app/views/projects/index.html.erb
<div class="page-header">
<h1><%= "#{Project.model_name.human(count: 2)}" %></h1>
</div>
<% if user_signed_in? %>
<p>
<%= link_to t_action(:create, Project), new_project_path, class: 'btn btn-primary' %>
</p>
<%else%>
<p class="alert alert-warning alert-dismissable">
<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>
<%= t('unauthenticated', action: t_action(:create, Project, count: 2).downcase) %>
</p>
<% end %>
<%= render partial: 'shared/project_list', locals: {projects: @projects} %>