1 package Maypole::Model::CDBI;
2 use base qw(Maypole::Model::Base Class::DBI);
3 use Class::DBI::AsForm;
4 use Class::DBI::FromCGI;
5 use Class::DBI::Loader;
6 use Class::DBI::AbstractSearch;
7 use Class::DBI::Plugin::RetrieveAll;
10 use Lingua::EN::Inflect::Number qw(to_PL);
16 Maypole::Model::CDBI - Model class based on Class::DBI
20 This is a master model class which uses C<Class::DBI> to do all the hard
21 work of fetching rows and representing them as objects. It is a good
22 model to copy if you're replacing it with other database abstraction
25 It implements a base set of methods required for a Maypole Data Model.
26 See L<Maypole::Model::Base> for these:
44 =head1 Additional Commands
50 Surprisingly, this command causes a database record to be forever lost.
58 =item stringify_column
65 my ( $self, $r ) = @_;
66 return keys %{ $self->meta_info('has_many') || {} };
70 my ( $self, $r, $accessor ) = @_;
71 my $related = $self->related->{$accessor};
72 if ( my $mapping = $related->{args}->{mapping} ) {
73 return $related->{foreign_class}->meta_info('has_a')->{ $$mapping[0] }
77 return $related->{foreign_class};
81 sub do_edit : Exported {
82 my ( $self, $r ) = @_;
83 my $h = CGI::Untaint->new( %{ $r->{params} } );
85 my ($obj) = @{ $r->objects || [] };
88 # We have something to edit
89 $obj->update_from_cgi( $h =>
90 { required => $r->{config}{ $r->{table} }{required_cols} || [], }
95 $self->create_from_cgi( $h =>
96 { required => $r->{config}{ $r->{table} }{required_cols} || [], }
100 if ( my %errors = $obj->cgi_update_errors ) {
102 # Set it up as it was:
103 $r->{template_args}{cgi_params} = $r->{params};
104 $r->{template_args}{errors} = \%errors;
105 $r->{template} = "edit";
106 undef $obj if $creating; # Couldn't create
109 $r->{template} = "view";
111 $r->objects( [$obj] );
114 sub delete : Exported {
115 return shift->SUPER::delete(@_) if caller ne "Maypole::Model::Base";
116 my ( $self, $r ) = @_;
117 $_->SUPER::delete for @{ $r->objects || [] };
118 $r->objects( [ $self->retrieve_all ] );
119 $r->{template} = "list";
123 sub stringify_column {
126 $class->columns("Stringify"),
127 ( grep { /(name|title)/i } $class->columns ),
128 ( grep { !/id$/i } $class->primary_columns ),
133 my ( $self, $child ) = @_;
134 $child->autoupdate(1);
135 if ( my $col = $child->stringify_column ) {
136 $child->columns( Stringify => $col );
140 sub search : Exported {
141 return shift->SUPER::search(@_) if caller ne "Maypole::Model::Base";
143 # A real CDBI search.
144 my ( $self, $r ) = @_;
145 my %fields = map { $_ => 1 } $self->columns;
146 my $oper = "like"; # For now
147 my %params = %{ $r->{params} };
148 my %values = map { $_ => { $oper, $params{$_} } }
149 grep { defined $params{$_} and $fields{$_} } keys %params;
151 $r->template("list");
152 if ( !%values ) { return $self->list($r) }
153 my $order = $self->order($r);
154 $self = $self->do_pager($r);
158 \%values, ( $order ? { order => $order } : () )
162 $r->{template_args}{search} = 1;
166 my ( $self, $r ) = @_;
167 if ( my $rows = $r->config->rows_per_page ) {
168 return $r->{template_args}{pager} =
169 $self->pager( $rows, $r->query->{page} );
171 else { return $self }
175 my ( $self, $r ) = @_;
177 my %ok_columns = map { $_ => 1 } $self->columns;
178 if ( $order = $r->query->{order} and $ok_columns{$order} ) {
179 $order .= ( $r->query->{o2} eq "desc" && " DESC" );
184 sub list : Exported {
185 my ( $self, $r ) = @_;
186 my $order = $self->order($r);
187 $self = $self->do_pager($r);
189 $r->objects( [ $self->retrieve_all_sorted_by($order) ] );
192 $r->objects( [ $self->retrieve_all ] );
197 my ( $self, $config, $namespace, $dsn, $u, $p, $opts ) = @_;
198 $dsn ||= $config->dsn;
199 $u ||= $config->user;
200 $p ||= $config->pass;
201 $opts ||= $config->opts;
203 $config->loader || $config->loader(
204 Class::DBI::Loader->new(
205 namespace => $namespace,
212 $config->{classes} = [ $config->{loader}->classes ];
213 $config->{tables} = [ $config->{loader}->tables ];
217 my ( $self, $r, $table ) = @_;
218 return $r->config->loader->_table2class($table);