public Money Exchange(Money pieniadz, Waluta wal)
{
Money a = new Money(pieniadz.Value, pieniadz.NameOfCurrency);
a.ChengeCurrency(wal);
return(a);
}
private double Find(Waluta Name)
{
foreach (Currency a in ListOfCurrency)
{
if (a.Name == Name)
{
return(a.ExchangeInTheRelationToPLN);
}
}
return(-1.0f);
}
public void ChengeCurrency(Waluta curr)
{
try
{
Value = GetValueIn(curr);
NameOfCurrency = curr;
}
catch (Exception e)
{
throw e;
}
}
public Money(float val, Waluta waluta)
{
NameOfCurrency = waluta;
if (val < 0.0f)
{
throw new Exception("Zła wartość.\n");
}
else
{
Value = val;
Curr = Currencies.GetInstance();
}
}
public double Swap(Waluta from, Waluta to)
{
double przelicznik = 0.0f;
double xfrom = Find(from);
double xto = Find(to);
if (xfrom == -1.0f || xto == -1.0f)
{
throw new Exception("Nie ma informacji to tych walutach.\n");
}
przelicznik = xfrom / xto;
return(przelicznik);
}
public double GetCourse(Waluta name)
{
double pomocnicza = Find(name);
if (pomocnicza == -1.0f)
{
throw new Exception("Nie znaleziono waluty.\n");
}
else
{
return(pomocnicza);
}
}
public float GetValueIn(Waluta waluta)
{
if (waluta == NameOfCurrency)
{
return(Value);
}
else
{
try
{
return((float)(Curr.Swap(NameOfCurrency, waluta)) * Value);
}
catch (Exception e)
{
throw e;
}
}
}
public Price(float val, Waluta waluta, float vat)
{
try
{
this.NetPrice = new Money(val, waluta);
}
catch (Exception e)
{
throw e;
}
if (vat >= 0.0f && vat < 1.0f)
{
VAT = vat;
}
else
{
VAT = 0.0f;
throw new Exception("Zła wartośc VAT, ustawiono na 0%");
}
}
public static async Task <double> KursEuro()
{
string BaseAddress = "http://api.nbp.pl/api/exchangerates/rates/a/eur/?format=json";
using (HttpClient client = new HttpClient())
{
using (HttpResponseMessage res = await client.GetAsync(BaseAddress))
{
using (HttpContent content = res.Content)
{
string data = await content.ReadAsStringAsync();
var dataObj = JObject.Parse(data);
Waluta waluta = new Waluta(kurs: $"{dataObj["rates"]}");
string JsonString = waluta.Kurs.ToString();
JsonString = JsonString.TrimStart(new char[] { '[' }).TrimEnd(new char[] { ']' });
var dataObj2 = JObject.Parse(JsonString);
Waluta waluta2 = new Waluta(kurs: $"{dataObj2["mid"]}");
double wartosc = Convert.ToDouble(waluta2.Kurs);
return(wartosc);
}
}
}
}
public void ChangeCurrency(Waluta nowa)
{
Money a = new Money(NetPrice.GetValueIn(nowa), nowa);
NetPrice = a;
}
public void ChangeCurrency(Waluta a)
{
PriceOfProduct.ChangeCurrency(a);
}
private void Waluta_SelectedIndexChanged(object sender, EventArgs e)
{
WalutaA = Waluta.GetItemText(Waluta.SelectedItem);
}
