@php
    $relation = Str::before($column_name, '_id');
    $field = 'id';
@endphp
@if (isset($item->$relation) == null)
  -
@elseif (isset($item->$relation->fullName))
    {{ $item->$relation->fullName }}
@else
    <a href="{{ route('admin.orders.show', $item->$relation->id) }}">MPL kód: {{ $item->$relation->mpl_code ?? '-' }} </a>
    @if($item->$relation->mpl_code)
    <br/>Csomag címirat: <a href="{{ route('admin.shipments.label', $item->id)}}" target="shipment_label"><i class="fas fa-file-pdf"></i></a>
    @endif
@endif

{{-- @php
    $relation = Str::before($column_name, '_id');
    $field = 'id';
@endphp
{
    render: function ( data, type, row, meta ) {
        if(!row.{{$relation}}) return null;
        url = '{{ route('admin.orders.show', ':slug') }}'.replace(':slug', row.{{$relation}}.{{$field}});
        return '<a href="'+url+'">Nyugta: '+ ( row.{{$relation}}.invoice_number ?? '-' ) +'</a>';
    },
    data: '{{$relation}}[,{{$field}}]',
    name: '{{$relation}}.{{$field}}',
    className: 'align-middle'
}, --}}