/// <summary>
/// 根据帖吧搜索查询条件构建Lucene查询条件
/// </summary>
/// <param name="Query">搜索条件</param>
/// <param name="interestGroup">是否是查询可能感兴趣的群组</param>
/// <returns></returns>
private LuceneSearchBuilder BuildLuceneSearchBuilder(GroupFullTextQuery groupQuery, bool interestGroup = false)
{
LuceneSearchBuilder searchBuilder = new LuceneSearchBuilder();
Dictionary<string, BoostLevel> fieldNameAndBoosts = new Dictionary<string, BoostLevel>();
//关键字为空就是在搜地区时关键字为空
if (groupQuery.KeywordIsNull)
{
if (!string.IsNullOrEmpty(groupQuery.NowAreaCode))
searchBuilder.WithField(GroupIndexDocument.AreaCode, groupQuery.NowAreaCode.TrimEnd('0'), false, BoostLevel.Hight, false);
else
searchBuilder.WithFields(GroupIndexDocument.AreaCode, new string[] { "1", "2", "3" }, false, BoostLevel.Hight, false);
}
if (!string.IsNullOrEmpty(groupQuery.Keyword))
{
//范围
switch (groupQuery.Range)
{
case GroupSearchRange.GROUPNAME:
searchBuilder.WithPhrase(GroupIndexDocument.GroupName, groupQuery.Keyword, BoostLevel.Hight, false);
break;
case GroupSearchRange.DESCRIPTION:
searchBuilder.WithPhrase(GroupIndexDocument.Description, groupQuery.Keyword, BoostLevel.Hight, false);
break;
case GroupSearchRange.TAG:
searchBuilder.WithPhrase(GroupIndexDocument.Tag, groupQuery.Keyword, BoostLevel.Hight, false);
break;
case GroupSearchRange.CATEGORYNAME:
searchBuilder.WithPhrase(GroupIndexDocument.CategoryName, groupQuery.Keyword, BoostLevel.Hight, false);
break;
default:
fieldNameAndBoosts.Add(GroupIndexDocument.GroupName, BoostLevel.Hight);
fieldNameAndBoosts.Add(GroupIndexDocument.Description, BoostLevel.Medium);
fieldNameAndBoosts.Add(GroupIndexDocument.Tag, BoostLevel.Medium);
fieldNameAndBoosts.Add(GroupIndexDocument.CategoryName, BoostLevel.Medium);
searchBuilder.WithPhrases(fieldNameAndBoosts, groupQuery.Keyword, BooleanClause.Occur.SHOULD, false);
break;
}
}
//根据标签搜索可能感兴趣的群组
if (interestGroup)
{
searchBuilder.WithPhrases(GroupIndexDocument.Tag, groupQuery.Tags, BoostLevel.Hight, false);
searchBuilder.NotWithFields(GroupIndexDocument.GroupId, groupQuery.GroupIds);
}
//筛选
//某地区
if (!string.IsNullOrEmpty(groupQuery.NowAreaCode))
{
searchBuilder.WithField(GroupIndexDocument.AreaCode, groupQuery.NowAreaCode.TrimEnd('0'), false, BoostLevel.Hight, true);
}
//某分类
if (groupQuery.CategoryId != 0)
{
//fixed by wanf:发现群组已经不再用全文检索了
CategoryService categoryService = new CategoryService();
IEnumerable<Category> categories = categoryService.GetDescendants(groupQuery.CategoryId);
List<string> categoryIds = new List<string> { groupQuery.CategoryId.ToString() };
if (categories != null && categories.Count() > 0)
{
categoryIds.AddRange(categories.Select(n => n.CategoryId.ToString()));
}
searchBuilder.WithFields(GroupIndexDocument.CategoryId, categoryIds, true, BoostLevel.Hight, true);
}
//公开的群组
searchBuilder.WithField(GroupIndexDocument.IsPublic, "1", true, BoostLevel.Hight, true);
//过滤可以显示的群组
switch (publiclyAuditStatus)
{
case PubliclyAuditStatus.Again:
case PubliclyAuditStatus.Fail:
case PubliclyAuditStatus.Pending:
case PubliclyAuditStatus.Success:
searchBuilder.WithField(GroupIndexDocument.AuditStatus, ((int)publiclyAuditStatus).ToString(), true, BoostLevel.Hight, true);
break;
case PubliclyAuditStatus.Again_GreaterThanOrEqual:
case PubliclyAuditStatus.Pending_GreaterThanOrEqual:
searchBuilder.WithinRange(GroupIndexDocument.AuditStatus, ((int)publiclyAuditStatus).ToString(), ((int)PubliclyAuditStatus.Success).ToString(), true);
break;
}
if (groupQuery.sortBy.HasValue)
{
switch (groupQuery.sortBy.Value)
{
case SortBy_Group.DateCreated_Desc:
searchBuilder.SortByString(GroupIndexDocument.DateCreated, true);
break;
case SortBy_Group.MemberCount_Desc:
searchBuilder.SortByString(GroupIndexDocument.MemberCount, true);
break;
case SortBy_Group.GrowthValue_Desc:
searchBuilder.SortByString(GroupIndexDocument.GrowthValue, true);
break;
}
}
else
{
//时间倒序排序
searchBuilder.SortByString(GroupIndexDocument.DateCreated, true);
}
return searchBuilder;
}
/// <summary>
/// 根据用户搜索查询条件构建Lucene查询条件
/// </summary>
/// <param name="userQuery"></param>
/// <returns></returns>
private LuceneSearchBuilder BuildLuceneSearchBuilder(UserFullTextQuery userQuery)
{
LuceneSearchBuilder searchBuilder = new LuceneSearchBuilder();
//搜索词匹配范围
Dictionary<string, BoostLevel> fieldNameAndBoosts = new Dictionary<string, BoostLevel>();
switch (userQuery.SearchRange)
{
case UserSearchRange.NAME:
fieldNameAndBoosts.Add(UserIndexDocument.TrueName, BoostLevel.Hight);
fieldNameAndBoosts.Add(UserIndexDocument.PinyinName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.NickName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.UserName, BoostLevel.Low);
fieldNameAndBoosts.Add(UserIndexDocument.ShortPinyinName, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, userQuery.Keyword, BooleanClause.Occur.SHOULD, false);
break;
case UserSearchRange.TAG:
searchBuilder.WithPhrase(UserIndexDocument.TagName, userQuery.Keyword, BoostLevel.Hight, false);
break;
case UserSearchRange.SCHOOL:
searchBuilder.WithPhrase(UserIndexDocument.School, userQuery.Keyword, BoostLevel.Hight, false);
break;
case UserSearchRange.COMPANY:
searchBuilder.WithPhrase(UserIndexDocument.CompanyName, userQuery.Keyword, BoostLevel.Hight, false);
break;
case UserSearchRange.NOWAREACODE:
if (!string.IsNullOrEmpty(userQuery.Keyword))
{
fieldNameAndBoosts.Add(UserIndexDocument.TrueName, BoostLevel.Hight);
fieldNameAndBoosts.Add(UserIndexDocument.PinyinName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.NickName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.UserName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.TagName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.School, BoostLevel.Low);
fieldNameAndBoosts.Add(UserIndexDocument.CompanyName, BoostLevel.Low);
fieldNameAndBoosts.Add(UserIndexDocument.ShortPinyinName, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, userQuery.Keyword, BooleanClause.Occur.SHOULD, false);
}
if (!string.IsNullOrEmpty(userQuery.NowAreaCode))
searchBuilder.WithField(UserIndexDocument.NowAreaCode, userQuery.NowAreaCode.TrimEnd('0'), false, BoostLevel.Hight, false);
else
searchBuilder.WithFields(UserIndexDocument.NowAreaCode, new string[] { "1", "2", "3" }, false, BoostLevel.Hight, false);
break;
case UserSearchRange.HOMEAREACODE:
if (!string.IsNullOrEmpty(userQuery.Keyword))
{
fieldNameAndBoosts.Add(UserIndexDocument.TrueName, BoostLevel.Hight);
fieldNameAndBoosts.Add(UserIndexDocument.PinyinName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.NickName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.UserName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.TagName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.School, BoostLevel.Low);
fieldNameAndBoosts.Add(UserIndexDocument.CompanyName, BoostLevel.Low);
fieldNameAndBoosts.Add(UserIndexDocument.ShortPinyinName, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, userQuery.Keyword, BooleanClause.Occur.SHOULD, false);
}
if (!string.IsNullOrEmpty(userQuery.HomeAreaCode))
searchBuilder.WithField(UserIndexDocument.HomeAreaCode, userQuery.HomeAreaCode.TrimEnd('0'), false, BoostLevel.Hight, false);
else
searchBuilder.WithFields(UserIndexDocument.HomeAreaCode, new string[] { "1", "2", "3" }, false, BoostLevel.Hight, false);
break;
case UserSearchRange.Gender:
if (!string.IsNullOrEmpty(userQuery.Keyword))
{
fieldNameAndBoosts.Add(UserIndexDocument.TrueName, BoostLevel.Hight);
fieldNameAndBoosts.Add(UserIndexDocument.PinyinName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.NickName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.UserName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.TagName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.School, BoostLevel.Low);
fieldNameAndBoosts.Add(UserIndexDocument.CompanyName, BoostLevel.Low);
fieldNameAndBoosts.Add(UserIndexDocument.ShortPinyinName, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, userQuery.Keyword, BooleanClause.Occur.SHOULD, false);
}
searchBuilder.WithField(UserIndexDocument.Gender, ((int)userQuery.Gender).ToString(), false, BoostLevel.Hight, false);
break;
case UserSearchRange.Age:
if (!string.IsNullOrEmpty(userQuery.Keyword))
{
fieldNameAndBoosts.Add(UserIndexDocument.TrueName, BoostLevel.Hight);
fieldNameAndBoosts.Add(UserIndexDocument.PinyinName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.NickName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.UserName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.TagName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.School, BoostLevel.Low);
fieldNameAndBoosts.Add(UserIndexDocument.CompanyName, BoostLevel.Low);
fieldNameAndBoosts.Add(UserIndexDocument.ShortPinyinName, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, userQuery.Keyword, BooleanClause.Occur.SHOULD, false);
}
if (userQuery.AgeMin > userQuery.AgeMax)
{
int temp = userQuery.AgeMin;
userQuery.AgeMin = userQuery.AgeMax;
userQuery.AgeMax = temp;
}
if (userQuery.AgeMin < 0)
{
userQuery.AgeMin = 0;
}
if (userQuery.AgeMax > 200)
{
userQuery.AgeMin = 200;
}
string yearMax = (DateTime.Now.Year - userQuery.AgeMin).ToString().PadLeft(3, '0');
string yearMin = (DateTime.Now.Year - userQuery.AgeMax).ToString().PadLeft(3, '0');
searchBuilder.WithinRange(UserIndexDocument.BirthdayYear, yearMin, yearMax, false);
break;
default:
fieldNameAndBoosts.Add(UserIndexDocument.TrueName, BoostLevel.Hight);
fieldNameAndBoosts.Add(UserIndexDocument.PinyinName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.NickName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.UserName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.TagName, BoostLevel.Medium);
fieldNameAndBoosts.Add(UserIndexDocument.School, BoostLevel.Low);
fieldNameAndBoosts.Add(UserIndexDocument.CompanyName, BoostLevel.Low);
fieldNameAndBoosts.Add(UserIndexDocument.ShortPinyinName, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, userQuery.Keyword, BooleanClause.Occur.SHOULD, false);
break;
}
//所在地区过滤
if (!string.IsNullOrWhiteSpace(userQuery.NowAreaCode) && userQuery.SearchRange != UserSearchRange.NOWAREACODE)
{
searchBuilder.WithField(UserIndexDocument.NowAreaCode, userQuery.NowAreaCode.TrimEnd('0'), false, BoostLevel.Hight, true);
}
//家乡地区过滤
if (!string.IsNullOrWhiteSpace(userQuery.HomeAreaCode) && userQuery.SearchRange != UserSearchRange.HOMEAREACODE)
{
searchBuilder.WithField(UserIndexDocument.HomeAreaCode, userQuery.HomeAreaCode.TrimEnd('0'), false, BoostLevel.Hight, true);
}
//性别过滤
if (userQuery.Gender != GenderType.NotSet)
{
searchBuilder.WithField(UserIndexDocument.Gender, ((int)userQuery.Gender).ToString(), true, BoostLevel.Hight, true);
}
//年龄过滤
if (userQuery.AgeMin > 0 || userQuery.AgeMax > 0)
{
if (userQuery.AgeMin > userQuery.AgeMax)
{
int temp = userQuery.AgeMin;
userQuery.AgeMin = userQuery.AgeMax;
userQuery.AgeMax = temp;
}
if (userQuery.AgeMin < 0)
{
userQuery.AgeMin = 0;
}
if (userQuery.AgeMax > 200)
{
userQuery.AgeMin = 200;
}
string yearMax = (DateTime.Now.Year - userQuery.AgeMin).ToString().PadLeft(3, '0');
string yearMin = (DateTime.Now.Year - userQuery.AgeMax).ToString().PadLeft(3, '0');
searchBuilder.WithinRange(UserIndexDocument.BirthdayYear, yearMin, yearMax, true);
}
//按最后活动时间倒排序
searchBuilder.SortByString(UserIndexDocument.LastActivityTime, true);
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(JournalFullTextQuery journalQuery)
{
LuceneSearchBuilder searchBuilder = new LuceneSearchBuilder();
//范围
Dictionary<string, BoostLevel> fieldNameAndBoosts = new Dictionary<string, BoostLevel>();
//如果查的是相关日志
if (journalQuery.IsRelationJournal)
{
fieldNameAndBoosts.Add(JournalIndexDocument.journalname, BoostLevel.Hight);
fieldNameAndBoosts.Add(JournalIndexDocument.subcat, BoostLevel.Medium);
fieldNameAndBoosts.Add(JournalIndexDocument.publisher, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, journalQuery.Keywords, BooleanClause.Occur.SHOULD, false);
//searchBuilder.WithField(JournalIndexDocument.PrivacyStatus, ((int)PrivacyStatus.Public).ToString(), true, BoostLevel.Hight, true);
searchBuilder.NotWithField(JournalIndexDocument.id.ToString(), journalQuery.CurrentThreadId.ToString());
}
else
{
switch (journalQuery.JournalRange)
{
/*case JournalRange.MYBlOG:
searchBuilder.WithField(JournalIndexDocument.UserId, journalQuery.LoginId.ToString(), true, BoostLevel.Hight, false);
break;
case JournalRange.SOMEONEBLOG:
searchBuilder.WithField(JournalIndexDocument.UserId, journalQuery.UserId.ToString(), true, BoostLevel.Hight, false);
break;
case JournalRange.SITECATEGORY:
if (journalQuery.LoginId != 0)
searchBuilder.WithField(JournalIndexDocument.UserId, journalQuery.LoginId.ToString(), true, BoostLevel.Hight, false);
if (journalQuery.UserId != 0)
searchBuilder.WithField(JournalIndexDocument.UserId, journalQuery.UserId.ToString(), true, BoostLevel.Hight, false);
if (journalQuery.SiteCategoryId != 0)
searchBuilder.WithField(JournalIndexDocument.SiteCategoryId, journalQuery.SiteCategoryId.ToString(), true, BoostLevel.Hight, false);
break;**/
default:
break;
}
if (!string.IsNullOrEmpty(journalQuery.Keyword))
{
switch (journalQuery.Range)
{
/*case JournalSearchRange.SUBJECT:
searchBuilder.WithPhrase(JournalIndexDocument.Subject, journalQuery.Keyword, BoostLevel.Hight, false);
break;
case JournalSearchRange.BODY:
searchBuilder.WithPhrase(JournalIndexDocument.Body, journalQuery.Keyword, BoostLevel.Hight, false);
break;
case JournalSearchRange.AUTHOR:
searchBuilder.WithPhrase(JournalIndexDocument.Author, journalQuery.Keyword, BoostLevel.Hight, false);
break;
case JournalSearchRange.TAG:
searchBuilder.WithPhrase(JournalIndexDocument.Tag, journalQuery.Keyword, BoostLevel.Hight, false);
break;
case JournalSearchRange.OWNERCATEGORYNAME:
searchBuilder.WithPhrase(JournalIndexDocument.OwnerCategoryName, journalQuery.Keyword, BoostLevel.Hight, false);
break;*/
default:
fieldNameAndBoosts.Add(JournalIndexDocument.journalname, BoostLevel.Hight);
fieldNameAndBoosts.Add(JournalIndexDocument.publisher, BoostLevel.Hight);
fieldNameAndBoosts.Add(JournalIndexDocument.subcat, BoostLevel.Medium);
fieldNameAndBoosts.Add(JournalIndexDocument.jdescrip, BoostLevel.Medium);
fieldNameAndBoosts.Add(JournalIndexDocument.abbr, BoostLevel.Medium);
//fieldNameAndBoosts.Add(JournalIndexDocument.OwnerCategoryName, BoostLevel.Medium);
//fieldNameAndBoosts.Add(JournalIndexDocument.Author, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, journalQuery.Keyword, BooleanClause.Occur.SHOULD, false);
break;
}
}
//某个站点分类
/*if (journalQuery.SiteCategoryId != 0)
{
searchBuilder.WithField(JournalIndexDocument.SiteCategoryId, journalQuery.SiteCategoryId.ToString(), true, BoostLevel.Hight, true);
}
if (!(UserContext.CurrentUser != null && UserContext.CurrentUser.UserId == journalQuery.LoginId && journalQuery.AllId != 0))
{
searchBuilder.NotWithField(JournalIndexDocument.PrivacyStatus, ((int)PrivacyStatus.Private).ToString());
}*/
}
//筛选
//全部、某人的日志
/*if (journalQuery.AllId != 0)
{
if (journalQuery.LoginId != 0)
{
searchBuilder.WithField(JournalIndexDocument.UserId, journalQuery.LoginId.ToString(), true, BoostLevel.Hight, true);
}
else if (journalQuery.UserId != 0)
{
searchBuilder.WithField(JournalIndexDocument.UserId, journalQuery.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(JournalIndexDocument.AuditStatus, ((int)publiclyAuditStatus).ToString(), true, BoostLevel.Hight, true);
break;
case PubliclyAuditStatus.Again_GreaterThanOrEqual:
case PubliclyAuditStatus.Pending_GreaterThanOrEqual:
searchBuilder.WithinRange(JournalIndexDocument.AuditStatus, ((int)publiclyAuditStatus).ToString(), ((int)PubliclyAuditStatus.Success).ToString(), true);
break;
}*/
return searchBuilder;
}
/// <summary>
/// 搜索我和TA共同的内容
/// </summary>
/// <param name="myUserId">我的用户ID</param>
/// <param name="taUserId">TA的用户ID</param>
public void SearchInterested(long myUserId, long taUserId, out IEnumerable<string> sameTagNames, out IEnumerable<string> sameCompanyNames, out IEnumerable<string> sameSchoolNames)
{
sameTagNames = new List<string>();
sameCompanyNames = new List<string>();
sameSchoolNames = new List<string>();
//无效用户ID，直接返回空列表
if (myUserId <= 0 || taUserId <= 0)
{
return;
}
//搜索出我和TA的Document，使用LuceneSearchBuilder构建Lucene需要Query、Filter、Sort
Query query = null;
Filter filter = null;
Sort sort = null;
LuceneSearchBuilder searchBuilder = new LuceneSearchBuilder();
searchBuilder.WithFields(UserIndexDocument.UserId, new List<string> { myUserId.ToString(), taUserId.ToString() });
searchBuilder.BuildQuery(out query, out filter, out sort);
IEnumerable<Document> docs = searchEngine.Search(query, filter, sort, 2);
//应该返回两条Document，分别对应我和TA的UserId，否则直接返回空列表
if (docs == null || docs.Count() != 2)
{
return;
}
string[] myTagNames = docs.ElementAt(0).GetValues(UserIndexDocument.TagName);
string[] taTagNames = docs.ElementAt(1).GetValues(UserIndexDocument.TagName);
string[] myCompanyNames = docs.ElementAt(0).GetValues(UserIndexDocument.CompanyName);
string[] taCompanyNames = docs.ElementAt(1).GetValues(UserIndexDocument.CompanyName);
string[] mySchoolNames = docs.ElementAt(0).GetValues(UserIndexDocument.School);
string[] taSchoolNames = docs.ElementAt(1).GetValues(UserIndexDocument.School);
//比较相同的内容
sameTagNames = myTagNames.Intersect(taTagNames);
sameCompanyNames = myCompanyNames.Intersect(taCompanyNames);
sameSchoolNames = mySchoolNames.Intersect(taSchoolNames);
}
/// <summary>
/// 搜索“使用了相同标签”的用户
/// </summary>
/// <param name="userId">当前用户的ID（浏览者）</param>
/// <param name="pageIndex">分页页码</param>
/// <param name="pageSize">分页大小</param>
/// <param name="tagNameDic">存储用户ID到标签列表的映射，用于页面列表输出</param>
/// <returns></returns>
public PagingDataSet<User> SearchInterestedWithTags(long userId, int pageIndex, int pageSize, out Dictionary<long, IEnumerable<string>> tagNameDic)
{
//Dictionary，用于页面列表输出
tagNameDic = new Dictionary<long, IEnumerable<string>>();
//无效用户ID，直接返回空列表
if (userId <= 0)
{
return new PagingDataSet<User>(new List<User>());
}
Query query = null;
Filter filter = null;
Sort sort = null;
//先搜索出当前用户的标签
//使用LuceneSearchBuilder构建Lucene需要Query、Filter、Sort
LuceneSearchBuilder searchBuilder = new LuceneSearchBuilder();
searchBuilder.WithField(UserIndexDocument.UserId, userId.ToString(), true);
searchBuilder.BuildQuery(out query, out filter, out sort);
IEnumerable<Document> docs = searchEngine.Search(query, filter, sort, 1);
//索引中无此用户，直接返回空列表
if (docs == null || docs.Count<Document>() == 0)
{
return new PagingDataSet<User>(new List<User>());
}
string[] myTagNames = docs.First<Document>().GetValues(UserIndexDocument.TagName);
//当前用户无标签，直接返回空列表
if (myTagNames != null && myTagNames.Count() == 0)
{
return new PagingDataSet<User>(new List<User>());
}
//查找有相同标签的用户
//先查询当前用户关注的人(包括“悄悄关注”的用户)，此处需要调用数据库查询，因为索引中没有存储“是否悄悄关注”属性
IEnumerable<long> myFollowedUserIds = followService.GetPortionFollowedUserIds(userId);
//黑名单用户
IEnumerable<long> stopUserIds = new PrivacyService().GetStopedUsers(userId).Select(n => n.Key);
//使用LuceneSearchBuilder构建Lucene需要Query、Filter、Sort
searchBuilder = new LuceneSearchBuilder(0);
//搜索条件需要排除掉当前用户本身
searchBuilder.WithPhrases(UserIndexDocument.TagName, myTagNames.ToList<string>())
.NotWithField(UserIndexDocument.UserId, userId.ToString()) //排除掉当前用户
.NotWithFields(UserIndexDocument.UserId, myFollowedUserIds.Select(n => n.ToString()))//排除掉已关注用户
.NotWithFields(UserIndexDocument.UserId, stopUserIds.Select(n => n.ToString()));//排除掉黑名单用户
searchBuilder.BuildQuery(out query, out filter, out sort);
PagingDataSet<Document> searchResult = searchEngine.Search(query, filter, sort, pageIndex, pageSize);
docs = searchResult.ToList<Document>();
//如果没有使用相同标签的用户，直接返回空列表
if (docs == null || docs.Count<Document>() == 0)
{
return new PagingDataSet<User>(new List<User>());
}
//“使用了相同标签”的用户ID列表
List<long> sameUserIds = new List<long>();
foreach (Document doc in docs)
{
long sameUserId = long.Parse(doc.Get(UserIndexDocument.UserId));
sameUserIds.Add(sameUserId);
string[] tagNames = doc.GetValues(UserIndexDocument.TagName);
//比较获取“相同的标签”
IEnumerable<string> sameTagNames = myTagNames.Intersect<string>(tagNames);
//加入Dictionary，用于页面列表输出
if (!tagNameDic.ContainsKey(sameUserId))
{
tagNameDic.Add(sameUserId, sameTagNames);
}
}
//批量查询“使用了相同标签”的用户列表
IEnumerable<User> sameUsers = userService.GetFullUsers(sameUserIds).Where(n => n.IsCanbeFollow == true && n.IsActivated == true && n.IsBanned == false);
//组装分页对象
PagingDataSet<User> users = new PagingDataSet<User>(sameUsers)
{
TotalRecords = searchResult.TotalRecords,
PageSize = searchResult.PageSize,
PageIndex = searchResult.PageIndex,
QueryDuration = searchResult.QueryDuration
};
return users;
}
/// <summary>
/// 根据微博搜索查询条件构建Lucene查询条件
/// </summary>
/// <param name="userQuery"></param>
/// <returns></returns>
private LuceneSearchBuilder BuildLuceneSearchBuilder(MicroblogFullTextQuery microblogQuery)
{
LuceneSearchBuilder searchBuilder = new LuceneSearchBuilder();
//微博搜索词匹配范围
string fieldName = null;
switch (microblogQuery.SearchRange)
{
case MicroblogSearchRange.TOPIC:
fieldName = MicroblogIndexDocument.Topic;
break;
default:
fieldName = MicroblogIndexDocument.Body;
break;
}
if (microblogQuery.Keywords != null && microblogQuery.Keywords.Count() != 0)
{
//是否模糊查询
if (microblogQuery.IsFuzzy)
{
searchBuilder.WithPhrases(fieldName, microblogQuery.Keywords, BoostLevel.Hight, false);
}
else
{
searchBuilder.WithFields(fieldName, microblogQuery.Keywords, true, BoostLevel.Hight, false);
}
}
else
{
searchBuilder.WithPhrase(fieldName, microblogQuery.Keyword, BoostLevel.Hight);
}
//微博搜索条件过滤
switch (microblogQuery.SearchTerm)
{
case MicroblogSearchTerm.ISORIGINALITY:
searchBuilder.WithField(MicroblogIndexDocument.IsOriginality, 1, true, BoostLevel.Hight, true);
break;
case MicroblogSearchTerm.HASPHOTO:
searchBuilder.WithField(MicroblogIndexDocument.HasPhoto, 1, true, BoostLevel.Hight, true);
break;
case MicroblogSearchTerm.HASMUSIC:
searchBuilder.WithField(MicroblogIndexDocument.HasMusic, 1, true, BoostLevel.Hight, true);
break;
case MicroblogSearchTerm.HASVIDEO:
searchBuilder.WithField(MicroblogIndexDocument.HasVideo, 1, true, BoostLevel.Hight, true);
break;
default:
break;
}
////筛选租户类型
//if (!string.IsNullOrEmpty(microblogQuery.TenantTypeId))
//{
// searchBuilder.WithField(MicroblogIndexDocument.TenantTypeId, microblogQuery.TenantTypeId, true, BoostLevel.Hight, true);
//}
if (!microblogQuery.IsGroup)
{
searchBuilder.NotWithField(MicroblogIndexDocument.TenantTypeId, TenantTypeIds.Instance().Group());
}
//微博排序
searchBuilder.SortByString(MicroblogIndexDocument.DateCreated, true);
return searchBuilder;
}
/// <summary>
/// 搜索我和TA共同关注的用户
/// </summary>
/// <param name="myUserId">我的用户ID</param>
/// <param name="taUserId">TA的用户列表</param>
/// <returns>我和TA共同关注的用户列表</returns>
public IEnumerable<User> SearchInterestedWithFollows(long myUserId, long taUserId)
{
//无效用户ID，直接返回空列表
if (myUserId <= 0 || taUserId <= 0)
{
return new List<User>();
}
//搜索出我和TA的Document，使用LuceneSearchBuilder构建Lucene需要Query、Filter、Sort
Query query = null;
Filter filter = null;
Sort sort = null;
LuceneSearchBuilder searchBuilder = new LuceneSearchBuilder();
searchBuilder.WithFields(UserId, new List<string> { myUserId.ToString(), taUserId.ToString() });
searchBuilder.BuildQuery(out query, out filter, out sort);
IEnumerable<Document> docs = searchEngine.Search(query, filter, sort, 2);
//应该返回两条Document，分别对应我和TA的UserId，否则直接返回空列表
if (docs == null || docs.Count() != 2)
{
return new List<User>();
}
string[] myFollowedUserIds = docs.ElementAt(0).GetValues(FollowedUserIds);
string[] taFollowedUserIds = docs.ElementAt(1).GetValues(FollowedUserIds);
//比较相同的关注用户
IEnumerable<string> sameFollowedUserIds = myFollowedUserIds.Intersect(taFollowedUserIds);
//批量查询“共同关注的用户”列表
IEnumerable<User> sameFollowedUsers = userService.GetFullUsers(sameFollowedUserIds.Select(n => Convert.ToInt64(n)));
return sameFollowedUsers;
}
/// <summary>
/// 搜索共同关注的人
/// </summary>
/// <param name="userId">粉丝的用户ID</param>
/// <param name="pageIndex">页码</param>
/// <param name="pageSize">分页大小</param>
/// <param name="followedUserIdDic">每个相同关注用户中共同关注的用户ID列表</param>
/// <param name="followedUserDic">每个共同关注的用户的ID与User的映射</param>
/// <returns>符合搜索条件的User分页集合</returns>
public PagingDataSet<User> SearchInterestedWithFollows(long userId, int pageIndex, int pageSize, out Dictionary<long, IEnumerable<long>> followedUserIdDic, out Dictionary<long, User> followedUserDic)
{
followedUserIdDic = new Dictionary<long, IEnumerable<long>>();
followedUserDic = new Dictionary<long, User>();
if (userId <= 0)
{
return new PagingDataSet<User>(new List<User>());
}
//先查询当前用户关注的人(包括“悄悄关注”的用户)，此处需要调用数据库查询，因为索引中没有存储“是否悄悄关注”属性
IEnumerable<long> myFollowedUserIds = followService.GetPortionFollowedUserIds(userId);
if (myFollowedUserIds != null && myFollowedUserIds.Count() == 0)
{
return new PagingDataSet<User>(new List<User>());
}
//黑名单用户
IEnumerable<long> stopUserIds = new PrivacyService().GetStopedUsers(userId).Select(n => n.Key);
//搜索“我”关注的人中包含“共同关注的人”的用户
//使用LuceneSearchBuilder构建Lucene需要Query、Filter、Sort
Query query = null;
Filter filter = null;
Sort sort = null;
LuceneSearchBuilder searchBuilder = new LuceneSearchBuilder();
searchBuilder.WithFields(FollowedUserIds, myFollowedUserIds.Select(n => n.ToString()), true)
.NotWithField(UserId, userId.ToString())//排除掉当前用户
.NotWithFields(UserIndexDocument.UserId, myFollowedUserIds.Select(n => n.ToString()))//排除掉已关注用户
.NotWithFields(UserIndexDocument.UserId, stopUserIds.Select(n => n.ToString()));//排除掉黑名单用户
searchBuilder.BuildQuery(out query, out filter, out sort);
PagingDataSet<Document> searchResult = searchEngine.Search(query, filter, sort, pageIndex, pageSize);
IEnumerable<Document> docs = searchResult.ToList<Document>();
if (docs == null || docs.Count() == 0)
{
return new PagingDataSet<User>(new List<User>());
}
List<long> sameFollowedUserIdList = new List<long>();
//解析出搜索结果中的用户ID
List<long> followerUserIds = new List<long>();
foreach (Document doc in docs)
{
long followerUserId = long.Parse(doc.Get(UserId));
followerUserIds.Add(followerUserId);
//“我”关注的人关注的人
string[] followedUserIds = doc.GetValues(FollowedUserIds);
//比较获取“共同关注的人”
IEnumerable<long> sameFollowedUserIds = myFollowedUserIds.Intersect<long>(followedUserIds.Select(n => Convert.ToInt64(n)));
if (!followedUserIdDic.ContainsKey(followerUserId))
{
followedUserIdDic.Add(followerUserId, sameFollowedUserIds);
}
sameFollowedUserIdList.AddRange(sameFollowedUserIds);
}
//批量查询“共同关注的用户”列表
IEnumerable<User> followerUserList = userService.GetFullUsers(followerUserIds).Where(n => n.IsCanbeFollow == true && n.IsActivated == true && n.IsBanned == false);
//组装分页对象
PagingDataSet<User> users = new PagingDataSet<User>(followerUserList)
{
TotalRecords = searchResult.TotalRecords,
PageSize = searchResult.PageSize,
PageIndex = searchResult.PageIndex,
QueryDuration = searchResult.QueryDuration
};
//批量查询“共同关注的用户”关注的“共同关注用户”列表
IEnumerable<User> sameFollowedUserList = userService.GetFullUsers(sameFollowedUserIdList.Distinct());
followedUserDic = sameFollowedUserList.ToDictionary(n => n.UserId);
return users;
}
/// <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(CmsFullTextQuery cmsQuery)
{
LuceneSearchBuilder searchBuilder = new LuceneSearchBuilder();
//范围
Dictionary<string, BoostLevel> fieldNameAndBoosts = new Dictionary<string, BoostLevel>();
if (!string.IsNullOrEmpty(cmsQuery.Keyword))
{
switch (cmsQuery.Range)
{
case CmsSearchRange.TITLE:
searchBuilder.WithPhrase(CmsIndexDocument.Title, cmsQuery.Keyword, BoostLevel.Hight, false);
break;
case CmsSearchRange.BODY:
searchBuilder.WithPhrase(CmsIndexDocument.Body, cmsQuery.Keyword, BoostLevel.Hight, false);
break;
case CmsSearchRange.AUTHOR:
searchBuilder.WithPhrase(CmsIndexDocument.Author, cmsQuery.Keyword, BoostLevel.Hight, false);
break;
case CmsSearchRange.TAG:
searchBuilder.WithPhrase(CmsIndexDocument.Tag, cmsQuery.Keyword, BoostLevel.Hight, false);
break;
default:
fieldNameAndBoosts.Add(CmsIndexDocument.Title, BoostLevel.Hight);
fieldNameAndBoosts.Add(CmsIndexDocument.Summary, BoostLevel.Hight);
fieldNameAndBoosts.Add(CmsIndexDocument.Tag, BoostLevel.Medium);
fieldNameAndBoosts.Add(CmsIndexDocument.Body, BoostLevel.Medium);
fieldNameAndBoosts.Add(CmsIndexDocument.Author, BoostLevel.Low);
searchBuilder.WithPhrases(fieldNameAndBoosts, cmsQuery.Keyword, BooleanClause.Occur.SHOULD, false);
break;
}
}
//某个栏目
if (cmsQuery.ContentFolderId > 0)
{
searchBuilder.WithField(CmsIndexDocument.ContentFolderId, cmsQuery.ContentFolderId.ToString(), true, BoostLevel.Hight, true);
}
//过滤可以显示的资讯
switch (publiclyAuditStatus)
{
case PubliclyAuditStatus.Again:
case PubliclyAuditStatus.Fail:
case PubliclyAuditStatus.Pending:
case PubliclyAuditStatus.Success:
searchBuilder.WithField(CmsIndexDocument.AuditStatus, ((int)publiclyAuditStatus).ToString(), true, BoostLevel.Hight, true);
break;
case PubliclyAuditStatus.Again_GreaterThanOrEqual:
case PubliclyAuditStatus.Pending_GreaterThanOrEqual:
searchBuilder.WithinRange(CmsIndexDocument.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;
}
