Fix #957 -- Integrate BezahlCode and GiroCode

src/pretix/plugins/banktransfer/__init__.py

@@ -19,6 +19,7 @@ class BankTransferApp(AppConfig):
     def ready(self):
         from . import signals  # NOQA
         from . import tasks  # NOQA
+        from .templatetags import commadecimal  # NOQA
 
     @cached_property
     def compatibility_warnings(self):

src/pretix/plugins/banktransfer/payment.py

@@ -175,6 +175,7 @@ class BankTransfer(BasePaymentProvider):
             'event': self.event,
             'code': self._code(payment.order),
             'order': payment.order,
+            'amount': payment.amount,
             'settings': self.settings,
             'details': self.settings.get('bank_details', as_type=LazyI18nString),
         }

src/pretix/plugins/banktransfer/templates/pretixplugins/banktransfer/pending.html

@@ -1,21 +1,59 @@
 {% load i18n %}
 {% load l10n %}
+{% load commadecimal %}
 {% load money %}
 
 <p>{% blocktrans trimmed %}
     Please transfer the full amount to the following bank account:
 {% endblocktrans %}</p>
 
-<address>
+<div class="row">
+    <div class="{% if settings.bank_details_type == "sepa" %}col-md-6{% else %}col-md-12{% endif %} col-xs-12">
+        <p>
+            {% if settings.bank_details_type == "sepa" %}
+                <strong>{% trans "Account holder" %}:</strong> {{ settings.bank_details_sepa_name }}<br>
+                <strong>{% trans "IBAN" %}:</strong> {{ settings.bank_details_sepa_iban }}<br>
+                <strong>{% trans "BIC" %}:</strong> {{ settings.bank_details_sepa_bic }}<br>
+                <strong>{% trans "Bank" %}:</strong> {{ settings.bank_details_sepa_bank }}<br>
+            {% endif %}
+            {% if details %}
+                {{ details|linebreaksbr }}<br>
+            {% endif %}
+            <strong>{% trans "Amount:" %}</strong> {{ amount|money:event.currency }}<br/>
+            <strong>{% trans "Reference code (important):" %} {{ code }}</strong>
+        </p>
+    </div>
     {% if settings.bank_details_type == "sepa" %}
-        <strong>{% trans "Account holder" %}:</strong> {{ settings.bank_details_sepa_name }}<br>
-        <strong>{% trans "IBAN" %}:</strong> {{ settings.bank_details_sepa_iban }}<br>
-        <strong>{% trans "BIC" %}:</strong> {{ settings.bank_details_sepa_bic }}<br>
-        <strong>{% trans "Bank" %}:</strong> {{ settings.bank_details_sepa_bank }}<br>
+        <div class="col-md-3 col-sm-6 hidden-xs text-center">
+            BezahlCode<br>
+            <a href="bank://singlepaymentsepa?name={{ settings.bank_details_sepa_name|urlencode }}&iban={{ settings.bank_details_sepa_iban }}&bic={{ settings.bank_details_sepa_bic }}&amount={{ order.total|commadecimal }}&reason={{ code }}&currency={{ event.currency }}">
+                <script type="text/plain" data-size="150" data-replace-with-qr>bank://singlepaymentsepa?name={{ settings.bank_details_sepa_name|urlencode }}&iban={{ settings.bank_details_sepa_iban }}&bic={{ settings.bank_details_sepa_bic }}&amount={{ amount|commadecimal }}&reason={{ code }}&currency={{ event.currency }}</script>
+            </a>
+            <p>&nbsp;</p>
+        </div>
+        <div class="col-md-3 col-sm-6 hidden-xs text-center">
+            GiroCode / EPC-QR<br>
+            <script type="text/plain" data-size="150" data-replace-with-qr>BCD
+002
+2
+SCT
+{{ settings.bank_details_sepa_bic }}
+{{ settings.bank_details_sepa_name }}
+{{ settings.bank_details_sepa_iban }}
+{{ event.currency }}{{ amount|floatformat:2 }}
+
+
+{{ code }}
+
+            </script>
+        </div>
+        <div class="visible-xs-block text-center">
+            <p>
+                <a href="bank://singlepaymentsepa?name={{ settings.bank_details_sepa_name|urlencode }}&iban={{ settings.bank_details_sepa_iban }}&bic={{ settings.bank_details_sepa_bic }}&amount={{ order.total|commadecimal }}&reason={{ code }}&currency={{ event.currency }}" class="btn btn-default">
+                    {% trans "Open banking app" %}
+                </a><br>
+                <small>{% trans "Requires that the app supports BezahlCode" %}</small>
+            </p>
+        </div>
     {% endif %}
-    {% if details %}
-        {{ details|linebreaksbr }}<br>
-    {% endif %}
-    <strong>{% trans "Amount:" %}</strong> {{ order.total|money:event.currency }}<br />
-    <strong>{% trans "Reference code (important):" %} {{ code }}</strong>
-</address>
+</div>

src/pretix/plugins/banktransfer/templatetags/commadecimal.py

@@ -0,0 +1,8 @@
+from django import template
+
+register = template.Library()
+
+
+@register.filter
+def commadecimal(value):
+    return str(value).replace(".", ",")