<% for purchase in @purchases %>
<tr>
<td><%=link_to purchase.date, :action => 'filterbydate', :id => purchase.date %></td>
<% for purchase in @purchases %>
<tr>
<td><%=link_to purchase.date, :action => 'filterbydate', :id => purchase.date %></td>
<td><%=link_to purchase.customer.name, :action => 'filterbycust', :id => purchase.customer_id %></td>
</tr>
<% end %>
<td><%=link_to purchase.customer.name, :action => 'filterbycust', :id => purchase.customer_id %></td>
</tr>
<% end %>