limiting a solr search result to particular attributes
searchable do
  text  :audience, :topic, :body
end

def topic
if params[:find_by] == 'topic'
  nuggets = Nugget.where(['topic = ?', params[:topic_name]])
  @nuggets = nuggets.paginate(:page => params[:page],:per_page => 35)
  @title = @nuggets.first.topic
else
  @search = Nugget.search do
    fulltext params[:search]
    paginate :page => params[:page], :per_page => 35
  end
  @nuggets = @search.results
end
end

<%= form_tag topic_nuggets_path, :method => :get do %>
   <p>
     <%= text_field_tag :search, params[:search] %>
     <%= submit_tag "Search", :name => nil %>
   </p>
<% end %>