<%= form_for @changeset, @action, fn f -> %> <%= if @changeset.action do %>

Oops, something went wrong! Please check the errors below.

<% end %>

<%= label f, :roles, class: "control-label" %> <%= number_input f, :roles, class: "form-control" %> <%= error_tag f, :roles %>

<%= submit "Submit", class: "btn btn-primary" %>

<% end %>