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// 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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"strings"
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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/dao/jinzhu/dbr"
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"gorm.io/gorm"
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)
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var (
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_ core.TweetService = (*tweetServant)(nil)
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_ core.TweetManageService = (*tweetManageServant)(nil)
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_ core.TweetHelpService = (*tweetHelpServant)(nil)
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)
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type tweetServant struct {
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db *gorm.DB
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}
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type tweetManageServant struct {
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cacheIndex core.CacheIndexService
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db *gorm.DB
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}
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type tweetHelpServant struct {
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db *gorm.DB
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}
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func newTweetService(db *gorm.DB) core.TweetService {
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return &tweetServant{
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db: db,
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}
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}
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func newTweetManageService(db *gorm.DB, cacheIndex core.CacheIndexService) core.TweetManageService {
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return &tweetManageServant{
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cacheIndex: cacheIndex,
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db: db,
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}
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}
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func newTweetHelpService(db *gorm.DB) core.TweetHelpService {
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return &tweetHelpServant{
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db: db,
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}
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}
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// MergePosts post数据整合
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func (s *tweetHelpServant) MergePosts(posts []*core.Post) ([]*core.PostFormated, error) {
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postIds := make([]int64, 0, len(posts))
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userIds := make([]int64, 0, len(posts))
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for _, post := range posts {
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postIds = append(postIds, post.ID)
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userIds = append(userIds, post.UserID)
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}
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postContents, err := s.getPostContentsByIDs(postIds)
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if err != nil {
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return nil, err
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}
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users, err := s.getUsersByIDs(userIds)
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if err != nil {
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return nil, err
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}
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userMap := make(map[int64]*dbr.UserFormated, len(users))
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for _, user := range users {
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userMap[user.ID] = user.Format()
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}
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contentMap := make(map[int64][]*dbr.PostContentFormated, len(postContents))
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for _, content := range postContents {
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contentMap[content.PostID] = append(contentMap[content.PostID], content.Format())
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}
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// 数据整合
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postsFormated := make([]*dbr.PostFormated, 0, len(posts))
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for _, post := range posts {
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postFormated := post.Format()
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postFormated.User = userMap[post.UserID]
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postFormated.Contents = contentMap[post.ID]
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postsFormated = append(postsFormated, postFormated)
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}
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return postsFormated, nil
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}
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// RevampPosts post数据整形修复
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func (s *tweetHelpServant) RevampPosts(posts []*core.PostFormated) ([]*core.PostFormated, error) {
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postIds := make([]int64, 0, len(posts))
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userIds := make([]int64, 0, len(posts))
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for _, post := range posts {
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postIds = append(postIds, post.ID)
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userIds = append(userIds, post.UserID)
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}
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postContents, err := s.getPostContentsByIDs(postIds)
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if err != nil {
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return nil, err
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}
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users, err := s.getUsersByIDs(userIds)
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if err != nil {
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return nil, err
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}
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userMap := make(map[int64]*dbr.UserFormated, len(users))
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for _, user := range users {
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userMap[user.ID] = user.Format()
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}
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contentMap := make(map[int64][]*dbr.PostContentFormated, len(postContents))
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for _, content := range postContents {
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contentMap[content.PostID] = append(contentMap[content.PostID], content.Format())
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}
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// 数据整合
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for _, post := range posts {
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post.User = userMap[post.UserID]
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post.Contents = contentMap[post.ID]
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}
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return posts, nil
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}
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func (s *tweetHelpServant) getPostContentsByIDs(ids []int64) ([]*dbr.PostContent, error) {
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return (&dbr.PostContent{}).List(s.db, &dbr.ConditionsT{
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"post_id IN ?": ids,
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"ORDER": "sort ASC",
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}, 0, 0)
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}
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func (s *tweetHelpServant) getUsersByIDs(ids []int64) ([]*dbr.User, error) {
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user := &dbr.User{}
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return user.List(s.db, &dbr.ConditionsT{
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"id IN ?": ids,
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}, 0, 0)
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}
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func (s *tweetManageServant) CreatePostCollection(postID, userID int64) (*core.PostCollection, error) {
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collection := &dbr.PostCollection{
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PostID: postID,
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UserID: userID,
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}
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return collection.Create(s.db)
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}
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func (s *tweetManageServant) DeletePostCollection(p *core.PostCollection) error {
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return p.Delete(s.db)
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}
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func (s *tweetManageServant) CreatePostContent(content *core.PostContent) (*core.PostContent, error) {
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return content.Create(s.db)
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}
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func (s *tweetManageServant) CreateAttachment(attachment *core.Attachment) (*core.Attachment, error) {
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return attachment.Create(s.db)
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}
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func (s *tweetManageServant) CreatePost(post *core.Post) (*core.Post, error) {
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post.LatestRepliedOn = time.Now().Unix()
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p, err := post.Create(s.db)
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if err != nil {
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return nil, err
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}
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s.cacheIndex.SendAction(core.IdxActCreatePost, post)
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return p, nil
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}
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func (s *tweetManageServant) DeletePost(post *core.Post) ([]string, error) {
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var mediaContents []string
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postId := post.ID
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postContent := &dbr.PostContent{}
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err := s.db.Transaction(
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func(tx *gorm.DB) error {
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if contents, err := postContent.MediaContentsByPostId(tx, postId); err == nil {
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mediaContents = contents
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} else {
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return err
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}
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// 删推文
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if err := post.Delete(tx); err != nil {
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return err
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}
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// 删内容
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if err := postContent.DeleteByPostId(tx, postId); err != nil {
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return err
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}
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// 删评论
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if contents, err := s.deleteCommentByPostId(tx, postId); err == nil {
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mediaContents = append(mediaContents, contents...)
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} else {
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return err
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}
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if tags := strings.Split(post.Tags, ","); len(tags) > 0 {
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// 删tag，宽松处理错误，有错误不会回滚
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deleteTags(tx, tags)
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}
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return nil
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},
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)
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if err != nil {
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return nil, err
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}
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s.cacheIndex.SendAction(core.IdxActDeletePost, post)
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return mediaContents, nil
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}
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func (s *tweetManageServant) deleteCommentByPostId(db *gorm.DB, postId int64) ([]string, error) {
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comment := &dbr.Comment{}
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commentContent := &dbr.CommentContent{}
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// 获取推文的所有评论id
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commentIds, err := comment.CommentIdsByPostId(db, postId)
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if err != nil {
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return nil, err
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}
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// 获取评论的媒体内容
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mediaContents, err := commentContent.MediaContentsByCommentId(db, commentIds)
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if err != nil {
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return nil, err
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}
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// 删评论
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if err = comment.DeleteByPostId(db, postId); err != nil {
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return nil, err
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}
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// 删评论内容
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if err = commentContent.DeleteByCommentIds(db, commentIds); err != nil {
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return nil, err
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}
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// 删评论的评论
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if err = (&dbr.CommentReply{}).DeleteByCommentIds(db, commentIds); err != nil {
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return nil, err
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}
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return mediaContents, nil
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}
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func (s *tweetManageServant) LockPost(post *core.Post) error {
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post.IsLock = 1 - post.IsLock
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return post.Update(s.db)
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}
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func (s *tweetManageServant) StickPost(post *core.Post) error {
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post.IsTop = 1 - post.IsTop
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if err := post.Update(s.db); err != nil {
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return err
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}
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s.cacheIndex.SendAction(core.IdxActStickPost, post)
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return nil
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}
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func (s *tweetManageServant) VisiblePost(post *core.Post, visibility core.PostVisibleT) error {
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oldVisibility := post.Visibility
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post.Visibility = visibility
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// TODO: 这个判断是否可以不要呢
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if oldVisibility == visibility {
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return nil
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}
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// 私密推文 特殊处理
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if visibility == dbr.PostVisitPrivate {
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// 强制取消置顶
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// TODO: 置顶推文用户是否有权设置成私密？ 后续完善
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post.IsTop = 0
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}
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db := s.db.Begin()
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err := post.Update(db)
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if err != nil {
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db.Rollback()
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return err
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}
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// tag处理
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tags := strings.Split(post.Tags, ",")
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for _, t := range tags {
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tag := &dbr.Tag{
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UserID: post.UserID,
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Tag: t,
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}
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// TODO: 暂时宽松不处理错误，这里或许可以有优化，后续完善
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if oldVisibility == dbr.PostVisitPrivate {
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// 从私密转为非私密才需要重新创建tag
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createTag(db, tag)
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} else if visibility == dbr.PostVisitPrivate {
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// 从非私密转为私密才需要删除tag
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deleteTag(db, tag)
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}
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}
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db.Commit()
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s.cacheIndex.SendAction(core.IdxActVisiblePost, post)
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return nil
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}
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func (s *tweetManageServant) UpdatePost(post *core.Post) error {
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if err := post.Update(s.db); err != nil {
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return err
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}
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s.cacheIndex.SendAction(core.IdxActUpdatePost, post)
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return nil
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}
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func (s *tweetManageServant) CreatePostStar(postID, userID int64) (*core.PostStar, error) {
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star := &dbr.PostStar{
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PostID: postID,
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UserID: userID,
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}
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return star.Create(s.db)
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}
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func (s *tweetManageServant) DeletePostStar(p *core.PostStar) error {
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return p.Delete(s.db)
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}
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func (s *tweetServant) GetPostByID(id int64) (*core.Post, error) {
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post := &dbr.Post{
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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 post.Get(s.db)
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}
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func (s *tweetServant) GetPosts(conditions *core.ConditionsT, offset, limit int) ([]*core.Post, error) {
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return (&dbr.Post{}).List(s.db, conditions, offset, limit)
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}
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func (s *tweetServant) GetPostCount(conditions *core.ConditionsT) (int64, error) {
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return (&dbr.Post{}).Count(s.db, conditions)
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}
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func (s *tweetServant) GetUserPostStar(postID, userID int64) (*core.PostStar, error) {
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star := &dbr.PostStar{
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PostID: postID,
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UserID: userID,
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}
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return star.Get(s.db)
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}
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func (s *tweetServant) GetUserPostStars(userID int64, offset, limit int) ([]*core.PostStar, error) {
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star := &dbr.PostStar{
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UserID: userID,
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}
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return star.List(s.db, &dbr.ConditionsT{
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"ORDER": s.db.NamingStrategy.TableName("PostStar") + ".id DESC",
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}, offset, limit)
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}
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func (s *tweetServant) GetUserPostStarCount(userID int64) (int64, error) {
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star := &dbr.PostStar{
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UserID: userID,
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}
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return star.Count(s.db, &dbr.ConditionsT{})
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}
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func (s *tweetServant) GetUserPostCollection(postID, userID int64) (*core.PostCollection, error) {
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star := &dbr.PostCollection{
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PostID: postID,
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UserID: userID,
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}
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return star.Get(s.db)
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}
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func (s *tweetServant) GetUserPostCollections(userID int64, offset, limit int) ([]*core.PostCollection, error) {
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collection := &dbr.PostCollection{
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UserID: userID,
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}
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return collection.List(s.db, &dbr.ConditionsT{
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"ORDER": s.db.NamingStrategy.TableName("PostCollection") + ".id DESC",
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}, offset, limit)
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}
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func (s *tweetServant) GetUserPostCollectionCount(userID int64) (int64, error) {
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collection := &dbr.PostCollection{
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UserID: userID,
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}
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return collection.Count(s.db, &dbr.ConditionsT{})
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}
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func (s *tweetServant) GetUserWalletBills(userID int64, offset, limit int) ([]*core.WalletStatement, error) {
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statement := &dbr.WalletStatement{
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UserID: userID,
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}
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return statement.List(s.db, &dbr.ConditionsT{
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"ORDER": "id DESC",
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}, offset, limit)
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}
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func (s *tweetServant) GetUserWalletBillCount(userID int64) (int64, error) {
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statement := &dbr.WalletStatement{
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UserID: userID,
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}
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return statement.Count(s.db, &dbr.ConditionsT{})
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}
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func (s *tweetServant) GetPostAttatchmentBill(postID, userID int64) (*core.PostAttachmentBill, error) {
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bill := &dbr.PostAttachmentBill{
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PostID: postID,
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UserID: userID,
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}
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return bill.Get(s.db)
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}
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func (s *tweetServant) GetPostContentsByIDs(ids []int64) ([]*core.PostContent, error) {
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return (&dbr.PostContent{}).List(s.db, &dbr.ConditionsT{
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"post_id IN ?": ids,
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"ORDER": "sort ASC",
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}, 0, 0)
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}
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func (s *tweetServant) GetPostContentByID(id int64) (*core.PostContent, error) {
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return (&dbr.PostContent{
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Model: &dbr.Model{
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ID: id,
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},
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}).Get(s.db)
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}
|
