SimpleLoginManager /Database/Database.cs

Language C# Lines 85
MD5 Hash 07712f1c17322cb33feaf4f90dd17f2d
Repository https://github.com/cmath/SimpleLoginManager.git View Raw File
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using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;

namespace Login.Database
{
    [Export(typeof(IDatabase)), Export]
    public class Database : IDatabase
    {
        XDocument doc_;

        public Database ( )
        {
            doc_ = XDocument.Load("Database.xml");
        }

        private void Save()
        {
            doc_.Save("Database.xml");
        }

        private XElement MakeQuery ( string Login )
        {
            var query = from user in doc_.Element("Root").Elements("User")
                        where ( string )user.Element("Login") == Login
                        select user;

            if ( query.Count( ) == 1 )
            {
                return query.First( );
            }

            return null;
        }
        public int GetNumberOfLoginTries ( string Login )
        {

            //var ref_how_it_works = doc_.Element("Root").Elements("User").Single(x => ( string )x.Element("Login") == Login);
            var query = MakeQuery(Login);
            if ( query != null )
            {
                return (int)query.Element("Tries");
            }

            return -1;
        }

        public string GetAllowedIp ( string Login )
        {
            var query = MakeQuery(Login);
            if ( query != null )
            {
                return ( string )query.Element("IpAddress");
            }

            return "";
        }

        public bool ValidateLoginAndPassword ( string Login, string Password )
        {
            var query = MakeQuery(Login);
            if ( query != null )
            {
                return Password == (string)query.Element("Password");
            }
            return false;
        }

        public void UpdateNumberOfLoginTries ( string Login )
        {
            var query = MakeQuery(Login);
            if ( query != null )
            {
                int current_number = (int)query.Element("Tries");
                query.SetElementValue("Tries", ++current_number);
                this.Save( );
            }
        }
    }
}
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