<% receiver = @user ? @user : @course %>

Shoutbox

<% if session[:user] %> <% form_tag( {:controller => 'message', :action => 'create'}, {:id => 'shoutbox_form' }) do %>
<%= text_area :message, :body %> <%= hidden_field :message, :message_type, :value => (@user ? Message::USER_SHOUTBOX_MESSAGE : Message::SHOUTBOX_MESSAGE) %> <%= hidden_field :message, :receiver_id, :value => receiver.id %> <%= submit_tag 'Enviar', :id => 'shoutbox_send' %>
<% end %> <% else %> Para enviar mensagens, é preciso fazer <%= link_to 'login', :controller => 'user', :action => 'login' %>. <% end %>