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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using ProjectApplicationX00140684.Models;
using Microsoft.AspNetCore.Mvc.Infrastructure;

namespace ProjectApplicationX00140684.Controllers
{

    public class HomeController : Controller
    {
        private readonly IVehicleRepository _vehicleRepository;
        private readonly IHostingEnvironment hostingEnvironment;

        public HomeController(IVehicleRepository vehicleRepository,
                              IHostingEnvironment hostingEnvironment)
        {
            _vehicleRepository = vehicleRepository;
            this.hostingEnvironment = hostingEnvironment;
        }

        public ViewResult Index()
        {
            var model = _vehicleRepository.GetAllVehicle();
            return View(model);
        }

        [HttpGet]
        public ViewResult Create()
        {
            return View();
        }

        [HttpPost]
        public IActionResult Create(VehicleCreateViewModel model)
        {
            if (ModelState.IsValid)
            {
                string uniqueFileName = null;

                // If the Photo property on the incoming model object is not null, then the user
                // has selected an image to upload.
                if (model.Photo != null)
                {
                    // The image must be uploaded to the images folder in wwwroot
                    // To get the path of the wwwroot folder we are using the inject
                    // HostingEnvironment service provided by ASP.NET Core
                    string uploadsFolder = Path.Combine(hostingEnvironment.WebRootPath, "images");
                    // To make sure the file name is unique we are appending a new
                    // GUID value and and an underscore to the file name
                    uniqueFileName = Guid.NewGuid().ToString() + "_" + Path.GetFileName(model.Photo.FileName);
                    string filePath = Path.Combine(uploadsFolder, uniqueFileName);
                    // Use CopyTo() method provided by IFormFile interface to
                    // copy the file to wwwroot/images folder
                    model.Photo.CopyTo(new FileStream(filePath, FileMode.Create));
                }

                Vehicle newVehicle = new Vehicle
                {

                    Make = model.Make,
                    Model = model.Model,
                    Year = model.Year,
                    // Store the file name in PhotoPath property of the employee object
                    // which gets saved to the Employees database table
                    PhotoPath = uniqueFileName
                };

                _vehicleRepository.Add(newVehicle);
                return RedirectToAction("index", new { id = newVehicle.VehicleID });
            }

            return View();
        }
    }
}