public ActionResult Download(int gutBookId, bool images)
{
using (var db = new EbooksContext()) {
var gutBook = db.GutBooks.Single(b => b.GutBookId == gutBookId);
// Check whether the book has already been downloaded
var ef = db.EpubFiles.SingleOrDefault(e => e.GutBookId == gutBook.GutBookId && e.GutBookWithImages == images);
Epub ep;
if (ef != null) {
ep = new Epub(ef.Contents);
} else {
ep = new Epub(images ? gutBook.GetEpubImages() : gutBook.GetEpubNoImages());
}
try {
var user = db.GetEbooksUser(User);
var book = Book.Load(db, ep, user.UserId);
if (book.Publisher == null) book.Publisher = Publisher.Get(db, "Project Gutenberg");
if (ef == null) {
book.EpubFile.GutBookId = gutBook.GutBookId;
book.EpubFile.GutBookWithImages = images;
}
db.SaveChanges();
} finally {
ep.Dispose();
}
}
return RedirectToAction("Index", "Ebooks");
}
public ActionResult ReadContent()
{
int bookId = Convert.ToInt32(Request.Url.Segments[3].TrimEnd('/'));
string file = HttpUtility.UrlDecode(string.Join("", Request.Url.Segments.Skip(4)));
using (var db = new EbooksContext()) {
var userId = db.GetEbooksUser(User).UserId;
var book = db.Books.Single(b => b.BookId == bookId && b.UserId == userId);
if (book == null) return null;
using (var ep = new Epub(book)) {
return new FileStreamResult(ep.GetContentFile(file), "text/html");
}
}
}
// GET: ReadBook
public ActionResult Index(int bookId = 0, int spineIndex = 0)
{
using (var db = new EbooksContext()) {
var user = db.GetEbooksUser(User);
var book = db.Books.SingleOrDefault(b => b.BookId == bookId && b.UserId == user.UserId);
if (book == null) return RedirectToAction("Index", "Ebooks");
using (var ep = new Epub(book)) {
var spine = ep.SpineRefs.ToArray();
spineIndex = Math.Max(0, Math.Min(spineIndex, spine.Length - 1));
string url = Url.Action($"ReadContent/{bookId}/{spine[spineIndex]}");
var model = new ReadBookViewModel {
SpineRefs = ep.SpineRefs.ToArray(),
Title = book.Title,
Url = url,
BookId = bookId,
Toc = ep.Toc
};
return View(model);
}
}
}
public ActionResult UploadFiles()
{
using (var db = new EbooksContext()) {
var user = db.GetEbooksUser(User);
foreach (string f in Request.Files) {
HttpPostedFileBase hpf = Request.Files[f] as HttpPostedFileBase;
if (hpf.ContentLength == 0) continue;
using (var m = new MemoryStream(hpf.ContentLength)) {
hpf.InputStream.CopyTo(m);
var epub = new Epub(m);
Book.Load(db, epub, user.UserId);
db.SaveChanges();
}
}
}
return Redirect("~/Ebooks");
}