--- a/app/soc/logic/cleaning.py	Sat Mar 07 18:16:54 2009 +0000
+++ b/app/soc/logic/cleaning.py	Sat Mar 07 19:17:02 2009 +0000
@@ -277,6 +277,26 @@
   return wrapped
 
 
+def clean_ascii_only(field_name):
+  """Clean method for cleaning a field that may only contain ASCII-characters.
+  """
+  @check_field_is_empty(field_name)
+  def wrapper(self):
+    """Decorator wrapper method.
+    """
+    value = self.cleaned_data.get(field_name)
+
+    try:
+      # encode to ASCII
+      value = value.encode("ascii")
+    except UnicodeEncodeError:
+      # can not encode as ASCII
+      raise forms.ValidationError("Only ASCII characters are allowed")
+
+    return value
+  return wrapper
+
+
 def clean_feed_url(self):
   """Clean method for cleaning feed url.
   """
@@ -316,6 +336,7 @@
 
   return wrapped
 
+
 def clean_url(field_name):
   """Clean method for cleaning a field belonging to a LinkProperty.
   """

--- a/app/soc/views/models/group.py	Sat Mar 07 18:16:54 2009 +0000
+++ b/app/soc/views/models/group.py	Sat Mar 07 19:17:02 2009 +0000
@@ -27,6 +27,7 @@
 from django import http
 from django.utils.translation import ugettext
 
+from soc.logic import cleaning
 from soc.logic import dicts
 from soc.logic.models import user as user_logic
 from soc.views.helper import decorators
@@ -89,6 +90,18 @@
     new_params['list_row'] = 'soc/group/list/row.html'
     new_params['list_heading'] = 'soc/group/list/heading.html'
 
+    new_params['create_extra_dynaproperties'] = {
+       'clean_contact_street': cleaning.clean_ascii_only('contact_street'),
+       'clean_contact_city': cleaning.clean_ascii_only('contact_city'),
+       'clean_contact_state': cleaning.clean_ascii_only('contact_state'),
+       'clean_contact_postalcode': cleaning.clean_ascii_only('contact_postalcode'),
+       'clean_shipping_street': cleaning.clean_ascii_only('shipping_street'),
+       'clean_shipping_city': cleaning.clean_ascii_only('shipping_city'),
+       'clean_shipping_state': cleaning.clean_ascii_only('shipping_state'),
+       'clean_shipping_postalcode': cleaning.clean_ascii_only('shipping_postalcode'),
+       }
+
+
     new_params['role_views'] = {}
 
     params = dicts.merge(params, new_params, sub_merge=True)

--- a/app/soc/views/models/role.py	Sat Mar 07 18:16:54 2009 +0000
+++ b/app/soc/views/models/role.py	Sat Mar 07 19:17:02 2009 +0000
@@ -139,6 +139,14 @@
        'longitude': forms.fields.FloatField(widget=forms.HiddenInput,
                                             required=False),
        'clean_link_id': cleaning.clean_existing_user('link_id'),
+       'clean_res_street': cleaning.clean_ascii_only('res_street'),
+       'clean_res_city': cleaning.clean_ascii_only('res_city'),
+       'clean_res_state': cleaning.clean_ascii_only('res_state'),
+       'clean_res_postalcode': cleaning.clean_ascii_only('res_postalcode'),
+       'clean_ship_street': cleaning.clean_ascii_only('ship_street'),
+       'clean_ship_city': cleaning.clean_ascii_only('ship_city'),
+       'clean_ship_state': cleaning.clean_ascii_only('ship_state'),
+       'clean_ship_postalcode': cleaning.clean_ascii_only('ship_postalcode'),
        'clean_home_page': cleaning.clean_url('home_page'),
        'clean_blog': cleaning.clean_url('blog'),
        'clean_photo_url': cleaning.clean_url('photo_url'),
@@ -148,6 +156,8 @@
 
     new_params['extra_dynaexclude'] = ['user', 'status', 'agreed_to_tos_on']
 
+    new_params['disallow_last_resign'] = False
+
     params = dicts.merge(params, new_params, sub_merge=True)
 
     super(View, self).__init__(params=params)
@@ -426,12 +436,29 @@
     resign = get_dict.get('resign')
 
     if resign == 'true':
-      # change the status of this role_entity to invalid
-      fields = {'status': 'invalid'}
-      logic.updateEntityProperties(role_entity, fields)
+
+      if params.get('disallow_last_resign'):
+        # check if the current role is the last for this scope
+        fields = {'scope': role_entity.scope,
+            'status': 'active'}
+        roles = logic.getForFields(fields, limit=2)
+
+        # if there is more then one left we can safely resign
+        resign = len(roles) > 1
+      else:
+        resign = True
 
-      # redirect to the roles listing
-      return http.HttpResponseRedirect(redirect)
+      if resign:
+        # change the status of this role_entity to invalid
+        fields = {'status': 'invalid'}
+        logic.updateEntityProperties(role_entity, fields)
+
+        # redirect to the roles listing
+        return http.HttpResponseRedirect(redirect)
+      else:
+        # show error to the user
+        context['not_allowed_to_resign'] = ugettext("This user can't be "
+            "resigned, please make sure it's not the last %(name)s." % params)
 
     # set the appropriate context
     context['entity'] = role_entity