public async Task <FileHeader> Execute(IAsyncFilesSession session)
{
var commands = session.Commands;
bool delete = true;
FileHeader fileHeader = null;
if (!sessionOperations.TryGetFromCache(FileName, out fileHeader))
{
fileHeader = await session.LoadFileAsync(FileName).ConfigureAwait(false);
}
foreach (var deleteListener in sessionOperations.Listeners.DeleteListeners)
{
if (!deleteListener.BeforeDelete(fileHeader))
{
delete = false;
}
}
if (delete)
{
await commands.DeleteAsync(FileName, Etag)
.ConfigureAwait(false);
sessionOperations.RegisterMissing(FileName);
foreach (var deleteListener in sessionOperations.Listeners.DeleteListeners)
{
deleteListener.AfterDelete(FileName);
}
}
return(null);
}