Show unused invitations list

app/views/invitations/index.html.erb

@@ -1,23 +1,46 @@
 <section>
   <h2>Invitations</h2>
+  <% if @invitations_unused.any? %>
+    <table>
+      <thead>
+        <tr>
+          <th>URL</th>
+        </tr>
+      </thead>
+      <tbody>
+        <% @invitations_unused.each do |invitation| %>
+          <tr>
+            <td><%= invitation_url(invitation.token) %></td>
+          </tr>
+        <% end %>
+      </tbody>
+    </table>
+  <% else %>
+    <p>
+      You do not have any invitations to give away yet. All good
+      things come in time.
+    </p>
+  <% end %>
+</section>
 
+<% if @invitations_used.any? %>
+  <h3>Accepted Invitations</h3>
   <table>
     <thead>
       <tr>
-        <th>Token</th>
-        <th>Created at</th>
-        <th colspan="3"></th>
+        <th>URL</th>
+        <th>Used at</th>
+        <th>Invited user</th>
       </tr>
     </thead>
-
     <tbody>
-      <% @invitations.each do |invitation| %>
+      <% @invitations_used.each do |invitation| %>
         <tr>
-          <td><%= invitation.token %></td>
-          <td><%= invitation.created_at %></td>
-          <td><%= link_to 'Delete', invitation, method: :delete, data: { confirm: 'Are you sure?' } %></td>
+          <td><%= invitation_url(invitation.token) %></td>
+          <td><%= invitation.used_at %></td>
+          <td><%= User.find(invitation.invited_user_id).address %></td>
         </tr>
       <% end %>
     </tbody>
   </table>
-</section>
+<% end %>