/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public ActionResult Download(string id)
{
var book = db.Books.Find(new Guid(id));
if (book == null)
{
return(new HttpNotFoundResult());
}
var extName = OpdsHelper.GetExtensionName(book.MimeType);
return(new RangeFileResult(Request, HostingEnvironment.MapPath("~/App_Data/Uploaded/") + id + extName, book.Name + extName, book.MimeType));
}
private bool UploadFile(HttpRequestBase request, Book book)
{
// Files count should be 1.
foreach (string file in Request.Files)
{
if (Request.Files[file] == null || Request.Files[file].ContentLength == 0)
{
continue;
}
book.DownloadAddress = MvcApplication.Current.ContentSaver
.Store(book.Id + Path.GetExtension(Request.Files[file].FileName), Request.Files[file].InputStream);
book.MimeType = OpdsHelper.DetectFileMimeType(Request.Files[file].FileName);
book.FileSize = Request.Files[file].ContentLength;
return(true);
}
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="path"></param>
/// <param name="id"></param>
/// <returns></returns>
protected virtual object GetFileOpdsInfo(string path, string id)
{
var fileInfo = new FileInfo(path);
var fileVersionInfo = FileVersionInfo.GetVersionInfo(path);
return(new
{
Id = id,
Title = fileInfo.Name,
Summary = fileVersionInfo.FileDescription,
UpdateTime = fileInfo.LastWriteTime,
OpdsDataType = OpdsDataType.Detial,
Length = fileInfo.Length,
CreateTime = fileInfo.CreationTime,
Language = fileVersionInfo.Language,
CopyRight = fileVersionInfo.LegalCopyright,
Publisher = fileVersionInfo.CompanyName,
AuthorName = fileVersionInfo.CompanyName,
MediaType = OpdsHelper.DetectFileMimeType(path)
});
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public override OpdsData Process()
{
var id = Id ?? String.Empty;
var root = Path.Combine(RootFolder, id);
var items = new List <object>();
var result = new OpdsData()
{
Data = items
};
if (!Directory.Exists(root))
{
throw new ArgumentException("id");
}
foreach (var path in Directory.GetFiles(root))
{
if (OpdsHelper.IsFileSupported(path))
{
// Path will be used as Id.
var item = GetFileOpdsInfo(path, Path.Combine(id, Path.GetFileName(path)));
items.Add(item);
}
}
foreach (var path in Directory.GetDirectories(root))
{
var directoryInfo = new DirectoryInfo(path);
items.Add(new
{
Id = Path.Combine(id, Path.GetFileName(path)),
Title = directoryInfo.Name,
UpdateTime = directoryInfo.LastWriteTime,
OpdsDataType = OpdsDataType.Category,
});
}
return(result);
}
/// <summary>
/// 处理文件搜索请求
/// </summary>
/// <returns></returns>
public override OpdsData Process()
{
var id = Id ?? String.Empty;
var root = Path.Combine(RootFolder, id);
var items = new List <object>();
var result = new OpdsData()
{
Data = items
};
foreach (var file in Directory.GetFiles(root, KeyWord, SearchOption.AllDirectories))
{
if (OpdsHelper.IsFileSupported(file))
{
// Path will be used as Id.
var item = GetFileOpdsInfo(file, Path.Combine(id, Path.GetFileName(file)));
items.Add(item);
}
}
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public ActionResult Download(string id)
{
// Given the file name to force download instead of opening within the browser.
return(File(Path.Combine("~/App_Data", id), OpdsHelper.DetectFileMimeType(id), Path.GetFileName(id)));
}
public void GetExtensionNameTest()
{
var ext = OpdsHelper.GetExtensionName("text/plain");
Assert.AreEqual(".txt", ext);
}
public void DetectFileMimeTypeTest()
{
var mime = OpdsHelper.DetectFileMimeType(@"C:\a.txt");
Assert.AreEqual("text/plain", mime);
}
