dotNetWebStudy/AspNetFrameworkMVC/AspNetFrameworkMVC/Controllers/HomeController.cs

using AspNetFrameworkMVC.Models;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web;
using System.Web.Mvc;

namespace AspNetFrameworkMVC.Controllers
{
	public class HomeController : Controller
	{
		public ActionResult Index()
		{
			return View();
		}

		public ActionResult About()
		{
			ViewBag.Message = "Your application description page.";

			return View();
		}

		public ActionResult Contact()
		{
			ViewBag.Message = "Your contact page.";

			return View();
		}

		public ActionResult NewGuid()
		{
			string guid = Guid.NewGuid().ToString();

			return Content(guid);
		}

		[HttpPost]
		public HttpResponseMessage UploadSample()
		{
			HttpRequestBase req = HttpContext.Request;

			if (req.Files.Count < 1)
				return new HttpResponseMessage(HttpStatusCode.BadRequest);

			foreach (string file in req.Files)
			{
				HttpPostedFileBase uploadFile = req.Files[file];
				string outputFilePath = HttpContext.Server.MapPath($"~/Uploads/{uploadFile.FileName}");
				uploadFile.SaveAs(outputFilePath);
			}

			return new HttpResponseMessage(HttpStatusCode.OK);
		}

		[HttpGet]
		public FileResult DownloadSample()
		{
			string filename = Request.QueryString["filename"];
			string filePath = HttpContext.Server.MapPath($"~/Uploads/{filename}");

			byte[] fileBytes = System.IO.File.ReadAllBytes(filePath);
			return File(fileBytes, System.Net.Mime.MediaTypeNames.Application.Zip, Path.GetFileName(filePath));
		}

		public ActionResult CheckLogin()
		{
			string filename = Request.QueryString["username"];
			string password = Request.QueryString["password"];

			bool result = LoginManager.CheckLogin(filename, password);
			return Content($"CheckLogin: {result}");
		}

		public ActionResult MyView(int id)
		{
			ViewBag.Title = id + " 자료";

			ViewData["MethodName"] = nameof(NoMethod);

			Guest guest = new Guest
			{
				Id = 1,
				Name = "Alex",
				CreatedDate = DateTime.Now,
				Message = "Congratulation!"
			};

			return View(guest);
		}

		private void NoMethod()
		{
			return;
		}

		public ActionResult MyViewRazor(int count)
		{
			ViewBag.Count = count;

			return View();
		}

		public ActionResult GuestRazor()
		{
			ViewBag.Title = "😎 Guest Razor 😎";

			Guest guest = new Guest
			{
				Id = 3,
				Name = "Richard",
				CreatedDate = DateTime.Now,
				Message = "Here comes new chanllenger 🥳"
			};

			return View(guest);
		}

		public ActionResult AddGuest()
		{
			string name = Request["name"];
			string msg = Request["msg"];

			var db = new GuestDbContext();
			Guest g = new Guest()
			{
				Name = name,
				CreatedDate = DateTime.Now,
				Message = msg
			};

			db.Guests.Add(g);
			db.SaveChanges();

			return RedirectToAction("ShowGuests");
		}

		public ActionResult ShowGuests()
		{
			var db = new GuestDbContext();
			List<Guest> guests = db.Guests.OrderByDescending(g => g.Id).Take(10).ToList();

			return View(guests);
		}

		public ActionResult Guest(int id)
		{
			var db = new GuestDbContext();
			Guest guest = db.Guests.Where(g => g.Id == id).FirstOrDefault();

			return View(guest);
		}
	}
}