public override LoanProposal Handle(LoanProposal request)
{
Console.WriteLine("\nGetting client personal information.");
var clientId = request.ClientId;
var repo = new ClientRepository();
var clientPersonalInfo = repo.Find(x => x.Id == clientId).FirstOrDefault();
request.ClientPersonalInfo = clientPersonalInfo;
return(base.Handle(request));
}
public override LoanProposal Handle(LoanProposal request)
{
Console.WriteLine("\nCreating loan proposal file.\n");
var filePath = CreatesFilePath();
using (StreamWriter outputFile = new StreamWriter(filePath, false))
{
var serializedRequest = JsonConvert.SerializeObject(request, new StringEnumConverter());
outputFile.Write(serializedRequest);
}
return(base.Handle(request));
}
public override LoanProposal Handle(LoanProposal request)
{
Console.WriteLine("\nValidating bank account balance.");
var clientId = request;
var repo = new BankAccountRepository();
var bankAccount = repo.Find(x => x.ClientId == request.ClientId).FirstOrDefault();
if (bankAccount.Balance < request.Amount * 0.5m)
{
throw new Exception($"The client bank account must have at least 50% of the required loan amount.");
}
return(base.Handle(request));
}
public override LoanProposal Handle(LoanProposal request)
{
Console.WriteLine("\nGetting credit risk rate.");
var creditRisk = request.ClientPersonalInfo.CreditRisk;
var foundCreditRisk = _loanRates.TryGetValue(creditRisk, out var rate);
if (!foundCreditRisk)
{
throw new Exception($"No loan rate found to credit risk {creditRisk.ToString()}");
}
request.Rate = rate;
return(base.Handle(request));
}
public void ProposeLoanShowsUp()
{
BoardState state = DataTest.SampleGame;
ProposeLoanAction loan = new ProposeLoanAction {
PlayerId = 0, LoanAmount = 123m, PayBack = 124m, Period = state.Settings.YearLength
};
state = Tick.Apply(state, new List <GameAction> {
loan
});
LoanProposal prop = state.Proposals.First(l => l.LoanAmount == 123m);
Assert.AreEqual(0, prop.PlayerId);
Assert.AreEqual(123m, prop.LoanAmount);
Assert.AreEqual(124m, prop.PayBack);
Assert.AreEqual(state.Settings.YearLength, prop.Period);
}
public override BoardState Apply(BoardState state, WithdrawProposalAction action)
{
try
{
Console.WriteLine(" -> Player {0} withdrawing a loan proposal", action.PlayerId);
LoanProposal proposal = state.Proposals[action.ProposalId];
if (proposal.PlayerId == action.PlayerId)
{
state.Proposals.RemoveAt(action.ProposalId);
}
return(state);
}
catch
{
return(state);
}
}
static void Main(string[] args)
{
Console.WriteLine("Chain of Responsibility");
Console.WriteLine("Loan Proposal Example");
var handler = new ClientInfoHandler();
var clientCreditRiskHandler = new ClientCreditRiskHandler();
var bankAccountHandler = new BankAccountHandler();
var sendProposalHandler = new SendProposalHandler();
handler.SetNext(clientCreditRiskHandler).SetNext(bankAccountHandler).SetNext(sendProposalHandler);
var loanProposal = new LoanProposal(new Guid("406acba3-4b4c-4879-b13c-1a019f0c27f1"), 1500);
var sentLoanProposal = handler.Handle(loanProposal);
Console.WriteLine(sentLoanProposal);
}
public override BoardState Apply(BoardState state, TakeLoanAction action)
{
if (state.State == GameState.Started)
{
Console.WriteLine(" -> Player {0} taking a loan", action.PlayerId);
if (action.LoanProposalId < state.Proposals.Count)
{
LoanProposal propose = state.Proposals[action.LoanProposalId];
if (propose.PlayerId != action.PlayerId)
{
Player to = state.Players[action.PlayerId];
to.Cash += propose.LoanAmount;
state.Players[action.PlayerId] = to;
if (propose.PlayerId > -1)
{
Player from = state.Players[propose.PlayerId];
from.Cash -= propose.LoanAmount;
state.Players[propose.PlayerId] = from;
}
state.Loans.Add(new Loan
{
Amount = propose.LoanAmount,
Period = propose.Period,
Payment = propose.PayBack,
LenderId = propose.PlayerId,
BorrowerId = action.PlayerId,
Start = DateTime.Now
});
}
}
}
return(state);
}
