public ActionResult Index(SearchParameters parameters) {
try {
var start = (parameters.PageIndex - 1)*parameters.PageSize;
var matchingProducts = solr.Query(BuildQuery(parameters), new QueryOptions {
FilterQueries = BuildFilterQueries(parameters),
Rows = parameters.PageSize,
Start = start,
OrderBy = GetSelectedSort(parameters),
SpellCheck = new SpellCheckingParameters(),
Facet = new FacetParameters {
Queries = AllFacetFields.Except(SelectedFacetFields(parameters))
.Select(f => new SolrFacetFieldQuery(f) {MinCount = 1})
.Cast<ISolrFacetQuery>()
.ToList(),
},
});
var view = new ProductView {
Products = matchingProducts,
Search = parameters,
TotalCount = matchingProducts.NumFound,
Facets = matchingProducts.FacetFields,
DidYouMean = GetSpellCheckingResult(matchingProducts),
};
return View(view);
} catch (InvalidFieldException) {
return View(new ProductView {
QueryError = true,
});
}
}
public ProductView()
{
Search = new SearchParameters();
Facets = new Dictionary<string, ICollection<KeyValuePair<string, int>>>();
Products = new List<SolrTitle>();
}
public SortOrder[] GetSelectedSort(SearchParameters parameters)
{
return new[] { SortOrder.Parse(parameters.Sort) }.Where(o => o != null).ToArray();
}
/// <summary>
/// Gets the selected facet fields
/// </summary>
/// <param name="parameters"></param>
/// <returns></returns>
public IEnumerable<string> SelectedFacetFields(SearchParameters parameters)
{
return parameters.Facets.Select(f => f.Key);
}
public ICollection<ISolrQuery> BuildFilterQueries(SearchParameters parameters)
{
var queriesFromFacets = from p in parameters.Facets
select (ISolrQuery)Query.Field(p.Key).Is(p.Value);
return queriesFromFacets.ToList();
}
/// <summary>
/// Builds the Solr query from the search parameters
/// </summary>
/// <param name="parameters"></param>
/// <returns></returns>
public ISolrQuery BuildQuery(SearchParameters parameters)
{
if (!string.IsNullOrEmpty(parameters.FreeSearch))
return new SolrQuery(parameters.FreeSearch);
return SolrQuery.All;
}
/// <summary>
/// Builds the Solr query from the search parameters
/// </summary>
/// <param name="parameters"></param>
/// <returns></returns>
public ISolrQuery BuildQuery(SearchParameters parameters)
{
if (!string.IsNullOrEmpty(parameters.FreeSearch))
return new SolrQuery("Name:" + parameters.FreeSearch + "*"); //TODO: Just until I change the default in Lucene to Name and figure out contains..
return new SolrQueryByField("Type", "Title");
}