protected async Task <IActionResult> PatchAsync(string id, JsonPatchDocument <TContract> document)
{
var item = await AdminStore.GetAsync(id);
if (item == null)
{
return(NotFound());
}
var contract = AdminMapper.Map <TContract>(item);
document.ApplyTo(contract);
AdminMapper.Map(contract, item);
await AdminStore.SaveAsync(item);
return(Ok(item));
}