gistfile1.hrl

tick_list_from_json(Series_id, Json) ->
    try mochijson2:decode(Json) of
        List when is_list(List) -> 
            [ json_struct_to_tick(Series_Id, P) || P <- List ];
        Struct when is_tuple(Struct) ->
            [ json_struct_to_tick(Series_Id, Struct) ]
    catch
        _Any ->
            {error, bad_json}
    end.

json_struct_to_tick(Series_id, {struct, Struct}) ->
	#tick{
		id = {Series_id, proplists:get_value(<<"timestamp">>, Struct)},
		value = proplists:get_value(<<"value">>, Struct)
	}.