dotnet PK asp

dotnetpkasp

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Start");


            var aspRedirect = File.ReadLines(@"d:\yyy\asp.txt")
                                .Where(s => !s.Contains("webus"))
                                .GroupBy(s => LogEntity.Parse(s))
                                .ToDictionary(g => g.Key);
            
            if (File.Exists(@"d:\yyy\result.txt"))
            {
                File.Delete(@"d:\yyy\result.txt");
            }

            
            var dotnetRedirect = File.ReadLines(@"d:\yyy\dotnet.txt")
                                    .Where(s => !s.Contains("webus"))
                                    .GroupBy(s => LogEntity.Parse(s))
                                    .ToDictionary(g => g.Key, g => g.FirstOrDefault());

            using (var destFile = File.AppendText(@"d:\yyy\result.txt"))
            {
                foreach (var item in dotnetRedirect.Keys)
                {
                    if (!aspRedirect.ContainsKey(item))
                    {
                        destFile.WriteLine(dotnetRedirect[item]);
                    }
                }
            }

            Console.WriteLine("Finish");
        }
    }

    struct LogEntity
    {
        public String RequestUrl { get; set; }

        public String Partner { get; set; }

        public String Locale { get; set; }

        //public String Member_id { get; set; }

        public String RedirectUrl { get; set; }

        public static LogEntity Parse(String line)
        {
            var arr = line.Split(',');
            var entity = new LogEntity();
            entity.RequestUrl = arr[0].Trim().ToLowerInvariant()
                .Replace("aspx", "asp");
            entity.Partner = arr[1].Trim().ToLowerInvariant();
            entity.Locale = TreatLocale(arr[2]);
            //entity.Member_id = TreatMember_id(arr[3]);
            entity.RedirectUrl = arr[5].Trim().ToLowerInvariant();

            return entity;
        }

        public static String TreatLocale(String locale)
        {
            locale = locale.Trim().ToLowerInvariant();
            if (locale.Contains("_"))
            {
                return locale.Split('_')[0];
            }

            return locale;
        }

        public static String TreatMember_id(String member_id)
        {
            if (String.IsNullOrWhiteSpace(member_id))
            {
                return "-1";
            }

            if (member_id != "-1")
            {
                return "1"; // magic number, handle all login as same student
            }

            return "-1";
        }
    }
}