public float calculate(Transaction trans)
{
County curr = LoadJson(trans.county);
if (curr != null)
{
return(trans.cost * curr.tax / 100);
}
else
{
return(-1);
}
}
private County LoadJson(string county)
{
string dir = AppDomain.CurrentDomain.BaseDirectory + "\\Data\\ncTax.json";
using (StreamReader r = new StreamReader(dir))
{
County retCounty = null;
string json = r.ReadToEnd();
JavaScriptSerializer js = new JavaScriptSerializer();
County[] array = js.Deserialize <County[]>(json);
foreach (var x in array)
{
if (string.Equals(x.name, county, StringComparison.OrdinalIgnoreCase))
{
retCounty = x;
}
}
return(retCounty);
}
}
