def parse_actions(self):
     if not self.actions:
         return ''
     return_parts = []
     for raw_action in self.actions:
         ac = ActionController(raw_action)
         filters = ac.get_filters()
         basic_filters = [f for f in filters if f['type'] in ('string', 'location_string')]
         return_parts.append('&'.join(['facet.field=%s&f.%s.facet.mincount=1' % (ac._search_encode_property(f), ac._search_encode_property(f)) for f in basic_filters]))
     return_string = '&'.join(return_parts)
     return return_string