/// <summary>
/// 资讯分页搜索
/// </summary>
/// <param name="cmsQuery">搜索条件</param>
/// <returns>符合搜索条件的分页集合</returns>
public PagingDataSet <ContentItem> Search(CmsFullTextQuery cmsQuery)
{
if (cmsQuery.ContentFolderId == 0)
{
if (string.IsNullOrWhiteSpace(cmsQuery.Keyword))
{
return(new PagingDataSet <ContentItem>(new List <ContentItem>()));
}
}
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(cmsQuery);
//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, cmsQuery.PageIndex, cmsQuery.PageSize);
IEnumerable <Document> docs = searchResult.ToList <Document>();
//解析出搜索结果中的资讯ID
List <long> cmsContentItemIds = new List <long>();
//获取索引中资讯的标签
Dictionary <long, IEnumerable <string> > cmsTags = new Dictionary <long, IEnumerable <string> >();
foreach (Document doc in docs)
{
long cmsContentItemId = long.Parse(doc.Get(CmsIndexDocument.ContentItemId));
cmsContentItemIds.Add(cmsContentItemId);
cmsTags[cmsContentItemId] = doc.GetValues(CmsIndexDocument.Tag).ToList <string>();
}
//根据资讯ID列表批量查询资讯实例
IEnumerable <ContentItem> contentItemList = contentItemService.GetContentItems(cmsContentItemIds);
foreach (var contentItem in contentItemList)
{
if (cmsTags.ContainsKey(contentItem.ContentItemId))
{
contentItem.TagNames = cmsTags[contentItem.ContentItemId];
}
}
//组装分页对象
PagingDataSet <ContentItem> contentItems = new PagingDataSet <ContentItem>(contentItemList)
{
TotalRecords = searchResult.TotalRecords,
PageSize = searchResult.PageSize,
PageIndex = searchResult.PageIndex,
QueryDuration = searchResult.QueryDuration
};
return(contentItems);
}
/// <summary>
/// 日志分页搜索
/// </summary>
/// <param name="WikiQuery">搜索条件</param>
/// <returns>符合搜索条件的分页集合</returns>
public PagingDataSet <WikiPage> Search(WikiFullTextQuery WikiQuery)
{
if (WikiQuery.SiteCategoryId == 0)
{
if (string.IsNullOrWhiteSpace(WikiQuery.Keyword))
{
return(new PagingDataSet <WikiPage>(new List <WikiPage>()));
}
}
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(WikiQuery);
//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, WikiQuery.PageIndex, WikiQuery.PageSize);
IEnumerable <Document> docs = searchResult.ToList <Document>();
//解析出搜索结果中的日志ID
List <long> WikiPageIds = new List <long>();
//获取索引中百科的标签
Dictionary <long, IEnumerable <string> > WikiTags = new Dictionary <long, IEnumerable <string> >();
foreach (Document doc in docs)
{
long WikiPageId = long.Parse(doc.Get(WikiIndexDocument.PageId));
WikiPageIds.Add(WikiPageId);
WikiTags[WikiPageId] = doc.GetValues(WikiIndexDocument.Tag).ToList <string>();
}
//根据日志ID列表批量查询日志实例
IEnumerable <WikiPage> WikiPageList = wikiService.GetWikiPages(WikiPageIds);
foreach (var WikiPage in WikiPageList)
{
if (WikiTags.ContainsKey(WikiPage.PageId))
{
WikiPage.TagNames = WikiTags[WikiPage.PageId];
}
}
//组装分页对象
PagingDataSet <WikiPage> WikiPages = new PagingDataSet <WikiPage>(WikiPageList)
{
TotalRecords = searchResult.TotalRecords,
PageSize = searchResult.PageSize,
PageIndex = searchResult.PageIndex,
QueryDuration = searchResult.QueryDuration
};
return(WikiPages);
}
/// <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>
/// 微博分页搜索
/// </summary>
/// <param name="query">搜索条件</param>
/// <returns>符合搜索条件的分页集合</returns>
public PagingDataSet <MicroblogEntity> Search(MicroblogFullTextQuery microBlogQuery)
{
if (microBlogQuery.Keywords == null && string.IsNullOrWhiteSpace(microBlogQuery.Keyword) && microBlogQuery.SearchTerm == MicroblogSearchTerm.ALL)
{
return(new PagingDataSet <MicroblogEntity>(new List <MicroblogEntity>()));
}
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(microBlogQuery);
//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, microBlogQuery.PageIndex, microBlogQuery.PageSize);
IEnumerable <Document> docs = searchResult.ToList <Document>();
//解析出搜索结果中的微博ID
List <long> microblogIds = new List <long>();
foreach (Document doc in docs)
{
long microblogId = long.Parse(doc.Get(MicroblogIndexDocument.MicroblogId));
microblogIds.Add(microblogId);
}
//根据微博ID列表批量查询微博实例
IEnumerable <MicroblogEntity> microblogList = microBlogService.GetMicroblogs(microblogIds);
//组装分页对象
PagingDataSet <MicroblogEntity> microblogs = new PagingDataSet <MicroblogEntity>(microblogList)
{
TotalRecords = searchResult.TotalRecords,
PageSize = searchResult.PageSize,
PageIndex = searchResult.PageIndex,
QueryDuration = searchResult.QueryDuration
};
return(microblogs);
}
/// <summary>
/// 用户搜索
/// </summary>
/// <param name="userQuery">搜索条件</param>
/// <returns>符合搜索条件的User分页集合</returns>
public PagingDataSet <User> Search(UserFullTextQuery userQuery)
{
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(userQuery);
//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SearchEngine.Search(),执行搜索
PagingDataSet <Document> searchResult = searchEngine.Search(query, filter, sort, userQuery.PageIndex, userQuery.PageSize);
IEnumerable <Document> docs = searchResult.ToList <Document>();
//解析出搜索结果中的用户ID
List <long> userIds = new List <long>();
foreach (Document doc in docs)
{
long userId = long.Parse(doc.Get(UserIndexDocument.UserId));
userIds.Add(userId);
}
//根据用户ID列表批量查询用户实例
IEnumerable <User> userList = userService.GetFullUsers(userIds);
//根据用户ID列表批量查询UserProfile实例，利用Repository的自动缓存机制，减少页面加载时的关联数据库查询次数
//对于UserProfile的Tag、WorkExperience、EducationExperience，目前页面列表不显示，暂不处理
userProfileService.GetUserProfiles(userIds);
//组装分页对象
PagingDataSet <User> users = new PagingDataSet <User>(userList)
{
TotalRecords = searchResult.TotalRecords,
PageSize = searchResult.PageSize,
PageIndex = searchResult.PageIndex,
QueryDuration = searchResult.QueryDuration
};
return(users);
}
/// <summary>
/// 问答分页搜索
/// </summary>
/// <param name="askQuery">搜索条件</param>
/// <returns>符合条件的分页集合</returns>
public PagingDataSet <AskQuestion> Search(AskFullTextQuery askQuery)
{
if (string.IsNullOrWhiteSpace(askQuery.Keyword) && askQuery.IsRelation == false && askQuery.IsAlike == false)
{
return(new PagingDataSet <AskQuestion>(new List <AskQuestion>()));
}
LuceneSearchBuilder searchBuilder = BuilderLuceneSearchBuilder(askQuery);
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, askQuery.PageIndex, askQuery.PageSize);
IEnumerable <Document> docs = searchResult.ToList <Document>();
//问题ids
List <long> questionIds = new List <long>();
foreach (Document doc in docs)
{
long questionId = long.Parse(doc.Get(AskIndexDocument.QuestionId));
questionIds.Add(questionId);
}
//根据ids批量获取问题实体
IEnumerable <AskQuestion> questionList = askService.GetQuestions(questionIds);
//组装分页对象
PagingDataSet <AskQuestion> questions = new PagingDataSet <AskQuestion>(questionList)
{
TotalRecords = searchResult.TotalRecords,
PageIndex = searchResult.PageIndex,
PageSize = searchResult.PageSize,
QueryDuration = searchResult.QueryDuration
};
return(questions);
}
/// <summary>
/// 标签搜索
/// </summary>
public IEnumerable <string> Search(string tagName, int topNumber, long ownerId = 0)
{
if (string.IsNullOrWhiteSpace(tagName))
{
return(new List <string>());
}
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(tagName, ownerId);
//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SearchEngine.Search(),执行搜索
IEnumerable <Document> searchResult = searchEngine.Search(query, filter, sort, topNumber);
return(searchResult.Select(d => d.Get(TagIndexDocument.TagName)));
}
/// <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>
/// 自动完成搜索
/// </summary>
/// <param name="userQuery"></param>
/// <returns></returns>
public IEnumerable <User> AutoCompleteSearch(UserFullTextQuery userQuery)
{
if (string.IsNullOrWhiteSpace(userQuery.Keyword))
{
return(new List <User>());
}
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(userQuery);
//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
IEnumerable <Document> docs = searchEngine.Search(query, filter, sort, userQuery.PageSize);
//解析出搜索结果中的用户ID
List <long> userIds = new List <long>();
foreach (Document doc in docs)
{
long userId = long.Parse(doc.Get(UserIndexDocument.UserId));
userIds.Add(userId);
}
//根据用户ID列表批量查询用户实例
IEnumerable <User> users = userService.GetFullUsers(userIds);
//根据用户ID列表批量查询用户相关实例，利用Repository的自动缓存机制，减少页面加载时的关联数据库查询次数
IEnumerable <UserProfile> userProfiles = userProfileService.GetUserProfiles(userIds);
return(users);
}
/// <summary>
/// 照片搜索
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public PagingDataSet <Photo> Search(PhotoFullTextQuery query)
{
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(query);
//使用LuceneSearchBuilder构建Lucene需要Query、Filter、Sort
Query photoQuery = null;
Filter filter = null;
Sort sort = null;
searchBuilder.BuildQuery(out photoQuery, out filter, out sort);
//调用SearchEngine.Search(),执行搜索
PagingDataSet <Document> searchResult = searchEngine.Search(photoQuery, filter, sort, query.PageIndex, query.PageSize);
IEnumerable <Document> docs = searchResult.ToList <Document>();
//解析出PhotoId,组装Photo实体
List <long> photoIds = new List <long>();
foreach (var doc in docs)
{
long photoId = long.Parse(doc.Get(PhotoIndexDocument.PhotoId));
photoIds.Add(photoId);
}
IEnumerable <Photo> photoList = photoService.GetPhotos(photoIds);
//组装分页集合
PagingDataSet <Photo> photos = new PagingDataSet <Photo>(photoList)
{
TotalRecords = searchResult.TotalRecords,
PageIndex = searchResult.PageIndex,
PageSize = searchResult.PageSize,
QueryDuration = searchResult.QueryDuration
};
return(photos);
}
/// <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(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>
/// 微博分页搜索
/// </summary>
/// <param name="query">搜索条件</param>
/// <returns>符合搜索条件的分页集合</returns>
public PagingDataSet <BarEntity> Search(BarFullTextQuery barQuery)
{
if (string.IsNullOrWhiteSpace(barQuery.Keyword))
{
return(new PagingDataSet <BarEntity>(new List <BarEntity>()));
}
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(barQuery);
//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, barQuery.PageIndex, barQuery.PageSize);
IEnumerable <Document> docs = searchResult.ToList <Document>();
//解析出搜索结果中的发帖ID
List <long> barthreadIds = new List <long>();
//解析出搜索结果中的回帖ID
List <long> barpostIds = new List <long>();
//获取索引中发帖的标签
Dictionary <long, List <string> > barTags = new Dictionary <long, List <string> >();
//获取帖吧名
Dictionary <long, string> barSectionNames = new Dictionary <long, string>();
//获取索引中回帖的标题
Dictionary <long, string> barPostSubjects = new Dictionary <long, string>();
foreach (Document doc in docs)
{
//是回帖
if (doc.Get(BarIndexDocument.IsPost) == "1")
{
long postId = long.Parse(doc.Get(BarIndexDocument.PostId));
barpostIds.Add(postId);
string subject = doc.Get(BarIndexDocument.Subject);
barPostSubjects[postId] = subject;
}
else
{
long threadId = long.Parse(doc.Get(BarIndexDocument.ThreadId));
barthreadIds.Add(threadId);
//if (!string.IsNullOrWhiteSpace(doc.Get(BarIndexDocument.Tag)))
//{
barTags[threadId] = doc.GetValues(BarIndexDocument.Tag).ToList <string>();
//}
}
long sectionId = long.Parse(doc.Get(BarIndexDocument.SectionId));
if (!barSectionNames.ContainsKey(sectionId))
{
string sectionName = barSectionService.Get(sectionId).Name;
barSectionNames[sectionId] = sectionName;
}
}
//根据发帖ID列表批量查询发帖实例
IEnumerable <BarThread> barThreadList = barThreadService.GetBarThreads(barthreadIds);
//根据回帖ID列表批量查询回帖实例
IEnumerable <BarPost> barPostList = barPostService.GetBarPosts(barpostIds);
//组装帖子列表
List <BarEntity> barEntityList = new List <BarEntity>();
foreach (var barThread in barThreadList)
{
BarEntity barEntity = new BarEntity();
barEntity.SectionId = barThread.SectionId;
barEntity.ThreadId = barThread.ThreadId;
barEntity.PostId = 0;
barEntity.Subject = barThread.Subject;
barEntity.Body = barThread.GetBody();
barEntity.UserId = barThread.UserId;
barEntity.Author = barThread.Author;
if (barTags.Keys.Contains(barEntity.ThreadId))
{
barEntity.Tag = barTags.Count == 0 ? new List <string>() : barTags[barEntity.ThreadId];
}
else
{
barEntity.Tag = new List <string>();
}
if (barSectionNames.Keys.Contains(barEntity.SectionId))
{
barEntity.SectionName = barSectionNames.Count == 0 ? "" : barSectionNames[barEntity.SectionId];
}
else
{
barEntity.SectionName = "";
}
barEntity.DateCreated = barThread.DateCreated;
barEntity.IsPost = false;
barEntityList.Add(barEntity);
}
foreach (var barPost in barPostList)
{
BarEntity barEntity = new BarEntity();
barEntity.SectionId = barPost.SectionId;
barEntity.ThreadId = barPost.ThreadId;
barEntity.PostId = barPost.PostId;
barEntity.Subject = barPostSubjects[barPost.PostId];
barEntity.UserId = barPost.UserId;
barEntity.Body = barPost.GetBody();
barEntity.Author = barPost.Author;
barEntity.Tag = null;
if (barSectionNames.Keys.Contains(barEntity.SectionId))
{
barEntity.SectionName = barSectionNames.Count == 0 ? "" : barSectionNames[barEntity.SectionId];
}
else
{
barEntity.SectionName = "";
}
barEntity.DateCreated = barPost.DateCreated;
barEntity.IsPost = true;
barEntityList.Add(barEntity);
}
//组装分页对象
PagingDataSet <BarEntity> barEntities = new PagingDataSet <BarEntity>(barEntityList.OrderByDescending(b => b.DateCreated))
{
TotalRecords = searchResult.TotalRecords,
PageSize = searchResult.PageSize,
PageIndex = searchResult.PageIndex,
QueryDuration = searchResult.QueryDuration
};
return(barEntities);
}
//fixed by wanf
/// <summary>
/// 专题分页搜索
/// </summary>
/// <param name="groupQuery">搜索条件</param>
/// <param name="interestTopic">是否是查询可能感兴趣的专题</param>
/// <returns>符合搜索条件的分页集合</returns>
public PagingDataSet <TopicEntity> Search(TopicFullTextQuery groupQuery, bool interestTopic = false)
{
if (!interestTopic)
{
if (string.IsNullOrWhiteSpace(groupQuery.Keyword) && !groupQuery.KeywordIsNull)
{
return(new PagingDataSet <TopicEntity>(new List <TopicEntity>()));
}
}
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(groupQuery, interestTopic);
//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, groupQuery.PageIndex, groupQuery.PageSize);
IEnumerable <Document> docs = searchResult.ToList <Document>();
//解析出搜索结果中的专题ID
List <long> groupIds = new List <long>();
//获取索引中专题的标签
Dictionary <long, IEnumerable <string> > groupTags = new Dictionary <long, IEnumerable <string> >();
//获取索引中专题的分类名
Dictionary <long, string> categoryNames = new Dictionary <long, string>();
foreach (Document doc in docs)
{
long groupId = long.Parse(doc.Get(TopicIndexDocument.TopicId));
groupIds.Add(groupId);
groupTags[groupId] = doc.GetValues(TopicIndexDocument.Tag).ToList <string>();
categoryNames[groupId] = doc.Get(TopicIndexDocument.CategoryName);
}
//根据专题ID列表批量查询专题实例
IEnumerable <TopicEntity> groupList = topicService.GetTopicEntitiesByIds(groupIds);
foreach (var group in groupList)
{
if (groupTags.ContainsKey(group.TopicId))
{
group.TagNames = groupTags[group.TopicId];
}
if (categoryNames.ContainsKey(group.TopicId))
{
group.CategoryName = categoryNames[group.TopicId];
}
}
//组装分页对象
PagingDataSet <TopicEntity> TopicEntitys = new PagingDataSet <TopicEntity>(groupList)
{
TotalRecords = searchResult.TotalRecords,
PageSize = searchResult.PageSize,
PageIndex = searchResult.PageIndex,
QueryDuration = searchResult.QueryDuration
};
return(TopicEntitys);
}
/// <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>
/// 搜索“毕业于同一学校”的用户/// </summary>
/// <param name="userId">当前用户的ID</param>
/// <param name="pageIndex">分页页码</param>
/// <param name="pageSize">分页大小</param>
/// <param name="schoolNameDic">存储用户ID到学校名称列表的映射，用于页面列表输出</param>
/// <returns></returns>
public PagingDataSet <User> SearchInterestedWithSchools(long userId, int pageIndex, int pageSize, out Dictionary <long, IEnumerable <string> > schoolNameDic)
{
//Dictionary，用于页面列表输出
schoolNameDic = 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学校名称
//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() == 0)
{
return(new PagingDataSet <User>(new List <User>()));
}
string[] mySchoolNames = docs.First <Document>().GetValues(UserIndexDocument.School);
//当前用户无学校，直接返回空列表
if (mySchoolNames != null && mySchoolNames.Count() == 0)
{
return(new PagingDataSet <User>(new List <User>()));
}
//查找有相同学校名称的用户
//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(1);
//搜索条件需要排除掉当前用户本身
searchBuilder.WithPhrases(UserIndexDocument.School, mySchoolNames.Distinct().Take(3).ToList())
.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>();
//如果没有使用相同学校名称的用户，直接返回空列表
if (docs == null || docs.Count() == 0)
{
return(new PagingDataSet <User>(new List <User>()));
}
//“相同学校名称”的用户ID列表
List <long> sameUserIds = new List <long>();
foreach (Document doc in docs)
{
//比较获取“相同的学校名称”
List <string> sameSchoolNames = new List <string>();
string[] schoolNames = doc.GetValues(UserIndexDocument.School);
foreach (string mySchoolName in mySchoolNames)
{
foreach (string schoolName in schoolNames)
{
if (schoolName.Equals(mySchoolName) || schoolName.Contains(mySchoolName))
{
sameSchoolNames.Add(mySchoolName);
break;
}
}
}
long sameUserId = long.Parse(doc.Get(UserIndexDocument.UserId));
sameUserIds.Add(sameUserId);
//加入Dictionary，用于页面列表输出
if (!schoolNameDic.ContainsKey(sameUserId))
{
schoolNameDic.Add(sameUserId, sameSchoolNames);
}
}
//批量查询“相同学校名称”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>
/// 日志分页搜索
/// </summary>
/// <param name="journalQuery">搜索条件</param>
/// <returns>符合搜索条件的分页集合</returns>
public PagingDataSet <Journal> Search(JournalFullTextQuery journalQuery)
{
if (journalQuery.SiteCategoryId == 0 && journalQuery.LoginId == 0 && journalQuery.UserId == 0)
{
if (string.IsNullOrWhiteSpace(journalQuery.Keyword) && journalQuery.IsRelationJournal == false)
{
return(new PagingDataSet <Journal>(new List <Journal>()));
}
}
LuceneSearchBuilder searchBuilder = BuildLuceneSearchBuilder(journalQuery);
//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, journalQuery.PageIndex, journalQuery.PageSize);
IEnumerable <Document> docs = searchResult.ToList <Document>();
//解析出搜索结果中的日志ID
List <long> journalIds = new List <long>();
//获取索引中日志的标签
Dictionary <long, IEnumerable <string> > journalTags = new Dictionary <long, IEnumerable <string> >();
//获取索引中日志的用户分类名
Dictionary <long, IEnumerable <string> > journalOwnerCategoryNames = new Dictionary <long, IEnumerable <string> >();
foreach (Document doc in docs)
{
long journalid = long.Parse(doc.Get(JournalIndexDocument.id));
journalIds.Add(journalid);
//journalTags[journalid] = doc.GetValues(JournalIndexDocument.Tag).ToList<string>();
//journalOwnerCategoryNames[journalid] = doc.GetValues(JournalIndexDocument.OwnerCategoryName).ToList<string>();
}
//根据日志ID列表批量查询日志实例
IEnumerable <Journal> journalList = journalService.GetJournalsByIds(journalIds);
/*foreach (var journal in journalList)
* {
* journal.Body = journal.GetBody();
* if (blogTags.ContainsKey(journal.ThreadId))
* {
* journal.TagNames = blogTags[journal.ThreadId];
* }
* if (journalOwnerCategoryNames.ContainsKey(journal.ThreadId))
* {
* journal.OwnerCategoryNames = journalOwnerCategoryNames[journal.ThreadId];
* }
* }
*/
//组装分页对象
PagingDataSet <Journal> journals = new PagingDataSet <Journal>(journalList)
{
TotalRecords = searchResult.TotalRecords,
PageSize = searchResult.PageSize,
PageIndex = searchResult.PageIndex,
QueryDuration = searchResult.QueryDuration
};
return(journals);
}