public ActionResult RemovePublishers(AddPublishersCreate model)
{
var service = CreateBookPublisherService();
service.RemovePublisher(model);
return(RedirectToAction("Details", "Book", new { id = model.BookId }));
}
public ActionResult AddPublishers(AddPublishersCreate model)
{
var service = CreateAuthorPublisherService();
service.AddPublisher(model);
return(RedirectToAction("Details", "Author", new { id = model.AuthorId }));
}
public bool AddPublisher(AddPublishersCreate model)
{
foreach (int publisherId in model.Publishers)
{
var entity = new BookPublisher()
{
BookId = model.BookId,
PublisherId = publisherId
};
using (var ctx = new ApplicationDbContext())
{
ctx.BookPublishers.Add(entity);
var changes = ctx.SaveChanges();
}
}
return(true);
}
public bool RemovePublisher(AddPublishersCreate model)
{
foreach (int publisherId in model.Publishers)
{
var entity = new AuthorPublisher()
{
AuthorId = model.AuthorId,
PublisherId = publisherId
};
using (var ctx = new ApplicationDbContext())
{
ctx.AuthorPublishers.Attach(entity);
ctx.AuthorPublishers.Remove(entity);
var changes = ctx.SaveChanges();
}
}
return(true);
}
