public bool UpdateBook(int bookId, Book book)
{
try
{
using (var jenkinsContext = new JenkinsCrudContext())
{
var currentBook = jenkinsContext.Books.FirstOrDefault(x => !x.IsDeleted && x.Id == bookId);
if (currentBook == null)
{
return(false);
}
currentBook.Isbn = book.Isbn;
currentBook.PublicationDate = book.PublicationDate;
currentBook.PublicationPlace = book.PublicationPlace;
currentBook.Title = book.Title;
currentBook.AuthorFirstName = book.AuthorFirstName;
currentBook.AuthorLastName = book.AuthorLastName;
jenkinsContext.Entry(currentBook).State = EntityState.Modified;
return(jenkinsContext.SaveChanges() > 0);
}
}
catch (Exception e)
{
return(false);
}
}
public bool DeleteBook(int bookId)
{
try
{
using (var jenkinsContext = new JenkinsCrudContext())
{
var currentBook = jenkinsContext.Books.FirstOrDefault(x => x.Id == bookId);
if (currentBook == null)
{
return(false);
}
currentBook.IsDeleted = true;
jenkinsContext.Entry(currentBook).State = EntityState.Modified;
return(jenkinsContext.SaveChanges() > 0);
}
}
catch (Exception e)
{
return(false);
}
}
public bool AddBook(Book book)
{
try
{
using (var jenkinsContext = new JenkinsCrudContext())
{
jenkinsContext.Books.Add(book);
return(jenkinsContext.SaveChanges() > 0);
}
}
catch (Exception e)
{
return(false);
}
}