public RefinerItem getRefiner()
{
if (GetSelectedRefiner() != null)
{
this.refiner = GetSelectedRefiner();
}
return(this.refiner);
}
/// <summary>
/// Get the list of refiners from the query string
/// in theory there should only be one refiner parameter
/// to have more than one, we would need multi-select on the reuslts interface
/// like check boxes
/// input will be r=name:value
/// where name is the name of an aggregator and needs to be translated to a field name
/// value is the string to look for
/// </summary>
///
/// <returns>a refinerItem reflecting the refinement requested in the query or null if no refinement</returns>
private RefinerItem GetSelectedRefiner()
{
RefinerItem selectedRefiner = new RefinerItem();
HttpContextBase currentHttpContext = SystemManager.CurrentHttpContext;
var nameValues = HttpUtility.ParseQueryString(currentHttpContext.Request.QueryString.ToString());
string refiner = GetParamFromURLQueryString(refinerParameter);
if (refiner != null && refiner.IndexOf(":") > 0)
{
selectedRefiner.RefinementName = refiner.Split(':')[0];
selectedRefiner.RefinementValue = refiner.Split(':')[1];
nameValues.Remove(refinerParameter);
selectedRefiner.RefinementUrl = String.Format("{0}?{1}", currentHttpContext.Request.Url.AbsolutePath, nameValues);
}
else
{
selectedRefiner = null;
}
return(selectedRefiner);
}
