app/views/stat_board/stats/index.html.erb
<% if StatBoard.models %>
<% if StatBoard.display_graph %>
<%= render "graph" %>
<% end %>
<div class="statboard-filter">
<%= form_for :stats, method: :get do |f| %>
<%= f.date_field :start_at, value: start_at %>
<%= f.date_field :end_at, value: end_at %>
<%= f.submit "Filter", class: "btn btn-primary" %>
<%= link_to "Clear", {}, class: "btn" %>
<% end %>
</div>
<div class="row">
<%= render :partial => "chart", :collection => @reports, :as => :report %>
</div>
<% else %>
Please specify some models by setting <code>StatBoard.models</code>
(in <code>config/initializers/stat_board.rb</code>, for example).
<% end %>