AppMetrics.LogEvent.ProcessMessages C# (CSharp) Method

        private static void ProcessMessages(HttpRequest request, string applicationKey, string messagesText, char separator)
        {
            var textLines = messagesText.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
            var itemsByLines = textLines.Select(line => line.Split(new[] { separator })).ToArray();
            var tmp = itemsByLines.GroupBy(line => line[0], line => line.Skip(1).ToArray()).
                ToDictionary(group => group.Key, group => group.ToArray());
            var messagesBySessions = new Dictionary<string, string[][]>(tmp);

            foreach (var pair in messagesBySessions)
            {
                var sessionId = pair.Key;
                var lines = pair.Value;
                if (!lines.Any())
                    continue;

                ValidateLines(sessionId, separator, lines);

                WriteData(request, applicationKey, sessionId, lines);
            }
        }