public IHttpActionResult AddBook(Book book)
{
//Check if there is any empty field
if (book.ISBN == 0 || book.Title == "" || book.Author == "" ||
book.PublishYear == "" || book.Publisher == "" || book.Image == "" ||
book.Summary == "" || book.Category == "" || book.Language == "")
{
return(BadRequest("Insufficient input"));
}
//Validate ISBN must be exact 6 digits
var hasDigits = Math.Floor(Math.Log10(book.ISBN) + 1);
if (hasDigits < 6 || hasDigits > 6)
{
return(BadRequest("ISBN should be exact 6 digits"));
}
//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.AddBook(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));
}
