catalyst::Model::DBIC::Schema> for use in L<[% class %]> |
211 | |
212 | =head1 AUTHOR |
213 | |
214 | [% author %] |
215 | |
216 | =head1 LICENSE |
217 | |
218 | This library is free software, you can redistribute it and/or modify |
219 | it under the same terms as Perl itself. |
220 | |
221 | =cut |
222 | |
223 | 1; |
224 | |
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225 | __compclass__ |
226 | package [% class %]; |
227 | |
228 | use strict; |
229 | use base 'Catalyst::Model::DBIC::Schema'; |
230 | |
231 | __PACKAGE__->config( |
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232 | schema_class => '[% schema_class %]', |
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233 | [% IF setup_connect_info %]connect_info => [ |
234 | [% FOREACH arg = connect_info %][% arg %], |
235 | [% END %] |
236 | ],[% END %] |
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237 | ); |
238 | |
239 | =head1 NAME |
240 | |
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241 | [% class %] - Catalyst DBIC Schema Model |
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242 | =head1 SYNOPSIS |
243 | |
244 | See L<[% app %]> |
245 | |
246 | =head1 DESCRIPTION |
247 | |
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248 | L<Catalyst::Model::DBIC::Schema> Model using schema L<[% schema_class %]> |
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249 | |
250 | =head1 AUTHOR |
251 | |
252 | [% author %] |
253 | |
254 | =head1 LICENSE |
255 | |
256 | This library is free software, you can redistribute it and/or modify |
257 | it under the same terms as Perl itself. |
258 | |
259 | =cut |
260 | |
261 | 1; |