Update schema to return default letter contact for a service

app/schemas.py

@@ -183,6 +183,7 @@ class ServiceSchema(BaseSchema):
     permissions = fields.Method("service_permissions")
     override_flag = False
     reply_to_email_address = fields.Method(method_name="get_reply_to_email_address")
+    letter_contact_block = fields.Method(method_name="get_letter_contact")
 
     def get_free_sms_fragment_limit(selfs, service):
         return service.free_sms_fragment_limit()
@@ -193,9 +194,12 @@ class ServiceSchema(BaseSchema):
     def get_reply_to_email_address(self, service):
         return service.get_default_reply_to_email_address()
 
+    def get_letter_contact(self, service):
+        return service.get_default_letter_contact()
+
     class Meta:
         model = models.Service
-        dump_only = ['free_sms_fragment_limit', 'reply_to_email_address']
+        dump_only = ['free_sms_fragment_limit', 'reply_to_email_address', 'letter_contact_block']
         exclude = (
             'updated_at',
             'created_at',

app/service/rest.py

@@ -147,7 +147,6 @@ def update_service(service_id):
     fetched_service = dao_fetch_service_by_id(service_id)
     # Capture the status change here as Marshmallow changes this later
     service_going_live = fetched_service.restricted and not req_json.get('restricted', True)
-
     current_data = dict(service_schema.dump(fetched_service).data.items())
     current_data.update(request.get_json())
     update_dict = service_schema.load(current_data).data

tests/app/conftest.py

@@ -150,8 +150,7 @@ def sample_service(
         'message_limit': limit,
         'restricted': restricted,
         'email_from': email_from,
-        'created_by': user,
+        'created_by': user
-        'letter_contact_block': letter_contact_block,
     }
     service = Service.query.filter_by(name=service_name).first()
     if not service: