2 use OpenSRF::Utils::JSON;
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 $log->debug("Building Fieldmapper class for [$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}{sequence} = $idl->{$c}{fields}{'oils_persist:sequence'};
61 $$fieldmap{$n}{identity} = $idl->{$c}{fields}{'oils_persist:primary'};
63 for my $f ( keys %{ $idl->{$c}{fields}{field} } ) {
64 $$fieldmap{$n}{fields}{$f} =
65 { virtual => ($idl->{$c}{fields}{field}{$f}{'oils_persist:virtual'} eq 'true') ? 1 : 0,
66 position => $idl->{$c}{fields}{field}{$f}{'oils_obj:array_position'},
69 if ($idl->{$c}{fields}{field}{$f}{'reporter:selector'}) {
70 $$fieldmap{$n}{selector} = $idl->{$c}{fields}{field}{$f}{'reporter:selector'};
76 #-------------------------------------------------------------------------------
77 # Now comes the evil! Generate classes
79 for my $pkg ( __PACKAGE__->classes ) {
80 (my $cdbi = $pkg) =~ s/^Fieldmapper:://o;
84 use base 'Fieldmapper';
88 for my $vfield ( qw/isnew ischanged isdeleted/ ) {
89 $$fieldmap{$pkg}{fields}{$vfield} = { position => $pos, virtual => 1 };
93 if (exists $$fieldmap{$pkg}{proto_fields}) {
94 for my $pfield ( sort keys %{ $$fieldmap{$pkg}{proto_fields} } ) {
95 $$fieldmap{$pkg}{fields}{$pfield} = { position => $pos, virtual => $$fieldmap{$pkg}{proto_fields}{$pfield} };
100 OpenSRF::Utils::JSON->register_class_hint(
101 hint => $pkg->json_hint,
112 $value = [] unless (defined $value);
113 return bless $value => $self->class_name;
126 (my $field = $AUTOLOAD) =~ s/^.*://o;
127 my $class_name = $obj->class_name;
130 $fpos =~ s/^clear_//og ;
132 my $pos = $$fieldmap{$class_name}{fields}{$fpos}{position};
134 if ($field =~ /^clear_/o) {
136 *{$obj->class_name."::$field"} = sub {
138 $self->[$pos] = undef;
142 return $obj->$field();
145 die "No field by the name $field in $class_name!"
146 unless (exists $$fieldmap{$class_name}{fields}{$field} && defined($pos));
150 *{$obj->class_name."::$field"} = sub {
153 $self->[$pos] = $new_val if (defined $new_val);
154 return $self->[$pos];
157 return $obj->$field($value);
162 return $$fieldmap{$self->class_name}{selector};
167 return $$fieldmap{$self->class_name}{identity};
172 return $$fieldmap{$self->class_name}{sequence};
177 return $$fieldmap{$self->class_name}{table};
181 my $class_name = shift;
182 return ref($class_name) || $class_name;
187 my $class_name = $self->class_name;
188 my $fields = $$fieldmap{$class_name}{fields};
191 !$$fields{$_}{virtual}
192 } sort {$$fields{$a}{position} <=> $$fields{$b}{position}} keys %$fields;
200 my $class_name = $self->class_name;
201 return 1 if grep { $_ eq $field } keys %{$$fieldmap{$class_name}{fields}};
207 my $class_name = $self->class_name;
208 return keys %{$$fieldmap{$class_name}{fields}};
215 for my $f ($self->properties) {
225 return $self->new( [@$self] );
230 return $fieldmap->{$self->class_name}->{api_level};
235 return $fieldmap->{$self->class_name}->{cdbi};
241 return $fieldmap->{$self->class_name}->{proto_fields}->{$field} if ($field);
242 return $fieldmap->{$self->class_name}->{virtual};
248 return $fieldmap->{$self->class_name}->{readonly};
253 return $fieldmap->{$self->class_name}->{hint};