/// <summary>
/// Creates a browser request from the passed in key value pair query string
/// </summary>
/// <param name="querystring"></param>
/// <param name="page"></param>
/// <param name="useOffset"></param>
/// <param name="itemsPerPage"></param>
/// <returns></returns>
public virtual BrowseRequest CreateBrowseRequest(List <KeyValuePair <string, string> > querystring, int?page = null, bool useOffset = false, int itemsPerPage = 10)
{
Query query = null;
var compiledQuery = BuildBaseQuery(querystring);
if (compiledQuery != null)
{
var luceneParams = compiledQuery as LuceneSearchCriteria;
query = luceneParams?.Query ?? throw new ArgumentException("Provided ISearchCriteria dos not match the allowed ISearchCriteria. Ensure you only use an ISearchCriteria created from the current SearcherProvider");
}
var offset = 0;
if (!page.HasValue)
{
page = 1;
}
var count = page.Value * itemsPerPage;
if (useOffset)
{
offset = (page.Value - 1) * itemsPerPage;
count = itemsPerPage;
}
var browseRequest = new BrowseRequest
{
Offset = offset,
Count = count,
Query = query,
FetchStoredFields = true,
Sort = DetermineSort(querystring)
};
var facetSelection = QueryStringParser.ParseQueryString(querystring, FacetFields);
foreach (var facetField in facetSelection)
{
if (facetField.Value.Any())
{
var sel = new BrowseSelection(facetField.Key.Alias.FacetFieldAlias());
foreach (var selection in facetField.Value)
{
if (!string.IsNullOrEmpty(selection))
{
sel.AddValue(selection);
}
}
sel.SelectionOperation = facetField.Key.SelectionOperation;
browseRequest.AddSelection(sel);
}
}
return(browseRequest);
}
public void TestLogging()
{
// Set up a simple Log4Net configuration that logs in memory.
var memAppend = new log4net.Appender.MemoryAppender();
#if NETCOREAPP1_0
var repository = LogManager.GetRepository(Assembly.GetEntryAssembly());
BasicConfigurator.Configure(repository, memAppend);
#else
BasicConfigurator.Configure(memAppend);
#endif
BrowseRequest br = new BrowseRequest();
br.Count = 20;
br.Offset = 0;
BrowseSelection colorSel = new BrowseSelection("mycolor");
colorSel.AddValue("yellow");
br.AddSelection(colorSel);
BrowseSelection makeSel = new BrowseSelection("make");
makeSel.AddValue("rav4");
br.AddSelection(makeSel);
FacetSpec spec = new FacetSpec();
spec.ExpandSelection = true;
spec.OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc;
spec.MaxCount = 15;
br.SetFacetSpec("mycolor", spec);
br.SetFacetSpec("id", spec);
br.SetFacetSpec("make", spec);
Directory ramIndexDir = CreateIndex();
using (DirectoryReader srcReader = DirectoryReader.Open(ramIndexDir))
{
using (BoboMultiReader boboReader = BoboMultiReader.GetInstance(srcReader, _facetHandlers))
{
using (BoboBrowser boboBrowser = new BoboBrowser(boboReader))
{
using (BrowseResult result = boboBrowser.Browse(br))
{
}
}
}
}
var events = memAppend.GetEvents();
Assert.AreEqual(3, events.Length);
StringAssert.StartsWith("facetHandler loaded: id, took:", events[0].RenderedMessage);
StringAssert.StartsWith("facetHandler loaded: make, took:", events[1].RenderedMessage);
StringAssert.StartsWith("facetHandler loaded: mycolor, took:", events[2].RenderedMessage);
}
public override RandomAccessFilter BuildRandomAccessFilter(string value, IDictionary <string, string> selectionProperty)
{
List <RandomAccessFilter> filterList = new List <RandomAccessFilter>();
string[] vals = value.Split(new string[] { m_sep }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < vals.Length; ++i)
{
SimpleFacetHandler handler = m_facetHandlers[i];
BrowseSelection sel = new BrowseSelection(handler.Name);
sel.AddValue(vals[i]);
filterList.Add(handler.BuildFilter(sel));
}
return(new RandomAccessAndFilter(filterList));
}
public void TestNotValuesForSimpleFacetHandler()
{
BrowseRequest br = new BrowseRequest();
br.Count = 20;
br.Offset = 0;
BrowseSelection colorSel = new BrowseSelection("color");
colorSel.AddValue("red");
br.AddSelection(colorSel);
BrowseSelection idSel = new BrowseSelection("id");
idSel.AddNotValue("0");
br.AddSelection(idSel);
BrowseResult result = null;
BoboBrowser boboBrowser = null;
int expectedHitNum = (_documentSize / 2) - 1;
using (Directory ramIndexDir = CreateIndex())
{
using (IndexReader srcReader = IndexReader.Open(ramIndexDir, true))
{
using (boboBrowser = new BoboBrowser(BoboIndexReader.GetInstance(srcReader, _facetHandlers, null)))
{
result = boboBrowser.Browse(br);
Assert.AreEqual(expectedHitNum, result.NumHits);
StringBuilder buffer = new StringBuilder();
BrowseHit[] hits = result.Hits;
for (int i = 0; i < hits.Length; ++i)
{
int expectedID = (i + 1) * 2;
Assert.AreEqual(expectedID, int.Parse(hits[i].GetField("id")));
if (i != 0)
{
buffer.Append('\n');
}
buffer.Append("id=" + hits[i].GetField("id") + "," + "color=" + hits[i].GetField("color"));
}
log.Info(buffer.ToString());
}
}
}
}
public void TestFacetNameForSimpleFacetHandler()
{
BrowseRequest br = new BrowseRequest();
br.Count = 20;
br.Offset = 0;
BrowseSelection colorSel = new BrowseSelection("mycolor");
colorSel.AddValue("yellow");
br.AddSelection(colorSel);
BrowseSelection makeSel = new BrowseSelection("make");
makeSel.AddValue("rav4");
br.AddSelection(makeSel);
FacetSpec spec = new FacetSpec();
spec.ExpandSelection = true;
spec.OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc;
spec.MaxCount = 15;
br.SetFacetSpec("mycolor", spec);
br.SetFacetSpec("id", spec);
br.SetFacetSpec("make", spec);
int expectedHitNum = 3;
Directory ramIndexDir = CreateIndex();
using (DirectoryReader srcReader = DirectoryReader.Open(ramIndexDir))
{
using (BoboMultiReader boboReader = BoboMultiReader.GetInstance(srcReader, _facetHandlers))
{
using (BoboBrowser boboBrowser = new BoboBrowser(boboReader))
{
using (BrowseResult result = boboBrowser.Browse(br))
{
Assert.AreEqual(expectedHitNum, result.NumHits);
}
}
}
}
}
public BrowseRequest CreateRequest(int minHitCount, BrowseSelection.ValueOperation operation, params string[] terms)
{
BrowseRequest req = new BrowseRequest();
BrowseSelection sel = new BrowseSelection(AttributeHandlerName);
foreach (String term in terms)
{
sel.AddValue(term);
}
sel.SetSelectionProperties(selectionProperties);
sel.SelectionOperation = (operation);
req.AddSelection(sel);
req.Count = (50);
FacetSpec fs = new FacetSpec();
fs.MinHitCount = (minHitCount);
req.SetFacetSpec(AttributeHandlerName, fs);
return(req);
}
public BrowseRequest CreateRequest(int minHitCount, BrowseSelection.ValueOperation operation, params string[] terms)
{
BrowseRequest req = new BrowseRequest();
BrowseSelection sel = new BrowseSelection(AttributeHandlerName);
foreach (String term in terms)
{
sel.AddValue(term);
}
sel.SetSelectionProperties(selectionProperties);
sel.SelectionOperation = (operation);
req.AddSelection(sel);
req.Count = (50);
FacetSpec fs = new FacetSpec();
fs.MinHitCount = (minHitCount);
req.SetFacetSpec(AttributeHandlerName, fs);
return req;
}
private BrowseResult PerformSearch(Query query, string indexPath, IEnumerable<Models.SelectionGroup> selectionGroups)
{
string[] FieldNames = new string[] { "Material", "Style", "Mounting", "Brand" };
var handlers = new List<FacetHandler>();
foreach (string field in FieldNames)
{
handlers.Add(new SimpleFacetHandler(field));
}
// Run the search
// create the index reader
var directory = FSDirectory.Open(new System.IO.DirectoryInfo(indexPath));
var indexReader = DirectoryReader.Open(directory, true);
//// This is how to get a searcher for executing the search, not for working with facets
//IndexSearcher indexSearcher = new IndexSearcher(directory, true);
//indexSearcher.Search(
// Decorate it with the Bobo index reader
BoboIndexReader boboReader = BoboIndexReader.GetInstance(indexReader, handlers);
// create a browse request
BrowseRequest browseRequest = new BrowseRequest();
// NOTE: these must be used in production to page the results
browseRequest.Count = 50;
browseRequest.Offset = 0;
browseRequest.FetchStoredFields = true;
//Query query = new QueryParser(
// Lucene.Net.Util.Version.LUCENE_29,
// "title",
// new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_29)
// ).Parse(model.Phrase);
if (selectionGroups != null)
{
// Add the selections to the search
foreach (var group in selectionGroups)
{
BrowseSelection sel = new BrowseSelection(group.Name);
foreach (var value in group.Selections)
{
sel.AddValue(value);
}
browseRequest.AddSelection(sel);
}
}
browseRequest.Query = query;
//// add the facet output specs
//FacetSpec brandSpec = new FacetSpec();
//brandSpec.OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc;
//browseRequest.SetFacetSpec("Brand", brandSpec);
foreach (var name in FieldNames)
{
// add the facet output specs
FacetSpec spec = new FacetSpec();
//spec.OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc;
// NOTE: if this is a secondary search, we want to get the facets with 0
// hits so the checkboxes can be set on the UI...or otherwise program the UI
// to disable and set to 0 all of the selections that aren't in the result
if (selectionGroups != null)
{
spec.MinHitCount = 0;
}
browseRequest.SetFacetSpec(name, spec);
}
// perform browse
IBrowsable browser = new BoboBrowser(boboReader);
BrowseResult result = browser.Browse(browseRequest);
return result;
}