app/views/albums/index.html.erb
<h1>Listing albums</h1>
<table>
<tr>
<th>Name</th>
<th>Collection</th>
<th></th>
<th></th>
<th></th>
</tr>
<% @albums.each do |album| %>
<tr>
<td><%= album.name %></td>
<td><%= album.collection_id %></td>
<td><%= link_to 'Show', album %></td>
<td><%= link_to 'Edit', edit_album_path(album) %></td>
<td><%= link_to 'Destroy', album, method: :delete, data: { confirm: 'Are you sure?' } %></td>
</tr>
<% end %>
</table>
<br />
<%= link_to 'New Album', new_album_path %>