app/views/invoices/index.html.erb
<h1>Listing invoices</h1>
<table class="table">
<thead>
<tr>
<th>Invoice number</th>
<th>Due date</th>
<th>Client</th>
<th>Invoice status</th>
<th>Total</th>
<th></th>
</tr>
</thead>
<tbody>
<% @invoices.each do |invoice| %>
<tr>
<td><%= invoice.invoice_number %></td>
<td><%= invoice.due_date %></td>
<td><%= invoice.name %></td>
<td><%= invoice.invoice_status.name %></td>
<td><%= number_to_currency invoice.total %></td>
<td>
<%= link_to 'Show', invoice_path(invoice, format: :pdf), class: 'btn btn-small' %>
<%= link_to 'Edit', edit_invoice_path(invoice), class: 'btn btn-small' %>
<%= link_to 'Destroy', invoice, method: :delete, data: { confirm: 'Are you sure?' }, class: 'btn btn-small btn-danger' %>
</td>
</tr>
<% end %>
</tbody>
</table>
<br>
<%= link_to 'New Invoice', new_invoice_path, class: 'btn btn-small btn-primary' %>