private static void CreateOrUpdateCustomerShareBalance(Context context, UserInfo customerInfo, ShareBalance newShareBalance, ShareBalance customerShareBalance)
{
if (customerShareBalance == null)
{
customerShareBalance = new ShareBalance
{
AccountId = customerInfo.Id,
Amount = newShareBalance.Amount,
ShareId = newShareBalance.ShareId,
Type = customerInfo.Type
};
context.ShareBalances.Add(customerShareBalance);
}
else
{
customerShareBalance.Amount += newShareBalance.Amount;
context.ShareBalances.Update(customerShareBalance);
}
}
private static void CreateOrUpdateSellerCurrencyBalance(
Context context, UserInfo sellerInfo, ShareBalance newShareBalance, CurrencyBalance sellerCurrencyBalance, decimal cost)
{
if (sellerCurrencyBalance == null)
{
sellerCurrencyBalance = new CurrencyBalance
{
AccountId = sellerInfo.Id,
Amount = cost,
CurrencyId = newShareBalance.Share.CurrencyId,
Type = sellerInfo.Type
};
context.CurrencyBalances.Add(sellerCurrencyBalance);
}
else
{
sellerCurrencyBalance.Amount += cost;
context.CurrencyBalances.Update(sellerCurrencyBalance);
}
}
public static async Task <bool> ShareOperation(this Context context, UserInfo customerInfo, UserInfo sellerInfo, ShareBalance newShareBalance)
{
var share = context.Shares
.Include(q => q.Company)
.Where(q => q.Id == newShareBalance.ShareId)
.FirstOrDefault();
newShareBalance.Share = share;
var customerCurrencyBalance = context.CurrencyBalances
.Where(q => q.AccountId == customerInfo.Id && q.Currency.Id == share.CurrencyId && q.Type == customerInfo.Type)
.FirstOrDefault();
var customerShareBalance = context.ShareBalances
.Where(q => q.AccountId == customerInfo.Id && q.ShareId == newShareBalance.ShareId && q.Type == customerInfo.Type)
.FirstOrDefault();
var sellerCurrencyBalance = context.CurrencyBalances
.Where(q => q.AccountId == sellerInfo.Id && q.Currency.Id == share.CurrencyId && q.Type == sellerInfo.Type)
.FirstOrDefault();
var sellerShareBalance = context.ShareBalances
.Where(q => q.AccountId == sellerInfo.Id && q.Share.Id == share.Id && q.Type == sellerInfo.Type)
.FirstOrDefault();
var cost = share.FinalCost * newShareBalance.Amount;
if (customerCurrencyBalance != null &&
cost <= customerCurrencyBalance.Amount &&
sellerShareBalance.Amount >= newShareBalance.Amount)
{
customerCurrencyBalance.Amount -= cost;
CreateOrUpdateSellerCurrencyBalance(context, sellerInfo, newShareBalance, sellerCurrencyBalance, cost);
sellerShareBalance.Amount -= newShareBalance.Amount;
CreateOrUpdateCustomerShareBalance(context, customerInfo, newShareBalance, customerShareBalance);
await context.SaveChangesAsync();
return(true);
}
return(false);
}
