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paopao-ce/internal/dao/jinzhu/utils.go

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// Copyright 2022 ROC. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package jinzhu
import (
"github.com/rocboss/paopao-ce/internal/core/cs"
"github.com/rocboss/paopao-ce/internal/dao/jinzhu/dbr"
"gorm.io/gorm"
)
func createTags(db *gorm.DB, userId int64, tags []string) (res cs.TagInfoList, err error) {
for _, name := range tags {
tag := &dbr.Tag{Tag: name}
if tag, err = tag.Get(db); err == nil {
// 更新
tag.QuoteNum++
if err = tag.Update(db); err != nil {
return
}
} else {
tag.UserID, tag.QuoteNum = userId, 1
if tag, err = (&dbr.Tag{
UserID: userId,
QuoteNum: 1,
}).Create(db); err != nil {
return
}
}
res = append(res, &cs.TagInfo{
ID: tag.ID,
UserID: tag.UserID,
Tag: tag.Tag,
QuoteNum: tag.QuoteNum,
})
}
return
}
func decrTagsByIds(db *gorm.DB, ids []int64) (err error) {
for _, id := range ids {
tag := &dbr.Tag{Model: &dbr.Model{ID: id}}
if tag, err = tag.Get(db); err == nil {
tag.QuoteNum--
if err = tag.Update(db); err != nil {
return
}
} else {
continue
}
}
return nil
}
func deleteTags(db *gorm.DB, tags []string) error {
allTags, err := (&dbr.Tag{}).TagsFrom(db, tags)
if err != nil {
return err
}
for _, tag := range allTags {
tag.QuoteNum--
if tag.QuoteNum < 0 {
tag.QuoteNum = 0
}
// 宽松处理错误, 尽可能更新tag记录 只记录最后一次错误
if e := tag.Update(db); e != nil {
err = e
}
}
return err
}
// 根据IDs获取用户列表
func getUsersByIDs(db *gorm.DB, ids []int64) ([]*dbr.User, error) {
user := &dbr.User{}
return user.List(db, &dbr.ConditionsT{
"id IN ?": ids,
}, 0, 0)
}