public async Task <List <string> > GetCurrenciesListAsync()
{
List <string> currenciesList = new List <string>();
Dictionary <string, string> currenciesDictionary = new Dictionary <string, string>();
//If app.config is set to utilize internal API it get the list of avilables currencies from one of its endpoints.
if (_apiHelper.UseLocalApi)
{
currenciesDictionary = await _apiHelper.GetCurrenciesListFromApiAsync();
}
else
{
//Else it get it from a json File, since the public API https://api.exchangeratesapi.io doesnt hava such endpoint.
currenciesDictionary = await _currenciesListFromFile.GetCurrenciesListAsync();
}
foreach (KeyValuePair <string, string> x in currenciesDictionary.OrderBy(x => x.Value))
{
currenciesList.Add($"{x.Value} ({x.Key})");
}
return(currenciesList);
}
