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);
}
}
}
public IHttpActionResult UserBuyDeal([FromBody] BuyDealModel buyDealModel)
{
return(Json(new DealService().BuyDeal(buyDealModel)));
}