update structure

app/models/group/circle.rb

@@ -4,12 +4,7 @@ class Group::Circle < ::Group
 
   self.layer = true
 
-  # TODO: define actual child group types
-  children Group::Circle, Group::HelpCircle
-
   ### ROLES
-
-  # TODO: define actual role types
   class Leader < ::Role
     self.permissions = [:layer_and_below_full, :admin]
   end
@@ -18,6 +13,10 @@ class Group::Circle < ::Group
     self.permissions = [:group_read]
   end
 
-  roles Leader, Member
+  class Guest < ::Role
+    self.permissions = []
+  end
+
+  roles Leader, Member, Guest
 
 end

app/models/group/help_circle.rb

@@ -1,6 +0,0 @@
-# encoding: utf-8
-
-# TODO: rename class to specific name and change all references
-class Group::HelpCircle < ::Group
-  self.layer = true
-end

app/models/group/top_layer.rb

@@ -0,0 +1,24 @@
+# encoding: utf-8
+
+class Group::TopLayer < ::Group
+
+  self.layer = true
+
+  children Group::Circle
+
+  ### ROLES
+  class Leader < ::Role
+    self.permissions = [:layer_and_below_full, :admin]
+  end
+
+  class Member < ::Role
+    self.permissions = [:group_read]
+  end
+
+  class Guest < ::Role
+    self.permissions = []
+  end
+
+  roles Leader, Member, Guest
+
+end

app/models/lit/group.rb

@@ -8,7 +8,7 @@ module Lit::Group
     # self.used_attributes += [:website, :bank_account, :description]
     # self.superior_attributes = [:bank_account]
 
-    root_types Group::Circle
+    ::Group.root_types(::Group::TopLayer)
   end
 
 end