+ my @fields = eval { fields( $self->svcdb ) }; #might die
+ return "Unknown svcdb: ". $self->svcdb. " (Error: $@)"
+ unless @fields;
+
+ $self->SUPER::check;
+}
+
+=item part_svc_column COLUMNNAME
+
+Returns the part_svc_column object (see L<FS::part_svc_column>) for the given
+COLUMNNAME, or a new part_svc_column object if none exists.
+
+=cut
+
+sub part_svc_column {
+ my( $self, $columnname) = @_;
+ $self->svcpart &&
+ qsearchs('part_svc_column', {
+ 'svcpart' => $self->svcpart,
+ 'columnname' => $columnname,
+ }
+ ) or new FS::part_svc_column {
+ 'svcpart' => $self->svcpart,
+ 'columnname' => $columnname,
+ };
+}
+
+=item all_part_svc_column
+
+=cut
+
+sub all_part_svc_column {
+ my $self = shift;
+ qsearch('part_svc_column', { 'svcpart' => $self->svcpart } );
+}
+
+=item part_export [ EXPORTTYPE ]
+
+Returns a list of all exports (see L<FS::part_export>) for this service, or,
+if an export type is specified, only returns exports of the given type.
+
+=cut
+
+sub part_export {
+ my $self = shift;
+ my %search;
+ $search{'exporttype'} = shift if @_;
+ map { $_ } #behavior of sort undefined in scalar context
+ sort { $a->weight <=> $b->weight }
+ map { qsearchs('part_export', { 'exportnum'=>$_->exportnum, %search } ) }
+ qsearch('export_svc', { 'svcpart'=>$self->svcpart } );
+}
+
+=item part_export_usage
+
+Returns a list of any exports (see L<FS::part_export>) for this service that
+are capable of reporting usage information.
+
+=cut
+
+sub part_export_usage {
+ my $self = shift;
+ grep $_->can('usage_sessions'), $self->part_export;
+}
+
+=item part_export_did
+
+Returns a list of any exports (see L<FS::part_export>) for this service that
+are capable of returing available DID (phone number) information.
+
+=cut
+
+sub part_export_did {
+ my $self = shift;
+ grep $_->can_get_dids, $self->part_export;
+}
+
+=item part_export_dsl_pull
+
+Returns a list of any exports (see L<FS::part_export>) for this service that
+are capable of pulling/pushing DSL orders.
+
+=cut
+
+sub part_export_dsl_pull {
+ my $self = shift;
+ grep $_->can('dsl_pull'), $self->part_export;
+}
+
+=item cust_svc [ PKGPART ]
+
+Returns a list of associated customer services (FS::cust_svc records).
+
+If a PKGPART is specified, returns the customer services which are contained
+within packages of that type (see L<FS::part_pkg>). If PKGPARTis specified as
+B<0>, returns unlinked customer services.
+
+=cut
+
+sub cust_svc {
+ my $self = shift;
+
+ my $hashref = { 'svcpart' => $self->svcpart };
+
+ my( $addl_from, $extra_sql ) = ( '', '' );
+ if ( @_ ) {
+ my $pkgpart = shift;
+ if ( $pkgpart =~ /^(\d+)$/ ) {
+ $addl_from = 'LEFT JOIN cust_pkg USING ( pkgnum )';
+ $extra_sql = "AND pkgpart = $1";
+ } elsif ( $pkgpart eq '0' ) {
+ $hashref->{'pkgnum'} = '';
+ }
+ }
+
+ qsearch({
+ 'table' => 'cust_svc',
+ 'addl_from' => $addl_from,
+ 'hashref' => $hashref,
+ 'extra_sql' => $extra_sql,
+ });
+}
+
+=item num_cust_svc [ PKGPART ]
+
+Returns the number of associated customer services (FS::cust_svc records).
+
+If a PKGPART is specified, returns the number of customer services which are
+contained within packages of that type (see L<FS::part_pkg>). If PKGPART
+is specified as B<0>, returns the number of unlinked customer services.
+
+=cut
+
+sub num_cust_svc {
+ my $self = shift;
+
+ my @param = ( $self->svcpart );
+
+ my( $join, $and ) = ( '', '' );
+ if ( @_ ) {
+ my $pkgpart = shift;
+ if ( $pkgpart ) {
+ $join = 'LEFT JOIN cust_pkg USING ( pkgnum )';
+ $and = 'AND pkgpart = ?';
+ push @param, $pkgpart;
+ } elsif ( $pkgpart eq '0' ) {
+ $and = 'AND pkgnum IS NULL';
+ }
+ }
+
+ my $sth = dbh->prepare(
+ "SELECT COUNT(*) FROM cust_svc $join WHERE svcpart = ? $and"
+ ) or die dbh->errstr;
+ $sth->execute(@param)
+ or die $sth->errstr;
+ $sth->fetchrow_arrayref->[0];
+}
+
+=item svc_x
+
+Returns a list of associated FS::svc_* records.
+
+=cut
+
+sub svc_x {
+ my $self = shift;
+ map { $_->svc_x } $self->cust_svc;
+}
+
+=back
+
+=head1 CLASS METHODS
+
+=over 4
+
+=cut
+
+my $svc_defs;
+sub _svc_defs {
+
+ return $svc_defs if $svc_defs; #cache
+
+ my $conf = new FS::Conf;
+
+ #false laziness w/part_pkg.pm::plan_info
+
+ my %info;
+ foreach my $INC ( @INC ) {
+ warn "globbing $INC/FS/svc_*.pm\n" if $DEBUG;
+ foreach my $file ( glob("$INC/FS/svc_*.pm") ) {
+
+ warn "attempting to load service table info from $file\n" if $DEBUG;
+ $file =~ /\/(\w+)\.pm$/ or do {
+ warn "unrecognized file in $INC/FS/: $file\n";