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84 lines
1.9 KiB
84 lines
1.9 KiB
// Copyright 2023 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 sakila
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import (
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"time"
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"github.com/bitbus/sqlx"
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"github.com/rocboss/paopao-ce/internal/core/cs"
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)
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func (s *sqlxSrv) deleteTags(tx *sqlx.Tx, tags []string) (err error) {
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var tagInfos []cs.TagInfo
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if err = tx.Stmtx(s.y.TagsFromNames).Select(&tagInfos, tags); err != nil {
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return
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}
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now := time.Now().Unix()
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for _, tag := range tagInfos {
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tag.QuoteNum--
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if _, err = tx.Stmtx(s.y.UpdateTagQuote).Exec(tag.QuoteNum, now, tag.ID); err != nil {
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return
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}
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}
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return
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}
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func (s *sqlxSrv) createTags(tx *sqlx.Tx, userId int64, tags []string) (res cs.TagInfoList, xerr error) {
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if len(tags) == 0 {
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return nil, nil
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}
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xerr = s.db.Withx(func(tx *sqlx.Tx) error {
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var upTags cs.TagInfoList
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err := tx.InSelect(&upTags, s.y.TagsForIncr, tags)
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if err != nil {
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return err
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}
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now := time.Now().Unix()
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if len(upTags) > 0 {
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var ids []int64
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for _, t := range upTags {
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ids = append(ids, t.ID)
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t.QuoteNum++
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// prepare remain tags just delete updated tag
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// notice ensure tags slice is distinct elements
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for i, name := range tags {
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if name == t.Tag {
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lastIdx := len(tags) - 1
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tags[i] = tags[lastIdx]
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tags = tags[:lastIdx]
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break
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}
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}
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}
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if _, err := tx.InExec(s.y.IncrTagsById, now, ids); err != nil {
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return err
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}
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res = append(res, upTags...)
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}
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// process remain tags if tags is not empty
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if len(tags) == 0 {
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return nil
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}
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var (
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id int64
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ids []int64
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)
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for _, tag := range tags {
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if err = s.insertTag.Get(&id, userId, tag, now, now); err != nil {
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return err
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}
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ids = append(ids, id)
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}
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var newTags cs.TagInfoList
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if err := tx.InSelect(&newTags, s.y.TagsByIdB, ids); err != nil {
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return err
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}
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res = append(res, newTags...)
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return nil
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})
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return
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}
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