sharee.bike-App/TINKLib/Repository/Request/QueryBuilderHelper.cs

namespace TINK.Repository.Request
{
    public static class QueryBuilderHelper
    {
        /// <summary>
        /// Gets the htlm query string element for session id.
        /// </summary>
        /// <returns>Query string.</returns>
        public static string GetSessionIdQueryElement(
            string op,
            string merchantId,
            string sessionCookie = null)
            => !string.IsNullOrEmpty(merchantId) || !string.IsNullOrEmpty(sessionCookie)
                ? $"{op}sessionid={(!string.IsNullOrEmpty(sessionCookie) ? sessionCookie : string.Empty)}{(!string.IsNullOrEmpty(merchantId) ? merchantId : string.Empty)}"
                : string.Empty;

        /// <summary>
        /// Gets the htlm query string element for the language.
        /// </summary>
        /// <param name="uiIsoLangugageName">Two letter ISO language name.</param>
        /// <returns>Query string.</returns>
        public static string GetLanguageQueryElement(string op, string uiIsoLangugageName)
            => !string.IsNullOrEmpty(uiIsoLangugageName)
                ? $"{op}lang={uiIsoLangugageName}"
                : string.Empty;
    }
}