public static ViewDataUploadFileResult StoreFile(Action <MvcFileSave> action)
{
var mvcFile = new MvcFileSave();
mvcFile.FileTimeStamp = DateTime.Now.ToUniversalTime();
action(mvcFile);
ViewDataUploadFileResult status;
var dirInfo = new DirectoryInfo(mvcFile.StorageDirectory);
var file = mvcFile.File;
var fileNameWithoutPath = Path.GetFileName(mvcFile.File.FileName);
var fileExtension = Path.GetExtension(fileNameWithoutPath);
var fileName = Path.GetFileNameWithoutExtension(Path.GetFileName(mvcFile.File.FileName));
var genName = fileName + "-" + mvcFile.FileTimeStamp.ToFileTime();
var genFileName = String.IsNullOrEmpty(mvcFile.FileName) ? genName + fileExtension : mvcFile.FileName;// get filename if set
var fullPath = Path.Combine(mvcFile.StorageDirectory, genFileName);
try
{
var viewDataUploadFileResult = new ViewDataUploadFileResult()
{
name = fileNameWithoutPath,
SavedFileName = genFileName,
size = file.ContentLength,
type = file.ContentType,
url = mvcFile.UrlPrefix + "/" + genFileName,
//delete_url = Url.Action("DeleteFile", new { fileUrl = "/"+storageRoot+"/" + genFileName }),
//thumbnail_url = thumbUrl + "?width=100",
deleteType = "POST",
Title = fileName,
//for controller use
FullPath = dirInfo.FullName + "/" + genFileName
};
//add delete url
mvcFile.AddFileUriParamToDeleteUrl("fileUrl", viewDataUploadFileResult.url);
viewDataUploadFileResult.deleteUrl = mvcFile.DeleteUrl;
status = viewDataUploadFileResult;
mvcFile.File.SaveAs(fullPath);
}
catch (Exception exc)
{
if (mvcFile.ThrowExceptions)
{
throw;
}
status = new ViewDataUploadFileResult()
{
error = exc.Message,
name = file.FileName,
size = file.ContentLength,
type = file.ContentType
};
}
return(status);
}
public ActionResult UploadFile(int?entityId) // optionally receive values specified with Html helper
{
// here we can send in some extra info to be included with the delete url
var statuses = new List <ViewDataUploadFileResult>();
for (var i = 0; i < Request.Files.Count; i++)
{
var x = new MvcFileSave();
x.File = Request.Files[i];
var filePath = Server.MapPath("~\\" + x.File.FileName);
var fileStream = System.IO.File.Create(filePath);
x.File.InputStream.Seek(0, SeekOrigin.Begin);
x.File.InputStream.CopyTo(fileStream);
fileStream.Close();
//BinaryReader b = new BinaryReader(x.File.InputStream);
//byte[] binImage = b.ReadBytes(Convert.ToInt32(x.File.InputStream.Length));
//Stream stream = new MemoryStream(binImage);
var uploadParams = new RawUploadParams
{
File = new FileDescription(filePath)
};
var uploadResult = cloudinary.Upload(uploadParams);
System.IO.File.Delete(filePath);
x.UrlPrefix = uploadResult.SecureUri.AbsoluteUri;
string currentUserId = User.Identity.GetUserId();
Context.Pictures.Add(new Picture {
Url = x.UrlPrefix, UserId = currentUserId
});
Context.SaveChanges();
x.FileName = Request.Files[i].FileName; // default is filename suffixed with filetimestamp
x.ThrowExceptions = false; //default is false, if false exception message is set in error property
statuses.Add(new ViewDataUploadFileResult
{
FullPath = x.UrlPrefix,
size = x.File.ContentLength,
deleteUrl = x.DeleteUrl,
thumbnailUrl = x.UrlPrefix,
url = x.UrlPrefix,
name = x.FileName
});
}
//statuses contains all the uploaded files details (if error occurs then check error property is not null or empty)
//todo: add additional code to generate thumbnail for videos, associate files with entities etc
//adding thumbnail url for jquery file upload javascript plugin
statuses.ForEach(x => x.thumbnailUrl = x.url);// + " width=300px height=200px"); // uses ImageResizer httpmodule to resize images from this url
//setting custom download url instead of direct url to file which is default
statuses.ForEach(x => x.url = Url.Action("DownloadFile", new { fileUrl = x.url, mimetype = x.type }));
//server side error generation, generate some random error if entity id is 13
if (entityId == 13)
{
var rnd = new Random();
statuses.ForEach(x =>
{
//setting the error property removes the deleteUrl, thumbnailUrl and url property values
x.error = rnd.Next(0, 2) > 0 ? "We do not have any entity with unlucky Id : '13'" : String.Format("Your file size is {0} bytes which is un-acceptable", x.size);
//delete file by using FullPath property
if (System.IO.File.Exists(x.FullPath))
{
System.IO.File.Delete(x.FullPath);
}
});
}
var viewresult = Json(new { files = statuses });
//for IE8 which does not accept application/json
if (Request.Headers["Accept"] != null && !Request.Headers["Accept"].Contains("application/json"))
{
viewresult.ContentType = "text/plain";
}
return(viewresult);
}
