fix populate reset

quokka/ext/fixtures.py

@@ -1,6 +1,7 @@
 # coding: utf-8
 from quokka.utils.populate import Populate
 from quokka.core.models.config import Quokka
+from quokka.core.models.config import Config
 
 
 def configure(app, db):
@@ -31,7 +32,8 @@ def configure(app, db):
             except Exception as e:
                 app.logger.warning("Cant create initial user and post: %s" % e)
         except Exception as e:
-            app.logger.error("Error loading fixtures: %s" % e)
+            app.logger.error("Error loading fixtures, try again - %s" % e)
             populate.reset()
+            Config.objects.delete()
         else:
             Quokka.objects.create(slug="is_installed")

quokka/utils/populate.py

@@ -313,17 +313,14 @@ def reset(self):
             ]
         ).delete()
 
-        base_channels = Channel.objects(parent=None)
-        second_level = Channel.objects(parent__in=base_channels)
-        third_level = Channel.objects(parent__in=second_level)
-
-        third_level.delete()
-        second_level.delete()
-        base_channels.delete()
-
-        Config.objects(
-            group__in=[item['group'] for item in self.json_data.get('configs')]
-        ).delete()
+        for channel in Channel.objects(
+                slug__in=[
+                    item['slug'] for item in self.json_data.get('channels')]):
+            for subchannel in channel.get_children():
+                for subsubchannel in subchannel.get_children():
+                    subsubchannel.delete()
+                subchannel.delete()
+            channel.delete()
 
         User.objects(
             email__in=[item['email'] for item in self.json_data.get('users')]