public static PredefinedFilterCollection GetPredefinedFilters(MediaType mediaType, string fieldName)
{
string key = GetFilterKey(mediaType, fieldName);
if (PredefinedFilterCache.ContainsKey(key))
{
return(PredefinedFilterCache[key]);
}
PredefinedFilterCollection predefinedFilters = null;
IEnumerable <string> uniqueValues = GetUniqueValues(mediaType, fieldName);
if (uniqueValues != null)
{
predefinedFilters = new PredefinedFilterCollection();
PredefinedFilterCache.Add(key, predefinedFilters);
foreach (string value in uniqueValues)
{
PredefinedFilter predefinedFilter = new PredefinedFilter {
Name = value
};
predefinedFilter.Filter = CriteriaOperator.Parse(String.Format("Contains([{0}], '{1}')", fieldName, value.Replace("'", "''")));
predefinedFilters.Add(predefinedFilter);
}
}
return(predefinedFilters);
}
private PredefinedFilterViewModel GetPredefinedFilterViewModel(PredefinedFilter filter)
{
return new PredefinedFilterViewModel
{
Id = filter.Id,
Name = filter.Value,
Value = filter.Value,
Type = filter.Type,
ParameterName = filter.ParameterName,
ColumnName = filter.ColumnName
};
}
