<%= search_form_for(moderator_dashboard_path) do |f| %>
  <%= f.input :min_date, as: :date, html5: true, input_html: { value: @dashboard.min_date } %>
  <%= f.input :max_level, collection: User.level_hash.to_a, include_blank: true, selected: @dashboard.max_level %>
  <%= f.submit "Search" %>
<% end %>
