public IHttpActionResult UpdateById(int id, Book book)
{
BookDao bookExists = bookManagement.GetById(id);
if (bookExists == null)
{
return(NotFound());
}
if (book.ISBN == 0 || book.Title == "" || book.Author == "" ||
book.PublishYear == "" || book.Publisher == "" || book.Image == "" ||
book.Summary == "" || book.Category == "" || book.Language == "")
{
return(BadRequest("Insufficient input"));
}
//Check if ISBN is greater than 0
if (book.ISBN <= 0)
{
return(BadRequest("ISBN should be greater than 0"));
}
//Check if number of available books is not smaller or equal to 0
if (book.NumberAvailable <= 0)
{
return(BadRequest("Number of available books must be greater than 0"));
}
//Calling the AddBook method to execute stored procedure
string message = bookManagement.UpdateById(id, book.ISBN, book.Title, book.Author,
book.PublishYear, book.NumberAvailable, book.Publisher,
book.Image, book.Summary, book.Category, book.Language);
if (message.Contains("Error"))
{
return(BadRequest(message));
}
return(Ok(message));
}
