frenzy/lib/frenzy_web/templates/item/show.html.eex

<h1>
  <a href="<%= @item.url %>"><%= @item.title %></a>    
</h1>

<%= if @item.read do %>
  <%= form_tag Routes.item_path(@conn, :unread, @item.id), method: :post do %>
    <%= submit "Mark as Unread", class: "btn btn-secondary" %>
  <% end %>
<% else %>
  <%= form_tag Routes.item_path(@conn, :read, @item.id), method: :post do %>
    <%= submit "Mark as Read", class: "btn btn-secondary" %>
  <% end %>
<% end %>

<article class="mt-4">
  <%= raw(@item.content) %>
</article>