public string GetQueryString()
{
if (string.IsNullOrEmpty(SearchQuery))
{
throw new ArgumentNullException("Query string must be specified.");
}
var q = new StringBuilder();
q.Append($"q={WebUtility.UrlEncode(SearchQuery)}");
foreach (var value in Enum.GetValues(typeof(QueryFields)))
{
if (RequestFields.HasFlag((QueryFields)value))
{
q.Append($"&fl%5B%5D={FieldMap[(QueryFields)value]}");
}
}
if (sortSelections != null && sortSelections.Length > 0)
{
foreach (var sel in sortSelections)
{
q.Append($"&sort%5B%5D={sel.ToString()}");
}
}
q.Append($"&rows={NumberOfResults}&page={Page}&output=json");
return(q.ToString());
}