Merge branch '35-fix-template-not-being-able-to-access-paymentvariant-name' into 'master'

Fix template not being able to access PaymentVariant name

Closes #35

See merge request !86

aleksis/apps/tezor/models/payment_variant.py

@@ -38,6 +38,10 @@ class PaymentVariant(RegistryObject, ExtensiblePolymorphicModel):
             (variant._class_name, variant.verbose_name) for variant in cls.registered_objects_list
         ]
 
+    @classproperty
+    def variant_name(cls):
+        return cls._class_name
+
     class Meta:
         verbose_name = _("Payment variant")
         verbose_name_plural = _("Payment variants")

aleksis/apps/tezor/templates/tezor/invoice/full.html

@@ -76,7 +76,7 @@
                   <td>
                     <select name="variant" {% if not can_change_variant %}disabled{% endif %}>
                       {% for payment_variant in object.group.client.payment_variants.all %}
-                        <option value="{{ payment_variant._class_name }}" {% if object.variant == payment_variant._class_name %}selected{% endif %}>{{ payment_variant.verbose_name }}</option>
+                        <option value="{{ payment_variant.variant_name }}" {% if object.variant == payment_variant.variant_name %}selected{% endif %}>{{ payment_variant.verbose_name }}</option>
                       {% endfor %}
                     </select>
                   </td>