gistfile1.txt

<%= form_for @changeset, @action, fn f -> %>
<%= for {[id, name], ae} <- Enum.group_by(f.data.appentries, &([&1.sqmentry.sqmgroup.id, &1.sqmentry.sqmgroup.name])) do %>
  <div>Group: <%= name %></div>
  # Here I have to iterate the hierarchy
  <%= inputs_for f, :appentries, fn e -> %>
    <%= inputs_for e, :sqmentry, fn s -> %>
      <%= inputs_for s, :sqmgroup, fn g -> %>
        <div>
            # input field goes here for  (e, :status)
        </div>
      <% end %>
    <% end %>
  <% end %>
<% end %>
<% end %>