public static ICollection <ISolrQuery> GetSolrNetFilters(Query query, out string facetExclusion)
{
facetExclusion = null;
if (query.Filters != null && query.Filters.Any())
{
var filters = new List <ISolrQuery>();
for (int i = 0; i < query.Filters.Count(); i++)
{
var filter = query.Filters.ElementAt(i);
ISolrQuery solrQuery = new SolrQueryInList(filter.Name, filter.Values);
if (i == query.Filters.Count() - 1)
{
var localParams = new LocalParams(new Dictionary <string, string> {
{
"tag",
DefaultSettings.DefaultExcludePrefix + filter.Name
}
});
solrQuery = new LocalParams.LocalParamsQuery(solrQuery, localParams);
facetExclusion = filter.Name;
}
filters.Add(solrQuery);
}
return(filters);
}
return(null);
}
public SearchResult <Product> Handle(SearchQuery query)
{
var solr = Microsoft.Practices.ServiceLocation.ServiceLocator.Current.GetInstance <ISolrOperations <ProductSearchResultItem> >();
//Text search
AbstractSolrQuery solrQuery = string.IsNullOrEmpty(query.SearchText) ? SolrQuery.All :
new SolrQueryBoost(new SolrQueryByField("product_title_t", query.SearchText), 2.0) ||
new SolrQueryByField("product_description_t", query.SearchText);
//Default filters that is always applied
var filters = new List <ISolrQuery>
{
new SolrQueryByField("_language", query.Language),
new SolrQueryByField("_templatename", query.TemplateName),
new SolrNotQuery(new SolrQueryByField("_name", "__Standard Values"))
};
string keepFacetName = null;
//User applied filters
if (query.Filters.Any())
{
var index = 0;
query.Filters.ForEach(filter =>
{
ISolrQuery t = new SolrQueryInList(filter.Key, filter.Value);
if (++index == query.Filters.Count())
{
keepFacetName = filter.Key;
t = new LocalParams.LocalParamsQuery(t, new LocalParams(new Dictionary <string, string> {
{ "tag", "keepfacet" }
}));
}
filters.Add(t);
});
}
var options = new QueryOptions();
options.FilterQueries = filters;
//Selected facets
if (query.Facets != null && query.Facets.Any())
{
var facets = new List <ISolrFacetQuery>();
query.Facets.ForEach(facet =>
{
var facetPrefix = keepFacetName != null && keepFacetName == facet.Key ? "{!ex=keepfacet}" : string.Empty;
facets.Add(new SolrFacetFieldQuery(facetPrefix + facet.Key)
{
MinCount = facet.Value
});
});
options.AddFacets(facets.ToArray());
}
var results = solr.Query(solrQuery, options);
return(new SearchResult <Product>
{
Hits = results.NumFound,
Results = results.Select(result => new Product
{
Id = result.ProductId,
Title = result.Title.First(),
Description = result.Description.First(),
Type = result.Type,
Category = result.Category,
Price = result.Price,
Rating = result.Rating,
IntroDate = result.IntroDate
}),
FacetResults = results.FacetFields.Select(facet => new Facet
{
Key = facet.Key,
Values = facet.Value.Select(facetValue => new FacetValue
{
Key = facetValue.Key,
Count = facetValue.Value
})
})
});
}