getAuthUrl method
Implementation
Uri getAuthUrl() {
///Basically merges the various components of the provided params
///to generate one link for getting credentials before placing a request.
final url = environmentMode == EnvironmentSasaPay.Live
? ApiUrls.BASE_URL_PRODUCTION
: ApiUrls.BASE_URL_TESTING;
final uri = Uri.parse(url + ApiUrls.TOKEN_AUTH_URL);
return uri;
}