- $filters{numberfield} = $type eq 'service' ? 'servicenumber' : 'articlenumber';
- $filters{numberfield} = $type eq 'assembly' ? 'assemblynumber' : $filters{numberfield};
+ my %numberfield_hash = ( service => 'servicenumber',
+ assembly => 'assemblynumber',
+ assortment => 'assortmentnumber',
+ part => 'articlenumber'
+ );
+ $filters{numberfield} = $numberfield_hash{$type};