Can now pass order object through Order model

+ Customer ID (optional) no longer shows "None" if not set.

invoice_generator/models.py

@@ -39,7 +39,7 @@ def bottom_padding(self):
 
 class Order(object):
     __slots__ = (
-        'order_id', 'customer_id', 'date',
+        'order', 'order_id', 'customer_id', 'date',
         'pay_until_date', 'shipping_date_range',
         'tax_rate', 'total_discounted', 'total_shipping_net',
         'total_tax', 'total_net', 'total_gross'
@@ -49,7 +49,9 @@ def __init__(self, invoice_id, customer_id, date,
                  payment_date_limit,
                  shipping_date_range: Tuple[dt_date, dt_date],
                  tax_rate, total_discounted, total_shipping_net,
-                 total_tax, total_net, total_gross):
+                 total_tax, total_net, total_gross, order=None):
+
+        self.order = order
         self.order_id = invoice_id
         self.customer_id = customer_id
         self.date = date

invoice_generator/templates/pdf_invoice.html

@@ -77,9 +77,11 @@
     <div class="section">
       <table class="infoTable">
         <tr>
-          <td class="bold">
-            {% blocktrans with order_id=order.order_id %}Order ID: {{ order_id }}{% endblocktrans %}
-          </td>
+          {% if order.order_id %}
+            <td class="bold">
+              {% blocktrans with order_id=order.order_id %}Order ID: {{ order_id }}{% endblocktrans %}
+            </td>
+          {% endif %}
 
           <td>
             {% blocktrans with customer_id=order.customer_id %}Customer ID: {{ customer_id }}{% endblocktrans %}

setup.py

@@ -21,7 +21,7 @@ def _get_test_suite():
     author_email='[email protected]',
     url='https://github.com/NyanKiyoshi/invoice-generator',
 
-    version='0.0.3rc3',
+    version='0.0.3rc4',
     name=PKG_NAME,
     packages=find_packages(exclude=['tests']),
     include_package_data=True,