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 HttpResponseMessage Post([FromBody] ClientsSharesEntity share)
{
shareService.UpdateShares(share);
return(Request.CreateResponse(HttpStatusCode.OK));
}