private static void WriteReviewElement(Review review, XmlTextWriter writer)
{
writer.WriteStartElement("result-set");
if (review.CreationDate != null)
{
writer.WriteElementString("data", review.CreationDate.ToString());
}
writer.WriteElementString("content", review.Text);
writer.WriteStartElement("book");
writer.WriteElementString("title", review.Book.Title);
if (review.Book.Authors != null && review.Book.Authors.Count > 0)
{
writer.WriteElementString("authors", string.Join(", ",review.Book.Authors));
}
if (review.Book.ISBN != null)
{
writer.WriteElementString("isbn", review.Book.ISBN);
}
if (review.Book.WebSite != null)
{
writer.WriteElementString("url", review.Book.WebSite);
}
writer.WriteEndElement();
}
private static Review ParseReview(XmlNode review)
{
var newReview = new Review
{
Text = review.GetText()
};
var authorText = review.Attributes[Author].GetText();
if (authorText != null)
{
newReview.Author = new Author { Name = authorText };
}
var dateString = review.Attributes[Date].GetText();
var parsedDate = ParseDate(dateString);
if (parsedDate != null)
{
newReview.CreationDate = DateTime.Parse(parsedDate.ToString());
}
return newReview;
}
public static void ImportBooksAuthorsAndReviews(string bookTitle, string isbn,
decimal? price, string webSite, List<string> authorsNames, List<ReviewData> reviewsData)
{
using (BookstoreEntities dbContext = new BookstoreEntities())
{
Book newBook = new Book
{
Title = bookTitle.ToLower(),
ISBN = isbn,
Price = price,
website = webSite,
};
foreach (string authorName in authorsNames)
{
Author bookAutor = CreateOrLoadAuthor(dbContext, authorName);
newBook.Authors.Add(bookAutor);
}
foreach (ReviewData reviewData in reviewsData)
{
Review newReview = new Review()
{
Content = reviewData.Content,
CreationDate = reviewData.Date,
};
if (reviewData.AuthorName != null)
{
newReview.Author = CreateOrLoadAuthor(dbContext, reviewData.AuthorName);
}
newBook.Reviews.Add(newReview);
}
dbContext.Books.Add(newBook);
dbContext.SaveChanges();
}
}
