public virtual async Task SaveAsync(Blob blob)
{
var path = File(blob);
if (path == null)
{
throw new InvalidOperationException("This blob is not linked to any entity.");
}
var fileDataToSave = await blob.GetFileDataAsync(); // Because file data will be lost in delete.
if (path.Exists())
{
using (await GetAsyncLock(path.FullName).Lock())
{
var data = await path.ReadAllBytesAsync();
if (data == null)
{
await DeleteAsync(blob);
}
else if (data.SequenceEqual(await blob.GetFileDataAsync()))
{
return; // Nothing changed.
}
else
{
await DeleteAsync(blob);
}
}
}
using (await GetAsyncLock(path.FullName).Lock())
await path.WriteAllBytesAsync(fileDataToSave);
}
public virtual async Task SaveAsync(Blob blob)
{
var path = File(blob);
if (path == null)
{
throw new InvalidOperationException("This blob is not linked to any entity.");
}
var fileDataToSave = await blob.GetFileDataAsync(); // Because file data will be lost in delete.
await DeleteAsync(blob);
await path.WriteAllBytesAsync(fileDataToSave);
}
