public Stream GetStreamAsync(
MediaBlobData request)
{
var filename = GetFilename(request);
return(new FileStream(filename, FileMode.Open));
}
public Task MoveAsync(
MediaBlobData request,
string newLocation,
CancellationToken cancellationToken)
{
var filename = GetFilename(request);
var newPathFragments = new List <string> {
_options.RootDirectory
};
newPathFragments.AddRange(newLocation.Split('/'));
var newDir = Path.Combine(newPathFragments.ToArray());
if (!Directory.Exists(newDir))
{
Directory.CreateDirectory(newDir);
}
var newFilename = Path.Combine(newDir, Path.GetFileName(filename));
File.Move(filename, newFilename, true);
return(Task.CompletedTask);
}
public async Task <IActionResult> GetImageAsync(Guid id, CancellationToken cancellationToken)
{
Media media = await _mediaService.GetByIdAsync(id, cancellationToken);
MediaBlobData data = await _mediaService.GetMediaData(media, cancellationToken);
return(new FileContentResult(data.Data, "image/jpg"));
}
public async Task <MediaBlobData> GetMediaData(Media media, CancellationToken cancellationToken)
{
MediaBlobData blob = await _mediaBlobStore.GetAsync(
media.ToBlobDataRequest(),
cancellationToken);
return(blob);
}
public async Task <MediaStream> GetVideoAsync(Guid id, CancellationToken cancellationToken)
{
Media?video = await _mediaStore.GetByIdAsync(id, cancellationToken);
MediaBlobData request = _mediaService.GetBlobRequest(
video,
MediaFileType.Video720);
Stream stream = _mediaStore.Blob.GetStreamAsync(request);
return(new MediaStream(stream, video.Filename.Split('.').Last()));
}
public MediaStream GetVideoPreview(Guid id, CancellationToken cancellationToken)
{
MediaBlobData request = _mediaService.GetBlobRequest(
new Media {
Id = id
},
MediaFileType.VideoGif);
Stream stream = _mediaStore.Blob.GetStreamAsync(request);
return(new MediaStream(stream, "image/gif"));
}
public async Task StoreAsync(MediaBlobData data, CancellationToken cancellationToken)
{
var filename = GetFilename(data);
var file = new FileInfo(filename);
if (!file.Directory !.Exists)
{
Directory.CreateDirectory(file.Directory.FullName);
}
await File.WriteAllBytesAsync(filename, data.Data, cancellationToken);
}
public async Task <MediaBlobData> GetAsync(
MediaBlobData request,
CancellationToken cancellationToken)
{
var filename = GetFilename(request);
byte[] data = await File.ReadAllBytesAsync(filename, cancellationToken);
return(request with {
Data = data
});
}
public async Task <IActionResult> WebImageAsync(Guid id, CancellationToken cancellationToken)
{
MediaBlobData data = await _mediaBlobStore.GetAsync(
new MediaBlobData
{
Type = MediaBlobType.Web,
Filename = id.ToString("N") + ".webp"
},
cancellationToken);
return(new FileContentResult(data.Data, "image/webp")
{
EnableRangeProcessing = true
});
}
public Task <bool> DeleteAsync(
MediaBlobData request,
CancellationToken cancellationToken)
{
var filename = GetFilename(request);
if (File.Exists(filename))
{
File.Delete(filename);
Log.Information("Delete {File}", filename);
return(Task.FromResult(true));
}
return(Task.FromResult(false));
}
private string GetDirectory(MediaBlobData data)
{
var loc = _options.BlobTypeMap[data.Type];
var paths = new List <string>
{
_options.RootDirectory
};
paths.AddRange(loc.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries));
if (data.Directory != null)
{
paths.AddRange(data.Directory.Split(
new[] { '/' },
StringSplitOptions.RemoveEmptyEntries));
}
return(Path.Combine(paths.ToArray()));
}
public Task MoveToSpecialFolderAsync(
MediaBlobData request,
MediaBlobType mediaBlobType,
CancellationToken cancellationToken)
{
var filname = GetFilename(request);
var newDir = GetDirectory(new MediaBlobData
{
Type = mediaBlobType
});
if (!Directory.Exists(newDir))
{
Directory.CreateDirectory(newDir);
}
var newFilename = Path.Combine(newDir, Path.GetFileName(filname));
File.Move(filname, newFilename, true);
return(Task.CompletedTask);
}
public string GetFilename(MediaBlobData data)
{
string?directory = GetDirectory(data);
return(Path.Combine(directory, data.Filename));
}
