public Result <IEnumerable <string> > GetLogs(string service, DateTime @from, DateTime to)
        {
            if (!registeredServices.TryGetValue(service.ToLower(), out var serviceFolder))
            {
                return($"Service \"{service}\" not found");
            }

            var filenames = GetMonthsBetweenPeriod(from, to)
                            .Select(d => Path.Combine(serviceFolder, FileLog.GetFileName(d)))
                            .ToArray();

            if (filenames.All(f => !File.Exists(f)))
            {
                return($"No logs for this period");
            }

            var logs = filenames
                       .Where(File.Exists)
                       .SelectMany(File.ReadLines)
                       .SkipWhile(s => LogFormatter.GetLogTime(s) < from)
                       .TakeWhile(s => LogFormatter.GetLogTime(s) <= to);

            return(Result.Ok(logs));
        }