static void Main(string[] args)
{
BookManager bm = new BookManager();
int choice;
bool check;
while (true)
{
do
{
Console.WriteLine();
Console.WriteLine("What would you want to do?");
Console.WriteLine("1. Add new book");
Console.WriteLine("2. Update a book");
Console.WriteLine("3. Delete a book");
Console.WriteLine("4. List all book");
Console.WriteLine("5. Quit");
Console.Write("Your choice: ");
check = int.TryParse(Console.ReadLine(), out choice);
if (!check)
{
Console.WriteLine("Choice is a number");
}
if (choice < 1 || choice > 5)
{
Console.WriteLine("Choice from 0 - 5 only");
}
} while (!check || choice < 1 || choice > 5);
switch (choice)
{
case 1:
bm.AddNewBook();
break;
case 2:
bm.UpdateBook();
break;
case 3:
bm.DeleteBook();
break;
case 4:
bm.ListAllBooks();
break;
case 5:
Console.WriteLine("Thanks for using the system!");
return;
break;
}
}
}
public ActionResult AddBook(Book book)
{
Author author = null;
author = authorManager.GetAuthorByID(book.AuthorID);
Publisher publisher = null;
publisher = publisherManager.GetPublisherByID(book.Publisher);
string authorIDText = Request.Form["AuthorID"];
int authorID = 0;
int.TryParse(authorIDText, out authorID);
book.AuthorID = authorID;
try
{
UpdateModel <Book>(book);
}
catch (Exception) { /* book model cannot be updated */ }
if (ModelState.IsValid)
{
if (bookManager.CheckISBN(book.ISBN))
{
ModelState.AddModelError("", "ISBN already exists");
return(View());
}
else if (author == null)
{
ModelState.AddModelError("", "Author does not exist");
return(View());
}
else if (publisher == null)
{
ModelState.AddModelError("", "Publisher does not exist");
return(View());
}
else
{
bookManager.AddNewBook(book);
return(RedirectToAction("Details", "Book", book));
}
}
else
{
return(View());
}
}
static void Main(string[] args)
{
BookManager lib = new BookManager();
char option = '1';
while (option != '5')
{
Console.WriteLine("Wellcome to my library");
Console.WriteLine("1. Add new book");
Console.WriteLine("2.Update a book");
Console.WriteLine("3.Delete a book");
Console.WriteLine("4.List all book");
Console.WriteLine("5.Quit");
Console.Write("Choose an option (from 1-5): ");
option = new DataInput().CheckOption();
switch (option)
{
case '1':
if (lib.AddNewBook(lib.AddBook()))
{
Console.WriteLine("Saved!!!");
}
else
{
Console.WriteLine("Can not add to the book!!!");
}
break;
case '2':
if (lib.UpdateBookInfor())
{
Console.WriteLine("Done!!!");
}
else
{
Console.WriteLine("Can not update the book, double-check book's id " +
"or amount of book in the list");
}
break;
case '3':
bool result4 = lib.DeleteBook();
if (result4)
{
Console.WriteLine("Done!!!");
}
else
{
Console.WriteLine("Can not delete the requested book, double-check book's id " +
"or amount of book in the list");
}
break;
case '4':
if (lib.GetListBook().Count == 0)
{
Console.WriteLine("No book to show");
break;
}
lib.DisplayAllBooks();
break;
case '5':
break;
}
}
}