public bool Create(CryptocurrencyWallet item)
{
try
{
using var context = new OlavCryptoContext();
context.WalletList.Attach(item.Wallet);
context.CryptocurrencyList.Attach(item.Cryptocurrency);
context.CryptocurrencyWalletList.Add(item);
context.SaveChanges();
var newItem = new CryptocurrencyDetails {
CryptocurrencyWallet = item
};
context.CryptocurrencyWalletList.Attach(newItem.CryptocurrencyWallet);
context.CryptocurrencyDetailsList.Add(newItem);
context.SaveChanges();
return(true);
}
catch (Exception)
{
return(false);
}
}
public bool Delete(int id)
{
try
{
using var context = new OlavCryptoContext();
context.CryptocurrencyList.Remove(context.CryptocurrencyList.Find(id));
context.SaveChanges();
return(true);
}
catch (Exception)
{
return(false);
}
}
public bool Update(Cryptocurrency item)
{
try
{
using var context = new OlavCryptoContext();
context.CryptocurrencyList.Attach(item);
context.Entry(item).State = EntityState.Modified;
context.SaveChanges();
return(true);
}
catch (Exception)
{
return(false);
}
}