public void SellAndBuyShares(int firstClientID, int secondClientID, ClientsSharesEntity shareType, int numberOfSoldShares)
{
if (numberOfSoldShares > shareType.Amount)
{
throw new ArgumentException($"Cannot sell {numberOfSoldShares} that more than client have {shareType.Amount}");
}
if (firstClientID == secondClientID)
{
throw new ArgumentException($"Cannot sell shares to yourself");
}
ClientsSharesInfo sharesInfo = new ClientsSharesInfo()
{
ClientID = shareType.ClientID,
ShareID = shareType.ShareID,
Amount = -numberOfSoldShares
};
clientsSharesService.ChangeClientsSharesAmount(sharesInfo);
sharesInfo.Amount *= -1;
sharesInfo.ClientID = secondClientID;
clientsSharesService.ChangeClientsSharesAmount(sharesInfo);
decimal shareCost = (decimal)shareService.GetAllShares().Where(x => x.ShareID == shareType.ShareID).Select(x => x.ShareCost).FirstOrDefault();
clientService.ChangeMoney(firstClientID, shareCost * numberOfSoldShares);
clientService.ChangeMoney(secondClientID, -(shareCost * numberOfSoldShares));
}
public void ClientsTrade()
{
string answer = "";
var clients = requestSender.GetTop10Clients(1, 10, out answer);
if (clients.Count() > 1)
{
var tradingClients = clients.OrderBy(x => Guid.NewGuid()).Take(2).ToList();
logger.WriteInfo($"Starting operation between {tradingClients[0].ClientID} and {tradingClients[1].ClientID}");
ClientsSharesEntity shareType = tradingClients[0].ClientsShares.Where(x => x.Amount > 0).OrderBy(x => Guid.NewGuid()).FirstOrDefault();
if (shareType == null)
{
logger.WriteWarn($"{tradingClients[0].ClientID} not have shares");
return;
}
int numberOfSoldShares = uniformRandomiser.Next(1, (int)shareType.Amount);
TransactionHistoryInfo transaction = new TransactionHistoryInfo()
{
BuyerClientID = tradingClients[1].ClientID,
SellerClientID = tradingClients[0].ClientID,
ShareID = shareType.ShareID,
Amount = numberOfSoldShares
};
requestSender.PostMakeDeal(transaction, out answer);
logger.WriteInfo($"Result: {answer}");
}
}
public HttpResponseMessage Post([FromBody] int[] id)
{
ClientsSharesEntity shareInfo = new ClientsSharesEntity()
{
ClientID = id[0],
ShareID = id[1]
};
shareService.RemoveShares(shareInfo);
return(Request.CreateResponse(HttpStatusCode.OK));
}
public void SellAndBuyShares(int firstClientID, int secondClientID, ClientsSharesEntity shareType, int numberOfSoldShares)
{
if (numberOfSoldShares > shareType.Amount)
{
throw new ArgumentException($"Cannot sell {numberOfSoldShares} that more than client have {shareType.Amount}");
}
if (firstClientID == secondClientID)
{
throw new ArgumentException($"Cannot sell shares to yourself");
}
ClientsSharesEntity sharesInfo = new ClientsSharesEntity()
{
ClientID = shareType.ClientID,
ShareID = shareType.ShareID,
Amount = shareType.Amount - numberOfSoldShares,
CostOfOneShare = shareType.CostOfOneShare
};
clientsSharesService.UpdateShares(sharesInfo);
sharesInfo.ClientID = firstClientID;
var secondClientShares = clientsSharesService.GetAllClientsShares().Where(x => x.ClientID == sharesInfo.ClientID && x.ShareID == sharesInfo.ShareID).FirstOrDefault();
if (secondClientShares == null)
{
ClientsSharesInfo clientsSharesInfo = new ClientsSharesInfo()
{
ClientID = sharesInfo.ClientID,
ShareID = sharesInfo.ShareID,
Amount = numberOfSoldShares
};
clientsSharesService.AddShares(clientsSharesInfo);
}
else
{
sharesInfo.Amount = secondClientShares.Amount + numberOfSoldShares;
clientsSharesService.UpdateShares(sharesInfo);
}
balanceService.ChangeMoney(firstClientID, shareType.CostOfOneShare * numberOfSoldShares);
balanceService.ChangeMoney(secondClientID, -(shareType.CostOfOneShare * numberOfSoldShares));
TransactionHistoryInfo operationHistoryInfo = new TransactionHistoryInfo()
{
BuyerClientID = firstClientID,
SellerClientID = secondClientID,
ShareID = shareType.ShareID,
Amount = numberOfSoldShares,
SumOfOperation = shareType.CostOfOneShare * numberOfSoldShares,
DateTime = DateTime.Now
};
operationHistoryService.Add(operationHistoryInfo);
}
public void RemoveShares(ClientsSharesEntity clientsSharesInfo)
{
var clientSharesToRemove = clientsSharesRepository.LoadClientsSharesByID(clientsSharesInfo);
if (clientSharesToRemove == null)
{
return;
}
clientsSharesRepository.Remove(clientSharesToRemove);
clientsSharesRepository.SaveChanges();
}
public async Task <IHttpActionResult> Post(ClientsSharesEntity share)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
ClientsSharesInfo sharesInfo = new ClientsSharesInfo()
{
Amount = share.Amount, ClientID = share.ClientID, CostOfOneShare = share.CostOfOneShare, ShareID = share.ShareID
};
shareService.AddShares(sharesInfo);
return(Created(share));
}
public void ClientsTrade()
{
var clients = clientService.GetAllClients();
if (validator.ValidateClientList(clients, logger))
{
var tradingClients = clients.OrderBy(x => Guid.NewGuid()).Take(2).ToList();
if (validator.ValidateTradingClient(tradingClients[0], logger))
{
logger.WriteInfo($"Starting operation between {tradingClients[0].ClientID} and {tradingClients[1].ClientID}");
ClientsSharesEntity shareType = tradingClients[0].ClientsShares.Where(x => x.Amount > 0).OrderBy(x => Guid.NewGuid()).First();
int numberOfSoldShares = uniformRandomiser.Next(1, (int)shareType.Amount);
tradingOperationService.SellAndBuyShares(tradingClients[0].ClientID, tradingClients[1].ClientID, shareType, numberOfSoldShares);
logger.WriteInfo($"Client {tradingClients[0].ClientID} sold {numberOfSoldShares} shares of {shareType.ShareID} to {tradingClients[1].ClientID}");
logger.WriteInfo($"Operation successfully ended");
}
}
}
public string Run(string[] splittedUserInpit, RequestSender requestSender)
{
string answer = "";
if (splittedUserInpit.Length < 5)
{
return("Not enough parameters");
}
int clientID;
if (!int.TryParse(splittedUserInpit[1], out clientID))
{
return("Cannot parse ID");
}
int shareID;
if (!int.TryParse(splittedUserInpit[2], out shareID))
{
return("Cannot parse ID");
}
decimal cost;
if (!decimal.TryParse(splittedUserInpit[3], out cost))
{
return("Cannot parse cost");
}
int amount;
if (!int.TryParse(splittedUserInpit[4], out amount))
{
return("Cannot parse amount");
}
var share = new ClientsSharesEntity()
{
ClientID = clientID,
ShareID = shareID,
CostOfOneShare = cost,
Amount = amount
};
requestSender.PostUpdateShare(share, out answer);
return(answer);
}
public void AddShares(ClientsSharesInfo clientsSharesInfo)
{
if (validator.ValidateShareToClient(clientsSharesInfo))
{
var clientsShares = new ClientsSharesEntity()
{
ClientID = clientsSharesInfo.ClientID,
ShareID = clientsSharesInfo.ShareID,
Amount = clientsSharesInfo.Amount,
CostOfOneShare = clientsSharesInfo.CostOfOneShare
};
var clientSharesToAdd = clientsSharesRepository.LoadClientsSharesByID(clientsShares);
if (clientSharesToAdd != null)
{
return;
}
clientsSharesRepository.Add(clientsShares);
clientsSharesRepository.SaveChanges();
}
}
public void ShouldNotBuyAndSellSharesMoreThanHave()
{
//Arrange
TradingOperationService operationService = new TradingOperationService(
clientService, shareService, clientsSharesService);
int firstClientID = 1;
int secondClientID = 2;
ClientsSharesEntity clientsShares = new ClientsSharesEntity()
{
ClientID = 1,
ShareID = 1,
Amount = 10
};
int numberOfSoldShares = 100;
//Act
operationService.SellAndBuyShares(firstClientID, secondClientID, clientsShares, numberOfSoldShares);
//Assert
clientsSharesService.DidNotReceive().ChangeClientsSharesAmount(Arg.Any <ClientsSharesInfo>());
clientService.DidNotReceive().ChangeMoney(Arg.Any <int>(), Arg.Any <decimal>());
}
public int ChangeClientsSharesAmount(ClientsSharesInfo clientsSharesInfo)
{
var clientSharesToChange = clientsSharesRepository.LoadClientsSharesByID(clientsSharesInfo);
if (clientSharesToChange != null)
{
clientSharesToChange.Amount += clientsSharesInfo.Amount;
}
else
{
clientSharesToChange = new ClientsSharesEntity()
{
ShareID = clientsSharesInfo.ShareID,
ClientID = clientsSharesInfo.ClientID,
Amount = clientsSharesInfo.Amount,
};
clientsSharesRepository.Add(clientSharesToChange);
}
clientsSharesRepository.SaveChanges();
return((int)clientSharesToChange.Amount);
}
public void PostUpdateShare(ClientsSharesEntity shareInfo, out string answer)
{
string request = "shares/update";
PostCommand(request, shareInfo, out answer);
}
public ClientsSharesEntity LoadClientsSharesByID(ClientsSharesEntity clientsShares)
{
return(dbContext.ClientsShares.Where(x => x.ClientID == clientsShares.ClientID && x.ShareID == clientsShares.ShareID).FirstOrDefault());
}
public HttpResponseMessage Post([FromBody] ClientsSharesEntity share)
{
shareService.UpdateShares(share);
return(Request.CreateResponse(HttpStatusCode.OK));
}
public void Add(ClientsSharesEntity clientsShares)
{
dbContext.ClientsShares.Add(clientsShares);
}
public void UpdateShares(ClientsSharesEntity clientsSharesInfo)
{
clientsSharesRepository.Update(clientsSharesInfo);
clientsSharesRepository.SaveChanges();
}
public void Remove(ClientsSharesEntity clientsShares)
{
dbContext.ClientsShares.Remove(LoadClientsSharesByID(clientsShares));
}
public void Update(ClientsSharesEntity clientsShares)
{
var shareOld = LoadClientsSharesByID(clientsShares);
dbContext.Entry(shareOld).CurrentValues.SetValues(clientsShares);
}