public async Task <IActionResult> Delete(string id)
{
var ids = id.Split(',', StringSplitOptions.RemoveEmptyEntries).ToArray();
var result = await _devices.DeleteOneAsync(a => ids.Contains(a.Id));
if (result.DeletedCount == 0)
{
return(NotFound());
}
return(Ok(new { Deleted = result.DeletedCount }));
}