Initialize wizard form if needed

Also add option to give service name in wizard

shuup_checkoutfi/admin_forms.py

@@ -1,9 +1,13 @@
 # -*- coding: utf-8 -*-
 from django import forms
 from shuup.admin.forms import ShuupAdminForm
-from shuup.admin.modules.service_providers.forms import (ServiceWizardForm,
-                                                         ServiceWizardFormDef)
-from shuup.core.models import Shop
+from shuup.admin.modules.service_providers.wizard_form_defs import (
+    ServiceWizardFormDef
+)
+from shuup.admin.modules.service_providers.wizard_forms import (
+    ServiceWizardForm
+)
+from shuup.core.models import PaymentMethod, Shop
 
 from .models import CheckoutFiPaymentProcessor
 
@@ -19,7 +23,16 @@ class Meta:
 
 
 class CheckoutFiWizardForm(CheckoutFiAdminForm, ServiceWizardForm):
-    pass
+    def __init__(self, **kwargs):
+        super(CheckoutFiWizardForm, self).__init__(**kwargs)
+        if not self.provider:
+            return
+        service = self.get_payment_method()
+        if not service:
+            return
+        self.fields["service_name"].initial = service.name
+        self.fields["merchant_id"].initial = self.provider.merchant_id
+        self.fields["merchant_secret"].initial = self.provider.merchant_secret
 
 
 class CheckoutFiWizardFormDef(ServiceWizardFormDef):

shuup_checkoutfi/templates/shuup/checkoutfi/wizard_form.jinja

@@ -1,13 +1,15 @@
 {% from "shuup/admin/service_providers/wizard_macros.jinja" import service_provider_section %}
+{% set form = pane.forms[form_def.name] %}
 
 {% call service_provider_section(
     identifier=form_def.name,
     header="Checkout.fi",
     description=gettext("Accept credit cards using <a target='_blank' href='%(url)s'>Checkout.fi</a>. Checkout.fi is one of the largest Finnish payment service providers and supports bank payments, Visa, and Mastercard.", url="http://www.checkout.fi"),
+    is_active=form.is_active(),
     allowed_countries="FI"
 )%}
-    {% set form = pane.forms[form_def.name] %}
     <input type="hidden" name="{{ form.name.html_name }}" value="Checkout.fi">
+    {{ bs3.field(form.service_name) }}
     {{ bs3.field(form.merchant_id) }}
     {{ bs3.field(form.merchant_secret) }}
     <p class="text-center">