anchor.diff:  	    #path{target_id=TargetId};
   	Id ->
   	    #path{target_id=TargetId, id=Id}
  -    end;
  -build_record(visit, Form) ->
  -    PathId = proplists:get_value(<<"path_id">>, Form),
  -    Loc = erli_utils:get_location(proplists:get_value(<<"ip">>, Form)),
  -    #visit{path_id=PathId, geo_location=Loc}.
  +    end.
   
   
   -spec maybe_store(collection_type(), object(), #wm_reqdata{}, term()) ->
  
positive.code:     {false, RD, Ctx}.
  
  
  options(RD, {CollectionType, _Range}=Ctx) ->
      ColType = atom_to_list(CollectionType),
      {[{"Content-Length", "0"},
        {"Accept-Ranges", ColType},
        {"Allow", "GET, POST, HEAD, OPTIONS"}], RD, Ctx};
  options(RD, Ctx) ->
      {[{"Content-Length", "0"},
        {"Allow", "GET, DELETE, HEAD, OPTIONS"}], RD, Ctx}.
  
negative.code: 
  
  as_json(RD, {ObjectType, Rec}=Ctx) when ?is_object(ObjectType) ->
      maybe_record_visit(RD, Ctx),
      CollectionType = obj_type_to_col_type(ObjectType),
      Key = atom_to_binary(CollectionType, latin1),
      Data = jsx:encode([{Key, erli_utils:to_proplist(Rec)}]),
  