// GET: /BackOffice/Collection/Create
public async Task<ActionResult> Create(int authorId = 0)
{
var model = new CollectionEditViewModel();
var c = new Collection();
c.Translations.Add(new CollectionTranslation
{
LanguageCode = LanguageDefinitions.DefaultLanguage
});
if (authorId != 0)
{
c.Authors = await db.Set<Author>().Where(a => a.Id == authorId).ToListAsync();
}
return View(GenerateViewModel(c));
}
public async Task<ActionResult> Create(CollectionEditViewModel model)
{
if (DoesCodeAlreadyExist(model.Collection))
{
ModelState.AddModelError("Collection.CatalogCode", CollectionStrings.Validation_CodeAlreadyExists);
}
if (ModelState.IsValid)
{
if (model.Logo != null)
{
var newName = Guid.NewGuid().ToString() + ".jpg";
FileUploadHelper.SaveImage(model.Logo.InputStream,
400, 400,
Server.MapPath("~/Public/Collections/") + newName,
FitMode.Crop);
model.Collection.LogoLocation = newName;
}
var authors = db.Set<Author>()
.Where(a => model.AuthorIds.Contains(a.Id));
model.Collection.Authors = authors.ToList();
db.Add(model.Collection);
await db.SaveChangesAsync();
return RedirectToAction("Index");
}
model.AvailableAuthors = db.Set<Author>()
.Select(a => new SelectListItem
{
Value = a.Id.ToString(),
Text = a.LastName + ", " + a.FirstName,
Selected = model.AuthorIds.Contains(a.Id)
})
.ToList();
return View(model);
}
private CollectionEditViewModel GenerateViewModel(Collection c)
{
var vm = new CollectionEditViewModel();
vm.Collection = c;
var authorIds = c.Authors.Select(a => a.Id).ToList();
vm.AvailableAuthors = db.Set<Author>()
.Select(a => new SelectListItem
{
Value = a.Id.ToString(),
Text = a.LastName + ", " + a.FirstName,
Selected = authorIds.Contains(a.Id)
})
.ToList();
return vm;
}
public async Task<ActionResult> Edit(CollectionEditViewModel model)
{
if (DoesCodeAlreadyExist(model.Collection))
{
ModelState.AddModelError("Collection.CatalogCode", CollectionStrings.Validation_CodeAlreadyExists);
}
if (ModelState.IsValid)
{
// Force-update the collection's author list.
await db.ForceLoadAsync(model.Collection, c => c.Authors);
model.Collection.Authors = db.Set<Author>()
.Where(a => model.AuthorIds.Contains(a.Id)).ToList();
foreach (var t in model.Collection.Translations)
{
db.UpdateTranslation(t);
}
// Update the logo if a new one is supplied. Don't allow property value changes if
// the logo doesn't exist.
if (model.Logo != null)
{
var logo = db.GetValueFromDb(model.Collection, c => c.LogoLocation);
if (logo == null)
{
model.Collection.LogoLocation =
Guid.NewGuid().ToString() + ".jpg";
logo = model.Collection.LogoLocation;
}
FileUploadHelper.SaveImage(model.Logo.InputStream,
400, 400,
Server.MapPath("~/Public/Collections/") + logo,
FitMode.Crop);
}
else
{
db.ExcludeFromUpdate(model.Collection, c => new { c.LogoLocation });
}
db.Update(model.Collection);
await db.SaveChangesAsync();
return RedirectToAction("Index");
}
model.AvailableAuthors = db.Set<Author>()
.Select(a => new SelectListItem
{
Value = a.Id.ToString(),
Text = a.LastName + ", " + a.FirstName,
Selected = model.AuthorIds.Contains(a.Id)
})
.ToList();
return View(model);
}
