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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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"github.com/rocboss/paopao-ce/internal/core/cs"
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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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func createTags(db *gorm.DB, userId int64, tags []string) (res cs.TagInfoList, err error) {
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for _, name := range tags {
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tag := &dbr.Tag{Tag: name}
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if tag, err = tag.Get(db); err == nil {
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// 更新
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tag.QuoteNum++
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if err = tag.Update(db); err != nil {
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return
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}
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} else {
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if tag, err = (&dbr.Tag{
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UserID: userId,
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QuoteNum: 1,
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Tag: name,
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}).Create(db); err != nil {
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return
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}
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}
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res = append(res, &cs.TagInfo{
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ID: tag.ID,
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UserID: tag.UserID,
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Tag: tag.Tag,
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QuoteNum: tag.QuoteNum,
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})
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}
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return
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}
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func decrTagsByIds(db *gorm.DB, ids []int64) (err error) {
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for _, id := range ids {
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tag := &dbr.Tag{Model: &dbr.Model{ID: id}}
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if tag, err = tag.Get(db); err == nil {
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tag.QuoteNum--
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if err = tag.Update(db); err != nil {
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return
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}
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} else {
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continue
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}
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}
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return nil
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}
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func deleteTags(db *gorm.DB, tags []string) error {
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allTags, err := (&dbr.Tag{}).TagsFrom(db, tags)
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if err != nil {
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return err
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}
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for _, tag := range allTags {
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tag.QuoteNum--
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if tag.QuoteNum < 0 {
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tag.QuoteNum = 0
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}
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// 宽松处理错误, 尽可能更新tag记录， 只记录最后一次错误
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if e := tag.Update(db); e != nil {
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err = e
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}
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}
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return err
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}
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// 根据IDs获取用户列表
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func getUsersByIDs(db *gorm.DB, ids []int64) ([]*dbr.User, error) {
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user := &dbr.User{}
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return user.List(db, &dbr.ConditionsT{
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"id IN ?": ids,
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}, 0, 0)
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}
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