public async Task<ActionResult> Create(Book book)
{
if (ModelState.IsValid)
{
Author author = await _authorRepository.GetAuthorByID(book.AuthorId);
book.Author = author;
var category = await _categoryRepository.GetCategoryByID(book.CategoryId);
book.Category = category;
await _bookRepository.InsertBook(book);
return RedirectToAction("Index");
}
return View(book);
}
/// <summary>
/// Lend the book.
/// </summary>
/// <param name="book">The book.</param>
/// <returns></returns>
public async Task LendBook(Book book)
{
if (book.Stock > 0)
book.Stock--;
else
book.Stock = 0;
context.Entry(book).State = EntityState.Modified;
await context.SaveChangesAsync();
}
/// <summary>
/// Updates the book.
/// </summary>
/// <param name="book">The book.</param>
/// <returns></returns>
public async Task UpdateBook(Book book)
{
context.Entry(book).State = EntityState.Modified;
await context.SaveChangesAsync();
}
/// <summary>
/// Inserts the book.
/// </summary>
/// <param name="book">The book.</param>
/// <returns></returns>
public async Task InsertBook(Book book)
{
context.Books.Add(book);
await context.SaveChangesAsync();
}
/// <summary>
/// Return the book.
/// </summary>
/// <param name="book">The book.</param>
/// <returns></returns>
public async Task ReturnBook(Book book)
{
book.Stock++;
context.Entry(book).State = EntityState.Modified;
await context.SaveChangesAsync();
}
public async Task<ActionResult> Edit( Book book)
{
if (ModelState.IsValid)
{
await _bookRepository.UpdateBook(book);
return RedirectToAction("Index");
}
return View(book);
}