Beispiel #1
0
        public bool BuyDeal(BuyDealModel buyDealModel)
        {
            using (CovidCoinContext covidCoinEntities = new CovidCoinContext())
            {
                var dealBought = covidCoinEntities.UserDeals.Where(x => x.userId == buyDealModel.userId && x.dealId == buyDealModel.userId && x.dealType.Equals("buy") && x.isActive == true).FirstOrDefault();
                if (dealBought != null)
                {
                    return(false);
                }
                else
                {
                    var user = covidCoinEntities.Users.Where(x => x.Id == buyDealModel.userId && x.IsActive == true).FirstOrDefault();
                    user.LeverageBalance = user.LeverageBalance - buyDealModel.dealPrice * buyDealModel.dealShares;
                    covidCoinEntities.Entry(user).State = EntityState.Modified;

                    UserDeal deal = new UserDeal();
                    deal.dealId     = buyDealModel.dealId;
                    deal.userId     = buyDealModel.userId;
                    deal.dealShares = buyDealModel.dealShares;
                    deal.dealPrice  = buyDealModel.dealPrice;
                    deal.dealType   = "buy";
                    deal.isActive   = true;
                    deal.createdAt  = DateTime.Now;

                    covidCoinEntities.UserDeals.Add(deal);
                    covidCoinEntities.SaveChanges();
                    return(true);
                }
            }
        }
Beispiel #2
0
 public IHttpActionResult UserBuyDeal([FromBody] BuyDealModel buyDealModel)
 {
     return(Json(new DealService().BuyDeal(buyDealModel)));
 }