Church.Net.API/Chruch.Net/Areas/dashboard/Controllers/NewVisitorsController.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Entity;
using System.Linq;
using System.Net;
using System.Text;
using System.Web;
using System.Web.Mvc;
using Church.Net.DAL.EF;
using Church.Net.Entity;

namespace Chruch.Net.Areas.dashboard.Controllers
{
    public class NewVisitorsController : Controller
    {
        private ChurchNetContext db = new ChurchNetContext();

        // GET: dashboard/NewVisitors
        public ActionResult Index()
        {
            var visitors = db.NewVisitors.Include(n => n.Religion);
            visitors = visitors.Where(n => n.VisitingDate > new DateTime(2019, 01, 01));
            return View(visitors.OrderBy(n => n.VisitingDate).ToList());
        }

        // GET: dashboard/NewVisitors/Details/5
        public ActionResult Details(string id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            NewVisitor newVisitor = db.NewVisitors.Include(n => n.Religion).FirstOrDefault(n => n.Id == id);
            if (newVisitor == null)
            {
                return HttpNotFound();
            }
            return View(newVisitor);
        }

        // GET: dashboard/NewVisitors/Create
        public ActionResult Create()
        {
            return View();
        }

        // POST: dashboard/NewVisitors/Create
        // 若要免於過量張貼攻擊，請啟用想要繫結的特定屬性，如需
        // 詳細資訊，請參閱 https://go.microsoft.com/fwlink/?LinkId=317598。
        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Create([Bind(Include = "Id,FirstName,LastName,Gender,Address,Phone,Email,ComunityAppId,VisitingDate,Note")] NewVisitor newVisitor)
        {
            if (ModelState.IsValid)
            {
                db.NewVisitors.Add(newVisitor);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(newVisitor);
        }

        // GET: dashboard/NewVisitors/Edit/5
        public ActionResult Edit(string id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            NewVisitor newVisitor = db.NewVisitors.Find(id);
            if (newVisitor == null)
            {
                return HttpNotFound();
            }
            ViewBag.ReligionId = new SelectList(db.Religions, "ReligionId", "Name", newVisitor.ReligionId);
            return View(newVisitor);
        }

        // POST: dashboard/NewVisitors/Edit/5
        // 若要免於過量張貼攻擊，請啟用想要繫結的特定屬性，如需
        // 詳細資訊，請參閱 https://go.microsoft.com/fwlink/?LinkId=317598。
        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Edit([Bind(Include = "Id,FirstName,LastName,Gender,Address,Phone,Email,ComunityAppId,VisitingDate,Note,ReligionId")] NewVisitor newVisitor)
        {
            if (ModelState.IsValid)
            {
                db.Entry(newVisitor).State = EntityState.Modified;
                db.SaveChanges();
                return RedirectToAction("Index");
            }
            ViewBag.ReligionId = new SelectList(db.Religions, "ReligionId", "Name", newVisitor.ReligionId);
            return View(newVisitor);
        }

        // GET: dashboard/NewVisitors/Delete/5
        public ActionResult Delete(string id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            NewVisitor newVisitor = db.NewVisitors.Find(id);
            if (newVisitor == null)
            {
                return HttpNotFound();
            }
            return View(newVisitor);
        }

        // POST: dashboard/NewVisitors/Delete/5
        [HttpPost, ActionName("Delete")]
        [ValidateAntiForgeryToken]
        public ActionResult DeleteConfirmed(string id)
        {
            NewVisitor newVisitor = db.NewVisitors.Find(id);
            db.NewVisitors.Remove(newVisitor);
            db.SaveChanges();
            if (System.IO.File.Exists(Server.MapPath($"/NewVisitorsPics/{id}.jpg")))
            {
                System.IO.File.Delete(Server.MapPath($"/NewVisitorsPics/{id}.jpg"));
            }
            return RedirectToAction("Index");
        }

        public FileContentResult DownloadCSV()
        {
            var visitors = db.NewVisitors.Include(n => n.Religion).Where(n => n.VisitingDate > new DateTime(2019, 01, 01)).OrderBy(n => n.VisitingDate).ToList();

            StringBuilder csv = new StringBuilder();

            csv.AppendLine("Img,Last Name,First Name,Gender,Phone,Note,首次參加主日時間");

            foreach (var visitor in visitors)
            {
                string imgPath = "http://arcadia.nlccoc.org/" +(System.IO.File.Exists(Server.MapPath($"/NewVisitorsPics/{visitor.Id}.jpg")) ? "NewVisitorsPics/" + visitor.Id + ".jpg" : "Images/New Visitor-NonImage.jpg");



                csv.AppendLine($"{imgPath},{visitor.LastName},{visitor.FirstName},{visitor.Gender},{visitor.Phone},{visitor.Note},{visitor.VisitingDate}");
            }



            return File(new System.Text.UTF8Encoding().GetBytes(csv.ToString()), "text/csv", "NewVisitors.csv");
        }


        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                db.Dispose();
            }
            base.Dispose(disposing);
        }
    }
}