# stornoed credit_notes are still credit notes and not invoices
return 'credit_note' if $self->type eq 'credit_note' && $self->amount < 0;
return 'invoice_storno' if $self->type ne 'credit_note' && $self->amount < 0 && $self->storno;
# stornoed credit_notes are still credit notes and not invoices
return 'credit_note' if $self->type eq 'credit_note' && $self->amount < 0;
return 'invoice_storno' if $self->type ne 'credit_note' && $self->amount < 0 && $self->storno;
return t8('Credit Note') if $self->invoice_type eq 'credit_note';
return t8('Invoice') . "(" . t8('Storno') . ")" if $self->invoice_type eq 'invoice_storno';
return t8('Credit Note') . "(" . t8('Storno') . ")" if $self->invoice_type eq 'credit_note_storno';
return t8('Credit Note') if $self->invoice_type eq 'credit_note';
return t8('Invoice') . "(" . t8('Storno') . ")" if $self->invoice_type eq 'invoice_storno';
return t8('Credit Note') . "(" . t8('Storno') . ")" if $self->invoice_type eq 'credit_note_storno';
return t8('Credit note (one letter abbreviation)') if $self->invoice_type eq 'credit_note';
return t8('Invoice (one letter abbreviation)') . "(" . t8('Storno (one letter abbreviation)') . ")" if $self->invoice_type eq 'invoice_storno';
return t8('Credit note (one letter abbreviation)') . "(" . t8('Storno (one letter abbreviation)') . ")" if $self->invoice_type eq 'credit_note_storno';
return t8('Credit note (one letter abbreviation)') if $self->invoice_type eq 'credit_note';
return t8('Invoice (one letter abbreviation)') . "(" . t8('Storno (one letter abbreviation)') . ")" if $self->invoice_type eq 'invoice_storno';
return t8('Credit note (one letter abbreviation)') . "(" . t8('Storno (one letter abbreviation)') . ")" if $self->invoice_type eq 'credit_note_storno';