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package com.tanpu.community.manager;
import com.google.common.collect.Sets;
import com.tanpu.biz.common.enums.community.CollectionTypeEnum;
import com.tanpu.biz.common.enums.community.CommentTypeEnum;
import com.tanpu.biz.common.enums.community.ReportTypeEnum;
import com.tanpu.common.api.CommonResp;
import com.tanpu.common.constant.ErrorCodeConstant;
import com.tanpu.common.exception.BizException;
import com.tanpu.community.api.beans.qo.CommentQo;
import com.tanpu.community.api.beans.req.comment.CreateCommentReq;
import com.tanpu.community.api.beans.req.comment.LikeCommentReq;
import com.tanpu.community.api.beans.req.comment.ReportCommentReq;
import com.tanpu.community.api.beans.vo.feign.fatools.UserInfoResp;
import com.tanpu.community.api.constants.BizConstant;
import com.tanpu.community.api.enums.NotificationTypeEnum;
import com.tanpu.community.api.enums.OperationTypeEnum;
import com.tanpu.community.cache.RedisCache;
import com.tanpu.community.dao.entity.community.CommentEntity;
import com.tanpu.community.dao.entity.community.ThemeEntity;
import com.tanpu.community.feign.fatools.FeignClientForFatools;
import com.tanpu.community.service.CollectionService;
import com.tanpu.community.service.CommentService;
import com.tanpu.community.service.FeignService;
import com.tanpu.community.service.NotificationService;
import com.tanpu.community.service.ReportLogService;
import com.tanpu.community.service.ThemeService;
import com.tanpu.community.service.TopicService;
import com.tanpu.community.service.quartz.TopicReportService;
import com.tanpu.community.util.ConvertUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import javax.annotation.Resource;
import java.time.LocalDateTime;
import java.util.ArrayDeque;
import java.util.Comparator;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import static com.tanpu.community.api.constants.RedisKeyConstant.CACHE_FEIGN_USER_INFO;
@Service
public class CommentManager {
@Autowired
private CommentService commentService;
@Autowired
private FeignClientForFatools feignClientForFatools;
@Autowired
private CollectionService collectionService;
@Resource
private ReportLogService reportLogService;
@Autowired
private RedisCache redisCache;
@Autowired
private NotificationService notificationService;
@Autowired
private ThemeService themeService;
@Resource
private TopicService topicService;
@Resource
private FeignService feignService;
@Autowired
private TopicReportService topicReportService;
// 评论（对主题）
// 发表评论（对主题）
public CommentQo comment(CreateCommentReq req, String userId) {
if (StringUtils.isEmpty(req.getComment())) {
throw new IllegalArgumentException("评论内容不能为空");
}
if (req.getComment().length() > 500) {
throw new IllegalArgumentException("评论内容不能超过500字");
}
LocalDateTime now = LocalDateTime.now();
CommentEntity commentEntity = CommentEntity.builder()
.themeId(req.getThemeId())
.parentId(req.getParentId())
.replyId(req.getReplyId())
.replyUserId(req.getReplyUserId())
.authorId(userId)
.content(req.getComment())
.commentType(CommentTypeEnum.THEME.getCode())
.createTime(now)
.updateTime(now)
.build();
commentService.insertComment(commentEntity);
CommentQo commentQo = ConvertUtil.commentEntity2Qo(commentEntity);
buildUserInfo(commentQo);
// 消息通知
ThemeEntity themeEntity = themeService.queryByThemeId(req.getThemeId());
if (themeEntity == null) {
throw new BizException(ErrorCodeConstant.UNREACHABLE);
}
// 一级回复通知发帖人，二级回复通知一级评论人
if (StringUtils.isNotBlank(req.getReplyUserId())) {
notificationService.insert(userId, req.getReplyUserId(), NotificationTypeEnum.COMMENT_REPLY, commentEntity.getCommentId(), req.getComment());
notificationService.putNotifyCache(req.getReplyUserId(), userId, NotificationTypeEnum.COMMENT_REPLY);
} else {
notificationService.insert(userId, themeEntity.getAuthorId(), NotificationTypeEnum.COMMENT, commentEntity.getCommentId(), req.getComment());
notificationService.putNotifyCache(themeEntity.getAuthorId(), userId, NotificationTypeEnum.COMMENT);
}
// 评论同步转发并消息通知
if (req.getSyncForward() == BizConstant.SyncForwardType.SYNC_FORWARD) {
String themeId = themeService.commentSyncForward(req, userId);
// 消息通知
ThemeEntity commentTheme = themeService.queryByThemeId(req.getThemeId());
notificationService.insertForward(userId, commentTheme.getAuthorId(), commentTheme.getThemeId(), "", req.getComment(), themeId);
notificationService.putNotifyCache(commentTheme.getAuthorId(), userId, NotificationTypeEnum.FORWARD);
}
if (StringUtils.isNotBlank(themeEntity.getTopicId())) {
topicReportService.reportTopicOnTime(themeEntity.getTopicId());
}
return commentQo;
}
// 查询评论
public List<CommentQo> queryComments(String themeId, String userId) {
// 因为需要排序，所以从库中查询所有评论
List<CommentEntity> commentEntities = commentService.selectByThemeId(themeId);
List<CommentQo> commentQos = ConvertUtil.commentEntity2Qos(commentEntities);
Set<String> likeCommentList;
if (StringUtils.isNotEmpty(userId)) {
likeCommentList = collectionService.getSetByUser(userId, CollectionTypeEnum.LIKE_COMMENT);
} else {
likeCommentList = Sets.newHashSetWithExpectedSize(0);
}
// 查询管理员
ThemeEntity themeEntity = themeService.queryByThemeId(themeId);
Set<String> managerId = topicService.getManagerId(themeEntity.getTopicId());
for (CommentQo commentQo : commentQos) {
// 封装用户信息
buildUserInfo(commentQo);
// 是否点赞及点赞数
String commentId = commentQo.getCommentId();
Integer likeCount = collectionService.getCountByTypeAndId(commentId, CollectionTypeEnum.LIKE_COMMENT);
commentQo.setLikeCount(likeCount);
commentQo.setHasLiked(likeCommentList.contains(commentId));
// 是否管理员
if (managerId.contains(commentQo.getAuthorId())) {
commentQo.setManager(true);
} else {
commentQo.setManager(false);
}
}
//排序：点赞降序+时间降序
return commentQos.stream().sorted(Comparator.comparing(CommentQo::getLikeCount, Comparator.reverseOrder()).
thenComparing(CommentQo::getUpdateTime, Comparator.reverseOrder()))
.collect(Collectors.toList());
}
private void buildUserInfo(CommentQo commentQo) {
String authorId = commentQo.getAuthorId();
UserInfoResp userInfo = redisCache.getObject(StringUtils.joinWith("_", CACHE_FEIGN_USER_INFO, authorId),
60, () -> this.getUserInfo(authorId), UserInfoResp.class);
if (userInfo != null) {
commentQo.setUserImg(userInfo.getHeadImageUrl());
commentQo.setNickName(userInfo.getNickName());
commentQo.setUserType(userInfo.getUserType());
commentQo.setLevelGrade(userInfo.getLevelGrade());
commentQo.setUserInvestorType(userInfo.getUserInvestorType());
commentQo.setBelongUserOrgId(userInfo.getBelongUserOrgId());
commentQo.setBelongUserOrgName(userInfo.getBelongUserOrgName());
}
// 回复用户名
if (StringUtils.isNotBlank(commentQo.getReplyUserId())) {
UserInfoResp userResp = feignService.getUserInfoById(commentQo.getReplyUserId());
if (userResp != null) {
commentQo.setReplyUserName(userResp.getNickName());
}
}
commentQo.setHasLiked(false);
commentQo.setLikeCount(0);
}
private UserInfoResp getUserInfo(String authorId) {
CommonResp<UserInfoResp> userInfoNewCommonResp = feignClientForFatools.queryUserInfoNew(authorId);
if (userInfoNewCommonResp.isNotSuccess()) {
throw new BizException("内部接口调用失败");
}
return userInfoNewCommonResp.getData();
}
//点赞评论/取消点赞
public void likeComment(LikeCommentReq req, String userId) {
if (OperationTypeEnum.CONFIRM.getCode().equals(req.getType())) {
boolean b = collectionService.saveOrUpdate(req.getCommentId(), userId, CollectionTypeEnum.LIKE_COMMENT);
if (b) {
CommentEntity commentEntity = commentService.queryByCommentId(req.getCommentId());
notificationService.insertLikeComment(userId, commentEntity.getAuthorId(), req.getCommentId());
notificationService.putNotifyCache(commentEntity.getAuthorId(), userId, NotificationTypeEnum.COMMENT_LIKE);
}
} else if (OperationTypeEnum.CANCEL.getCode().equals(req.getType())) {
collectionService.delete(req.getCommentId(), userId, CollectionTypeEnum.LIKE_COMMENT);
}
}
//举报评论
@Transactional
public void report(ReportCommentReq req, String userId) {
//更改举报状态
commentService.updateReportStatus(req.getCommentId());
//写入举报记录表
CommentEntity commentEntity = commentService.queryByIdIncludeDelete(req.getCommentId());
reportLogService.insert(ReportTypeEnum.COMMENT, userId, req.getCommentId(), commentEntity.getAuthorId(), req.getReason());
}
//删除评论
public void delete(String commentId, String userId) {
if (StringUtils.isBlank(commentId)) {
throw new BizException("commentId不能为空");
}
ArrayDeque<CommentEntity> queue = new ArrayDeque<>();
queue.add(commentService.queryByIdIncludeDelete(commentId));
// 循环删除二级评论的一级评论
while (!queue.isEmpty()) {
CommentEntity pop = queue.pop();
// 逻辑删除comment
CommentEntity commentEntity = commentService.delete(pop.getCommentId(), pop.getAuthorId());
// 删除站内信
ThemeEntity themeEntity = themeService.queryByThemeId(commentEntity.getThemeId());
notificationService.deleteCommentNotify(themeEntity.getAuthorId(), userId, commentId, commentEntity.getCreateTime());
// 递归
queue.addAll(commentService.queryReplyForComment(commentEntity.getCommentId()));
}
}
}