1	using System;
2	using System.Collections.Generic;
3
4	namespace App.Services
5	{
6	    public enum LoginResult
7	    {
8	        Unknown = 0,
9	        Success = 1,
10	        WrongLogin = -1,
11	        WrongPass = -2,
12	        Error
13	    }
14
15	    public class LoginService
16	    {
17	        public string LastError = string.Empty;
18
19	        /// <summary>
20	        /// Allow to login new user
21	        /// </summary>
22	        /// <param name="login">login</param>
23	        /// <param name="password">password</param>
24	        /// <param name="asAdmin">asAdmin</param>
25	        /// <returns>login result</returns>
26	        public LoginResult Login(string login, string password)
27	        {
28	            List<Login> dbLogins = new List<Login>();
29	            try
30	            {
31	                dbLogins.AddRange(
32	                    DAL.GetItems<Login>(
33	                    "select * from db.Login where Name='" + login + "'"));
34	            }
35	            catch (Exception ex)
36	            {
37	                lock ((object)777)
38	                {
39	                    LastError = ex.Message;
40	                }
41	                throw ex;
42	            }
43	            if (dbLogins.Count < 1)
44	            {
45	                return LoginResult.WrongLogin;
46	            }
47
48	            var prevUser = App.CurrentUser;
49	            App.CurrentUser = dbLogins[0];
50	            if (password.CompareTo(App.CurrentUser.Password) != 0)
51	            {
52	                App.CurrentUser = prevUser;
53	                return LoginResult.WrongPass;
54	            }
55
56	            var log = System.IO.File.AppendText(App.LogFile);
57	            log.WriteLine("New user loggined. Login=" + App.CurrentUser.Name);
58
59	            if (!(bool)((EventService)App.Service).SendWithConfirm(prevUser))
60	            {
61	                log.Write("Error sending to user.");
62	            }
63
64	            GC.Collect();
65	            GC.Collect();
66
67	            return LoginResult.Success;
68	        }
69	    }
70	}