/app/views/shared/_navbar.html.erb
<nav class="navbar navbar-default navbar-static-top">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<a class="navbar-brand" href="#">Computação na Prática</a>
<div id="navbar" class="navbar-collapse collapse">
<ul class="nav navbar-nav navbar-right">
<% if (!user_signed_in?) %>
<li><%= link_to "Login", new_user_session_path %> </li>
<li><%= link_to "Cadastrar", new_user_registration_path %> </li>
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">
<%= current_user.email %> <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Gerenciar cursos</a></li>
<li><a href="#">Gerenciar reservas</a></li>
<li><a href="#">Suas reservas</a></li>
<li><a href="#">Seus cursos</a></li>
<li role="separator" class="divider"></li>
<li><%= link_to "Alterar Perfil", edit_user_registration_path %></li>
<li><%= link_to "Sair", destroy_user_session_path, method: :delete %></li>
<ul class="nav navbar-nav navbar-right">
<li><a href="#">Pesquisa</a></li>
<li class="active"><a href="#">Cursos</a></li>
<li><a href="#">Notícias</a></li>
</div><!--/.nav-collapse -->