Created
May 30, 2017 20:42
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using ComicBookLibraryManagerWebApp.ViewModels; | |
using ComicBookShared.Models; | |
using System; | |
using System.Collections.Generic; | |
using System.Linq; | |
using System.Net; | |
using System.Web; | |
using System.Web.Mvc; | |
using System.Data.Entity; | |
namespace ComicBookLibraryManagerWebApp.Controllers | |
{ | |
public class ComicBookArtistsController_QueriesAndCommands : BaseController | |
{ | |
public ActionResult Add(int comicBookId) | |
{ | |
var comicBook = Context.ComicBooks | |
.Include(cb => cb.Series) | |
.Include(cb => cb.Artists.Select(a => a.Artist)) | |
.Include(cb => cb.Artists.Select(a => a.Role)) | |
.Where(cb => cb.Id == comicBookId) | |
.SingleOrDefault(); | |
if (comicBook == null) | |
{ | |
return HttpNotFound(); | |
} | |
var viewModel = new ComicBookArtistsAddViewModel() | |
{ | |
ComicBook = comicBook | |
}; | |
viewModel.Init(Repository); | |
return View(viewModel); | |
} | |
[HttpPost] | |
public ActionResult Add(ComicBookArtistsAddViewModel viewModel) | |
{ | |
ValidateComicBookArtist(viewModel); | |
if (ModelState.IsValid) | |
{ | |
var comicBookArtist = new ComicBookArtist() | |
{ | |
ComicBookId = viewModel.ComicBookId, | |
ArtistId = viewModel.ArtistId, | |
RoleId = viewModel.RoleId | |
}; | |
Context.ComicBookArtists.Add(comicBookArtist); | |
Context.SaveChanges(); | |
TempData["Message"] = "Your artist was successfully added!"; | |
return RedirectToAction("Detail", "ComicBooks", new { id = viewModel.ComicBookId }); | |
} | |
viewModel.ComicBook = Context.ComicBooks | |
.Include(cb => cb.Series) | |
.Include(cb => cb.Artists.Select(a => a.Artist)) | |
.Include(cb => cb.Artists.Select(a => a.Role)) | |
.Where(cb => cb.Id == viewModel.ComicBookId) | |
.SingleOrDefault(); | |
viewModel.Init(Repository); | |
return View(viewModel); | |
} | |
public ActionResult Delete(int comicBookId, int? id) | |
{ | |
if (id == null) | |
{ | |
return new HttpStatusCodeResult(HttpStatusCode.BadRequest); | |
} | |
var comicBookArtist = Context.ComicBookArtists | |
.Include(cba => cba.Artist) | |
.Include(cba => cba.Role) | |
.Include(cba => cba.ComicBook.Series) | |
.Where(cba => cba.Id == id) | |
.SingleOrDefault(); | |
if (comicBookArtist == null) | |
{ | |
return HttpNotFound(); | |
} | |
return View(comicBookArtist); | |
} | |
[HttpPost] | |
public ActionResult Delete(int comicBookId, int id) | |
{ | |
var comicBookArtist = new ComicBookArtist() { Id = id }; | |
Context.Entry(comicBookArtist).State = EntityState.Deleted; | |
Context.SaveChanges(); | |
TempData["Message"] = "Your artist was successfully deleted!"; | |
return RedirectToAction("Detail", "ComicBooks", new { id = comicBookId }); | |
} | |
private void ValidateComicBookArtist(ComicBookArtistsAddViewModel viewModel) | |
{ | |
// If there aren't any "ArtistId" and "RoleId" field validation errors... | |
if (ModelState.IsValidField("ArtistId") && | |
ModelState.IsValidField("RoleId")) | |
{ | |
// Then make sure that this artist and role combination | |
// doesn't already exist for this comic book. | |
if (Context.ComicBookArtists | |
.Any(cba => cba.ComicBookId == viewModel.ComicBookId && | |
cba.ArtistId == viewModel.ArtistId && | |
cba.RoleId == viewModel.RoleId)) | |
{ | |
ModelState.AddModelError("ArtistId", | |
"This artist and role combination already exists for this comic book."); | |
} | |
} | |
} | |
} | |
} |
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