4 use base 'OpenSRF::Application';
5 use OpenSRF::Utils::Logger;
6 use OpenSRF::Utils::SettingsClient;
10 my $log = 'OpenSRF::Utils::Logger';
12 use vars qw/$fieldmap $VERSION/;
14 sub publish_fieldmapper {
15 my ($self,$client,$class) = @_;
17 return $fieldmap unless (defined $class);
18 return undef unless (exists($$fieldmap{$class}));
19 return {$class => $$fieldmap{$class}};
21 __PACKAGE__->register_method(
22 api_name => 'opensrf.open-ils.system.fieldmapper',
24 method => 'publish_fieldmapper',
28 # To dump the Javascript version of the fieldmapper struct use the command:
30 # PERL5LIB=~/cvs/ILS/OpenSRF/src/perlmods/:~/cvs/ILS/Open-ILS/src/perlmods/ GEN_JS=1 perl -MOpenILS::Utils::Fieldmapper -e 'print "\n";'
32 # ... adjusted for your CVS sandbox, of course.
36 return () unless (defined $fieldmap);
37 return keys %$fieldmap;
45 return if (keys %$fieldmap);
46 return if (!OpenSRF::System->connected && !$args{IDL});
49 my $file = $args{IDL} || OpenSRF::Utils::SettingsClient->new->config_value( 'IDL' );
50 my $idl = XMLin( $file, ForceArray => 0, KeyAttr => ['name', 'key', 'id'] )->{class};
51 for my $c ( keys %$idl ) {
52 next unless ($idl->{$c}{'oils_obj:fieldmapper'});
53 my $n = 'Fieldmapper::'.$idl->{$c}{'oils_obj:fieldmapper'};
55 $log->debug("Building Fieldmapper clas for [$n] from IDL");
57 $$fieldmap{$n}{hint} = $c;
58 $$fieldmap{$n}{virtual} = ($idl->{$c}{'oils_persist:virtual'} eq 'true') ? 1 : 0;
59 $$fieldmap{$n}{table} = $idl->{$c}{'oils_persist:tablename'};
60 $$fieldmap{$n}{identity} = $idl->{$c}{fields}{'oils_persist:primary'};
62 for my $f ( keys %{ $idl->{$c}{fields}{field} } ) {
63 $$fieldmap{$n}{fields}{$f} =
64 { virtual => ($idl->{$c}{fields}{field}{$f}{'oils_persist:virtual'} eq 'true') ? 1 : 0,
65 position => $idl->{$c}{fields}{field}{$f}{'oils_obj:array_position'},
71 #-------------------------------------------------------------------------------
72 # Now comes the evil! Generate classes
74 for my $pkg ( __PACKAGE__->classes ) {
75 (my $cdbi = $pkg) =~ s/^Fieldmapper:://o;
79 use base 'Fieldmapper';
83 for my $vfield ( qw/isnew ischanged isdeleted/ ) {
84 $$fieldmap{$pkg}{fields}{$vfield} = { position => $pos, virtual => 1 };
88 if (exists $$fieldmap{$pkg}{proto_fields}) {
89 for my $pfield ( sort keys %{ $$fieldmap{$pkg}{proto_fields} } ) {
90 $$fieldmap{$pkg}{fields}{$pfield} = { position => $pos, virtual => $$fieldmap{$pkg}{proto_fields}{$pfield} };
95 JSON->register_class_hint(
96 hint => $pkg->json_hint,
107 $value = [] unless (defined $value);
108 return bless $value => $self->class_name;
121 (my $field = $AUTOLOAD) =~ s/^.*://o;
122 my $class_name = $obj->class_name;
125 $fpos =~ s/^clear_//og ;
127 my $pos = $$fieldmap{$class_name}{fields}{$fpos}{position};
129 if ($field =~ /^clear_/o) {
131 *{$obj->class_name."::$field"} = sub {
133 $self->[$pos] = undef;
137 return $obj->$field();
140 die "No field by the name $field in $class_name!"
141 unless (exists $$fieldmap{$class_name}{fields}{$field} && defined($pos));
145 *{$obj->class_name."::$field"} = sub {
148 $self->[$pos] = $new_val if (defined $new_val);
149 return $self->[$pos];
152 return $obj->$field($value);
156 my $class_name = shift;
157 return $$fieldmap{$class_name}{identity};
161 my $class_name = shift;
162 return $$fieldmap{$class_name}{table};
166 my $class_name = shift;
167 return ref($class_name) || $class_name;
172 my $class_name = $self->class_name;
173 my $fields = $$fieldmap{$class_name}{fields};
176 !$$fields{$_}{virtual}
177 } sort {$$fields{$a}{position} <=> $$fields{$b}{position}} keys %$fields;
185 my $class_name = $self->class_name;
186 return 1 if grep { $_ eq $field } keys %{$$fieldmap{$class_name}{fields}};
192 my $class_name = $self->class_name;
193 return keys %{$$fieldmap{$class_name}{fields}};
200 for my $f ($self->properties) {
210 return $self->new( [@$self] );
215 return $fieldmap->{$self->class_name}->{api_level};
220 return $fieldmap->{$self->class_name}->{cdbi};
226 return $fieldmap->{$self->class_name}->{proto_fields}->{$field} if ($field);
227 return $fieldmap->{$self->class_name}->{virtual};
233 return $fieldmap->{$self->class_name}->{readonly};
238 return $fieldmap->{$self->class_name}->{hint};