public ActionResult EditBook(string operation, string bookId)
{
var user = Bl.Users.Current;
if (!user.IsAdmin)
{
return(RedirectToAction("Default", "Home"));
}
EditBookInfo edit;
if (operation == "Add")
{
edit = new EditBookInfo
{
PurchaseDate = DateTime.Now.ToShortDateString(),
PageTitle = "Register New Book",
Operation = "Add",
Confirmmation = Utility.BuildConfirm("Are you sure to regist this book?")
};
return(View(edit));
}
var id = long.Parse(bookId);
Book book;
using (var db = new BookLibraryContext())
{
book = db.Books.Include("BookType").FirstOrDefault(b => b.BookId == id);
}
if (book == null)
{
var alert = Utility.BuildAlert("Invalid book ID [{0}].", bookId);
return(JavaScript(alert));
}
edit = new EditBookInfo
{
PageTitle = "Edit Book Information",
Operation = "Save",
Confirmmation = Utility.BuildConfirm("Are you sure to save the changes?")
};
edit.LoadInfo(book);
return(View(edit));
}
public ActionResult EditBook(EditBookInfo editInfo)
{
string alert;
var user = Bl.Users.Current;
if (!user.IsAdmin)
{
return(RedirectToAction("Default", "Home"));
}
var bookNumber = editInfo.BookNumber;
if (string.IsNullOrEmpty(bookNumber))
{
alert = Utility.BuildAlert("Book number could not be empty.");
return(JavaScript(alert));
}
if (editInfo.Operation == "Add")
{
using (var db = new BookLibraryContext())
{
var existBook = db.Books.Include("BookType").FirstOrDefault(b => b.BookNumber == bookNumber);
if (existBook != null)
{
alert = Utility.BuildAlert("The book number [{0}] conflict with the book {1}.", bookNumber, existBook.BookType.Title);
return(JavaScript(alert));
}
var book = CreateNewBook(editInfo);
db.Books.Add(book);
db.SaveChanges();
alert = Utility.BuildAlert("The new book was added.");
return(JavaScript(alert));
}
}
else if (editInfo.Operation == "Edit")
{
using (var db = new BookLibraryContext())
{
var bookId = long.Parse(editInfo.BookId);
var existBook = db.Books.Include("BookType").FirstOrDefault(b => b.BookId != bookId && b.BookNumber == bookNumber);
if (existBook != null)
{
alert = Utility.BuildAlert("The book number [{0}] conflict with the book {1}.", bookNumber, existBook.BookType.Title);
return(JavaScript(alert));
}
var book = db.Books.Include("BookType").FirstOrDefault(b => b.BookId == bookId);
editInfo.StoreInfo(book);
db.SaveChanges();
alert = Utility.BuildAlert("Book information updated.");
return(JavaScript(alert));
}
}
else
{
alert = Utility.BuildAlert("Invalid operation {0}.", editInfo.Operation);
return(JavaScript(alert));
}
}
