app/views/users/index.html.erb
<h1> Users </h1>
<% if @users.empty? %>
<p>No users found.</p>
<% else %>
<table>
<tr>
<th>Name</th>
<th>email</th>
<th>administrator</th>
<th>Projects</th>
<th></th>
</tr>
<% @users.each do |user| %>
<tr>
<td><%= link_to user.name, user_path(user) %></td>
<td><%= user.email %></td>
<td><%= content_tag(:span, user.is_administrator?, class: user.is_administrator? ? 'passed' : nil) %></td>
<td><%= h(user.projects.order(:name).collect { |p| p.name }.join('; ')).html_safe %></td>
<td><span class="disabled"> Destroy </span>
<% end %>
</table>
<% end %>