private FacetGroup CalculateResultCount(IndexReader reader, DocIdSet baseDocIdSet, ISearchFilter filter, ISearchCriteria criteria)
{
FacetGroup result = null;
var values = filter.GetValues();
if (values != null)
{
BooleanFilter ffilter = null;
foreach (var f in criteria.CurrentFilters)
{
if (!f.Key.Equals(filter.Key))
{
if (ffilter == null)
{
ffilter = new BooleanFilter();
}
var q = LuceneQueryHelper.CreateQuery(criteria, f, Occur.SHOULD);
ffilter.Add(new FilterClause(q, Occur.MUST));
}
}
var groupLabels = filter.GetLabels();
var facetGroup = new FacetGroup(filter.Key, groupLabels);
foreach (var group in values.GroupBy(v => v.Id))
{
var value = group.FirstOrDefault();
var valueFilter = LuceneQueryHelper.CreateQueryForValue(Results.SearchCriteria, filter, value);
if (valueFilter != null)
{
var queryFilter = new BooleanFilter();
queryFilter.Add(new FilterClause(valueFilter, Occur.MUST));
if (ffilter != null)
{
queryFilter.Add(new FilterClause(ffilter, Occur.MUST));
}
var filterArray = queryFilter.GetDocIdSet(reader);
var newCount = (int)CalculateFacetCount(baseDocIdSet, filterArray);
if (newCount > 0)
{
var valueLabels = group.GetValueLabels();
var newFacet = new Facet(facetGroup, group.Key, newCount, valueLabels);
facetGroup.Facets.Add(newFacet);
}
}
}
if (facetGroup.Facets.Any())
{
result = facetGroup;
}
}
return(result);
}
public static ISearchFilter Convert(this ISearchFilterService helper, ISearchFilter filter, string[] keys)
{
// get values that we have filters set for
var values = from v in filter.GetValues() where keys.Contains(v.Id) select v;
var attributeFilter = filter as AttributeFilter;
if (attributeFilter != null)
{
var newFilter = new AttributeFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType <AttributeFilterValue>().ToArray();
return(newFilter);
}
var rangeFilter = filter as RangeFilter;
if (rangeFilter != null)
{
var newFilter = new RangeFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType <RangeFilterValue>().ToArray();
return(newFilter);
}
var priceRangeFilter = filter as PriceRangeFilter;
if (priceRangeFilter != null)
{
var newFilter = new PriceRangeFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType <RangeFilterValue>().ToArray();
return(newFilter);
}
var categoryFilter = filter as CategoryFilter;
if (categoryFilter != null)
{
var newFilter = new CategoryFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType <CategoryFilterValue>().ToArray();
return(newFilter);
}
return(null);
}
public static Filter CreateQuery(ISearchCriteria criteria, ISearchFilter filter, Occur clause)
{
var values = filter.GetValues();
if (values == null)
return null;
var query = new BooleanFilter();
foreach (var value in values)
{
var valueQuery = CreateQueryForValue(criteria, filter, value);
query.Add(new FilterClause(valueQuery, Occur.SHOULD));
}
return query;
}
public static Filter CreateQuery(ISearchCriteria criteria, ISearchFilter filter, Occur clause)
{
var values = filter.GetValues();
if (values == null)
{
return(null);
}
var query = new BooleanFilter();
foreach (var value in values)
{
var valueQuery = CreateQueryForValue(criteria, filter, value);
query.Add(new FilterClause(valueQuery, Occur.SHOULD));
}
return(query);
}
/*
/// <summary>
/// Converts the specified filter to filter model.
/// </summary>
/// <param name="helper"></param>
/// <param name="filter">The search filter.</param>
/// <returns>Filter model</returns>
public static Facet Convert(this IBrowseFilterService helper, ISearchFilter filter)
{
var model = new Facet();
if (filter is AttributeFilter)
{
var prop = filter as AttributeFilter;
model.Field = prop.Key;
model.Label = prop.Key;
model.FacetType = "attr";
model.Values = prop.Values
//model.Label = ClientContext.Clients.CreateCatalogClient().GetPropertyName(prop.Key);
//model.Name = string.IsNullOrEmpty(model.Name) ? model.Key : model.Name;
return model;
}
if (filter is RangeFilter)
{
var prop = filter as RangeFilter;
model.Field = prop.Key;
model.Label = prop.Key;
//model.Name = ClientContext.Clients.CreateCatalogClient().GetPropertyName(prop.Key);
//model.Name = string.IsNullOrEmpty(model.Name) ? model.Key : model.Name;
return model;
}
if (filter is PriceRangeFilter)
{
var prop = filter as PriceRangeFilter;
model.Field = prop.Key;
model.Label = "Price";
return model;
}
if (filter is CategoryFilter)
{
var prop = filter as CategoryFilter;
model.Field = prop.Key;
model.Label = "Category";
return model;
}
return null;
}
public static FacetValue ToModel(this AttributeFilterValue value)
{
var ret = new FacetValue() { Value = value.Value };
return ret;
}
/// <summary>
/// Converts the specified filter value to facet model.
/// </summary>
/// <param name="helper"></param>
/// <param name="val">The search filter value.</param>
/// <returns>facet model</returns>
public static FacetModel Convert(this IBrowseFilterService helper, ISearchFilterValue val)
{
var model = new FacetModel();
if (val is AttributeFilterValue)
{
var v = val as AttributeFilterValue;
model.Key = v.Id;
model.Name = v.Value;
return model;
}
if (val is CategoryFilterValue)
{
var v = val as CategoryFilterValue;
model.Key = v.Id;
model.Name = v.Name;
return model;
}
if (val is RangeFilterValue)
{
var v = val as RangeFilterValue;
model.Key = v.Id;
var name = String.Empty;
if (v.Displays != null)
{
var disp = (from d in v.Displays where d.Language == "en" select d).SingleOrDefault();
if (disp != null)
{
name = disp.Value;
}
}
model.Name = name;
return model;
}
return null;
}
/// <summary>
/// Converts the specified facet groups into filter model.
/// </summary>
/// <param name="helper">The helper.</param>
/// <param name="groups">The groups.</param>
/// <returns>
/// FilterModel[][].
/// </returns>
public static FilterModel[] Convert(this IBrowseFilterService helper, FacetGroup[] groups)
{
var list = new List<FilterModel>();
if (groups != null)
{
list.AddRange(groups.Select(x => Convert(helper, x)));
}
return list.ToArray();
}
/// <summary>
/// Converts the specified facet group.
/// </summary>
/// <param name="helper">The helper.</param>
/// <param name="group">The facet group.</param>
/// <returns>
/// facet group
/// </returns>
public static FilterModel Convert(this IBrowseFilterService helper, FacetGroup group)
{
return new FilterModel
{
Key = @group.FieldName,
Name = GetDescriptionFromFilter(@group.FieldName),
Facets = @group.Facets.Select(x => Convert(helper, x)).ToArray()
};
}
/// <summary>
/// Converts the specified facet to facet model.
/// </summary>
/// <param name="helper">The helper.</param>
/// <param name="facet">The facet.</param>
/// <returns>
/// facet model
/// </returns>
public static FacetModel Convert(this IBrowseFilterService helper, Facet facet)
{
return new FacetModel
{
Key = facet.Key,
Name = GetNameFromFilterValue(helper, facet),
Count = facet.Count
};
}
* */
#region Public Methods and Operators
public static ISearchFilter Convert(this IBrowseFilterService helper, ISearchFilter filter, string[] keys)
{
if (filter != null && keys != null)
{
// get values that we have filters set for
var values = from v in filter.GetValues() where keys.Contains(v.Id, StringComparer.OrdinalIgnoreCase) select v;
var attributeFilter = filter as AttributeFilter;
if (attributeFilter != null)
{
var newFilter = new AttributeFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType<AttributeFilterValue>().ToArray();
return newFilter;
}
var rangeFilter = filter as RangeFilter;
if (rangeFilter != null)
{
var newFilter = new RangeFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType<RangeFilterValue>().ToArray();
return newFilter;
}
var priceRangeFilter = filter as PriceRangeFilter;
if (priceRangeFilter != null)
{
var newFilter = new PriceRangeFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType<RangeFilterValue>().ToArray();
return newFilter;
}
var categoryFilter = filter as CategoryFilter;
if (categoryFilter != null)
{
var newFilter = new CategoryFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType<CategoryFilterValue>().ToArray();
return newFilter;
}
}
return null;
}
private FacetGroup CalculateResultCount(IndexReader reader, DocIdSet baseDocIdSet, ISearchFilter filter, ISearchCriteria criteria)
{
FacetGroup result = null;
var values = filter.GetValues();
if (values != null)
{
BooleanFilter ffilter = null;
foreach (var f in criteria.CurrentFilters)
{
if (!f.Key.Equals(filter.Key))
{
if (ffilter == null)
ffilter = new BooleanFilter();
var q = LuceneQueryHelper.CreateQuery(criteria, f, Occur.SHOULD);
ffilter.Add(new FilterClause(q, Occur.MUST));
}
}
var groupLabels = filter.GetLabels();
var facetGroup = new FacetGroup(filter.Key, groupLabels);
foreach (var group in values.GroupBy(v => v.Id))
{
var value = group.FirstOrDefault();
var valueFilter = LuceneQueryHelper.CreateQueryForValue(Results.SearchCriteria, filter, value);
if (valueFilter != null)
{
var queryFilter = new BooleanFilter();
queryFilter.Add(new FilterClause(valueFilter, Occur.MUST));
if (ffilter != null)
queryFilter.Add(new FilterClause(ffilter, Occur.MUST));
var filterArray = queryFilter.GetDocIdSet(reader);
var newCount = (int)CalculateFacetCount(baseDocIdSet, filterArray);
if (newCount > 0)
{
var valueLabels = group.GetValueLabels();
var newFacet = new Facet(facetGroup, group.Key, newCount, valueLabels);
facetGroup.Facets.Add(newFacet);
}
}
}
if (facetGroup.Facets.Any())
{
result = facetGroup;
}
}
return result;
}