Blind attempt at gocardless account reconnect

This allows the reconnection on an exisitng account. Unable to test this
full workflow until an account actually has expired, but hopefully it's
good...

diff --git a/postgresqleu/util/payment/gocardless.py b/postgresqleu/util/payment/gocardless.py
index c07f506df80a4e4511ee66e6f7ada102db720dc3..bd3e6ed3c03e53b5f037e24731cf00b3e9843612 100644 (file)
--- a/postgresqleu/util/payment/gocardless.py
+++ b/postgresqleu/util/payment/gocardless.py
@@ -27,10 +27,12 @@ class BackendGocardlessForm(BaseManagedBankPaymentForm):
     notify_each_transaction = forms.BooleanField(required=False, help_text="Send an email notification for each transaction received")
     verify_balances = forms.BooleanField(required=False, help_text="Regularly verify that the account balance matches the accounting system")
     connect = SubmitButtonField(label="Connect to gocardless", required=False)
+    reconnect = SubmitButtonField(label="Reconnect gocardless connection", required=False,
+                                  help_text="This can be needed if the connection has expired")
     connection = forms.CharField(label='Connection', required=False, widget=StaticTextWidget)
 
     config_readonly = ['connect', 'connection', ]
-    managed_fields = ['description', 'secretid', 'secretkey', 'connect', 'connection', 'notification_receiver', 'notify_each_transaction', 'verify_balances', ]
+    managed_fields = ['description', 'secretid', 'secretkey', 'connect', 'connection', 'reconnect', 'notification_receiver', 'notify_each_transaction', 'verify_balances', ]
     managed_fieldsets = [
         {
             'id': 'gocardless',
@@ -45,7 +47,7 @@ class BackendGocardlessForm(BaseManagedBankPaymentForm):
         {
             'id': 'connection',
             'legend': 'Connection',
-            'fields': ['connect', 'connection', ],
+            'fields': ['connect', 'connection', 'reconnect', ],
         },
     ]
 
@@ -65,8 +67,10 @@ class BackendGocardlessForm(BaseManagedBankPaymentForm):
             self.initial['connection'] = 'Connected to gocardless account id {}.'.format(self.instance.config['accountid'])
             self.fields['connect'].widget.label = "Already connected"
             self.fields['connect'].widget.attrs['disabled'] = True
+            self.fields['reconnect'].callback = self.reconnect_to_provider
         else:
             self.fields['connect'].callback = self.connect_to_provider
+            self.fields['reconnect'].widget.attrs['disabled'] = True
             self.initial['connection'] = 'Not connected.'
 
         if not self.instance.config.get('secretid', None) or not self.instance.config.get('secretkey', None):
@@ -76,6 +80,16 @@ class BackendGocardlessForm(BaseManagedBankPaymentForm):
     def connect_to_provider(self, request):
         return HttpResponseRedirect("gocardlessconnect/")
 
+    def reconnect_to_provider(self, request):
+        self.instance.config.pop('accountid', None)
+        self.instance.config.pop('requisition', None)
+        self.instance.config.pop('access_token', None)
+        self.instance.config.pop('refresh_token', None)
+        self.instance.config.pop('access_token_expires_at', None)
+        self.instance.config.pop('refresh_token_expires_at', None)
+        self.instance.save(update_fields=['config'])
+        return HttpResponseRedirect("gocardlessconnect/")
+
 
 class Gocardless(BaseManagedBankPayment):
     backend_form_class = BackendGocardlessForm