Вынес создание телефона в сервис.

#1

PhoneStore/Controllers/PhonesController.cs

@@ -5,9 +5,8 @@ using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.Hosting;
+using PhoneStore.Helpers;
 using PhoneStore.Models;
-using PhoneStore.Services;
 using PhoneStore.Services.Abstractions;
 using PhoneStore.ViewModels;
 
@@ -16,28 +15,21 @@ namespace PhoneStore.Controllers
     public class PhonesController : Controller
     {
         private readonly MobileContext _db;
-        private readonly IHostEnvironment _environment;
-        private readonly UploadService _uploadService;
-        private readonly IDefaultPhoneImagePathProvider _imagePathProvider;
+        private readonly IPhoneService _phoneService;
 
         public PhonesController(
             MobileContext db,
-            IHostEnvironment environment, 
-            UploadService uploadService, 
-            IDefaultPhoneImagePathProvider imagePathProvider)
+            IPhoneService phoneService)
         {
             _db = db;
-            _environment = environment;
-            _uploadService = uploadService;
-            _imagePathProvider = imagePathProvider;
+            _phoneService = phoneService;
         }
        
         [HttpGet]
-        public IActionResult Index(int? brandId, string name)
+        public IActionResult Index(int? brandId)
         {
             IEnumerable<Brand> brands = _db.Brands;
-            IQueryable<Phone> phones = _db.Phones
-                .AsQueryable();
+            IQueryable<Phone> phones = _db.Phones.AsQueryable();
 
             if (brandId is > 0)
                 phones = _db.Phones.Where(p => p.BrandId == brandId);
@@ -66,38 +58,23 @@ namespace PhoneStore.Controllers
             {
                 if (ModelState.IsValid)
                 {
-                    string imagePath;
-                    if (model.File is null)
-                        imagePath = _imagePathProvider.GetPathToDefaultImage();
-                    else
-                    {
-                        var brand = _db.Brands.FirstOrDefault(b => b.Id == model.BrandId);
-                        string dirPath = Path.Combine(_environment.ContentRootPath, $"wwwroot\\images\\phoneImages\\{brand!.Name}");
-                        string fileName = $"{model.File.FileName}";
-                        await _uploadService.UploadAsync(dirPath, fileName, model.File);
-                        imagePath = $"images\\phoneImages\\{brand!.Name}\\{fileName}";
-                    }
-                
-                    _db.Phones.Add(new Phone
-                    {
-                        Image = imagePath,
-                        Name = model.Name,
-                        Price = (decimal)model.Price!,
-                        BrandId = model.BrandId
-                    });
-                    await _db.SaveChangesAsync();
+                    await _phoneService.CreateAsync(model);
 
                     return RedirectToAction("Index");
                 }
+
+                model.Brands = _db.Brands.ToList();
+                return View("Create", model);
             }
             //TODO: Добавить кастомный exception
-            catch (FileNotFoundException e)
+            catch (FileNotFoundException)
             {
                 return RedirectToAction("Error", "Errors", new {statusCode = 666});
             }
-
-            model.Brands = _db.Brands.ToList();
-            return View("Create", model);
+            catch(Exception)
+            {
+                return RedirectToAction("Error", "Errors", new {statusCode = 777});
+            }
         }
 
         [HttpGet]
@@ -105,7 +82,7 @@ namespace PhoneStore.Controllers
         {
             var phone = _db.Phones.FirstOrDefault(p => p.Id == phoneId);
             if (phone is null)
-                return BadRequest();
+                return RedirectToAction("Error", "Errors", new {statusCode = 777});
             
             return View(phone);
         }
@@ -114,6 +91,7 @@ namespace PhoneStore.Controllers
         [ActionName("Delete")]
         public IActionResult Confirm(int phoneId)
         {
+            //TODO: Добавить удаление файла изображения.
             var phone = _db.Phones.FirstOrDefault(p => p.Id == phoneId);
             if (phone is null)
                 return BadRequest();
@@ -129,50 +107,34 @@ namespace PhoneStore.Controllers
             var brands = _db.Brands.ToList();
             var phone = _db.Phones.FirstOrDefault(p => p.Id == phoneId);
             if (phone is null)
-            {
-                return BadRequest();
-            }
+                return RedirectToAction("Error", "Errors", new {statusCode = 777});
+            
             PhoneCreateViewModel model = new PhoneCreateViewModel
             {
                 Id = phone.Id,
                 Name = phone.Name,
                 Price = phone.Price,
                 BrandId = (int)phone.BrandId,
+                Image = phone.Image,
                 Brands = brands
             };
             return View(model);
         }
         
         [HttpPost]
-        public IActionResult Edit(Phone phone)
+        public IActionResult Edit(PhoneCreateViewModel model)
         {
-            if (phone is null)
-            {
-                return BadRequest();
-            }
+            if (model is null)
+                return RedirectToAction("Error", "Errors", new {statusCode = 777});
+            string imagePath = string.Empty;
+            if (model.File is null)
+                imagePath = model.Image;
             
-            _db.Phones.Update(phone);
+            _db.Phones.Update(model.MapToPhone(imagePath));
             _db.SaveChanges();
             return RedirectToAction("Index");
         }
 
-        
-        [HttpGet]
-        public IActionResult UploadFile()
-        {
-            return View();
-        }
-        
-        [HttpPost]
-        public async Task<IActionResult> UploadFile(FileViewModel model)
-        {
-            string dirPath = Path.Combine(_environment.ContentRootPath, "wwwroot/Files");
-            string fileName = $"{model.File.FileName}";
-            await _uploadService.UploadAsync(dirPath, fileName, model.File);
-
-            return Ok("Файл успешно загружен");
-        }
-
         [HttpGet]
         public IActionResult About(int? id)
         {

PhoneStore/Helpers/PhoneMapper.cs

+using PhoneStore.Models;
+using PhoneStore.ViewModels;
+
+namespace PhoneStore.Helpers
+{
+    public static class PhoneMapper
+    {
+        public static Phone MapToPhone(this PhoneCreateViewModel self, string imagePath = null)
+        {
+            Phone phone = new Phone
+            {
+                Name = self.Name,
+                Price = (decimal) self.Price!,
+                BrandId = self.BrandId,
+                Image = imagePath,
+                Id = self.Id
+            };
+
+            return phone;
+        }
+    }
+}
\ No newline at end of file

PhoneStore/Services/Abstractions/ICreatable.cs

+using System.Threading.Tasks;
+
+namespace PhoneStore.Services.Abstractions
+{
+    public interface ICreatable<in T> where T : class
+    {
+        Task CreateAsync(T entity);
+    }
+}
\ No newline at end of file

PhoneStore/Services/Abstractions/IPhoneService.cs

+using PhoneStore.ViewModels;
+
+namespace PhoneStore.Services.Abstractions
+{
+    public interface IPhoneService : ICreatable<PhoneCreateViewModel>
+    {
+        
+    }
+}
\ No newline at end of file

PhoneStore/Services/PhoneService.cs

+using System;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Hosting;
+using PhoneStore.Helpers;
+using PhoneStore.Models;
+using PhoneStore.Services.Abstractions;
+using PhoneStore.ViewModels;
+
+namespace PhoneStore.Services
+{
+    public class PhoneService : IPhoneService
+    {
+        private readonly MobileContext _db;
+        private readonly IDefaultPhoneImagePathProvider _imagePathProvider;
+        private readonly UploadService _uploadService;
+        private readonly IHostEnvironment _environment;
+
+
+
+        public PhoneService(
+            MobileContext db, 
+            IDefaultPhoneImagePathProvider imagePathProvider, 
+            UploadService uploadService, 
+            IHostEnvironment environment)
+        {
+            _db = db;
+            _imagePathProvider = imagePathProvider;
+            _uploadService = uploadService;
+            _environment = environment;
+        }
+
+        public async Task CreateAsync(PhoneCreateViewModel entity)
+        {
+            string imagePath;
+            if (entity.File is null)
+                imagePath = _imagePathProvider.GetPathToDefaultImage();
+            else
+            {
+                var brand = _db.Brands.FirstOrDefault(b => b.Id == entity.BrandId);
+                if (brand is null)
+                    throw new Exception();
+                string dirPath = Path.Combine(_environment.ContentRootPath, $"wwwroot\\images\\phoneImages\\{brand.Name}");
+                string fileName = $"{entity.File.FileName}";
+                await _uploadService.UploadAsync(dirPath, fileName, entity.File);
+                imagePath = $"images\\phoneImages\\{brand!.Name}\\{fileName}";
+            }
+                
+            _db.Phones.Add(entity.MapToPhone(imagePath));
+            await _db.SaveChangesAsync();
+        }
+
+    }
+}
\ No newline at end of file

PhoneStore/Startup.cs

@@ -31,6 +31,7 @@ namespace PhoneStore
             services.AddTransient<UploadService>();
             services.AddTransient<IDefaultPhoneImagePathProvider>(_ =>
                 new DefaultPhoneImagePathProvider(Configuration["PathToDefaultAvatar:Path"]));
+            services.AddTransient<IPhoneService, PhoneService>();
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.

PhoneStore/ViewModels/PhoneCreateViewModel.cs

@@ -19,5 +19,6 @@ namespace PhoneStore.ViewModels
         public int BrandId { get; set; }
         public List<Brand> Brands { get; set; }
         public IFormFile File { get; set; }
+        public string Image { get; set; }
     }
 }
\ No newline at end of file

PhoneStore/Views/Phones/Edit.cshtml

@@ -11,8 +11,11 @@
                 await Html.RenderPartialAsync("PartialViews/PhoneFormPartialView");
             }
             <input type="text" hidden asp-for="@Model.Id">
+            <input type="text" hidden asp-for="@Model.Image">
             <button type="submit"
-                    class="btn btn-outline-warning">Изменить</button>
+                    class="btn btn-outline-warning">
+                Изменить
+            </button>
         </form>
     </div>
 </div>

PhoneStore/Views/Phones/UploadFile.cshtml

-@model FileViewModel
-
-@{
-    ViewBag.Title = "Загрузка файла";
-    Layout = "_Layout";
-}
-
-<h2>Загрузите файл на сервер</h2>
-
-<form asp-action="UploadFile" asp-controller="Phones" method="post" enctype="multipart/form-data">
-  <fieldset>
-    <div class="mb-3">
-      <div class="form-check">
-        <input class="form-check-input" type="file" asp-for="File">
-        <label class="form-check-label" asp-for="File">
-          Добавьте файл
-        </label>
-      </div>
-    </div>
-    <button type="submit" class="btn btn-outline-info">Добавить</button>
-  </fieldset>
-</form>