def add_ordering(self, *ordering):
new_ordering = []
for order in ordering:
field_name, dirn = get_order_dir(order)
new_name = expand_lookup(self.get_meta(), field_name)
if dirn == 'DESC':
new_name = '-%s' % new_name
new_ordering.append(new_name)
return super(MultilingualQuery, self).add_ordering(*new_ordering)
def build_filter(self, filter_expr, branch_negated=False, current_negated=False,
can_reuse=None):
"""
Build filters with respect to the multilingual fields.
"""
arg, value = filter_expr
parts = arg.split(LOOKUP_SEP)
field_name = parts[0]
new_name = expand_lookup(self.get_meta(), field_name)
filter_expr = LOOKUP_SEP.join([new_name] + parts[1:]), value
return super(MultilingualQuery, self).build_filter(filter_expr, branch_negated=branch_negated,
current_negated=current_negated, can_reuse=can_reuse)
def add_fields(self, field_names, allow_m2m=True):
opts = self.get_meta()
new_field_names = [expand_lookup(opts, f) for f in field_names]
return super(MultilingualQuery, self).add_fields(new_field_names, allow_m2m=allow_m2m)
