public ActionResult GenerateScheme(GenerateSchemeViewModel model)
{
var totalCount = 0;
var list = OutDoorLuceneService.Search(model, out totalCount);
var maxPrice = model.price;
var currentPrice = 0m;
var day = model.day;
var result = new List <LinkItem>();
foreach (var item in list)
{
currentPrice += ((item.Price / 365) * day);
int privceValue = Convert.ToInt32(currentPrice);
if (privceValue > maxPrice)
{
currentPrice -= ((item.Price / 365) * day);
break;
}
else
{
result.Add(item);
}
}
ViewBag.currentPrice = currentPrice.ToString("F2");
ViewBag.Dq = Convert.ToDateTime(model.dq).ToString("yyyy-MM-dd")
+ " 至 " + Convert.ToDateTime(model.dq).AddDays(model.day).ToString("yyyy-MM-dd");
//return Json(result, JsonRequestBehavior.AllowGet);
return(View(result));
}
public List <LinkItem> Search(GenerateSchemeViewModel model, out int totalHits)
{
if (!Directory.Exists(LuceneCommon.IndexOutDoorDirectory))
{
totalHits = 0;
return(new List <LinkItem>());
}
var combineQuery = new BooleanQuery();
SortField sortField = GetSortField(model.generateType);
#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 媒体类别查询
if (!string.IsNullOrEmpty(model.mediaCode))
{
var mediaCodes = model.mediaCode.Split(',').Select(x => Convert.ToInt32(x));
var mediaCodeCombineQuery = new BooleanQuery();
foreach (var code in mediaCodes)
{
var maxCode = Utilities.GetMaxCode(code);
var mediaCodeQuery = NumericRangeQuery.NewLongRange(OutDoorIndexFields.MediaCateCode,
code, maxCode, true, true);
mediaCodeCombineQuery.Add(mediaCodeQuery, Occur.SHOULD);
}
combineQuery.Add(mediaCodeCombineQuery, Occur.MUST);
}
#endregion
#region 媒体档期查询
if (!string.IsNullOrEmpty(model.dq))
{
var minValue = (DateTime.Now.AddYears(-10)).Ticks;
var maxValue = Convert.ToDateTime(model.dq).Ticks;
var DeadLineQuery = NumericRangeQuery.NewLongRange(OutDoorIndexFields.DeadLine,
Convert.ToInt64(minValue), Convert.ToInt64(maxValue), true, true);
combineQuery.Add(DeadLineQuery, Occur.MUST);
}
#endregion
#region 地区查询
if (!string.IsNullOrEmpty(model.cityCode))
{
var cityCodes = model.cityCode.Split(',').Select(x => Convert.ToInt32(x));
var cityCodeCombineQuery = new BooleanQuery();
foreach (var code in cityCodes)
{
var maxCode = Utilities.GetMaxCode(code);
var cityCodeQuery = NumericRangeQuery.NewLongRange(OutDoorIndexFields.CityCateCode,
code, maxCode, true, true);
cityCodeCombineQuery.Add(cityCodeQuery, Occur.SHOULD);
}
combineQuery.Add(cityCodeCombineQuery, Occur.MUST);
}
#endregion
#region 关键字查询
if (!string.IsNullOrEmpty(model.formatCate) || !string.IsNullOrEmpty(model.crowdCate) || !string.IsNullOrEmpty(model.industryCate) || !string.IsNullOrEmpty(model.purposeCate))
{
var fields = new[] {
OutDoorIndexFields.IndustryCate,
OutDoorIndexFields.CrowdCate,
OutDoorIndexFields.PurposeCate,
OutDoorIndexFields.FormatName
};
var keywords = (string.IsNullOrEmpty(model.formatCate) ? string.Empty : model.formatCate + ",")
+ (string.IsNullOrEmpty(model.crowdCate) ? string.Empty : model.crowdCate + ",")
+ (string.IsNullOrEmpty(model.industryCate) ? string.Empty : model.industryCate + ",")
+ (string.IsNullOrEmpty(model.purposeCate) ? string.Empty : model.purposeCate);
var analyzer = new PanGuAnalyzer();
//var analyzer = new StandardAnalyzer(LuceneCommon.LuceneVersion);
var queryParser = new MultiFieldQueryParser(LuceneCommon.LuceneVersion, fields, analyzer);
//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(keywords);
foreach (var term in GetSearchTerms(keywords))
{
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[] { conjuctionQuery, disjunctionQuery, wildCardQuery });
combineQuery.Add(keywordsQuery, Occur.MUST);
}
#endregion
#region 媒体价格区间查询
if (model.priceCate != 0)
{
var rangeValue = EnumHelper.GetPriceValue(model.priceCate);
if (rangeValue.Max > 99999)
{
rangeValue.Max = 1000;
}
var PriceQuery = NumericRangeQuery.NewDoubleRange(OutDoorIndexFields.Price,
0, Convert.ToDouble(rangeValue.Max), true, true);
combineQuery.Add(PriceQuery, Occur.MUST);
}
#endregion
using (var directory = new SimpleFSDirectory(new DirectoryInfo(LuceneCommon.IndexOutDoorDirectory)))
{
var searcher = new IndexSearcher(directory, readOnly: true);
var results = searcher.Search(combineQuery, filter: null, n: 30, sort: new Sort(sortField));
var keys = results.ScoreDocs.Skip(0)
.Select(c => GetMediaItem(searcher.Doc(c.Doc)))
.ToList();
totalHits = results.TotalHits;
searcher.Dispose();
return(keys);
}
}
