bgpwtf/invoice: format for non-eu customers

Change-Id: I42ec23d911cd69a310a6de8ffe5dca5ff1b30f00

bgpwtf/invoice/render.go

@@ -52,9 +52,13 @@ func renderInvoicePDF(i *pb.Invoice, language string) ([]byte, error) {
 	}
 	if len(parts) > 0 {
 		symbols = strings.Join(parts, ", ") + "."
+	} else {
+		if language == "en" {
+			symbols = "<i>brak (none)</i>."
 		} else {
 			symbols = "<i>brak</i>."
 		}
+	}
 
 	data := struct {
 		InvoiceNumber         string

bgpwtf/invoice/templates/invoice_en.html

@@ -143,21 +143,21 @@ div.symbols {
                     {{ end }}
                     {{ end }}
                     {{ if .USCustomer }}
-                    <li>EIN: {{ .InvoiceeVAT }}</li>
+                    <li>{{ .InvoiceeVAT }}</li>
-                    <li><b>(VAT zero rate)</b></li>
+                    <li style="margin-top: 2em;"><b>VAT NP</b> <i>(zero rate)</i></li>
                     {{ else if .InvoiceeVAT }}
                     <li><b>NIP:</b> {{ .InvoiceeVAT }}</li>
                     {{ end }}
 
                     {{ if .ReverseVAT }}
-                    <li><b>(reverse charge / obciążenie odwrotne)</b></li>
+                    <li><b>Obciążenie odwrotne</b> <i>(reverse charge)</ii></li>
                     {{ end }}
                 </ul>
             </div>
         </div>
         <div style="clear: both; height: 1em;"></div>
         <div class="symbols">
-            <b>Oznaczenia</b>: {{ .Symbols }}
+            <b>Oznaczenia</b> <i>(JPK symbols)</i>: {{ .Symbols }}
         </div>
         <table class="items">
             <tr>
@@ -201,8 +201,5 @@ div.symbols {
                 <td><b>{{ .Total }}</b></td>
             </tr>
         </table>
-        <div class="footer">
-            {{ .Footer }}
-        </div>
     </body>
 </html>