{if $row.file}
    <a href="{$item->documentEditUrl|htmlspecialchars}&amp;id={$row.id}" class="btn btn-primary">Upload</a>
{else}
    <a href="{$item->documentUploadUrl|htmlspecialchars}&amp;documentTypeId={$row._documentTypeId}" class="btn btn-primary">Upload</a>
{/if}