Пример #1
0
        private static void Add(AnimalUser item)
        {
            int       id       = GetLastId();
            XDocument document = XDocument.Load("test.xml");
            XElement  element  = new XElement("User",
                                              new XAttribute(nameof(AnimalUser.Id), ++id),
                                              new XAttribute(nameof(AnimalUser.Name), item.Name),
                                              new XAttribute(nameof(AnimalUser.Role), item.Role),
                                              new XAttribute(nameof(AnimalUser.Password), item.Password));

            document.Element("root").Add(element);
            document.Save("test.xml");
        }
Пример #2
0
 private static AnimalUser update(AnimalUser item)
 {
     XDocument document = XDocument.Load("test.xml");
     var       dbuser   = getUsers().FirstOrDefault(a => a.Id);
 }
Пример #3
0
        private static void Main(string[] args)
        {
            Delete(3);
            var users = GetUsers();

            users.ForEach(u => Console.WriteLine(u));
            Add(new AnimalUser
            {
                Id       = 4,
                Name     = "Nowy",
                Role     = "Admin",
                Password = "******"
            });
            //var users = new List<AnimalUser>();
            //XDocument document = XDocument.Load("test.xml");
            //List<XElement> elements = document.Element("Root").Elements().ToList();
            //elements.ForEach(e =>
            //{
            //    var user = new AnimalUser
            //    {
            //        Id = int.Parse(e.Attribute("Id").Value),
            //        Name = e.Attribute("Name").Value,
            //        Role = e.Attribute("Role").Value,
            //        Password = e.Attribute("Password").Value

            //    };
            //    users.Add(user);

            //});
            //users.ForEach(u => Console.WriteLine(u));
            //Console.Read();

            List <AnimalUser> GetUsers()
            {
                List <AnimalUser> result = new List <AnimalUser>();
                var xd       = XDocument.Load("test.xml");
                var tempList = xd.Element("root").Elements("User").ToList();

                tempList.ForEach(u =>
                {
                    AnimalUser user = new AnimalUser();
                    user.Id         = int.Parse(u.Attribute("Id").Value);
                    user.Name       = u.Attribute("Name").Value.ToString();
                    user.Role       = u.Attribute("Role").Value.ToString();
                    user.Password   = u.Attribute("Password").Value.ToString();
                    result.Add(user);
                });
                return(result);
            }

            void Add(AnimalUser user)
            {
                int      id      = GetLastId();
                var      xd      = XDocument.Load("test.xml");
                XElement element = new XElement("User",
                                                new XAttribute("Id", ++id),
                                                new XAttribute("Name", user.Name),
                                                new XAttribute("Role", user.Role),
                                                new XAttribute("Password", user.Password)
                                                );

                xd.Element("root").Add(element);
                xd.Save("test.xml");
            }

            int GetLastId()
            {
                return(GetUsers().Count != 0 ? GetUsers().Max(a => a.Id): 0);
            }

            bool Delete(int id)
            {
                var item = GetUsers().FirstOrDefault(a => a.Id == id);
                var xd   = XDocument.Load("test.xml");

                if (item == null)
                {
                    return(false);
                }
                xd.Element("root").Elements().Where(a => a.Attribute("Id").Value == item.Id.ToString()).Remove();
                xd.Save("test.xml");
                return(true);
            }

            AnimalUser Replace(AnimalUser item)
            {
                var dbitem = GetUsers().FirstOrDefault(a => a.Id == item.Id);

                if (item != null)
                {
                    Delete(dbitem.Id);
                    var xd = XDocument.Load("test.xml");
                    dbitem.Name     = item.Name;
                    dbitem.Password = item.Password;
                    dbitem.Role     = item.Role;
                    XElement element = new XElement("User",
                                                    new XAttribute("Id", dbitem.Id),
                                                    new XAttribute("Name", dbitem.Name),
                                                    new XAttribute("Role", dbitem.Role),
                                                    new XAttribute("Password", dbitem.Password)
                                                    );
                    xd.Element("root").Add(element);
                    xd.Save("test.xml");
                    return(dbitem);
                }
            }

            //Names names = new Names();
            //names.Add("Roman"); //1
            //names.Add("Anna"); //2
            //names.Add("Jarek"); //3
            ////int i = names["Anna"]; // i ==2
            ////names["Jarek"] = 1;
            //names["Damian"] = 9;
            //int x = names["Roman"];
            //int y = names["Anna"];
            //int z = names["Jarek"];
            //int a = names["Damian"];
            //Console.WriteLine(x);
            //Console.WriteLine(y);
            //Console.WriteLine(z);
            //Console.WriteLine(a);
            //Console.WriteLine(names.Lenght);
            //List<Animal> animalson = new List<Animal>();
            //List<Country> countries = new List<Country>();
            //countries.Add(new Country { CountryId = 1, Name = "Polska" });
            //countries.Add(new Country { CountryId = 2, Name = "Anglia" });

            //xd(animalson);
            //var polskieZwierzaki = animalson.Join(countries,
            //    animal => animal.CountryId,
            //    country => country.CountryId,
            //    (animal, country) => new
            //    {
            //        Id = animal.id,
            //        Name = animal.Name,
            //        Age = animal.Age,
            //        CountryName = country.Name,
            //        CountryId = animal.CountryId
            //    })
            //    .Select(a=> new Animal
            //    {
            //        Name =a.Name,
            //        id = a.Id,
            //        Age = a.Age,
            //        CountryId = a.CountryId
            //    })
            //    .Where(a=> a.CountryId==2)
            //    .ToList();


            //polskieZwierzaki.ForEach(a =>
            //{
            //    Console.WriteLine(a);
            //});
            //IEnumerable<Animal> elefants = from animals in animalson
            //                               where animals.Name == "Słoń"
            //                               select animals;
            //IEnumerable<Animal> elefants = from animals in animalson
            //                               where animals.id < 4 && animals.Age >20 || animals.Age%2 ==0
            //                               select animals;

            //var ń = animalson
            //    .Where(a => a.Name.Contains("ń"))
            //    .Select(a => a.Name)
            //    .Distinct()
            //    .ToList();
            //Console.WriteLine(elefants.FirstOrDefault());
            //Console.WriteLine(elefants.Count());
            //Console.WriteLine(elefants.LastOrDefault());
            //Console.WriteLine(elefants.SingleOrDefault());

            //foreach (var item in elefants)
            //{
            //    Console.WriteLine(item);
            //}
            //Console.WriteLine(ń);
            //double avg = elefants.Average(e => e.Age);
            //int max = elefants.Max(e => e.Age);
            //int min = elefants.Min(e => e.Age);
            //int sum = elefants.Sum(e => e.Age);
            //int sum1 = elefants.Select(a => a.Age).Sum();


            //var cos = elefants.(e => new
            //{
            //    e.Name
            //}).Select(g => new { Name = g.Key, Age = g.Sum(a => a.Age) });
            //Console.WriteLine(group.FirstOrDefault());
            //List<Animal> toRemove = elefants.ToList();
            //var toAdd = elefants.ToList();
            //animalson.AddRange(toAdd)
            //animalson.ForEach(a =>
            //   {
            //       Console.WriteLine(a);
            //   }
            //   );

            Console.Read();
        }