public bool ReturnCoinBudget(decimal value)
{
bool result = false;
CoinBudget cbResult = _appDbContext.CoinBudgets.First(cb => cb.Value == value);
if (cbResult != null && cbResult.Amount > 0)
{
cbResult.Amount--;
result = true;
_appDbContext.SaveChanges();
}
return(result);
}
public void AddCoinBudgets(IEnumerable <CoinBudget> coins)
{
foreach (CoinBudget coin in coins)
{
CoinBudget existingCB = _appDbContext.CoinBudgets.First <CoinBudget>(cb => cb.Value == coin.Value);
if (existingCB == null)
{
_appDbContext.CoinBudgets.Add(new CoinBudget()
{
Value = coin.Value, Amount = 1
});
}
else
{
existingCB.Amount += coin.Amount;
}
}
_appDbContext.SaveChanges();
}