UserController

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using ps_03_start.Models;
using ps_03_start.ViewModels.UserVM;

namespace ps_03_start.Controllers
{
    public class UserController : Controller
    {




        public ActionResult Details(int id)
        {
            List<User> userList = GetUserList();
            User user = userList.Where(u => u.userID == id).Single();

            DetailsVM details = new DetailsVM();
            details.user = user;

            return View("Details", details);
        }

        public ActionResult Create()
        {

            return View();
        }


        [HttpPost]
        public ActionResult Create(User u)
        {
            if (ModelState.IsValid)
            {
                AddUser(u);
                return List();
            }
            return View(u);
        }



        // GET: User
        public ActionResult Index()
        {
            return View();
        }


        public ActionResult List()
        {

            return View("List", GetUserList());
        }

        private List<User> GetUserList()
        {
            List<User> userList;
            if(Session["userList"] == null)
            {
                userList = new List<User>;
            }
            else
            {
                userList = (List<User>)Session["userList"];
            }
            return userList;
        }

        private void SaveUserList(List<User> userList)
        {
            Session["userList"] = userList;
        }

        public void AddUser(User u)
        {
            List<User> userList = GetUserList();
            userList.Add(u);
            SaveUserList(userList);
        }



        /* ----------------------------------------------------------- */
        /* Przenieśliśmy do góry
        private class UserStorage
        {
            List<User> userList;
            public UserStorage()
            {
                userList = new List<User>();
            }

            /*
            public List<User> GetUserList()
            {
                userList.Add(new User() { userID = 1211, firstName = "Acki", lastName = "Ackowski", age = 25 });
                userList.Add(new User() { userID = 2211, firstName = "Backi", lastName = "Backowski", age = 15 });
                userList.Add(new User() { userID = 3211, firstName = "Cacki", lastName = "Cackowski", age = 21 });

                return userList;
            }


            public void AddUser(User u)
            {
                userList.Add(u);
            }

        }
        */

        /* ----------------------------------------------------------- */



    }

}


User:


using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ComponentModel.DataAnnotations;

namespace ps_03_start.Models
{
    public class User
    {
        [Display(Name ="ID")]
        public int userID { get; set; }

        [Display(Name ="Imię")]
        public string firstName { get; set; }

        [Display(Name ="Nazwisko")]
        public string lastName { get; set; }

        [Display(Name ="Wiek")]
        [Range(1,100, ErrorMessage ="Wiek może być z zakresu 1-100")]
        public int age { get; set; }


    }
}

DetailsVM: ( Utworzony nowy folder ViewModels a w nim kolejny UserVM i tu powinien być ten plik )

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using ps_03_start.Models;

namespace ps_03_start.ViewModels.UserVM
{
    public class DetailsVM
    {

        public User user { get; set; }

        public string fullName
        {
            get
            {
                return user.lastName + " " + user.firstName;
            }
        }

        public string ageColor
        {
            get
            {
                if (user.age < 18)
                {
                    return "red";
                }

                return "green";
            }
        }
    }
}


Create


@model ps_03_start.Models.User
@{
    Layout = null;
}

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>Create</title>
</head>
<body>
    <div style="color:red"> @Html.ValidationSummary()</div>
    <div>
        @using (Html.BeginForm())
        {
        <table>
            <tr>
                <th style="text-align: right">@Html.DisplayNameFor(m => m.userID)</th>
                <td>@Html.EditorFor(m => m.userID)</td>
            </tr>
            <tr>
                <th style="text-align: right">@Html.DisplayNameFor(m => m.firstName)</th>
                <td>@Html.EditorFor(m => m.firstName)</td>
            </tr>

            <tr>
                <th style="text-align: right">@Html.DisplayNameFor(m => m.lastName)</th>
                <td>@Html.EditorFor(m => m.lastName)</td>
            </tr>

            <tr>
                <th style="text-align: right">@Html.DisplayNameFor(m => m.age)</th>
                <td>@Html.EditorFor(m => m.age)</td>
                <td style="color:red">@Html.ValidationMessageFor(m => m.age)</td>
            </tr>
        </table>
        <input type="submit" value="Zatwierdź" />
        }
    </div>
</body>
</html>


Details


@model ps_03_start.ViewModels.UserVM.DetailsVM
@{
    Layout = null;
}

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>Details</title>
</head>
<body>
    <div>
        <table>
            <tr>
                <th style="text-align:right">@Html.DisplayNameFor(m=>m.user.userID): </th>
                <td >@Html.DisplayFor(m => Model.user.userID) </td>
            </tr>
            <tr>
                <th style="text-align:right">Nazwisko i Imię: </th>
                <td>@Html.DisplayFor(m => Model.fullName)</td>
            </tr>
            <tr>
                <th style="text-align:right">@Html.DisplayNameFor(m => m.user.age): </th>
                <td style="color:@Model.ageColor">@Html.DisplayFor(m => Model.user.age)</td>
            </tr>
        </table>
    </div>
</body>
</html>


List


@model IEnumerable<ps_03_start.Models.User>

@{
    Layout = null;
}

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>List</title>
</head>
<body>
    <div>
        <p>
            @Html.ActionLink("DODAJ", "Create")
        </p>
        <table>
            @foreach (var u in Model)
            {
            <tr>
                <td>@Html.DisplayFor(m => u.userID)</td>
                <td>@Html.DisplayFor(m => u.lastName) @Html.DisplayFor(m => u.firstName)</td>
                <td>@Html.DisplayFor(m => u.age)</td>
            </tr>
            }
        </table>
    </div>
</body>
</html>