/// <summary>
/// Build URL with parameters.
/// </summary>
/// <param name="apiKey"></param>
/// <param name="function"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public static string ComposeUrl(
string apiKey,
ApiFunctions function,
IDictionary<ApiParameters, string> parameters = null
)
{
if (string.IsNullOrEmpty(apiKey))
{
throw new ArgumentNullException(AvResources.ApiKeyIsNullException);
}
if (function == ApiFunctions.Unknown)
{
throw new ArgumentException(AvResources.UnknownApiFunctionException);
}
var urlParameters = new Dictionary<string, string>
{
{ ApiParametersDic.GetWord(ApiParameters.Function), function.ToString() }, //func is only first, because validation
{ ApiParametersDic.GetWord(ApiParameters.ApiKey), apiKey }
};
if (parameters?.Any() == true)
{
foreach (var pair in parameters)
{
urlParameters.Add(ApiParametersDic.GetWord(pair.Key), pair.Value);
}
}
var stringUrl = QueryHelpers.AddQueryString(AlphaVantageConstants.BaseAddress, urlParameters);
AlphaVantageApiCallValidator.IsValid(stringUrl);
return stringUrl;
}