@model HN.Application.CommentLinkCommand

<div>
  <h3 class="add-a-comment">Add a comment</h3>
  @if (User.Identity.IsAuthenticated)
  {
    <form class="form" asp-action="Create" asp-controller="Comments" method="post">
      <div class="field">
        <input type="hidden" asp-for="@Model.LinkId" />
        <textarea asp-for="@Model.Content"></textarea>
        <span asp-validation-for="@Model.Content"></span>
      </div>

      <button type="submit">Post a comment</button>
    </form>
  }
  else
  {
    <p>Only logged in users can comment.</p>
  }
</div>