demo20230512/Areas/admin/Controllers/LCAController.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Entity;
using System.Linq;
using System.Net;
using System.Web;
using System.Web.Mvc;
using Weee.DAL;
using Weee.Models;
using Weee.Supports;
using PagedList;

namespace Weee.Areas.Admin.Controllers
{
    public class LCAController : AdminControllerBase
    {

        public LCAController(WeeeDataContext db) : base(db)
        {
        }

        public ActionResult Index(int page = 1, string companyName = "")
        {
            var lcas = new List<LCA>();

            lcas.AddRange(db.ProductLCAs.Include(l => l.VerifyBy));
            lcas.AddRange(db.OrganizationLCAs.Include(l => l.VerifyBy));
            lcas.OrderByDescending(x => x.CreatedDate);
            var dataFilter = new DataFilter();
            var filteredLCAs = dataFilter.FilterLca(lcas, companyName);
            var onePageOfLcas = filteredLCAs.ToPagedList(page, 10);

            ViewBag.CompanyName = companyName;

            return View(onePageOfLcas);
        }

        public ActionResult Details(int? id)
        {
            if (id == null) { return new HttpStatusCodeResult(HttpStatusCode.BadRequest); }
            LCA lca = db.LCAs.Include(x=>x.StatusHistory).Include(x=>x.Comments).Where(x=>x.ID==id).Single();
            if (lca == null) { return HttpNotFound(); }

            ViewBag.id = id;
            return View(lca);
        }

        public ActionResult Create()
        {
            ViewBag.ReceiverCompanyID = new SelectList(db.Companies, "ID", "Name");
            ViewBag.SenderCompanyID = new SelectList(db.Companies, "ID", "Name");
            ViewBag.VerifierCompanyID = new SelectList(db.Companies, "ID", "Name");
            return View();
        }

        public ActionResult Delete(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }

            var lca = db.LCAs.Find(id);
            if (lca == null)
            {
                return HttpNotFound();
            }
            ViewBag.id = id;
            return View(lca);
        }

        [HttpPost, ActionName("Delete")]
        [ValidateAntiForgeryToken]
        public ActionResult DeleteConfirmed(int id)
        {
            LCA lca = db.LCAs.Find(id);
            if (lca is OrganizationLCA)
            {
                OrganizationLCA olca = lca as OrganizationLCA;

                var qry4 = (from a in db.OrganizationOtherCompound
                            where a.LCAID == olca.ID
                            select a);
                db.OrganizationOtherCompound.RemoveRange(qry4);
                olca = db.OrganizationLCAs.Find(id);
                db.OrganizationLCAs.Remove(olca);
            }
            else if (lca is ProductLCA)
            {
                ProductLCA plca =lca as ProductLCA;
                var qry1 = db.ProductLCAFabSurveyResults.Find(id);
                if (qry1 != null)
                    db.ProductLCAFabSurveyResults.Remove(qry1);

                var qry3 = (from a in db.ProductLCAReplyRequests
                            join b in db.ProductLCAProductSurveyForm_Material on a.ID equals b.ID
                            where b.LCAID == id
                            select a);
                db.ProductLCAReplyRequests.RemoveRange(qry3);
                var qry2 = db.ProductLCAProductSurveyForm_Material.Where(x=>x.LCAID==id);
                db.ProductLCAProductSurveyForm_Material.RemoveRange(qry2);

                plca = db.ProductLCAs.Find(id);
                db.ProductLCAs.Remove(plca);
            }
            db.LCAs.Remove(lca);
            db.SaveChanges();
            return RedirectToAction("Index");
        }

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