public BookViewModel(Book book, EbooksContext db)
{
BookId = book.BookId;
Title = book.Title;
Author = book.Author?.AuthorId;
Authors = new SelectList(new Author[] { new Author() }.Concat(db.Authors.Where(a => a.Books.Any(b => b.UserId == book.UserId))).ToArray(), "AuthorId", "Name", Author);
Publisher = book.Publisher?.PublisherId;
Publishers = new SelectList(new Publisher[] { new Publisher() }.Concat(db.Publishers.Where(p => p.Books.Any(b => b.UserId == book.UserId))).ToArray(), "PublisherId", "Name", Publisher);
Description = book.Description;
SelectedTags = book.Tags.Select(t => t.Item).ToArray();
// Because of the bug in ListBoxFor both the tag objects and a tag list are required to
// populate the tagger control.
Tags = book.Tags.ToList();
TagList = new MultiSelectList(db.Tags.Where(t => t.Books.Any(b => b.UserId == book.UserId)).ToArray(), "Item", "Item", SelectedTags);
// The JSON data required by the tagger control.
var tagsInfo = new JObject();
foreach (var tag in db.Tags) {
var item = new JObject();
item["id"] = tag.Item;
item["selected"] = book.Tags.Contains(tag);
item["suggestable"] = true;
item["suggestion"] = tag.Item;
item["key"] = tag.Item;
tagsInfo.Add(tag.Item, item);
}
TagsInfo = tagsInfo.ToString();
Idents = db.Idents.Where(i => i.BookIdents.Any(bi => bi.Book.UserId == book.UserId)).Select(i => i.Name).ToArray();
BookIdents = book.BookIdents.ToDictionary(bi => bi.Ident.Name, bi => bi.Identifier);
}
/// <summary>
/// Loads a new book into the database for the given user, reusing records wherever possible.
/// </summary>
/// <param name="db"></param>
/// <param name="ep"></param>
/// <param name="userId"></param>
/// <returns></returns>
/// <remarks>Does not save the changes.</remarks>
public static Book Load(EbooksContext db, Epub ep, int userId)
{
var book = new Book {
UserId = userId,
Title = ep.Title,
Author = Author.Get(db, ep),
Publisher = Publisher.Get(db, ep),
Cover = Cover.Get(db, ep),
EpubFile = EpubFile.Get(db, ep),
Series = Series.Get(db, ep),
SeriesNbr = ep.SeriesNbr,
Description = ep.Description
};
book.SetTags(db, ep.Tags);
book.SetIdentifiers(db, ep.Identifiers);
db.Books.Add(book);
return book;
}
public GutenbergViewModel(IEnumerable<LanguageName> languages)
{
Books = new Book[0];
Filter = null;
setLanguages(languages);
}