/// <summary>
/// gets updated, live information about the supported currencies
/// </summary>
/// <returns>live information about the currencies</returns>
public async Task <LiveCurrencyEntity> GetLiveCurrencyAsync()
{
string url = @"http://apilayer.net/api/live?access_key=" + GetKey() + "¤cies=EUR,GBP,ILS,BTC,JMD&format=1";
LiveCurrencyEntity entity = new LiveCurrencyEntity();
using (var wc = new WebClient()) {
var jsonData = string.Empty;
for (int i = 0; i < 4; i++) //try 4 times
{
try {
jsonData = await wc.DownloadStringTaskAsync(url);
entity = JsonConvert.DeserializeObject <LiveCurrencyEntity>(jsonData);
if (jsonData.Contains("success\":true"))
{
break;
}
}
catch (Exception) {
throw new Exception("problem getting live information...");
}
}
}
return(entity);
}
/// <summary>
/// gets updated current values of all the currency types
/// </summary>
/// <returns>an updated list of all the currency values</returns>
public async Task <List <CurrencyFields> > GetLiveListAsync()
{
LiveCurrencyEntity res = await new Dal().GetLiveCurrencyAsync();
return(await Task.Factory.StartNew(
() => (
from cur in Enum.GetNames(typeof(CurrencyType))
select new CurrencyFields {
Code = cur, Value = 1 / res.GetValue(cur)
}).ToList()
));
}
