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]}->{foreign_class};
75 # return $related->{foreign_class};
79 sub do_edit : Exported {
80 my ( $self, $r ) = @_;
81 my $h = CGI::Untaint->new( %{ $r->{params} } );
83 my ($obj) = @{ $r->objects || [] };
86 # We have something to edit
87 $obj->update_from_cgi( $h =>
88 { required => $r->{config}{ $r->{table} }{required_cols} || [], }
93 $self->create_from_cgi( $h =>
94 { required => $r->{config}{ $r->{table} }{required_cols} || [], }
98 if ( my %errors = $obj->cgi_update_errors ) {
100 # Set it up as it was:
101 $r->{template_args}{cgi_params} = $r->{params};
102 $r->{template_args}{errors} = \%errors;
103 $r->{template} = "edit";
104 undef $obj if $creating; # Couldn't create
107 $r->{template} = "view";
109 $r->objects( [$obj] );
112 sub delete : Exported {
113 return shift->SUPER::delete(@_) if caller ne "Maypole::Model::Base";
114 my ( $self, $r ) = @_;
115 $_->SUPER::delete for @{ $r->objects || [] };
116 $r->objects( [ $self->retrieve_all ] );
117 $r->{template} = "list";
121 sub stringify_column {
124 $class->columns("Stringify"),
125 ( grep { /(name|title)/i } $class->columns ),
126 ( grep { !/id$/i } $class->primary_columns ),
131 my ( $self, $child ) = @_;
132 $child->autoupdate(1);
133 if ( my $col = $child->stringify_column ) {
134 $child->columns( Stringify => $col );
138 sub search : Exported {
139 return shift->SUPER::search(@_) if caller ne "Maypole::Model::Base";
141 # A real CDBI search.
142 my ( $self, $r ) = @_;
143 my %fields = map { $_ => 1 } $self->columns;
144 my $oper = "like"; # For now
145 my %params = %{ $r->{params} };
146 my %values = map { $_ => { $oper, $params{$_} } }
147 grep { $params{$_} and $fields{$_} } keys %params;
149 $r->template("list");
150 if ( !%values ) { return $self->list($r) }
151 my $order = $self->order($r);
152 $self = $self->do_pager($r);
156 \%values, ( $order ? { order => $order } : () )
160 $r->{template_args}{search} = 1;
164 my ( $self, $r ) = @_;
165 if ( my $rows = $r->config->rows_per_page ) {
166 return $r->{template_args}{pager} =
167 $self->pager( $rows, $r->query->{page} );
169 else { return $self }
173 my ( $self, $r ) = @_;
175 my %ok_columns = map { $_ => 1 } $self->columns;
176 if ( $order = $r->query->{order} and $ok_columns{$order} ) {
177 $order .= ( $r->query->{o2} eq "desc" && " DESC" );
182 sub list : Exported {
183 my ( $self, $r ) = @_;
184 my $order = $self->order($r);
185 $self = $self->do_pager($r);
187 $r->objects( [ $self->retrieve_all_sorted_by($order) ] );
190 $r->objects( [ $self->retrieve_all ] );
195 my ( $self, $config, $namespace, $dsn, $u, $p, $opts ) = @_;
196 $dsn ||= $config->dsn;
197 $u ||= $config->user;
198 $p ||= $config->pass;
199 $opts ||= $config->opts;
201 $config->loader || $config->loader(
202 Class::DBI::Loader->new(
203 namespace => $namespace,
210 $config->{classes} = [ $config->{loader}->classes ];
211 $config->{tables} = [ $config->{loader}->tables ];
215 my ( $self, $r, $table ) = @_;
216 return $r->config->loader->_table2class($table);