public async Task <WalletDTO> ActivateWallet(int walletId)
{
Wallet wallet = await _unitOfWork.WalletRepository.GetById(walletId);
if (wallet == null)
{
throw new ArgumentException($"Wallet with {walletId} doesn't exist");
}
wallet.Activate();
await _unitOfWork.WalletRepository.Update(wallet);
await _unitOfWork.SaveChangesAsync();
return(new WalletDTO(wallet));
}
public void DemeterMethod(Wallet w)
{
// According to Law of Demeter a method M of object O can call:
// 1. Methods of Object O itself
decimal amount = GetWalletAmount();
// 2. Methods of Object passed as argument
bool active = w.IsActivated();
// 3. Methods of object, which is held in instance variable
Wallet.Activate();
// 4. Methods of any Object which is created locally in method M
Wallet myWallet = new Wallet();
myWallet.Activate();
}