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449 lines
13 KiB
449 lines
13 KiB
// Copyright 2022 ROC. All rights reserved.
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// Use of this source code is governed by a MIT style
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// license that can be found in the LICENSE file.
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package jinzhu
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import (
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"fmt"
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"time"
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"github.com/rocboss/paopao-ce/internal/core"
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"github.com/rocboss/paopao-ce/internal/core/cs"
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"github.com/rocboss/paopao-ce/internal/core/ms"
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"github.com/rocboss/paopao-ce/internal/dao/jinzhu/dbr"
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"github.com/rocboss/paopao-ce/pkg/types"
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"gorm.io/gorm"
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)
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var (
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_ core.CommentService = (*commentSrv)(nil)
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_ core.CommentManageService = (*commentManageSrv)(nil)
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)
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type commentSrv struct {
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db *gorm.DB
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}
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type commentManageSrv struct {
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db *gorm.DB
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cms core.CommentMetricServantA
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}
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func newCommentService(db *gorm.DB) core.CommentService {
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return &commentSrv{
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db: db,
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}
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}
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func newCommentManageService(db *gorm.DB, cms core.CommentMetricServantA) core.CommentManageService {
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return &commentManageSrv{
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db: db,
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cms: cms,
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}
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}
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func (s *commentSrv) GetCommentThumbsMap(userId int64, tweetId int64) (cs.CommentThumbsMap, cs.CommentThumbsMap, error) {
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if userId < 0 {
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return nil, nil, nil
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}
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commentThumbsList := cs.CommentThumbsList{}
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err := s.db.Model(&dbr.TweetCommentThumbs{}).Where("user_id=? AND tweet_id=?", userId, tweetId).Find(&commentThumbsList).Error
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if err != nil {
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return nil, nil, err
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}
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commentThumbs, replyThumbs := make(cs.CommentThumbsMap), make(cs.CommentThumbsMap)
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for _, thumbs := range commentThumbsList {
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if thumbs.CommentType == 0 {
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commentThumbs[thumbs.CommentID] = thumbs
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} else {
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replyThumbs[thumbs.ReplyID] = thumbs
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}
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}
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return commentThumbs, replyThumbs, nil
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}
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func (s *commentSrv) GetComments(tweetId int64, style cs.StyleCommentType, limit int, offset int) (res []*ms.Comment, total int64, err error) {
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db := s.db.Table(_comment_)
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sort := "is_essence DESC, id ASC"
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switch style {
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case cs.StyleCommentHots:
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// rank_score=评论回复数*2+点赞*4-点踩, order byrank_score DESC
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db = db.Joins(fmt.Sprintf("LEFT JOIN %s m ON %s.id=m.comment_id AND m.is_del=0", _commentMetric_, _comment_))
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sort = fmt.Sprintf("is_essence DESC, m.rank_score DESC, %s.id DESC", _comment_)
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case cs.StyleCommentNewest:
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sort = "is_essence DESC, id DESC"
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case cs.StyleCommentDefault:
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fallthrough
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default:
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// nothing
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}
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db = db.Where("post_id=?", tweetId)
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if err = db.Count(&total).Error; err != nil {
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return
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}
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err = db.Order(sort).Limit(limit).Offset(offset).Find(&res).Error
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return
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}
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func (s *commentSrv) GetCommentByID(id int64) (*ms.Comment, error) {
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comment := &dbr.Comment{
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Model: &dbr.Model{
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ID: id,
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},
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}
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return comment.Get(s.db)
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}
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func (s *commentSrv) GetCommentReplyByID(id int64) (*ms.CommentReply, error) {
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reply := &dbr.CommentReply{
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Model: &dbr.Model{
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ID: id,
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},
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}
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return reply.Get(s.db)
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}
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func (s *commentSrv) GetCommentCount(conditions *ms.ConditionsT) (int64, error) {
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return (&dbr.Comment{}).Count(s.db, conditions)
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}
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func (s *commentSrv) GetCommentContentsByIDs(ids []int64) ([]*ms.CommentContent, error) {
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commentContent := &dbr.CommentContent{}
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return commentContent.List(s.db, &dbr.ConditionsT{
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"comment_id IN ?": ids,
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}, 0, 0)
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}
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func (s *commentSrv) GetCommentRepliesByID(ids []int64) ([]*ms.CommentReplyFormated, error) {
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CommentReply := &dbr.CommentReply{}
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replies, err := CommentReply.List(s.db, &dbr.ConditionsT{
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"comment_id IN ?": ids,
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"ORDER": "id ASC",
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}, 0, 0)
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if err != nil {
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return nil, err
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}
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userIds := []int64{}
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for _, reply := range replies {
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userIds = append(userIds, reply.UserID, reply.AtUserID)
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}
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users, err := getUsersByIDs(s.db, userIds)
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if err != nil {
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return nil, err
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}
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repliesFormated := []*ms.CommentReplyFormated{}
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for _, reply := range replies {
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replyFormated := reply.Format()
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for _, user := range users {
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if reply.UserID == user.ID {
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replyFormated.User = user.Format()
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}
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if reply.AtUserID == user.ID {
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replyFormated.AtUser = user.Format()
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}
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}
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repliesFormated = append(repliesFormated, replyFormated)
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}
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return repliesFormated, nil
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}
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func (s *commentManageSrv) HighlightComment(userId, commentId int64) (res int8, err error) {
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post := &dbr.Post{}
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comment := &dbr.Comment{}
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db := s.db.Model(comment)
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if err = db.Where("id=?", commentId).First(comment).Error; err != nil {
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return
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}
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if err = s.db.Table(_post_).Where("id=?", comment.PostID).First(post).Error; err != nil {
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return
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}
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if post.UserID != userId {
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return 0, cs.ErrNoPermission
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}
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comment.IsEssence = 1 - comment.IsEssence
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return comment.IsEssence, db.Save(comment).Error
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}
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func (s *commentManageSrv) DeleteComment(comment *ms.Comment) (err error) {
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db := s.db.Begin()
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defer db.Rollback()
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if err = comment.Delete(db); err != nil {
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return
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}
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err = db.Model(&dbr.TweetCommentThumbs{}).Where("user_id=? AND tweet_id=? AND comment_id=?", comment.UserID, comment.PostID, comment.ID).Updates(map[string]any{
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"deleted_on": time.Now().Unix(),
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"is_del": 1,
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}).Error
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if err != nil {
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return
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}
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db.Commit()
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if err == nil {
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// 对错误宽松处理，暂时就不处理
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s.cms.DeleteCommentMetric(comment.ID)
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}
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return
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}
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func (s *commentManageSrv) CreateComment(comment *ms.Comment) (res *ms.Comment, err error) {
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if res, err = comment.Create(s.db); err == nil {
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// 对错误宽松处理，暂时就不处理
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s.cms.AddCommentMetric(res.ID)
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}
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return
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}
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func (s *commentManageSrv) CreateCommentReply(reply *ms.CommentReply) (res *ms.CommentReply, err error) {
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if res, err = reply.Create(s.db); err == nil {
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// 宽松处理错误
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s.db.Table(_comment_).Where("id=?", reply.CommentID).Update("reply_count", gorm.Expr("reply_count+1"))
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}
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return
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}
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func (s *commentManageSrv) DeleteCommentReply(reply *ms.CommentReply) (err error) {
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db := s.db.Begin()
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defer db.Rollback()
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err = reply.Delete(s.db)
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if err != nil {
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return
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}
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err = db.Model(&dbr.TweetCommentThumbs{}).
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Where("user_id=? AND comment_id=? AND reply_id=?", reply.UserID, reply.CommentID, reply.ID).Updates(map[string]any{
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"deleted_on": time.Now().Unix(),
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"is_del": 1,
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}).Error
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if err != nil {
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return
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}
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// 宽松处理错误
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db.Table(_comment_).Where("id=?", reply.CommentID).Update("reply_count", gorm.Expr("reply_count-1"))
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db.Commit()
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return
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}
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func (s *commentManageSrv) CreateCommentContent(content *ms.CommentContent) (*ms.CommentContent, error) {
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return content.Create(s.db)
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}
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func (s *commentManageSrv) ThumbsUpComment(userId int64, tweetId, commentId int64) error {
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db := s.db.Begin()
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defer db.Rollback()
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var (
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thumbsUpCount int32 = 0
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thumbsDownCount int32 = 0
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)
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commentThumbs := &dbr.TweetCommentThumbs{}
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// 检查thumbs状态
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err := s.db.Where("user_id=? AND tweet_id=? AND comment_id=? AND comment_type=0", userId, tweetId, commentId).Take(commentThumbs).Error
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if err == nil {
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switch {
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case commentThumbs.IsThumbsUp == types.Yes && commentThumbs.IsThumbsDown == types.No:
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thumbsUpCount, thumbsDownCount = -1, 0
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case commentThumbs.IsThumbsUp == types.No && commentThumbs.IsThumbsDown == types.No:
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thumbsUpCount, thumbsDownCount = 1, 0
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default:
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thumbsUpCount, thumbsDownCount = 1, -1
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commentThumbs.IsThumbsDown = types.No
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}
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commentThumbs.IsThumbsUp = 1 - commentThumbs.IsThumbsUp
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commentThumbs.ModifiedOn = time.Now().Unix()
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} else {
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commentThumbs = &dbr.TweetCommentThumbs{
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UserID: userId,
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TweetID: tweetId,
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CommentID: commentId,
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IsThumbsUp: types.Yes,
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IsThumbsDown: types.No,
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CommentType: 0,
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Model: &dbr.Model{
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CreatedOn: time.Now().Unix(),
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},
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}
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thumbsUpCount, thumbsDownCount = 1, 0
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}
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// 更新thumbs状态
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if err = s.db.Save(commentThumbs).Error; err != nil {
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return err
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}
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// 更新thumbsUpCount
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if err = s.updateCommentThumbsUpCount(&dbr.Comment{}, commentId, thumbsUpCount, thumbsDownCount); err != nil {
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return err
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}
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db.Commit()
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return nil
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}
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func (s *commentManageSrv) ThumbsDownComment(userId int64, tweetId, commentId int64) error {
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db := s.db.Begin()
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defer db.Rollback()
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var (
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thumbsUpCount int32 = 0
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thumbsDownCount int32 = 0
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)
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commentThumbs := &dbr.TweetCommentThumbs{}
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// 检查thumbs状态
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err := s.db.Where("user_id=? AND tweet_id=? AND comment_id=? AND comment_type=0", userId, tweetId, commentId).Take(commentThumbs).Error
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if err == nil {
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switch {
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case commentThumbs.IsThumbsDown == types.Yes:
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thumbsUpCount, thumbsDownCount = 0, -1
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case commentThumbs.IsThumbsDown == types.No && commentThumbs.IsThumbsUp == types.No:
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thumbsUpCount, thumbsDownCount = 0, 1
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default:
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thumbsUpCount, thumbsDownCount = -1, 1
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commentThumbs.IsThumbsUp = types.No
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}
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commentThumbs.IsThumbsDown = 1 - commentThumbs.IsThumbsDown
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commentThumbs.ModifiedOn = time.Now().Unix()
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} else {
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commentThumbs = &dbr.TweetCommentThumbs{
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UserID: userId,
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TweetID: tweetId,
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CommentID: commentId,
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IsThumbsUp: types.No,
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IsThumbsDown: types.Yes,
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CommentType: 0,
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Model: &dbr.Model{
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CreatedOn: time.Now().Unix(),
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},
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}
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thumbsUpCount, thumbsDownCount = 0, 1
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}
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// 更新thumbs状态
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if err = s.db.Save(commentThumbs).Error; err != nil {
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return err
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}
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// 更新thumbsUpCount
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if err = s.updateCommentThumbsUpCount(&dbr.Comment{}, commentId, thumbsUpCount, thumbsDownCount); err != nil {
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return err
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}
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db.Commit()
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return nil
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}
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func (s *commentManageSrv) ThumbsUpReply(userId int64, tweetId, commentId, replyId int64) error {
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db := s.db.Begin()
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defer db.Rollback()
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var (
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thumbsUpCount int32 = 0
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thumbsDownCount int32 = 0
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)
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commentThumbs := &dbr.TweetCommentThumbs{}
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// 检查thumbs状态
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err := s.db.Where("user_id=? AND tweet_id=? AND comment_id=? AND reply_id=? AND comment_type=1", userId, tweetId, commentId, replyId).Take(commentThumbs).Error
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if err == nil {
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switch {
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case commentThumbs.IsThumbsUp == types.Yes:
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thumbsUpCount, thumbsDownCount = -1, 0
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case commentThumbs.IsThumbsUp == types.No && commentThumbs.IsThumbsDown == types.No:
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thumbsUpCount, thumbsDownCount = 1, 0
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default:
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thumbsUpCount, thumbsDownCount = 1, -1
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commentThumbs.IsThumbsDown = types.No
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}
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commentThumbs.IsThumbsUp = 1 - commentThumbs.IsThumbsUp
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commentThumbs.ModifiedOn = time.Now().Unix()
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} else {
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commentThumbs = &dbr.TweetCommentThumbs{
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UserID: userId,
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TweetID: tweetId,
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CommentID: commentId,
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ReplyID: replyId,
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IsThumbsUp: types.Yes,
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IsThumbsDown: types.No,
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CommentType: 1,
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Model: &dbr.Model{
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CreatedOn: time.Now().Unix(),
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},
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}
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thumbsUpCount, thumbsDownCount = 1, 0
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}
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// 更新thumbs状态
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if err = s.db.Save(commentThumbs).Error; err != nil {
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return err
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}
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// 更新thumbsUpCount
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if err = s.updateCommentThumbsUpCount(&dbr.CommentReply{}, replyId, thumbsUpCount, thumbsDownCount); err != nil {
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return err
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}
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db.Commit()
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return nil
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}
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func (s *commentManageSrv) ThumbsDownReply(userId int64, tweetId, commentId, replyId int64) error {
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db := s.db.Begin()
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defer db.Rollback()
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var (
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thumbsUpCount int32 = 0
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thumbsDownCount int32 = 0
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)
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commentThumbs := &dbr.TweetCommentThumbs{}
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// 检查thumbs状态
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err := s.db.Where("user_id=? AND tweet_id=? AND comment_id=? AND reply_id=? AND comment_type=1", userId, tweetId, commentId, replyId).Take(commentThumbs).Error
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if err == nil {
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switch {
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case commentThumbs.IsThumbsDown == types.Yes:
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thumbsUpCount, thumbsDownCount = 0, -1
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case commentThumbs.IsThumbsUp == types.No && commentThumbs.IsThumbsDown == types.No:
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thumbsUpCount, thumbsDownCount = 0, 1
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default:
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thumbsUpCount, thumbsDownCount = -1, 1
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commentThumbs.IsThumbsUp = types.No
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}
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commentThumbs.IsThumbsDown = 1 - commentThumbs.IsThumbsDown
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commentThumbs.ModifiedOn = time.Now().Unix()
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} else {
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commentThumbs = &dbr.TweetCommentThumbs{
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UserID: userId,
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TweetID: tweetId,
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CommentID: commentId,
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ReplyID: replyId,
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IsThumbsUp: types.No,
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IsThumbsDown: types.Yes,
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CommentType: 1,
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Model: &dbr.Model{
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CreatedOn: time.Now().Unix(),
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},
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}
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thumbsUpCount, thumbsDownCount = 0, 1
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}
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// 更新thumbs状态
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if err = s.db.Save(commentThumbs).Error; err != nil {
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return err
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}
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// 更新thumbsUpCount
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if err = s.updateCommentThumbsUpCount(&dbr.CommentReply{}, replyId, thumbsUpCount, thumbsDownCount); err != nil {
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return err
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}
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db.Commit()
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return nil
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}
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func (s *commentManageSrv) updateCommentThumbsUpCount(obj any, id int64, thumbsUpCount, thumbsDownCount int32) error {
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updateColumns := make(map[string]any, 2)
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if thumbsUpCount == 1 {
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updateColumns["thumbs_up_count"] = gorm.Expr("thumbs_up_count + 1")
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} else if thumbsUpCount == -1 {
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updateColumns["thumbs_up_count"] = gorm.Expr("thumbs_up_count - 1")
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}
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if thumbsDownCount == 1 {
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updateColumns["thumbs_down_count"] = gorm.Expr("thumbs_down_count + 1")
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} else if thumbsDownCount == -1 {
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updateColumns["thumbs_down_count"] = gorm.Expr("thumbs_down_count - 1")
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}
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if len(updateColumns) > 0 {
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updateColumns["modified_on"] = time.Now().Unix()
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return s.db.Model(obj).Where("id=?", id).UpdateColumns(updateColumns).Error
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}
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return nil
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}
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