public void AddTag(string resourceID, string tag)
{
UserRepository ur = new UserRepository();
string username = User.Identity.Name;
User user = ur.Get(username);
Repository.ResourceRepository repository = new Repository.ResourceRepository();
TagRepository tagRepository = new TagRepository();
DigitalResource resource = repository.Get(resourceID, user);
ResourceModel.Tag tagToAdd = tagRepository.GetOrAdd(tag);
resource.AddTag(tagToAdd);
}
public async Task <HttpResponseMessage> Get(string id)
{
bool isPartial = false;
UserRepository ur = new UserRepository();
string username = User.Identity.Name;
User user = ur.Get(username);
Repository.ResourceRepository repository = new Repository.ResourceRepository();
DigitalResource resource = repository.Get(id, user);
//await stream.CopyToAsync(stream2,);
// Create a client
AmazonS3Client client = new AmazonS3Client();
long from = 0;
long to = 0;
GetObjectRequest request = null;
if (Request.Headers.Range != null)
{
isPartial = true;
//If the last-byte-pos value is absent, or if the value is greater than or equal to the current length of the entity-body,
//last -byte-pos is taken to be equal to one less than the current length of the entity- body in bytes.
//*-The final 500 bytes(byte offsets 9500 - 9999, inclusive):
// bytes = -500
// - Or bytes = 9500 -
if (Request.Headers.Range.Ranges.First().From == null)
{
from = (resource.Size - 1) - (long)Request.Headers.Range.Ranges.First().To;
}
else //From byte is specified
{
from = (long)Request.Headers.Range.Ranges.First().From;
}
to = resource.Size - 1;
if (Request.Headers.Range.Ranges.First().To != null)
{
to = (long)Request.Headers.Range.Ranges.First().To;
}
else//Chrome often sends out a 0- request. Instead of passing back a massive file, just pass back the first 500 bytes
{
if (from == 0)
{
to = 499;
}
}
request = new GetObjectRequest
{
BucketName = "piccoli",
Key = id,
ByteRange = new ByteRange(from, to)
};
}
else
{
request = new GetObjectRequest
{
BucketName = "piccoli",
Key = id
};
}
// Issue request and remember to dispose of the response
//using
GetObjectResponse response = client.GetObject(request);
HttpStatusCode status = isPartial ? HttpStatusCode.PartialContent : HttpStatusCode.OK;
HttpResponseMessage result = new HttpResponseMessage(status);
result.Content = new StreamContent(response.ResponseStream);
string contentType = response.Headers["Content-Type"];
result.Content.Headers.ContentLength = resource.Size;
if (isPartial)
{
result.Content.Headers.ContentLength = to - from + 1;//resource.Size;
result.Content.Headers.ContentRange = new ContentRangeHeaderValue(from, to, resource.Size);
}
result.Content.Headers.ContentType =
new MediaTypeHeaderValue(contentType);//contentType);
return(result);
}
public HttpResponseMessage GetThumbnailRepresentation(string id)
{
UserRepository ur = new UserRepository();
string username = User.Identity.Name;
User user = ur.Get(username);
int thumbnailHeight = 120;
Repository.ResourceRepository repository = new Repository.ResourceRepository();
DigitalResource resource = repository.Get(id, user);
string mimeType = String.Empty;
if (resource.OriginalFileName.IndexOf(".") > 0)
{
string extension = resource.OriginalFileName.Substring(resource.OriginalFileName.LastIndexOf(".") + 1);
mimeType = MimeTypeHelper.GetMimeType(resource.OriginalFileName.Substring(resource.OriginalFileName.LastIndexOf(".") + 1));
}
//await stream.CopyToAsync(stream2,);
// Create a client
AmazonS3Client client = new AmazonS3Client();
GetObjectRequest request = null;
request = new GetObjectRequest
{
BucketName = "piccoli",
Key = id
};
// Issue request and remember to dispose of the response
//using
GetObjectResponse response = client.GetObject(request);
HttpResponseMessage result = new HttpResponseMessage(HttpStatusCode.OK);
if (mimeType.Contains("image"))
{
Image myImage = Image.FromStream(response.ResponseStream);
float multiplicationRatio = (float)thumbnailHeight / (float)myImage.Height;
int thumbnailWidth = (int)(multiplicationRatio * myImage.Width);
Bitmap bmp = ResizeImage(myImage, thumbnailWidth, thumbnailHeight);
MemoryStream memoryStream = new MemoryStream();
bmp.Save(memoryStream, System.Drawing.Imaging.ImageFormat.Jpeg);
memoryStream.Position = 0;
result.Content = new StreamContent(memoryStream);
result.Content.Headers.ContentType =
new MediaTypeHeaderValue("application/octet-stream");
}
//else if (mimeType.Contains("video"))
//{
// VideoFileReader reader = new VideoFileReader();
// reader.
// Bitmap bmp = reader.ReadVideoFrame();
// MemoryStream memoryStream = new MemoryStream();
// bmp.Save(memoryStream, System.Drawing.Imaging.ImageFormat.Jpeg);
// memoryStream.Position = 0;
// result.Content = new StreamContent(memoryStream);
// result.Content.Headers.ContentType =
// new MediaTypeHeaderValue("application/octet-stream");
//}
else
{
MemoryStream memoryStream = TextToImage(200, 120, "Non image resource");
result.Content = new StreamContent(memoryStream);
result.Content.Headers.ContentType =
new MediaTypeHeaderValue("application/octet-stream");
}
return(result);
}
