public ActionResult GetSearchArea(float minX, float minY, float maxX, float maxY, int page = 1, int category = 0, int price = 0)
{
var model = new QuerySource();
var result = new List<LinkItem>();
QueryTerm query = new QueryTerm();
query.MinX = minX;
query.MinY = minY;
query.MaxX = maxX;
query.MaxY = maxY;
if (category != 0)
{
query.MediaCode = category;
query.MediaMaxCode = Utilities.GetMaxCode(category);
}
if (price != 0)
{
query.Price = price;
}
var pageSize = 10;
int totalHits = 0;
SearchFilter sf = new SearchFilter();
sf.PageSize = pageSize;
sf.Skip = (page - 1) * pageSize;
sf.Take = pageSize;
sf.SortProperty = SortProperty.Published;
sf.SortDirection = SortDirection.Descending;
result = OutDoorLuceneService.Search(query, sf, out totalHits);
model.Items = result;
model.TotalCount = totalHits;
model.CurrentPage = page;
model.PageSize = pageSize;
return Json(model, JsonRequestBehavior.AllowGet);
}
private SearchFilter GetSearchFilter(string q, int sortOrder, int descending, int page, int pageSize)
{
var searchFilter = new SearchFilter
{
PageSize = pageSize,
SearchTerm = q,
Skip = (page - 1) * pageSize, // pages are 1-based.
Take = pageSize
};
searchFilter.SortProperty = (SortProperty)sortOrder;
searchFilter.SortDirection = (SortDirection)descending;
return searchFilter;
}
private static Query ParseQuery(QueryTerm queryTerm, SearchFilter searchFilter)
{
var combineQuery = new BooleanQuery();
#region 关键字查询构建
if (!String.IsNullOrWhiteSpace(searchFilter.SearchTerm))
{
var fields = new[] {
OutDoorIndexFields.Title,
OutDoorIndexFields.Description,
OutDoorIndexFields.AreaCate,
OutDoorIndexFields.IndustryCate,
OutDoorIndexFields.CrowdCate,
OutDoorIndexFields.PurposeCate,
OutDoorIndexFields.MediaCateName,
OutDoorIndexFields.CityCateName,
OutDoorIndexFields.FormatName,
OutDoorIndexFields.PeriodName,
OutDoorIndexFields.OwnerName
};
var analyzer = new PanGuAnalyzer();
//var analyzer = new StandardAnalyzer(LuceneCommon.LuceneVersion);
var queryParser = new MultiFieldQueryParser(LuceneCommon.LuceneVersion, fields, analyzer);
var query = queryParser.Parse(searchFilter.SearchTerm);
//conjuction 一起选择
var conjuctionQuery = new BooleanQuery();
conjuctionQuery.Boost = 2.0f;
//disjunction 分离
var disjunctionQuery = new BooleanQuery();
disjunctionQuery.Boost = 0.1f;
//wildCard 通配符
var wildCardQuery = new BooleanQuery();
wildCardQuery.Boost = 0.5f;
var escapedSearchTerm = Escape(searchFilter.SearchTerm);
var exactIdQuery = new TermQuery(new Term(OutDoorIndexFields.Title, escapedSearchTerm));
exactIdQuery.Boost = 2.5f;
var wildCardIdQuery = new WildcardQuery(new Term(OutDoorIndexFields.Title, "*" + escapedSearchTerm + "*"));
foreach (var term in GetSearchTerms(searchFilter.SearchTerm))
{
var termQuery = queryParser.Parse(term);
conjuctionQuery.Add(termQuery, Occur.MUST);
disjunctionQuery.Add(termQuery, Occur.SHOULD);
foreach (var field in fields)
{
var wildCardTermQuery = new WildcardQuery(new Term(field, term + "*"));
wildCardTermQuery.Boost = 0.7f;
wildCardQuery.Add(wildCardTermQuery, Occur.SHOULD);
}
}
//关键查询
var keywordsQuery =
conjuctionQuery.Combine(new Query[] { exactIdQuery, wildCardIdQuery, conjuctionQuery, disjunctionQuery, wildCardQuery });
combineQuery.Add(keywordsQuery, Occur.MUST);
}
#endregion
#region 指定媒体ID查询
if (queryTerm.MediaID != 0)
{
var mediaIdQuery = new TermQuery(new Term(OutDoorIndexFields.ID, queryTerm.MediaID.ToString()));
combineQuery.Add(mediaIdQuery, Occur.MUST);
}
#endregion
#region 用户状态
var memberStatusQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.MemberStatus, (int)MemberStatus.CompanyAuth, 99, true, true);
combineQuery.Add(memberStatusQuery, Occur.MUST);
#endregion
#region 审核状态查询构建
var verifyStatus = NumericRangeQuery.NewIntRange(OutDoorIndexFields.Status, (int)OutDoorStatus.ShowOnline, 99, true, true);
combineQuery.Add(verifyStatus, Occur.MUST);
#endregion
#region 指定用户ID查询
if (queryTerm.MemberID != 0)
{
var memberIdQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.MemberID, queryTerm.MemberID, queryTerm.MemberID, true, true);
combineQuery.Add(memberIdQuery, Occur.MUST);
}
#endregion
#region 城市查询
if (queryTerm.City != 0)
{
var cityQuery = NumericRangeQuery.NewLongRange(OutDoorIndexFields.CityCateCode, queryTerm.CityCateCode, queryTerm.CityMaxCode, true, true);
combineQuery.Add(cityQuery, Occur.MUST);
}
#endregion
#region 认证状态
if (queryTerm.AuthStatus != 0)
{
var authStatusQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.AuthStatus, queryTerm.AuthStatus, queryTerm.AuthStatus, true, true);
combineQuery.Add(authStatusQuery, Occur.MUST);
}
#endregion
#region 经纬度搜索
if (queryTerm.MinX != 0)
{
var latQuery = NumericRangeQuery.NewDoubleRange(OutDoorIndexFields.Lat, queryTerm.MinX, queryTerm.MaxX, true, true);
var lngQuery = NumericRangeQuery.NewDoubleRange(OutDoorIndexFields.Lng, queryTerm.MinY, queryTerm.MaxY, true, true);
combineQuery.Add(latQuery, Occur.MUST);
combineQuery.Add(lngQuery, Occur.MUST);
}
#endregion
#region 媒体类别查询
if (queryTerm.MediaCode != 0)
{
var mediaCodeQuery = NumericRangeQuery.NewLongRange(OutDoorIndexFields.MediaCateCode,
queryTerm.MediaCateCode, queryTerm.MediaMaxCode, true, true);
combineQuery.Add(mediaCodeQuery, Occur.MUST);
}
#endregion
#region 媒体表现形式查询
if (queryTerm.FormatCode != 0)
{
var FormatCodeCodeQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.FormatCode,
queryTerm.FormatCode, queryTerm.FormatCode, true, true);
combineQuery.Add(FormatCodeCodeQuery, Occur.MUST);
}
#endregion
#region 媒体所有权查询
//if (queryTerm.OwnerCode != 0)
//{
// var OwnerCodeCodeQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.OwnerCode,
// queryTerm.OwnerCode, queryTerm.OwnerCode, true, true);
// combineQuery.Add(OwnerCodeCodeQuery, Occur.MUST);
//}
#endregion
#region 媒体购买周期查询
if (queryTerm.PeriodCode != 0)
{
var PeriodCodeCodeQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.PeriodCode,
queryTerm.PeriodCode, queryTerm.PeriodCode, true, true);
combineQuery.Add(PeriodCodeCodeQuery, Occur.MUST);
}
#endregion
#region 媒体价格区间查询
if (queryTerm.Price != 0)
{
var rangeValue = EnumHelper.GetPriceValue(queryTerm.Price);
var PriceQuery = NumericRangeQuery.NewDoubleRange(OutDoorIndexFields.Price,
Convert.ToDouble(rangeValue.Min), Convert.ToDouble(rangeValue.Max), true, true);
combineQuery.Add(PriceQuery, Occur.MUST);
}
#endregion
#region 媒体档期查询
if (queryTerm.DeadLine != 0)
{
var minValue = (DateTime.Now.AddYears(-10)).Ticks;
var maxValue = (new DateTime(DateTime.Now.Year, queryTerm.DeadLine, 1)).Ticks;
var DeadLineQuery = NumericRangeQuery.NewLongRange(OutDoorIndexFields.DeadLine,
Convert.ToInt64(minValue), Convert.ToInt64(maxValue), true, true);
combineQuery.Add(DeadLineQuery, Occur.MUST);
}
#endregion
#region 媒体档期时间查询
if (!string.IsNullOrEmpty(queryTerm.Dq))
{
var minValue = (DateTime.Now.AddYears(-10)).Ticks;
var maxValue = Convert.ToDateTime(queryTerm.Dq).Ticks;
var DqQuery = NumericRangeQuery.NewLongRange(OutDoorIndexFields.DeadLine,
Convert.ToInt64(minValue), Convert.ToInt64(maxValue), true, true);
combineQuery.Add(DqQuery, Occur.MUST);
}
#endregion
return combineQuery;
}
private static SortField GetSortField(SearchFilter searchFilter)
{
switch (searchFilter.SortProperty)
{
case SortProperty.Hit:
return new SortField(OutDoorIndexFields.Hit, SortField.INT, reverse: searchFilter.SortDirection.Equals(SortDirection.Descending));
case SortProperty.Price:
return new SortField(OutDoorIndexFields.Price, SortField.DOUBLE, reverse: searchFilter.SortDirection.Equals(SortDirection.Descending));
case SortProperty.Published:
return new SortField(OutDoorIndexFields.Published, SortField.LONG, reverse: searchFilter.SortDirection.Equals(SortDirection.Descending));
}
return SortField.FIELD_SCORE;
}
public List<LinkItem> Search(QueryTerm queryTerm, SearchFilter searchFilter, out int totalHits)
{
if (!Directory.Exists(LuceneCommon.IndexOutDoorDirectory))
{
totalHits = 0;
return new List<LinkItem>();
}
SortField sortField = GetSortField(searchFilter);
var sortFieldArry = new List<SortField>(){
new SortField(OutDoorIndexFields.SuggestStatus, SortField.INT, reverse: true)
};
sortFieldArry.Add(sortField);
int numRecords = searchFilter.Skip + searchFilter.Take;
using (var directory = new SimpleFSDirectory(new DirectoryInfo(LuceneCommon.IndexOutDoorDirectory)))
{
var searcher = new IndexSearcher(directory, readOnly: true);
var query = ParseQuery(queryTerm, searchFilter);
//var termQuery = new TermQuery(new Term(OutDoorIndexFields.ID, "1"));
var results = searcher.Search(query, filter: null, n: numRecords, sort: new Sort(sortFieldArry.ToArray()));
var keys = results.ScoreDocs.Skip(searchFilter.Skip)
.Select(c => GetMediaItem(searcher.Doc(c.Doc)))
.ToList();
totalHits = results.TotalHits;
searcher.Dispose();
return keys;
}
}
private static Query ParseQuery(QueryTerm queryTerm, SearchFilter searchFilter)
{
var combineQuery = new BooleanQuery();
#region 关键字查询构建
if (!String.IsNullOrWhiteSpace(searchFilter.SearchTerm))
{
var fields = new[] {
OutDoorIndexFields.Title,
OutDoorIndexFields.Description,
OutDoorIndexFields.AreaCate,
OutDoorIndexFields.IndustryCate,
OutDoorIndexFields.CrowdCate,
OutDoorIndexFields.PurposeCate,
OutDoorIndexFields.MediaCateName,
OutDoorIndexFields.CityCateName,
OutDoorIndexFields.FormatName,
OutDoorIndexFields.PeriodName,
OutDoorIndexFields.OwnerName
};
var analyzer = new PanGuAnalyzer();
//var analyzer = new StandardAnalyzer(LuceneCommon.LuceneVersion);
var queryParser = new MultiFieldQueryParser(LuceneCommon.LuceneVersion, fields, analyzer);
var query = queryParser.Parse(searchFilter.SearchTerm);
//conjuction 一起选择
var conjuctionQuery = new BooleanQuery();
conjuctionQuery.Boost = 2.0f;
//disjunction 分离
var disjunctionQuery = new BooleanQuery();
disjunctionQuery.Boost = 0.1f;
//wildCard 通配符
var wildCardQuery = new BooleanQuery();
wildCardQuery.Boost = 0.5f;
var escapedSearchTerm = Escape(searchFilter.SearchTerm);
var exactIdQuery = new TermQuery(new Term(OutDoorIndexFields.Title, escapedSearchTerm));
exactIdQuery.Boost = 2.5f;
var wildCardIdQuery = new WildcardQuery(new Term(OutDoorIndexFields.Title, "*" + escapedSearchTerm + "*"));
foreach (var term in GetSearchTerms(searchFilter.SearchTerm))
{
var termQuery = queryParser.Parse(term);
conjuctionQuery.Add(termQuery, Occur.MUST);
disjunctionQuery.Add(termQuery, Occur.SHOULD);
foreach (var field in fields)
{
var wildCardTermQuery = new WildcardQuery(new Term(field, term + "*"));
wildCardTermQuery.Boost = 0.7f;
wildCardQuery.Add(wildCardTermQuery, Occur.SHOULD);
}
}
//关键查询
var keywordsQuery =
conjuctionQuery.Combine(new Query[] { exactIdQuery, wildCardIdQuery, conjuctionQuery, disjunctionQuery, wildCardQuery });
combineQuery.Add(keywordsQuery, Occur.MUST);
}
#endregion
#region 指定媒体ID查询
if (queryTerm.MediaID != 0)
{
var mediaIdQuery = new TermQuery(new Term(OutDoorIndexFields.ID, queryTerm.MediaID.ToString()));
combineQuery.Add(mediaIdQuery, Occur.MUST);
}
#endregion
#region 用户状态
var memberStatusQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.MemberStatus, (int)MemberStatus.CompanyAuth, 99, true, true);
combineQuery.Add(memberStatusQuery, Occur.MUST);
#endregion
#region 审核状态查询构建
var verifyStatus = NumericRangeQuery.NewIntRange(OutDoorIndexFields.Status, (int)OutDoorStatus.ShowOnline, 99, true, true);
combineQuery.Add(verifyStatus, Occur.MUST);
#endregion
#region 指定用户ID查询
if (queryTerm.MemberID != 0)
{
var memberIdQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.MemberID, queryTerm.MemberID, queryTerm.MemberID, true, true);
combineQuery.Add(memberIdQuery, Occur.MUST);
}
#endregion
#region 城市查询
if (queryTerm.City != 0)
{
var cityQuery = NumericRangeQuery.NewLongRange(OutDoorIndexFields.CityCateCode, queryTerm.CityCateCode, queryTerm.CityMaxCode, true, true);
combineQuery.Add(cityQuery, Occur.MUST);
}
#endregion
#region 认证状态
if (queryTerm.AuthStatus != 0)
{
var authStatusQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.AuthStatus, queryTerm.AuthStatus, queryTerm.AuthStatus, true, true);
combineQuery.Add(authStatusQuery, Occur.MUST);
}
#endregion
#region 经纬度搜索
if (queryTerm.MinX != 0)
{
var latQuery = NumericRangeQuery.NewDoubleRange(OutDoorIndexFields.Lat, queryTerm.MinX, queryTerm.MaxX, true, true);
var lngQuery = NumericRangeQuery.NewDoubleRange(OutDoorIndexFields.Lng, queryTerm.MinY, queryTerm.MaxY, true, true);
combineQuery.Add(latQuery, Occur.MUST);
combineQuery.Add(lngQuery, Occur.MUST);
}
#endregion
#region 媒体类别查询
if (queryTerm.MediaCode != 0)
{
var mediaCodeQuery = NumericRangeQuery.NewLongRange(OutDoorIndexFields.MediaCateCode,
queryTerm.MediaCateCode, queryTerm.MediaMaxCode, true, true);
combineQuery.Add(mediaCodeQuery, Occur.MUST);
}
#endregion
#region 媒体表现形式查询
if (queryTerm.FormatCode != 0)
{
var FormatCodeCodeQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.FormatCode,
queryTerm.FormatCode, queryTerm.FormatCode, true, true);
combineQuery.Add(FormatCodeCodeQuery, Occur.MUST);
}
#endregion
#region 媒体所有权查询
//if (queryTerm.OwnerCode != 0)
//{
// var OwnerCodeCodeQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.OwnerCode,
// queryTerm.OwnerCode, queryTerm.OwnerCode, true, true);
// combineQuery.Add(OwnerCodeCodeQuery, Occur.MUST);
//}
#endregion
#region 媒体购买周期查询
if (queryTerm.PeriodCode != 0)
{
var PeriodCodeCodeQuery = NumericRangeQuery.NewIntRange(OutDoorIndexFields.PeriodCode,
queryTerm.PeriodCode, queryTerm.PeriodCode, true, true);
combineQuery.Add(PeriodCodeCodeQuery, Occur.MUST);
}
#endregion
#region 媒体价格区间查询
if (queryTerm.Price != 0)
{
var rangeValue = EnumHelper.GetPriceValue(queryTerm.Price);
var PriceQuery = NumericRangeQuery.NewDoubleRange(OutDoorIndexFields.Price,
Convert.ToDouble(rangeValue.Min), Convert.ToDouble(rangeValue.Max), true, true);
combineQuery.Add(PriceQuery, Occur.MUST);
}
#endregion
#region 媒体档期查询
if (queryTerm.DeadLine != 0)
{
var minValue = (DateTime.Now.AddYears(-10)).Ticks;
var maxValue = (new DateTime(DateTime.Now.Year, queryTerm.DeadLine, 1)).Ticks;
var DeadLineQuery = NumericRangeQuery.NewLongRange(OutDoorIndexFields.DeadLine,
Convert.ToInt64(minValue), Convert.ToInt64(maxValue), true, true);
combineQuery.Add(DeadLineQuery, Occur.MUST);
}
#endregion
#region 媒体档期时间查询
if (!string.IsNullOrEmpty(queryTerm.Dq))
{
var minValue = (DateTime.Now.AddYears(-10)).Ticks;
var maxValue = Convert.ToDateTime(queryTerm.Dq).Ticks;
var DqQuery = NumericRangeQuery.NewLongRange(OutDoorIndexFields.DeadLine,
Convert.ToInt64(minValue), Convert.ToInt64(maxValue), true, true);
combineQuery.Add(DqQuery, Occur.MUST);
}
#endregion
return(combineQuery);
}