mysociety/alaveteli

<li>
  <strong><%= invoice.date.to_fs(:long) %></strong>

  <%= _('Invoice {{invoice_number}} for {{invoice_amount}}',
        invoice_number: invoice.number,
        invoice_amount: format_currency(invoice.amount_due)) %>

  <% if invoice.paid? %>
    <%= link_to _('View Receipt'), invoice.receipt_url, target: '_blank' %>
  <% elsif invoice.open? %>
    <%= link_to _('View Invoice and Pay'), invoice.hosted_invoice_url,
        target: '_blank' %>
  <% end %>
</li>