mirror of https://github.com/rocboss/paopao-ce
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
121 lines
2.7 KiB
121 lines
2.7 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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"strings"
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"time"
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"github.com/jmoiron/sqlx"
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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/dao/sakila/yesql/cc"
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)
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var (
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_ core.TopicService = (*topicSrv)(nil)
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)
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type topicSrv struct {
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*sqlxSrv
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q *cc.Topic
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}
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func (s *topicSrv) UpsertTags(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.with(func(tx *sqlx.Tx) error {
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var upTags cs.TagInfoList
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if err := s.inSelect(tx, &upTags, s.q.TagsForIncr, tags); 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 := s.inExec(tx, s.q.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 ids []int64
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for _, tag := range tags {
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res, err := s.q.InsertTag.Exec(userId, tag, now, now)
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if err != nil {
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return err
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}
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id, err := res.LastInsertId()
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if 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 := s.inSelect(tx, &newTags, s.q.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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func (s *topicSrv) DecrTagsById(ids []int64) error {
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return s.with(func(tx *sqlx.Tx) error {
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var ids []int64
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err := s.inSelect(tx, &ids, s.q.TagsByIdA, ids)
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if err != nil {
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return err
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}
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_, err = s.inExec(tx, s.q.DecrTagsById, time.Now().Unix(), ids)
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return err
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})
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}
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func (s *topicSrv) ListTags(typ cs.TagType, limit int, offset int) (res cs.TagList, err error) {
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switch typ {
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case cs.TagTypeHot:
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err = s.q.HotTags.Select(&res, limit, offset)
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case cs.TagTypeNew:
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err = s.q.NewestTags.Select(&res, limit, offset)
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}
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return
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}
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func (s *topicSrv) TagsByKeyword(keyword string) (res cs.TagInfoList, err error) {
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keyword = "%" + strings.Trim(keyword, " ") + "%"
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if keyword == "%%" {
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err = s.q.TagsByKeywordA.Select(&res)
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} else {
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err = s.q.TagsByKeywordB.Select(&res)
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}
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return
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}
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func newTopicService(db *sqlx.DB) core.TopicService {
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return &topicSrv{
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sqlxSrv: newSqlxSrv(db),
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q: mustBuild(db, cc.BuildTopic),
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}
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}
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