public BooleanFilterTests()
{
items = new[]
{
new GridModel(),
new GridModel { IsChecked = true, NIsChecked = false },
new GridModel { IsChecked = false, NIsChecked = true }
}.AsQueryable();
filter = new BooleanFilter();
}
public static Filter CreateQuery(ISearchCriteria criteria, ISearchFilter filter, Occur clause)
{
var values = GetFilterValues(filter);
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 void OperatorPropertyEmpty_MatchesBoolFilterTest()
{
var expectedValue = new SubmissionMetaDataModel()
{
DisplayName = nameof(String),
Name = nameof(String),
Type = nameof(String),
Value = nameof(String),
};
var filterValue = new SearchTermModel()
{
FieldName = FilterConstants.FilterFieldTypes.StringType,
FieldType = FilterConstants.FilterFieldTypes.BooleanType,
FieldValue = FilterConstants.FilterFieldTypes.StringType,
OperatorProperty = FilterConstants.CommonFieldOperators.Empty
};
Assert.Throws <NotImplementedException>(() => BooleanFilter.MatchesFilter(expectedValue, filterValue));
}
public virtual Filter GetFilter(XmlElement e)
{
BooleanFilter bf = new BooleanFilter();
XmlNodeList nl = e.ChildNodes;
for (int i = 0; i < nl.Count; i++)
{
XmlNode node = nl.Item(i);
if (node.LocalName.Equals("Clause", StringComparison.Ordinal))
{
XmlElement clauseElem = (XmlElement)node;
BooleanClause.Occur occurs = BooleanQueryBuilder.GetOccursValue(clauseElem);
XmlElement clauseFilter = DOMUtils.GetFirstChildOrFail(clauseElem);
Filter f = factory.GetFilter(clauseFilter);
bf.Add(new FilterClause(f, occurs));
}
}
return(bf);
}
public void TestJustNullDocIdSets()
{
BooleanFilter booleanFilter = new BooleanFilter();
booleanFilter.Add(GetNullDISFilter(), BooleanClause.Occur.MUST);
TstFilterCard(@"A MUST filter that returns a null DIS should never return documents", 0, booleanFilter);
booleanFilter = new BooleanFilter();
booleanFilter.Add(GetNullDISIFilter(), BooleanClause.Occur.MUST);
TstFilterCard(@"A MUST filter that returns a null DISI should never return documents", 0, booleanFilter);
booleanFilter = new BooleanFilter();
booleanFilter.Add(GetNullDISFilter(), BooleanClause.Occur.SHOULD);
TstFilterCard(@"A single SHOULD filter that returns a null DIS should never return documents", 0, booleanFilter);
booleanFilter = new BooleanFilter();
booleanFilter.Add(GetNullDISIFilter(), BooleanClause.Occur.SHOULD);
TstFilterCard(@"A single SHOULD filter that returns a null DISI should never return documents", 0, booleanFilter);
booleanFilter = new BooleanFilter();
booleanFilter.Add(GetNullDISFilter(), BooleanClause.Occur.MUST_NOT);
TstFilterCard(@"A single MUST_NOT filter that returns a null DIS should be invisible", 5, booleanFilter);
booleanFilter = new BooleanFilter();
booleanFilter.Add(GetNullDISIFilter(), BooleanClause.Occur.MUST_NOT);
TstFilterCard(@"A single MUST_NOT filter that returns a null DIS should be invisible", 5, booleanFilter);
}
public bool VerifyAppAccount(int tenantId, string agentId, string appSecret)
{
var result = false;
//添加去重条件：AgentId、AppSecret
//思路：根据AgentId过滤多租赁，数据为空，继续根据AppSecret过滤多租赁，数据为空，则没有重复，继续之后的保存、更新操作
var agentIdFilter = new BooleanFilter()
.Must(new TermFilter(AppAccount.AppAccount_AgentId, agentId));
var appAccountList = CloudDataHelper.GetEntityAllList(AppAccount.MetaName, tenantId, agentIdFilter).ToList();
if (appAccountList.Count <= 0)
{
var appSecretFilter = new BooleanQuery()
.Must(new MatchQuery(AppAccount.AppAccount_AppSecret, appSecret));
var appAccount = CloudDataHelper.GetEntityAllList(AppAccount.MetaName, tenantId, queryJson: ElasticSearchSerialization.Serialize(appSecretFilter)).ToList();
if (appAccount.Count <= 0)
{
result = true;
}
}
return(result);
}
public void DoesNotMatchBoolFilterTest(string submitValue, string fieldValue, bool expectedResult)
{
var expectedValue = new SubmissionMetaDataModel()
{
DisplayName = nameof(String),
Name = nameof(String),
Type = nameof(String),
Value = submitValue
};
var filterValue = new SearchTermModel()
{
FieldName = FilterConstants.FilterFieldTypes.StringType,
FieldType = FilterConstants.FilterFieldTypes.BooleanType,
FieldValue = fieldValue,
OperatorProperty = FilterConstants.CommonFieldOperators.NotEqual
};
var result = BooleanFilter.MatchesFilter(expectedValue, filterValue);
Assert.Equal(expectedResult, result);
}
public void TestShouldsAndMustNot()
{
BooleanFilter booleanFilter = new BooleanFilter();
booleanFilter.Add(GetRangeFilter(@"price", @"010", @"020"), Occur.SHOULD);
booleanFilter.Add(GetRangeFilter(@"price", @"020", @"030"), Occur.SHOULD);
booleanFilter.Add(GetTermsFilter(@"inStock", @"N"), Occur.MUST_NOT);
TstFilterCard(@"Shoulds Ored but AndNot", 4, booleanFilter);
booleanFilter.Add(GetTermsFilter(@"inStock", @"Maybe"), Occur.MUST_NOT);
TstFilterCard(@"Shoulds Ored but AndNots", 3, booleanFilter);
// same with a real DISI (no OpenBitSetIterator)
booleanFilter = new BooleanFilter();
booleanFilter.Add(GetRangeFilter(@"price", @"010", @"020"), Occur.SHOULD);
booleanFilter.Add(GetRangeFilter(@"price", @"020", @"030"), Occur.SHOULD);
booleanFilter.Add(GetWrappedTermQuery(@"inStock", @"N"), Occur.MUST_NOT);
TstFilterCard(@"Shoulds Ored but AndNot", 4, booleanFilter);
booleanFilter.Add(GetWrappedTermQuery(@"inStock", @"Maybe"), Occur.MUST_NOT);
TstFilterCard(@"Shoulds Ored but AndNots", 3, booleanFilter);
}
public void TestToStringOfWrappedBooleanFilters()
{
BooleanFilter orFilter = new BooleanFilter();
BooleanFilter stockFilter = new BooleanFilter();
stockFilter.Add(new FilterClause(GetTermsFilter(@"inStock", @"Y"), Occur.MUST));
stockFilter.Add(new FilterClause(GetTermsFilter(@"barCode", @"12345678"), Occur.MUST));
orFilter.Add(new FilterClause(stockFilter, Occur.SHOULD));
BooleanFilter productPropertyFilter = new BooleanFilter();
productPropertyFilter.Add(new FilterClause(GetTermsFilter(@"isHeavy", @"N"), Occur.MUST));
productPropertyFilter.Add(new FilterClause(GetTermsFilter(@"isDamaged", @"Y"), Occur.MUST));
orFilter.Add(new FilterClause(productPropertyFilter, Occur.SHOULD));
BooleanFilter composedFilter = new BooleanFilter();
composedFilter.Add(new FilterClause(orFilter, Occur.MUST));
assertEquals(@"BooleanFilter(+BooleanFilter(BooleanFilter(+inStock:Y +barCode:12345678) BooleanFilter(+isHeavy:N +isDamaged:Y)))", composedFilter.ToString());
}
/// <summary>
/// Builds the query.
/// </summary>
/// <param name="criteria">The criteria.</param>
/// <returns></returns>
public virtual object BuildQuery(ISearchCriteria criteria)
{
var queryBuilder = new QueryBuilder();
var queryFilter = new BooleanFilter();
var query = new BooleanQuery();
queryBuilder.Query = query;
queryBuilder.Filter = queryFilter;
if (criteria.CurrentFilters != null)
{
foreach (var filter in criteria.CurrentFilters)
{
// Skip currencies that are not part of the filter
if (filter.GetType() == typeof(PriceRangeFilter)) // special filtering
{
var currency = (filter as PriceRangeFilter).Currency;
if (!currency.Equals(criteria.Currency, StringComparison.OrdinalIgnoreCase))
{
continue;
}
}
var filterQuery = LuceneQueryHelper.CreateQuery(criteria, filter, Occur.SHOULD);
// now add other values that should also be counted?
if (filterQuery != null)
{
var clause = new FilterClause(filterQuery, Occur.MUST);
queryFilter.Add(clause);
}
}
}
return(queryBuilder);
}
/// <summary>
/// Searches for similar words
/// </summary>
/// <param name="userId">
/// The user identifier.
/// </param>
/// <param name="filter">
/// The filter.
/// </param>
/// <param name="searchQuery">
/// The search query.
/// </param>
/// <param name="searchField">
/// The search field.
/// </param>
/// <returns>
/// Returns the Search results
/// </returns>
private List <SearchMessage> SearchSimilarIndex(int userId, string filter, string searchQuery, string searchField)
{
if (searchQuery.Replace("*", string.Empty).Replace("?", string.Empty).IsNotSet())
{
return(new List <SearchMessage>());
}
// Insert forum access here
var userAccessList = this.GetRepository <vaccess>().Get(v => v.UserID == userId);
var searcher = this.GetSearcher();
if (searcher == null)
{
return(new List <SearchMessage>());
}
var booleanFilter = new BooleanFilter
{
new FilterClause(new TermsFilter(new Term("TopicId", filter)), Occur.MUST_NOT)
};
var hitsLimit = this.Get <BoardSettings>().ReturnSearchMax;
var parser = new QueryParser(MatchVersion, searchField, this.standardAnalyzer);
var query = ParseQuery(searchQuery, parser);
var hits = filter.IsSet()
? searcher.Search(query, booleanFilter, hitsLimit).ScoreDocs
: searcher.Search(query, hitsLimit).ScoreDocs;
var results = MapSearchToDataList(searcher, hits, userAccessList);
this.searcherManager.Release(searcher);
return(results);
}
/// <summary>
/// Builds the query.
/// </summary>
/// <param name="criteria">The criteria.</param>
/// <returns></returns>
public virtual object BuildQuery(ISearchCriteria criteria)
{
var queryBuilder = new QueryBuilder();
var queryFilter = new BooleanFilter();
var query = new BooleanQuery();
queryBuilder.Query = query;
queryBuilder.Filter = queryFilter;
if (criteria.CurrentFilters != null)
{
foreach (var filter in criteria.CurrentFilters)
{
// Skip currencies that are not part of the filter
if (filter.GetType() == typeof(PriceRangeFilter)) // special filtering
{
var currency = (filter as PriceRangeFilter).Currency;
if (!currency.Equals(criteria.Currency, StringComparison.OrdinalIgnoreCase))
{
continue;
}
}
var filterQuery = LuceneQueryHelper.CreateQuery(criteria, filter, Occur.SHOULD);
// now add other values that should also be counted?
if (filterQuery != null)
{
var clause = new FilterClause(filterQuery, Occur.MUST);
queryFilter.Add(clause);
}
}
}
return queryBuilder;
}
/// <summary>
/// Calculates the result count.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="baseDocIdSet">The base doc id set.</param>
/// <param name="facetGroup">The facet group.</param>
/// <param name="filter">The filter.</param>
/// <param name="criteria">The criteria.</param>
/// <returns></returns>
private int CalculateResultCount(IndexReader reader, DocIdSet baseDocIdSet, FacetGroup facetGroup, ISearchFilter filter, ISearchCriteria criteria)
{
var count = 0;
var values = LuceneQueryHelper.GetFilterValues(filter);
if (values == null)
{
return 0;
}
BooleanFilter ffilter = null;
foreach (var f in criteria.CurrentFilters)
{
if (!f.Key.Equals(facetGroup.FieldName))
{
if (ffilter == null) ffilter = new BooleanFilter();
var q = LuceneQueryHelper.CreateQuery(criteria, f, Occur.SHOULD);
ffilter.Add(new FilterClause(q, Occur.MUST));
}
}
foreach (var value in values)
{
var queryFilter = new BooleanFilter();
var valueFilter = LuceneQueryHelper.CreateQueryForValue(Results.SearchCriteria, filter, value);
if (valueFilter == null) continue;
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) continue;
var newFacet = new Facet(facetGroup, value.Id, GetDescription(value, Results.SearchCriteria.Locale), newCount);
facetGroup.Facets.Add(newFacet);
count += newCount;
}
return count;
}
private void InitModel()
{
if (this.ItemType != null)
{
Model item = new Model();
PropertyInfo[] infoArray2 = this.ItemType.GetProperties();
GridFilters filters = new GridFilters();
filters.MenuFilterText = "搜索";
filters.ID = "filters" + ID;
for (int i = 0; i < infoArray2.Length; i++)
{
Func <ColumnBase, bool> predicate = null;
PropertyInfo property = infoArray2[i];
ModelField field = new ModelField
{
Name = property.Name
};
#region 射字段类型
string fullName = property.PropertyType.FullName;
if (fullName.Contains("System.Int"))
{
var enumDataTypeAttr = AttributeHelper.GetAttribute <EnumDataTypeAttribute>(property);
if (enumDataTypeAttr == null)
{
field.Type = ModelFieldType.Int;
}
}
else if (fullName.Contains("System.DateTime"))
{
field.Type = ModelFieldType.Date;
}
else if (fullName.Contains("System.Single"))
{
field.Type = ModelFieldType.Float;
}
else if (fullName.Contains("System.Boolean"))
{
field.Type = ModelFieldType.Boolean;
}
else if (fullName.Contains("System.String"))
{
field.Type = ModelFieldType.String;
}
else if (!property.PropertyType.IsPrimitive)
{
field.Type = ModelFieldType.Object;
}
else
{
field.Type = ModelFieldType.Auto;
}
#endregion
item.Fields.Add(field);
if (predicate == null)
{
predicate = x => x.DataIndex == property.Name;
}
ColumnBase column = this.ColumnModel.Columns.FirstOrDefault <ColumnBase>(predicate);
if (column == null)
{
ColumnBase base2;
DataGridColumnAttribute displayAttr = AttributeHelper.GetAttribute <DataGridColumnAttribute>(property);
FilterAttribute filterAttr = AttributeHelper.GetAttribute <FilterAttribute>(property);
bool simpleFilterable = filterAttr != null && filterAttr.Enabled && filterAttr.FilterType == null;
GridFilter filter = null;
#region 射列类型
if (fullName.Contains("System.Int") ||
fullName.Contains("System.Single") ||
fullName.Contains("System.Decimal") ||
fullName.Contains("System.Double"))
{
NumberColumn column1 = new NumberColumn
{
Format = this.GetFormat(displayAttr, "0")
};
base2 = column1;
if (simpleFilterable && filterAttr.FilterType == null)
{
filter = new NumericFilter();
}
}
else if (fullName.Contains("System.DateTime"))
{
DateColumn column2 = new DateColumn
{
Format = this.GetFormat(displayAttr, "Y-m-d")
};
base2 = column2;
if (simpleFilterable)
{
filter = new DateFilter()
{
AfterText = "在这之后",
BeforeText = "在这之前",
OnText = "在这天"
};
}
}
else if (fullName.Contains("System.Boolean"))
{
string[] strArray = this.GetFormat(displayAttr, "是|否").Split(new char[] { '|' });
BooleanColumn column4 = new BooleanColumn
{
TrueText = strArray[0],
FalseText = strArray[1]
};
base2 = column4;
if (simpleFilterable)
{
filter = new BooleanFilter()
{
NoText = strArray[1],
YesText = strArray[0]
};
}
}
else if (fullName.Contains("System.String"))
{
base2 = new Column();
if (simpleFilterable)
{
filter = new StringFilter();
}
}
else if (!property.PropertyType.IsPrimitive)
{
base2 = new Column();
if (simpleFilterable)
{
filter = new StringFilter();
}
}
else
{
base2 = new Column();
if (simpleFilterable)
{
filter = new StringFilter();
}
}
#endregion
#region 生成外键过滤器
if (filterAttr != null && filterAttr.Enabled && filterAttr.FilterType != null)
{
Store store = new Store();
store.ID = "filterStore" + property.Name;
if (filterAttr.FilterType.IsEnum)
{
var valueType = filterAttr.FilterType;
var values = Enum.GetValues(valueType);
var names = Enum.GetNames(valueType);
List <KeyValueModel> enumDict = new List <KeyValueModel>();
for (int it = 0; it < values.Length; it++)
{
var fieldInfo = valueType.GetField(names[it]);
var descAttr = AttributeHelper.GetAttribute <DescriptionAttribute>(fieldInfo);
if (descAttr == null)
{
throw new Exception("枚举必须要有Description");
}
int key = (int)values.GetValue(it);
enumDict.Add(new KeyValueModel()
{
Id = key,
Name = descAttr.Description
});
}
Model model = new Model();
model.Fields.Add(new ModelField("Id", ModelFieldType.Int));
model.Fields.Add(new ModelField("Name", ModelFieldType.String));
store.Model.Add(model);
store.DataSource = enumDict;
store.DataBind();
filter = new ListFilter()
{
StoreID = store.ID,
Single = true,
IDField = "Id",
LabelField = "Name"
};
}
else
{
var filterObject = Activator.CreateInstance(filterAttr.FilterType);
var filterGen = filterObject as ForeignFilterBase;
if (filterGen == null)
{
throw new ArgumentException("FilterAttribute中的FilterType的类型必须为ForeignFilterBase的子类或枚举类型");
}
store.Model.Add(filterGen.GetModel());
store.DataSource = filterGen.GetData();
store.DataBind();
filter = new ListFilter()
{
StoreID = store.ID,
Single = true,
IDField = filterGen.IdField,
LabelField = filterGen.LabelField
};
}
Bin.Add(store);
}
#endregion
base2.Text = (displayAttr == null) ? property.Name : displayAttr.DisplayName;
base2.DataIndex = property.Name;
if (displayAttr != null && displayAttr.Width != -1)
{
base2.Width = displayAttr.Width;
}
if (displayAttr != null && displayAttr.ValueType != null)
{
Type valueType = displayAttr.ValueType;
var values = Enum.GetValues(valueType);
var names = Enum.GetNames(valueType);
Dictionary <int, string> enumDict = new Dictionary <int, string>();
List <string> valueList = new List <string>();
for (int it = 0; it < values.Length; it++)
{
var fieldInfo = valueType.GetField(names[it]);
var descAttr = AttributeHelper.GetAttribute <DescriptionAttribute>(fieldInfo);
int key = (int)values.GetValue(it);
enumDict.Add(key, descAttr.Description);
valueList.Add("values[" + key + "]=\"" + (descAttr != null ? descAttr.Description : names[it]) + "\";");
}
base2.Renderer.Fn = "function(){var values=Array();" + string.Join(string.Empty, valueList) + "return values[arguments[0]];}";
}
if (filter != null)
{
filter.DataIndex = property.Name;
filters.Filters.Add(filter);
}
column = base2;
this.ColumnModel.Columns.Add(base2);
}
column.TabIndex = (short)i;
}
Features.Add(filters);
if (this.ColumnModel.Columns.Count >= 10)
{
this.AutoScroll = true;
}
var list = ColumnModel.Columns.OrderBy(x => x.TabIndex).ToList();
ColumnModel.Columns.Clear();
ColumnModel.Columns.AddRange(list);
this._store.Model.Add(item);
}
}
public void SetUp()
{
_column = new ColumnBuilder().Build();
_filter = new BooleanFilter(_column, false, false, false);
}
public void SetFilter(string fieldName, BooleanFilter filterType)
{
SetFilter(fieldName, filterType, true, null);
}
public virtual async Task <SearchResult> AutoCompleteAsync(string prefix, int languageId = -1, int maxResult = 10, SearchResultSortType orderBy = SearchResultSortType.LastUpDate)
{
var result = new SearchResult();
if (string.IsNullOrWhiteSpace(prefix))
{
return(result);
}
prefix = prefix.Trim();
//replace multiple spaces with a single space
RegexOptions options = RegexOptions.None;
Regex regex = new Regex("[ ]{2,}", options);
prefix = regex.Replace(prefix, " ");
var watch = new System.Diagnostics.Stopwatch();
watch.Start();
try
{
await Task.Run(() =>
{
using (var directory = FSDirectory.Open(new DirectoryInfo(_indexFilesPath)))
{
using (var searcher = new IndexSearcher(directory, readOnly: true))
{
BooleanFilter filter = null;
if (languageId > -1)
{
filter = new BooleanFilter();
filter.Add(new FilterClause(
new QueryWrapperFilter(new TermQuery(new Term("LanguageId",
languageId.ToString()))),
Occur.MUST));
}
Sort sort = new Sort(SortField.FIELD_SCORE);
switch (orderBy)
{
case SearchResultSortType.NumberOfVisits:
sort = new Sort(new SortField("NumberOfVisit", SortField.INT, true));
break;
case SearchResultSortType.PublishDate:
sort = new Sort(new SortField("PublishDate", SortField.LONG, true));
break;
case SearchResultSortType.LastUpDate:
sort = new Sort(new SortField("LastUpDate", SortField.LONG, true));
break;
}
var analyzer = new StandardAnalyzer(Version);
var parser = new QueryParser(Version, "Title", analyzer);
var query = ParseQuery(prefix.Replace(" ", "*") + "*", parser);
var hits = searcher.Search(query, filter, maxResult, sort).ScoreDocs;
foreach (var scoreDoc in hits)
{
var doc = searcher.Doc(scoreDoc.Doc);
result.Documents.Add(new SearchResultDocument()
{
DocumentId = int.Parse(doc.Get("ID")),
LanguageId = int.Parse(doc.Get("LanguageId")),
LanguageIsoCode = doc.Get("LanguageCode"),
Score = scoreDoc.Score,
DocumentTitle = doc.Get("Title"),
DocumentBody = doc.Get("Description"),
DocumentKeywords = doc.Get("Keywords"),
DocumentTags = doc.Get("Tags"),
});
}
result.Documents = result.Documents.DistinctBy(p => new { p.DocumentId })
.ToList();
}
}
});
}
catch (Exception ex)
{
result.Error = ex;
result.HasError = true;
}
watch.Stop();
result.ElapsedMilliseconds = watch.ElapsedMilliseconds;
return(result);
}
public BooleanFilterViewModel(ICommandBus commandBus, BooleanFilter filter)
: base(commandBus, filter)
{
_filter = filter;
}
/// <summary>
/// Creates the query.
/// </summary>
/// <param name="field">The field.</param>
/// <param name="value">The value.</param>
/// <returns></returns>
public static Filter CreateQuery(string field, CategoryFilterValue value)
{
var query = new BooleanFilter();
if (!String.IsNullOrEmpty(value.Outline))
{
// workaround since there is no wildcard filter in current lucene version
var outline = value.Outline.TrimEnd('*');
var nodeQuery = new PrefixFilter(new Term(field, outline.ToLower()));
query.Add(new FilterClause(nodeQuery, Occur.MUST));
}
return query;
}
JobAdSearchResults IJobAdSearchService.SearchSuggested(Guid?memberId, JobAdSearchQuery searchQuery)
{
const string method = "GetSuggestedJobs";
try
{
if (memberId == null)
{
return(new JobAdSearchResults());
}
var reader = GetReader();
var searcher = new Searcher(reader);
var member = _membersQuery.GetMember(memberId.Value);
var candidate = _candidatesQuery.GetCandidate(memberId.Value);
if (member == null || candidate == null || candidate.ResumeId == null)
{
return(new JobAdSearchResults());
}
var resume = _resumesQuery.GetResume(candidate.ResumeId.Value);
//Get a MLT query based on the candidate's details
var mlt = new MoreLikeThis(reader, CreateSimilarity());
mlt.setAnalyzer(_contentAnalyzer);
mlt.setMaxNumTokensParsed(10000); //increase for long resumes
mlt.setFieldNames(new[] { FieldName.Content });
mlt.setMinWordLen(3); //exclude UK, BBC and the like
mlt.setMaxQueryTerms(20);
//mlt.setBoost(true);
var candidateMltQuery = GetCandidateMltQuery(mlt, candidate, resume, method);
mlt.setFieldNames(new[] { FieldName.Title });
var candidateTitleMltQuery = GetCandidateMltQuery(mlt, candidate, resume, method);
#region Log
if (EventSource.IsEnabled(Event.Trace))
{
EventSource.Raise(Event.Trace, method, "Candidate MLT Query",
Event.Arg("Query",
candidateMltQuery == null ? "null" : candidateMltQuery.toString()));
EventSource.Raise(Event.Trace, method, "Candidate Title MLT Query",
Event.Arg("Query",
candidateTitleMltQuery == null
? "null"
: candidateTitleMltQuery.toString()));
}
#endregion
var mltQueries = new BooleanQuery(); // Up to 3 MLT queries ORed together
var titleQueries = new BooleanQuery();
// (Optionally) Desired Job Title and up to 3 job titles ORed together
var combinedFilter = new BooleanFilter();
// Filtering including exclusion of past applications and salary, location, etc.
var combinedQuery = new BooleanQuery(); // mltQueries and titleQueries ANDed together
if (candidateMltQuery != null)
{
mltQueries.add(candidateMltQuery, BooleanClause.Occur.SHOULD);
}
if (candidateTitleMltQuery != null)
{
mltQueries.add(candidateTitleMltQuery, BooleanClause.Occur.SHOULD);
}
//Get a MLT query based on the candidate's past 3 months of applications
var jobAdIds = (from a in _memberApplicationsQuery.GetApplications(member.Id)
where a.CreatedTime >= DateTime.Now.AddMonths(-3)
select a.PositionId).ToList();
if (jobAdIds.Any())
{
mlt.setFieldNames(new[] { FieldName.Content });
var applicationsMltQuery = GetApplicationsMltQuery(mlt, jobAdIds);
if (applicationsMltQuery != null)
{
mltQueries.add(applicationsMltQuery, BooleanClause.Occur.SHOULD);
}
#region Log
if (EventSource.IsEnabled(Event.Trace))
{
EventSource.Raise(Event.Trace, method, "Applications MLT Query",
Event.Arg("Query",
applicationsMltQuery == null
? "null"
: applicationsMltQuery.toString()));
}
#endregion
// ensure the jobs that have already been applied for are not in the results
var idFilter = new SpecialsFilter(SearchFieldName.Id, false,
jobAdIds.Select(id => id.ToFieldValue()));
combinedFilter.add(new FilterClause(idFilter, BooleanClause.Occur.MUST_NOT));
#region Log
if (EventSource.IsEnabled(Event.Trace))
{
EventSource.Raise(Event.Trace, method, "Combined Filter #1",
Event.Arg("Query", combinedFilter.toString()));
}
#endregion
}
if (mltQueries.getClauses().Any())
{
combinedQuery.add(new BooleanClause(mltQueries, BooleanClause.Occur.SHOULD));
}
// now add in additional weighting data from the candidate's profile
if (!string.IsNullOrEmpty(candidate.DesiredJobTitle))
{
//Boost the DesiredJobTitle above the rest of the terms
var jobTitleExpression =
Expression.Parse(Expression.StripOperatorsAndBrackets(candidate.DesiredJobTitle),
ModificationFlags.AllowShingling);
// First match on title
var boostQuery =
_indexer.GetQuery(new JobAdSearchQuery
{
AdTitle = jobTitleExpression, IncludeSynonyms = true
});
boostQuery.setBoost(1.5F);
titleQueries.add(boostQuery, BooleanClause.Occur.SHOULD);
// Also match general content
//boostQuery = _indexer.GetLuceneQuery(new JobAdSearchQuery {Keywords = jobTitleExpression, IncludeSynonyms = true});
//boostQuery.setBoost(1.3F);
//titleQueries.add(boostQuery, BooleanClause.Occur.SHOULD);
#region Log
if (EventSource.IsEnabled(Event.Trace))
{
EventSource.Raise(Event.Trace, method, "Combined Query #1",
Event.Arg("Query", combinedQuery.toString()));
}
#endregion
}
if (resume.Jobs != null)
{
foreach (var jobTitle in resume.Jobs.Select(j => j.Title).Take(3))
{
if (string.IsNullOrEmpty(jobTitle))
{
continue;
}
var jobTitleExpression = Expression.Parse(Expression.StripOperatorsAndBrackets(jobTitle),
ModificationFlags.AllowShingling);
// First match on title
var boostQuery =
_indexer.GetQuery(new JobAdSearchQuery
{
AdTitle = jobTitleExpression, IncludeSynonyms = true
});
boostQuery.setBoost(1.2F);
titleQueries.add(boostQuery, BooleanClause.Occur.SHOULD);
// Also match general content
//boostQuery = _indexer.GetLuceneQuery(new JobAdSearchQuery { Keywords = jobTitleExpression, IncludeSynonyms = true });
//boostQuery.setBoost(1.1F);
//titleQueries.add(boostQuery, BooleanClause.Occur.SHOULD);
// Also match general content
//boostQuery = _indexer.GetLuceneQuery(new JobAdSearchQuery { Keywords = jobTitleExpression, IncludeSynonyms = true });
//boostQuery.setBoost(1.1F);
//combinedQuery.add(boostQuery, BooleanClause.Occur.SHOULD);
}
}
// now combine the queries
if (mltQueries.getClauses().Any())
{
combinedQuery.add(new BooleanClause(mltQueries, BooleanClause.Occur.SHOULD));
}
if (titleQueries.getClauses().Any())
{
combinedQuery.add(new BooleanClause(titleQueries, BooleanClause.Occur.MUST));
}
#region Log
if (EventSource.IsEnabled(Event.Trace))
{
EventSource.Raise(Event.Trace, method, "Combined Query #2",
Event.Arg("Query", combinedQuery.toString()));
}
#endregion
searchQuery.Salary = candidate.DesiredSalary == null
? null
: candidate.DesiredSalary.Clone();
searchQuery.ExcludeNoSalary = false;
searchQuery.Location = member.Address.Location;
searchQuery.Distance = 50;
searchQuery.JobTypes = candidate.DesiredJobTypes;
searchQuery.Relocations = candidate.RelocationPreference != RelocationPreference.No && candidate.RelocationLocations != null
? candidate.RelocationLocations = candidate.RelocationLocations.ToArray()
: null;
//Add salary, job type, location restriction & (optionally) last run time
var filter = _indexer.GetFilter(searchQuery, null, null);
// combine salary, etc. filter with the excluded job ads
combinedFilter.add(new FilterClause(filter, BooleanClause.Occur.MUST));
// exclude blocked jobs
var excludedIds = _jobAdActivityFiltersQuery.GetExcludeJobAdIds(member, searchQuery);
if (excludedIds != null && excludedIds.Count > 0)
{
combinedFilter.add(new FilterClause(new SpecialsFilter(SearchFieldName.Id, true, excludedIds.Select(id => id.ToFieldValue())), BooleanClause.Occur.MUST));
}
#region Log
if (EventSource.IsEnabled(Event.Trace))
{
EventSource.Raise(Event.Trace, method, "Combined Filter #2",
Event.Arg("Query", combinedFilter.toString()));
}
#endregion
var searchResults = searcher.Search(combinedQuery, combinedFilter, null, null, searchQuery.Skip, searchQuery.Take ?? reader.maxDoc(), false);
#region Log
if (EventSource.IsEnabled(Event.Trace))
{
EventSource.Raise(Event.Trace, method, "MLT Results",
Event.Arg("Results Count", searchResults == null ? 0 : searchResults.JobAdIds.Count));
}
#endregion
return(searchResults);
}
catch (Exception e)
{
#region Log
EventSource.Raise(Event.Error, method, "Unexpected exception.", e);
#endregion
throw;
}
}
/// <summary>
/// Creates the price range query.
/// </summary>
/// <param name="priceLists">The price lists.</param>
/// <param name="index">The index.</param>
/// <param name="field">The field.</param>
/// <param name="currency">The currency.</param>
/// <param name="lowerbound">The lowerbound.</param>
/// <param name="upperbound">The upperbound.</param>
/// <param name="lowerboundincluded">
/// if set to <c>true</c> [lowerboundincluded].
/// </param>
/// <param name="upperboundincluded">
/// if set to <c>true</c> [upperboundincluded].
/// </param>
/// <returns></returns>
private static BooleanFilter CreatePriceRangeQuery(
string[] priceLists,
int index,
string field,
string currency,
string lowerbound,
string upperbound,
bool lowerboundincluded,
bool upperboundincluded)
{
var query = new BooleanFilter();
// create left part
var filter =
new TermRangeFilter(
String.Format("{0}_{1}_{2}", field, currency, priceLists[index - 1].ToLower()),
"*",
"*",
true,
false);
var leftClause = new FilterClause(filter, Occur.MUST_NOT);
query.Add(leftClause);
// create right part
if (index == priceLists.Count()) // last element
{
//var rangefilter = NumericRangeFilter.;
var filter2 =
new TermRangeFilter(
String.Format("{0}_{1}_{2}", field, currency, priceLists[index - 1].ToLower()),
lowerbound,
upperbound,
lowerboundincluded,
upperboundincluded);
var rightClause = new FilterClause(filter2, Occur.MUST);
query.Add(rightClause);
}
else
{
query.Add(new FilterClause(
CreatePriceRangeQuery(
priceLists,
index + 1,
field,
currency,
lowerbound,
upperbound,
lowerboundincluded,
upperboundincluded),
Occur.SHOULD));
}
return query;
}
JobAdSearchResults IJobAdSearchService.SearchSimilar(Guid?memberId, Guid jobAdId, JobAdSearchQuery searchQuery)
{
const string method = "GetSimilarJobs";
try
{
var reader = GetReader();
var searcher = new Searcher(reader);
var docId = searcher.Fetch(jobAdId);
// If the job ad cannot be found then return no results.
if (docId == -1)
{
return(new JobAdSearchResults());
}
var jobAd = _jobAdsQuery.GetJobAd <JobAd>(jobAdId);
if (jobAd == null)
{
return(new JobAdSearchResults());
}
// Look for more like this.
var mlt = new MoreLikeThis(reader);
mlt.setAnalyzer(_contentAnalyzer);
mlt.setFieldNames(new [] { FieldName.Content, FieldName.Title });
var query = mlt.like(docId);
//query = new SeniorityIndexHandler().GetQuery(query, new JobAdSearchQuery {SeniorityIndex = jobAd.SeniorityIndex});
// Ensure the initial job is not in the results.
var searchFilter = new BooleanFilter();
searchFilter.add(new FilterClause(new SpecialsFilter(SearchFieldName.Id, false, new[] { jobAdId.ToFieldValue() }), BooleanClause.Occur.MUST_NOT));
// Add salary and location restriction.
var filter = _indexer.GetFilter(
new JobAdSearchQuery
{
Salary = FudgeSalary(jobAd.Description.Salary),
ExcludeNoSalary = true,
Location = jobAd.Description.Location,
Distance = 50,
},
null,
null);
searchFilter.add(new FilterClause(filter, BooleanClause.Occur.MUST));
return(searcher.Search(query, searchFilter, null, null, searchQuery.Skip, searchQuery.Take ?? reader.maxDoc(), false));
}
catch (Exception e)
{
#region Log
EventSource.Raise(Event.Error, method, "Unexpected exception.", e);
#endregion
throw;
}
}
/// <summary>
/// Creates the query.
/// </summary>
/// <param name="field">The field.</param>
/// <param name="value">The value.</param>
/// <returns></returns>
public static Filter CreateQuery(ISearchCriteria criteria, string field, RangeFilterValue value)
{
var query = new BooleanFilter();
object lowerbound = value.Lower;
object upperbound = value.Upper;
const bool lowerboundincluded = true;
const bool upperboundincluded = false;
var currency = criteria.Currency.ToLower();
var upper = upperbound == null ? NumericUtils.LongToPrefixCoded(long.MaxValue) : ConvertToSearchable(upperbound);
// format is "fieldname_store_currency_pricelist"
string[] pls = null;
var searchCriteria = criteria as CatalogItemSearchCriteria;
if (searchCriteria != null)
{
pls = searchCriteria.Pricelists;
}
var parentPriceList = String.Empty;
// Create filter of type
// price_USD_pricelist1:[100 TO 200} (-price_USD_pricelist1:[* TO *} +(price_USD_pricelist2:[100 TO 200} (-price_USD_pricelist2:[* TO *} (+price_USD_pricelist3[100 TO 200}))))
if (pls == null || !pls.Any())
{
return null;
}
var priceListId = pls[0].ToLower();
var filter = new TermRangeFilter(
String.Format("{0}_{1}_{2}", field, currency, priceListId),
ConvertToSearchable(lowerbound),
upper,
lowerboundincluded,
upperboundincluded);
query.Add(new FilterClause(filter, Occur.SHOULD));
if (pls.Count() > 1)
{
var q = CreatePriceRangeQuery(
pls,
1,
field,
currency,
ConvertToSearchable(lowerbound),
upper,
lowerboundincluded,
upperboundincluded);
query.Add(new FilterClause(q, Occur.SHOULD));
}
return query;
}
/// <summary>
/// Searches the index.
/// </summary>
/// <param name="totalHits">The total hits.</param>
/// <param name="forumId">The forum identifier.</param>
/// <param name="userId">The user identifier.</param>
/// <param name="searchQuery">The search query.</param>
/// <param name="searchField">The search field.</param>
/// <param name="pageIndex">Index of the page.</param>
/// <param name="pageSize">Size of the page.</param>
/// <returns>
/// Returns the Search results
/// </returns>
private List <SearchMessage> SearchIndex(
out int totalHits,
int forumId,
int userId,
string searchQuery,
string searchField = "",
int pageIndex = 1,
int pageSize = 1000)
{
if (searchQuery.Replace("*", string.Empty).Replace("?", string.Empty).IsNotSet())
{
totalHits = 0;
return(new List <SearchMessage>());
}
// Insert forum access here
var userAccessList = this.GetRepository <vaccess>().Get(v => v.UserID == userId);
// filter forum
if (forumId > 0)
{
userAccessList = userAccessList.FindAll(v => v.ForumID == forumId);
}
var searcher = this.GetSearcher();
if (searcher == null)
{
totalHits = 0;
return(new List <SearchMessage>());
}
var hitsLimit = this.Get <BoardSettings>().ReturnSearchMax;
// 0 => Lucene error;
if (hitsLimit == 0)
{
hitsLimit = pageSize;
}
var analyzer = new StandardAnalyzer(MatchVersion);
var formatter = new SimpleHTMLFormatter("<mark>", "</mark>");
var fragmenter = new SimpleFragmenter(hitsLimit);
QueryScorer scorer;
// search by single field
if (searchField.IsSet())
{
var parser = new QueryParser(MatchVersion, searchField, analyzer);
var query = ParseQuery(searchQuery, parser);
scorer = new QueryScorer(query);
var hits = searcher.Search(query, hitsLimit).ScoreDocs;
totalHits = hits.Length;
var highlighter = new Highlighter(formatter, scorer)
{
TextFragmenter = fragmenter
};
var results = this.MapSearchToDataList(
highlighter,
analyzer,
searcher,
hits,
pageIndex,
pageSize,
userAccessList);
analyzer.Dispose();
return(results);
}
else
{
var parser = new MultiFieldQueryParser(
MatchVersion,
new[]
{
"Message", "Topic",
this.Get <BoardSettings>().EnableDisplayName ? "AuthorDisplay" : "Author", "TopicTags"
},
analyzer);
var query = ParseQuery(searchQuery, parser);
scorer = new QueryScorer(query);
// sort by date
var sort = new Sort(new SortField("MessageId", SortFieldType.STRING, true));
var fil = new BooleanFilter();
// search this forum
if (forumId > 0)
{
fil.Add(new FilterClause(new TermsFilter(new Term("ForumId", forumId.ToString())), Occur.SHOULD));
}
else
{
// filter user access
if (userAccessList.Any())
{
userAccessList.Where(a => !a.ReadAccess).ForEach(
access => fil.Add(
new FilterClause(
new TermsFilter(new Term("ForumId", access.ForumID.ToString())),
Occur.MUST_NOT)));
}
}
var hits = searcher.Search(query, fil.Any() ? fil : null, hitsLimit, sort).ScoreDocs;
totalHits = hits.Length;
var highlighter = new Highlighter(formatter, scorer)
{
TextFragmenter = fragmenter
};
var results = this.MapSearchToDataList(
highlighter,
analyzer,
searcher,
hits,
pageIndex,
pageSize,
userAccessList);
this.searcherManager.Release(searcher);
return(results);
}
}
public async Task <AdminSearchResult> SearchContent(AdminSearchContext searchContext)
{
var searchResult = new AdminSearchResult();
await _luceneIndexProvider.SearchAsync(searchContext.Index, async searcher =>
{
Query query;
if (string.IsNullOrWhiteSpace(searchContext.SearchTerm))
{
query = new MatchAllDocsQuery();
}
else
{
var luceneVersion = LuceneSettings.DefaultVersion;
var analyzer = new StandardAnalyzer(luceneVersion);
var multiFieldQuery = new MultiFieldQueryParser(luceneVersion, searchContext.IndexFieldsToSearch, analyzer);
query = multiFieldQuery.Parse(QueryParserBase.Escape(searchContext.SearchTerm));
}
searchContext.PageNumber -= 1;
var start = searchContext.PageNumber * searchContext.PageSize;
var end = searchContext.PageNumber * searchContext.PageSize + searchContext.PageSize;
var collector = TopScoreDocCollector.Create(end, true);
var filter = new BooleanFilter();
if (searchContext.ContentTypes.Any())
{
filter.Add(new FieldCacheTermsFilter("Content.ContentItem.ContentType", searchContext.ContentTypes), Occur.MUST);
}
if (searchContext.Filters != null && searchContext.Filters.Any())
{
await _searchFilters.InvokeAsync(x => x.Filter(searchContext, filter), null);
}
if (filter.Any())
{
searcher.Search(query, filter, collector);
}
else
{
searcher.Search(query, collector);
}
var docs = collector.GetTopDocs(start, end);
searchResult.TotalRecordCount = docs.TotalHits;
var contentItemIds = docs.ScoreDocs.Select(hit =>
{
var doc = searcher.Doc(hit.Doc);
return(doc.GetField("ContentItemId").GetStringValue());
});
searchResult.ContentItems = await _contentManager.GetAsync(contentItemIds);
});
return(searchResult);
}
public virtual async Task <SearchResult> SearchAsync(string term,
int?filterByCategory = null,
int languageId = -1,
PostType?postType = null,
SearchPlace searchPlace = SearchPlace.Anywhere,
SearchResultSortType orderBy = SearchResultSortType.Score,
int maxResult = 1000,
bool exactSearch = false)
{
var result = new SearchResult();
term = term.Trim();
//replace multiple spaces with a single space
RegexOptions options = RegexOptions.None;
Regex regex = new Regex("[ ]{2,}", options);
term = regex.Replace(term, " ");
if (string.IsNullOrWhiteSpace(term))
{
return(result);
}
var watch = new System.Diagnostics.Stopwatch();
watch.Start();
try
{
await Task.Run(() =>
{
using (var directory = FSDirectory.Open(new DirectoryInfo(_indexFilesPath)))
{
using (var searcher = new IndexSearcher(directory, readOnly: true))
{
var searchInFields = new List <string>();
if (searchPlace == SearchPlace.Anywhere)
{
searchInFields.AddRange(new string[] { "Title", "Description", "Keywords", "Tags" });
}
else
{
if (searchPlace.HasFlagFast(SearchPlace.Title))
{
searchInFields.Add("Title");
}
if (searchPlace.HasFlagFast(SearchPlace.Description))
{
searchInFields.Add("Description");
}
if (searchPlace.HasFlagFast(SearchPlace.Keywords))
{
searchInFields.Add("Keywords");
}
if (searchPlace.HasFlagFast(SearchPlace.Tags))
{
searchInFields.Add("Tags");
}
}
BooleanFilter filter = null;
if (languageId > -1 || filterByCategory != null || postType != null)
{
filter = new BooleanFilter();
if (languageId > -1)
{
filter.Add(new FilterClause(
new QueryWrapperFilter(new TermQuery(new Term("LanguageId", languageId.ToString()))),
Occur.MUST));
}
if (filterByCategory != null)
{
filter.Add(new FilterClause(
new QueryWrapperFilter(new TermQuery(new Term("Categories",
filterByCategory.Value.ToString()))), Occur.MUST));
}
if (postType != null)
{
filter.Add(new FilterClause(
new QueryWrapperFilter(new TermQuery(new Term("PostType",
postType.Value.ToString()))), Occur.MUST));
}
}
var currentSettings = _settingService.LoadSetting <SiteSettings>();
if (!currentSettings.EnableBlog)
{
//Filter Blog Posts if Blog is disabled
if (filter == null)
{
filter = new BooleanFilter();
}
filter.Add(new FilterClause(
new QueryWrapperFilter(new TermQuery(new Term("PostType",
PostType.BlogPost.ToString()))), Occur.MUST_NOT));
}
Sort sort = new Sort(SortField.FIELD_SCORE);
switch (orderBy)
{
case SearchResultSortType.NumberOfVisits:
sort = new Sort(new SortField("NumberOfVisit", SortField.INT, true));
break;
case SearchResultSortType.PublishDate:
sort = new Sort(new SortField("PublishDate", SortField.LONG, true));
break;
case SearchResultSortType.LastUpDate:
sort = new Sort(new SortField("LastUpDate", SortField.LONG, true));
break;
}
var analyzer = new StandardAnalyzer(Version);
var parser = new MultiFieldQueryParser(Version, searchInFields.ToArray(), analyzer);
QueryScorer scorer = null;
var hits = new List <ScoreDoc>();
Query query = null;
if (exactSearch)
{
query = ParseQuery(term, parser);
hits.AddRange(searcher.Search(query, filter, maxResult, sort).ScoreDocs);
}
else
{
query = ParseQuery($"(\"{term}\")", parser);
hits.AddRange(searcher.Search(query, filter, maxResult, sort).ScoreDocs);
query = ParseQuery($"({term.Replace(" ", "*")})", parser);
hits.AddRange(searcher.Search(query, filter, maxResult, sort).ScoreDocs);
query = ParseQuery($"(+{term.Trim().Replace(" ", " +")})", parser);
hits.AddRange(searcher.Search(query, filter, maxResult, sort).ScoreDocs);
query = ParseQuery(term, parser);
hits.AddRange(searcher.Search(query, filter, maxResult, sort).ScoreDocs);
}
scorer = new QueryScorer(query);
if (hits.Count == 0)
{
term = SearchByPartialWords(term);
query = ParseQuery(term, parser);
scorer = new QueryScorer(query);
hits.AddRange(searcher.Search(query, filter, maxResult, sort).ScoreDocs);
}
var formatter = new SimpleHTMLFormatter(
"<span class='badge badge-warning'>",
"</span>");
var fragmenter = new SimpleFragmenter(300);
var highlighter = new Highlighter(formatter, scorer)
{
TextFragmenter = fragmenter
};
foreach (var scoreDoc in hits)
{
var doc = searcher.Doc(scoreDoc.Doc);
result.Documents.Add(new SearchResultDocument()
{
DocumentId = int.Parse(doc.Get("ID")),
LanguageId = int.Parse(doc.Get("LanguageId")),
LanguageIsoCode = doc.Get("LanguageCode"),
Score = scoreDoc.Score,
DocumentTitle = GetHighlight("Title", highlighter, analyzer, doc.Get("Title"), false),
DocumentBody = GetHighlight("Description", highlighter, analyzer, doc.Get("Description"), true),
DocumentKeywords = doc.Get("Keywords"),
DocumentTags = doc.Get("Tags"),
});
}
result.Documents = result.Documents.DistinctBy(p => new { p.DocumentId })
.ToList();
analyzer.Close();
//SuggestSimilar
using (var spellDirectory = FSDirectory.Open(new DirectoryInfo(_spellFilesPath)))
{
using (var spellChecker = new SpellChecker.Net.Search.Spell.SpellChecker(spellDirectory))
{
result.SuggestSimilar.AddRange(spellChecker.SuggestSimilar(term, 10, null, null, true));
}
}
}
}
});
}
catch (Exception ex)
{
result.Error = ex;
result.HasError = true;
}
watch.Stop();
result.ElapsedMilliseconds = watch.ElapsedMilliseconds;
_eventPublisher.Publish(new SearchEvent(term, filterByCategory, languageId, postType, searchPlace, maxResult, result));
return(result);
}
public void TestEmpty()
{
BooleanFilter booleanFilter = new BooleanFilter();
TstFilterCard(@"empty BooleanFilter returns no results", 0, booleanFilter);
}
/// <summary>
/// Given a latitude and longitude (in degrees) and the
/// maximum great circle (surface of the earth) distance,
/// returns a simple Filter bounding box to "fast match"
/// candidates.
/// </summary>
public static Filter GetBoundingBoxFilter(double originLat, double originLng, double maxDistanceKM)
{
// Basic bounding box geo math from
// http://JanMatuschek.de/LatitudeLongitudeBoundingCoordinates,
// licensed under creative commons 3.0:
// http://creativecommons.org/licenses/by/3.0
// TODO: maybe switch to recursive prefix tree instead
// (in lucene/spatial)? It should be more efficient
// since it's a 2D trie...
// Degrees -> Radians:
double originLatRadians = originLat.ToRadians();
double originLngRadians = originLng.ToRadians();
double angle = maxDistanceKM / (SloppyMath.EarthDiameter(originLat) / 2.0);
double minLat = originLatRadians - angle;
double maxLat = originLatRadians + angle;
double minLng;
double maxLng;
if (minLat > -90.ToRadians() && maxLat < 90.ToRadians())
{
double delta = Math.Asin(Math.Sin(angle) / Math.Cos(originLatRadians));
minLng = originLngRadians - delta;
if (minLng < -180.ToRadians())
{
minLng += 2 * Math.PI;
}
maxLng = originLngRadians + delta;
if (maxLng > 180.ToRadians())
{
maxLng -= 2 * Math.PI;
}
}
else
{
// The query includes a pole!
minLat = Math.Max(minLat, -90.ToRadians());
maxLat = Math.Min(maxLat, 90.ToRadians());
minLng = -180.ToRadians();
maxLng = 180.ToRadians();
}
BooleanFilter f = new BooleanFilter();
// Add latitude range filter:
f.Add(NumericRangeFilter.NewDoubleRange("latitude", minLat.ToDegrees(), maxLat.ToDegrees(), true, true),
Occur.MUST);
// Add longitude range filter:
if (minLng > maxLng)
{
// The bounding box crosses the international date
// line:
BooleanFilter lonF = new BooleanFilter();
lonF.Add(NumericRangeFilter.NewDoubleRange("longitude", minLng.ToDegrees(), null, true, true),
Occur.SHOULD);
lonF.Add(NumericRangeFilter.NewDoubleRange("longitude", null, maxLng.ToDegrees(), true, true),
Occur.SHOULD);
f.Add(lonF, Occur.MUST);
}
else
{
f.Add(NumericRangeFilter.NewDoubleRange("longitude", minLng.ToDegrees(), maxLng.ToDegrees(), true, true),
Occur.MUST);
}
return(f);
}
private void InitComponent(GridPanelInfo panel, List <GridPanelColumnInfo> columnList)
{
if (panel.DisplayRowNumber)
{
RowNumbererColumn stt = new RowNumbererColumn();
stt.Header = "STT";
GridPanel1.ColumnModel.Columns.Add(stt);
}
if (panel.Header == false)
{
GridPanel1.Title = "";
}
else
{
GridPanel1.Title = panel.Title;
}
if (!string.IsNullOrEmpty(panel.AutoExpandColumn))
{
columnList = GridController.GetInstance().GetColumnInfo(this.ID, TableName, 1);
if (columnList.Count() != 0)
{
if (columnList.Where(p => p.ColumnName == panel.AutoExpandColumn).FirstOrDefault() != null)
{
GridPanel1.AutoExpandColumn = panel.AutoExpandColumn;
}
}
else
{
datatable = DataController.DataHandler.GetInstance().ExecuteDataTable("select top 1 * from " + TableName);
foreach (DataColumn item in datatable.Columns)
{
if (item.ColumnName == panel.AutoExpandColumn)
{
GridPanel1.AutoExpandColumn = panel.AutoExpandColumn;
break;
}
}
}
}
this.PrimaryKey = Util.GetInstance().GetPrimaryKeyOfTable(panel.TableName);
// Store1.AutoLoadParams.Add(new Ext.Net.Parameter("limit", panel.PageSize.ToString()));
//sHdfgridName.Value = this.ID.ToString();
//sHdftable.Value = this.TableName;
//sHdfPrimaryKey.Value = panel.PrimaryColumn;
//sHdfwhere.Value = panel.WhereClause.Replace("where", "");
//if (this.Height != 0)
// GridPanel1.Height = this.Height;
//else
// GridPanel1.Height = panel.Height.Value;
//if (this.Width != 0)
// GridPanel1.Width = this.Width;
//else
// GridPanel1.Width = panel.Width.Value;
GenerateListener();
//if (panel.PageSize.HasValue)
// PagingToolbar1.PageSize = panel.PageSize.Value;
//else
// PagingToolbar1.PageSize = 5;
if (!string.IsNullOrEmpty(panel.Icon))
{
GridPanel1.IconCls = panel.Icon;
}
else
{
GridPanel1.Icon = Icon.Table;
}
//set local filter
if (panel.AllowFilter)
{
GridFilters filter = new GridFilters();
filter.Local = true;
filter.FiltersText = "Lọc";
GridPanel1.Plugins.Add(filter);
datatable = DataController.DataHandler.GetInstance().ExecuteDataTable("select top 1 * from " + TableName);
foreach (DataColumn item in datatable.Columns)
{
switch (item.DataType.ToString())
{
case "System.Int32":
NumericFilter numberic = new NumericFilter();
numberic.DataIndex = item.ColumnName;
filter.Filters.Add(numberic);
break;
case "System.Boolean":
BooleanFilter boolean = new BooleanFilter();
boolean.DataIndex = item.ColumnName;
filter.Filters.Add(boolean);
break;
case "System.String":
StringFilter str = new StringFilter();
str.DataIndex = item.ColumnName;
filter.Filters.Add(str);
break;
case "System.DateTime":
DateFilter datefilter = new DateFilter();
datefilter.BeforeText = "Trước ngày";
datefilter.AfterText = "Sau ngày";
datefilter.OnText = "Vào ngày";
datefilter.DataIndex = item.ColumnName;
filter.Filters.Add(datefilter);
break;
}
}
}
}
public virtual SearchResult MoreLikeThis(int postId, int?filterByCategory = null, int languageId = -1, PostType?postType = null, SearchPlace searchPlace = SearchPlace.Title | SearchPlace.Description,
int maxResult = 5, SearchResultSortType orderBy = SearchResultSortType.Score)
{
var result = new SearchResult();
var watch = new System.Diagnostics.Stopwatch();
watch.Start();
try
{
using (var directory = FSDirectory.Open(new DirectoryInfo(_indexFilesPath)))
{
using (var searcher = new IndexSearcher(directory, readOnly: true))
{
var docNumber = GetLuceneDocNumber(postId, searcher);
if (docNumber == -1)
{
return(result);
}
var searchInFields = new List <string>();
if (searchPlace == SearchPlace.Anywhere)
{
searchInFields.AddRange(new string[] { "Title", "Description", "Keywords", "Tags" });
}
else
{
if (searchPlace.HasFlagFast(SearchPlace.Title))
{
searchInFields.Add("Title");
}
if (searchPlace.HasFlagFast(SearchPlace.Description))
{
searchInFields.Add("Description");
}
if (searchPlace.HasFlagFast(SearchPlace.Keywords))
{
searchInFields.Add("Keywords");
}
if (searchPlace.HasFlagFast(SearchPlace.Tags))
{
searchInFields.Add("Tags");
}
}
var analyzer = new StandardAnalyzer(Version);
var moreLikeThis = new MoreLikeThis(searcher.IndexReader)
{
Analyzer = analyzer
};
moreLikeThis.SetFieldNames(searchInFields.ToArray());
moreLikeThis.MinDocFreq = 1;
moreLikeThis.MinTermFreq = 1;
moreLikeThis.Boost = true;
var query = moreLikeThis.Like(docNumber);
var filter = new BooleanFilter();
filter.Add(new FilterClause(
new QueryWrapperFilter(new TermQuery(new Term("ID",
postId.ToString()))),
Occur.MUST_NOT));
if (languageId > -1)
{
filter.Add(new FilterClause(
new QueryWrapperFilter(new TermQuery(new Term("LanguageId",
languageId.ToString()))),
Occur.MUST));
}
if (filterByCategory != null)
{
filter.Add(new FilterClause(
new QueryWrapperFilter(new TermQuery(new Term("Categories",
filterByCategory.Value.ToString()))), Occur.MUST));
}
if (postType != null)
{
filter.Add(new FilterClause(
new QueryWrapperFilter(new TermQuery(new Term("PostType",
postType.Value.ToString()))), Occur.MUST));
}
Sort sort = new Sort(SortField.FIELD_SCORE);
switch (orderBy)
{
case SearchResultSortType.NumberOfVisits:
sort = new Sort(new SortField("NumberOfVisit", SortField.INT, true));
break;
case SearchResultSortType.PublishDate:
sort = new Sort(new SortField("PublishDate", SortField.LONG, true));
break;
case SearchResultSortType.LastUpDate:
sort = new Sort(new SortField("LastUpDate", SortField.LONG, true));
break;
}
var hits = searcher.Search(query, filter, maxResult, sort).ScoreDocs;
foreach (var scoreDoc in hits)
{
var doc = searcher.Doc(scoreDoc.Doc);
result.Documents.Add(new SearchResultDocument()
{
DocumentId = int.Parse(doc.Get("ID")),
LanguageId = int.Parse(doc.Get("LanguageId")),
LanguageIsoCode = doc.Get("LanguageCode"),
Score = scoreDoc.Score,
DocumentTitle = doc.Get("Title"),
DocumentBody = doc.Get("Description"),
DocumentKeywords = doc.Get("Keywords"),
DocumentTags = doc.Get("Tags"),
});
}
result.Documents = result.Documents.DistinctBy(p => new { p.DocumentId })
.ToList();
analyzer.Close();
}
}
}
catch (Exception ex)
{
result.Error = ex;
result.HasError = true;
}
watch.Stop();
result.ElapsedMilliseconds = watch.ElapsedMilliseconds;
return(result);
}
