public bool CreateBook(List <int> authorsId, List <int> categoriesId, Book book)
{
var authors = _bookContext.Authors.Where(a => authorsId.Contains(a.Id)).ToList();
var categories = _bookContext.Categories.Where(c => categoriesId.Contains(c.Id)).ToList();
foreach (var author in authors)
{
var bookAuthor = new BookAuthor()
{
Author = author,
Book = book
};
_bookContext.Add(bookAuthor);
}
foreach (var category in categories)
{
var bookCategory = new BookCategory()
{
Category = category,
Book = book
};
_bookContext.Add(bookCategory);
}
_bookContext.Add(book);
return(Save());
}
public bool CreateAuthor(Author author)
{
_authorContext.Add(author);
return(Save());
}
public bool CreateReviewer(Reviewer reviewer)
{
_reviewerContext.Add(reviewer);
return(Save());
}
public bool CreateReview(Review review)
{
_reviewContext.Add(review);
return(Save());
}