internal MediaMoverContext(IMediaSender source, IMediaReceiver target)
{
Guard.NotNull(source, nameof(source));
Guard.NotNull(target, nameof(target));
Source = source;
Target = target;
}
public async Task MoveToAsync(IMediaReceiver target, MediaMoverContext context, MediaFile mediaFile)
{
Guard.NotNull(target, nameof(target));
Guard.NotNull(context, nameof(context));
Guard.NotNull(mediaFile, nameof(mediaFile));
var filePath = GetPath(mediaFile);
try
{
// Let target store data (into database for example)
await target.ReceiveAsync(context, mediaFile, await OpenReadAsync(mediaFile));
// Remember file path: we must be able to rollback IO operations on transaction failure
context.AffectedFiles.Add(filePath);
}
catch (Exception ex)
{
Logger.Debug(ex);
}
}
public async Task MoveToAsync(IMediaReceiver target, MediaMoverContext context, MediaFile mediaFile)
{
Guard.NotNull(target, nameof(target));
Guard.NotNull(context, nameof(context));
Guard.NotNull(mediaFile, nameof(mediaFile));
if (mediaFile.MediaStorageId != null)
{
// Let target store data (into a file for example)
await target.ReceiveAsync(context, mediaFile, await OpenReadAsync(mediaFile));
// Remove blob from DB
try
{
mediaFile.MediaStorageId = null;
mediaFile.MediaStorage = null;
// Remove with stub entity
_db.MediaStorage.Remove(new MediaStorage {
Id = mediaFile.MediaStorageId.Value
});
}
catch { }
}
}
