/// <summary>
/// 根据帖吧搜索查询条件构建Lucene查询条件
/// </summary>
/// <param name="Query"></param>
/// <returns></returns>
private LuceneSearchBuilder BuildLuceneSearchBuilder(BlogFullTextQuery blogQuery)
{
LuceneSearchBuilder searchBuilder = new LuceneSearchBuilder();
//范围
Dictionary <string, BoostLevel> fieldNameAndBoosts = new Dictionary <string, BoostLevel>();
//如果查的是相关日志
if (blogQuery.IsRelationBlog)
{
fieldNameAndBoosts.Add(BlogIndexDocument.Subject, BoostLevel.Hight);
fieldNameAndBoosts.Add(BlogIndexDocument.Tag, BoostLevel.Medium);
fieldNameAndBoosts.Add(BlogIndexDocument.OwnerCategoryName, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, blogQuery.Keywords, BooleanClause.Occur.SHOULD, false);
searchBuilder.WithField(BlogIndexDocument.PrivacyStatus, ((int)PrivacyStatus.Public).ToString(), true, BoostLevel.Hight, true);
searchBuilder.NotWithField(BlogIndexDocument.ThreadId.ToString(), blogQuery.CurrentThreadId.ToString());
}
else
{
switch (blogQuery.BlogRange)
{
case BlogRange.MYBlOG:
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.LoginId.ToString(), true, BoostLevel.Hight, false);
break;
case BlogRange.SOMEONEBLOG:
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.UserId.ToString(), true, BoostLevel.Hight, false);
break;
case BlogRange.SITECATEGORY:
if (blogQuery.LoginId != 0)
{
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.LoginId.ToString(), true, BoostLevel.Hight, false);
}
if (blogQuery.UserId != 0)
{
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.UserId.ToString(), true, BoostLevel.Hight, false);
}
if (blogQuery.SiteCategoryId != 0)
{
searchBuilder.WithField(BlogIndexDocument.SiteCategoryId, blogQuery.SiteCategoryId.ToString(), true, BoostLevel.Hight, false);
}
break;
default:
break;
}
if (!string.IsNullOrEmpty(blogQuery.Keyword))
{
switch (blogQuery.Range)
{
case BlogSearchRange.SUBJECT:
searchBuilder.WithPhrase(BlogIndexDocument.Subject, blogQuery.Keyword, BoostLevel.Hight, false);
break;
case BlogSearchRange.BODY:
searchBuilder.WithPhrase(BlogIndexDocument.Body, blogQuery.Keyword, BoostLevel.Hight, false);
break;
case BlogSearchRange.AUTHOR:
searchBuilder.WithPhrase(BlogIndexDocument.Author, blogQuery.Keyword, BoostLevel.Hight, false);
break;
case BlogSearchRange.TAG:
searchBuilder.WithPhrase(BlogIndexDocument.Tag, blogQuery.Keyword, BoostLevel.Hight, false);
break;
case BlogSearchRange.OWNERCATEGORYNAME:
searchBuilder.WithPhrase(BlogIndexDocument.OwnerCategoryName, blogQuery.Keyword, BoostLevel.Hight, false);
break;
default:
fieldNameAndBoosts.Add(BlogIndexDocument.Subject, BoostLevel.Hight);
fieldNameAndBoosts.Add(BlogIndexDocument.Keywords, BoostLevel.Hight);
fieldNameAndBoosts.Add(BlogIndexDocument.Tag, BoostLevel.Medium);
fieldNameAndBoosts.Add(BlogIndexDocument.Summary, BoostLevel.Medium);
fieldNameAndBoosts.Add(BlogIndexDocument.Body, BoostLevel.Medium);
fieldNameAndBoosts.Add(BlogIndexDocument.OwnerCategoryName, BoostLevel.Medium);
fieldNameAndBoosts.Add(BlogIndexDocument.Author, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, blogQuery.Keyword, BooleanClause.Occur.SHOULD, false);
break;
}
}
//某个站点分类
if (blogQuery.SiteCategoryId != 0)
{
searchBuilder.WithField(BlogIndexDocument.SiteCategoryId, blogQuery.SiteCategoryId.ToString(), true, BoostLevel.Hight, true);
}
if (!(UserContext.CurrentUser != null && UserContext.CurrentUser.UserId == blogQuery.LoginId && blogQuery.AllId != 0))
{
searchBuilder.NotWithField(BlogIndexDocument.PrivacyStatus, ((int)PrivacyStatus.Private).ToString());
}
}
//筛选
//全部、某人的日志
if (blogQuery.AllId != 0)
{
if (blogQuery.LoginId != 0)
{
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.LoginId.ToString(), true, BoostLevel.Hight, true);
}
else if (blogQuery.UserId != 0)
{
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.UserId.ToString(), true, BoostLevel.Hight, true);
}
}
//过滤可以显示的日志
switch (publiclyAuditStatus)
{
case PubliclyAuditStatus.Again:
case PubliclyAuditStatus.Fail:
case PubliclyAuditStatus.Pending:
case PubliclyAuditStatus.Success:
searchBuilder.WithField(BlogIndexDocument.AuditStatus, ((int)publiclyAuditStatus).ToString(), true, BoostLevel.Hight, true);
break;
case PubliclyAuditStatus.Again_GreaterThanOrEqual:
case PubliclyAuditStatus.Pending_GreaterThanOrEqual:
searchBuilder.WithinRange(BlogIndexDocument.AuditStatus, ((int)publiclyAuditStatus).ToString(), ((int)PubliclyAuditStatus.Success).ToString(), true);
break;
}
return(searchBuilder);
}
/// <summary>
/// 根据帖吧搜索查询条件构建Lucene查询条件
/// </summary>
/// <param name="Query"></param>
/// <returns></returns>
private LuceneSearchBuilder BuildLuceneSearchBuilder(BlogFullTextQuery blogQuery)
{
LuceneSearchBuilder searchBuilder = new LuceneSearchBuilder();
//范围
Dictionary<string, BoostLevel> fieldNameAndBoosts = new Dictionary<string, BoostLevel>();
//如果查的是相关日志
if (blogQuery.IsRelationBlog)
{
fieldNameAndBoosts.Add(BlogIndexDocument.Subject, BoostLevel.Hight);
fieldNameAndBoosts.Add(BlogIndexDocument.Tag, BoostLevel.Medium);
fieldNameAndBoosts.Add(BlogIndexDocument.OwnerCategoryName, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, blogQuery.Keywords, BooleanClause.Occur.SHOULD, false);
searchBuilder.WithField(BlogIndexDocument.PrivacyStatus, ((int)PrivacyStatus.Public).ToString(), true, BoostLevel.Hight, true);
searchBuilder.NotWithField(BlogIndexDocument.ThreadId.ToString(), blogQuery.CurrentThreadId.ToString());
}
else
{
switch (blogQuery.BlogRange)
{
case BlogRange.MYBlOG:
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.LoginId.ToString(), true, BoostLevel.Hight, false);
break;
case BlogRange.SOMEONEBLOG:
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.UserId.ToString(), true, BoostLevel.Hight, false);
break;
case BlogRange.SITECATEGORY:
if (blogQuery.LoginId != 0)
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.LoginId.ToString(), true, BoostLevel.Hight, false);
if (blogQuery.UserId != 0)
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.UserId.ToString(), true, BoostLevel.Hight, false);
if (blogQuery.SiteCategoryId != 0)
searchBuilder.WithField(BlogIndexDocument.SiteCategoryId, blogQuery.SiteCategoryId.ToString(), true, BoostLevel.Hight, false);
break;
default:
break;
}
if (!string.IsNullOrEmpty(blogQuery.Keyword))
{
switch (blogQuery.Range)
{
case BlogSearchRange.SUBJECT:
searchBuilder.WithPhrase(BlogIndexDocument.Subject, blogQuery.Keyword, BoostLevel.Hight, false);
break;
case BlogSearchRange.BODY:
searchBuilder.WithPhrase(BlogIndexDocument.Body, blogQuery.Keyword, BoostLevel.Hight, false);
break;
case BlogSearchRange.AUTHOR:
searchBuilder.WithPhrase(BlogIndexDocument.Author, blogQuery.Keyword, BoostLevel.Hight, false);
break;
case BlogSearchRange.TAG:
searchBuilder.WithPhrase(BlogIndexDocument.Tag, blogQuery.Keyword, BoostLevel.Hight, false);
break;
case BlogSearchRange.OWNERCATEGORYNAME:
searchBuilder.WithPhrase(BlogIndexDocument.OwnerCategoryName, blogQuery.Keyword, BoostLevel.Hight, false);
break;
default:
fieldNameAndBoosts.Add(BlogIndexDocument.Subject, BoostLevel.Hight);
fieldNameAndBoosts.Add(BlogIndexDocument.Keywords, BoostLevel.Hight);
fieldNameAndBoosts.Add(BlogIndexDocument.Tag, BoostLevel.Medium);
fieldNameAndBoosts.Add(BlogIndexDocument.Summary, BoostLevel.Medium);
fieldNameAndBoosts.Add(BlogIndexDocument.Body, BoostLevel.Medium);
fieldNameAndBoosts.Add(BlogIndexDocument.OwnerCategoryName, BoostLevel.Medium);
fieldNameAndBoosts.Add(BlogIndexDocument.Author, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, blogQuery.Keyword, BooleanClause.Occur.SHOULD, false);
break;
}
}
//某个站点分类
if (blogQuery.SiteCategoryId != 0)
{
searchBuilder.WithField(BlogIndexDocument.SiteCategoryId, blogQuery.SiteCategoryId.ToString(), true, BoostLevel.Hight, true);
}
if (!(UserContext.CurrentUser != null && UserContext.CurrentUser.UserId == blogQuery.LoginId && blogQuery.AllId != 0))
{
searchBuilder.NotWithField(BlogIndexDocument.PrivacyStatus, ((int)PrivacyStatus.Private).ToString());
}
}
//筛选
//全部、某人的日志
if (blogQuery.AllId != 0)
{
if (blogQuery.LoginId != 0)
{
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.LoginId.ToString(), true, BoostLevel.Hight, true);
}
else if (blogQuery.UserId != 0)
{
searchBuilder.WithField(BlogIndexDocument.UserId, blogQuery.UserId.ToString(), true, BoostLevel.Hight, true);
}
}
//过滤可以显示的日志
switch (publiclyAuditStatus)
{
case PubliclyAuditStatus.Again:
case PubliclyAuditStatus.Fail:
case PubliclyAuditStatus.Pending:
case PubliclyAuditStatus.Success:
searchBuilder.WithField(BlogIndexDocument.AuditStatus, ((int)publiclyAuditStatus).ToString(), true, BoostLevel.Hight, true);
break;
case PubliclyAuditStatus.Again_GreaterThanOrEqual:
case PubliclyAuditStatus.Pending_GreaterThanOrEqual:
searchBuilder.WithinRange(BlogIndexDocument.AuditStatus, ((int)publiclyAuditStatus).ToString(), ((int)PubliclyAuditStatus.Success).ToString(), true);
break;
}
return searchBuilder;
}
/// <summary>
/// 日志分页搜索
/// </summary>
/// <param name="blogQuery">搜索条件</param>
/// <returns>符合搜索条件的分页集合</returns>
public PagingDataSet <BlogThread> Search(BlogFullTextQuery blogQuery)
{
if (blogQuery.SiteCategoryId == 0 && blogQuery.LoginId == 0 && blogQuery.UserId == 0)
{
if (string.IsNullOrWhiteSpace(blogQuery.Keyword) && blogQuery.IsRelationBlog == false)
{
return(new PagingDataSet <BlogThread>(new List <BlogThread>()));
}
}
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(blogQuery);
//使用LuceneSearchBuilder构建Lucene需要Query、Filter、Sort
Query query = null;
Filter filter = null;
Sort sort = null;
searchBuilder.BuildQuery(out query, out filter, out sort);
//调用SearchService.Search(),执行搜索
PagingDataSet <Document> searchResult = searchEngine.Search(query, filter, sort, blogQuery.PageIndex, blogQuery.PageSize);
IEnumerable <Document> docs = searchResult.ToList <Document>();
//解析出搜索结果中的日志ID
List <long> blogThreadIds = new List <long>();
//获取索引中日志的标签
Dictionary <long, IEnumerable <string> > blogTags = new Dictionary <long, IEnumerable <string> >();
//获取索引中日志的用户分类名
Dictionary <long, IEnumerable <string> > blogOwnerCategoryNames = new Dictionary <long, IEnumerable <string> >();
foreach (Document doc in docs)
{
long blogThreadId = long.Parse(doc.Get(BlogIndexDocument.ThreadId));
blogThreadIds.Add(blogThreadId);
blogTags[blogThreadId] = doc.GetValues(BlogIndexDocument.Tag).ToList <string>();
blogOwnerCategoryNames[blogThreadId] = doc.GetValues(BlogIndexDocument.OwnerCategoryName).ToList <string>();
}
//根据日志ID列表批量查询日志实例
IEnumerable <BlogThread> blogThreadList = blogThreadService.GetBlogThreads(blogThreadIds);
foreach (var blogThread in blogThreadList)
{
blogThread.Body = blogThread.GetBody();
if (blogTags.ContainsKey(blogThread.ThreadId))
{
blogThread.TagNames = blogTags[blogThread.ThreadId];
}
if (blogOwnerCategoryNames.ContainsKey(blogThread.ThreadId))
{
blogThread.OwnerCategoryNames = blogOwnerCategoryNames[blogThread.ThreadId];
}
}
//组装分页对象
PagingDataSet <BlogThread> blogThreads = new PagingDataSet <BlogThread>(blogThreadList)
{
TotalRecords = searchResult.TotalRecords,
PageSize = searchResult.PageSize,
PageIndex = searchResult.PageIndex,
QueryDuration = searchResult.QueryDuration
};
return(blogThreads);
}
/// <summary>
/// 日志分页搜索
/// </summary>
/// <param name="blogQuery">搜索条件</param>
/// <returns>符合搜索条件的分页集合</returns>
public PagingDataSet<BlogThread> Search(BlogFullTextQuery blogQuery)
{
if (blogQuery.SiteCategoryId == 0 && blogQuery.LoginId == 0 && blogQuery.UserId == 0)
{
if (string.IsNullOrWhiteSpace(blogQuery.Keyword) && blogQuery.IsRelationBlog == false)
{
return new PagingDataSet<BlogThread>(new List<BlogThread>());
}
}
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(blogQuery);
//使用LuceneSearchBuilder构建Lucene需要Query、Filter、Sort
Query query = null;
Filter filter = null;
Sort sort = null;
searchBuilder.BuildQuery(out query, out filter, out sort);
//调用SearchService.Search(),执行搜索
PagingDataSet<Document> searchResult = searchEngine.Search(query, filter, sort, blogQuery.PageIndex, blogQuery.PageSize);
IEnumerable<Document> docs = searchResult.ToList<Document>();
//解析出搜索结果中的日志ID
List<long> blogThreadIds = new List<long>();
//获取索引中日志的标签
Dictionary<long, IEnumerable<string>> blogTags = new Dictionary<long, IEnumerable<string>>();
//获取索引中日志的用户分类名
Dictionary<long, IEnumerable<string>> blogOwnerCategoryNames = new Dictionary<long, IEnumerable<string>>();
foreach (Document doc in docs)
{
long blogThreadId = long.Parse(doc.Get(BlogIndexDocument.ThreadId));
blogThreadIds.Add(blogThreadId);
blogTags[blogThreadId] = doc.GetValues(BlogIndexDocument.Tag).ToList<string>();
blogOwnerCategoryNames[blogThreadId] = doc.GetValues(BlogIndexDocument.OwnerCategoryName).ToList<string>();
}
//根据日志ID列表批量查询日志实例
IEnumerable<BlogThread> blogThreadList = blogThreadService.GetBlogThreads(blogThreadIds);
foreach (var blogThread in blogThreadList)
{
blogThread.Body = blogThread.GetBody();
if (blogTags.ContainsKey(blogThread.ThreadId))
{
blogThread.TagNames = blogTags[blogThread.ThreadId];
}
if (blogOwnerCategoryNames.ContainsKey(blogThread.ThreadId))
{
blogThread.OwnerCategoryNames = blogOwnerCategoryNames[blogThread.ThreadId];
}
}
//组装分页对象
PagingDataSet<BlogThread> blogThreads = new PagingDataSet<BlogThread>(blogThreadList)
{
TotalRecords = searchResult.TotalRecords,
PageSize = searchResult.PageSize,
PageIndex = searchResult.PageIndex,
QueryDuration = searchResult.QueryDuration
};
return blogThreads;
}