public JsonResult CreateBook([DataSourceRequest] DataSourceRequest request, BookDetailsViewModel bookVM)
{
if (bookVM.CategoryName == null)
{
ModelState.AddModelError("CategoryName", "You must select category");
}
if (bookVM != null && ModelState.IsValid)
{
var catTitle = bookVM.CategoryName;
var category = this.db.Categories.FirstOrDefault(x => x.Title == catTitle);
var book = new Book
{
Title = bookVM.Title,
Description = bookVM.Description,
Author = bookVM.Author,
PublishDate = bookVM.PublishDate,
Category = category
};
this.db.Books.Add(book);
this.db.SaveChanges();
bookVM.Id = book.Id;
}
return Json(new[] { bookVM }.ToDataSourceResult(request, ModelState), JsonRequestBehavior.AllowGet);
}
public JsonResult DestroyBook([DataSourceRequest] DataSourceRequest request, BookDetailsViewModel bookVM)
{
var book = this.db.Books.FirstOrDefault(x => x.Id == bookVM.Id);
this.db.Books.Remove(book);
this.db.SaveChanges();
return Json(new[] { bookVM }, JsonRequestBehavior.AllowGet);
}
public JsonResult UpdateBook([DataSourceRequest] DataSourceRequest request, BookDetailsViewModel bookVM)
{
Book book = this.db.Books.FirstOrDefault(x => x.Id == bookVM.Id);
if (book != null && ModelState.IsValid)
{
if (book.Title != bookVM.Title)
{
book.Title = bookVM.Title;
}
if (book.Description != bookVM.Description)
{
book.Description = bookVM.Description;
}
if (book.Author != bookVM.Author)
{
book.Author = bookVM.Author;
}
if (book.PublishDate != bookVM.PublishDate)
{
book.PublishDate = bookVM.PublishDate;
}
if (book.Category.Title != bookVM.CategoryName)
{
book.Category = this.db.Categories.Where(x => x.Title == bookVM.CategoryName).Single();
}
this.db.SaveChanges();
}
return Json((new[] { bookVM }.ToDataSourceResult(request, ModelState)), JsonRequestBehavior.AllowGet);
}
