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@ -5,9 +5,11 @@
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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/pkg/debug"
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)
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var (
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@ -16,40 +18,133 @@ var (
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type topicServant struct {
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*sqlxServant
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stmtAddTag *sqlx.Stmt
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stmtDelTag *sqlx.Stmt
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stmtListTag *sqlx.Stmt
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stmtNewestTags *sqlx.Stmt
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stmtHotTags *sqlx.Stmt
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stmtTagsByKeywordA *sqlx.Stmt
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stmtTagsByKeywordB *sqlx.Stmt
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stmtInsertTag *sqlx.Stmt
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stmtTagsByIdA string
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stmtTagsByIdB string
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stmtDecrTagsById string
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stmtTagsByName string
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stmtIncrTagsById string
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}
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func (s *topicServant) CreateTag(tag *core.Tag) (*core.Tag, error) {
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// TODO
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debug.NotImplemented()
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return nil, nil
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func (s *topicServant) UpsertTags(userId int64, tags []string) (res []*core.Tag, 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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query, args, err := in(s.db, s.stmtTagsByName, tags)
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var ts []*core.Tag
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if err = tx.Select(&ts, query, args...); err != nil {
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return err
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}
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var upTags []string
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if len(ts) > 0 {
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var ids []int64
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for _, t := range ts {
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ids = append(ids, t.ID)
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upTags = append(upTags, t.Tag)
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t.QuoteNum++
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// prepare remain tags just delete updated tag
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for i, name := range tags {
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if name == t.Tag {
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size := len(tags)
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tags[i] = tags[size-1]
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tags = tags[:size-1]
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break
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}
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}
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}
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if query, args, err = in(s.db, s.stmtIncrTagsById, ids); err != nil {
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return err
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}
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if _, err = tx.Exec(query, args...); err != nil {
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return err
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}
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res = append(res, ts...)
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}
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// process remain tags
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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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now := time.Now().Unix()
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for _, tag := range tags {
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res, err := s.stmtInsertTag.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 []*core.Tag
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query, args, err = in(s.db, s.stmtTagsByIdB, ids)
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if err != nil {
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return err
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}
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if err = tx.Select(&newTags, query, args...); 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 *topicServant) DeleteTag(tag *core.Tag) error {
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// TODO
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debug.NotImplemented()
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return nil
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func (s *topicServant) DecrTagsById(ids []int64) error {
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return s.with(func(tx *sqlx.Tx) error {
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query, args, err := in(s.db, s.stmtTagsByIdA, ids)
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if err != nil {
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return err
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}
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var ids []int64
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if err = tx.Select(&ids, query, args...); err != nil {
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return err
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}
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query, args, err = in(s.db, s.stmtDecrTagsById, time.Now().Unix(), ids)
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_, err = tx.Exec(query, args...)
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return err
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})
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}
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func (s *topicServant) GetTags(conditions *core.ConditionsT, offset, limit int) ([]*core.Tag, error) {
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// TODO
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debug.NotImplemented()
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return nil, nil
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func (s *topicServant) GetTags(category core.TagCategory, offset int, limit int) (res []*core.Tag, err error) {
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switch category {
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case core.TagCategoryHot:
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err = s.stmtHotTags.Select(&res, offset, limit)
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case core.TagCategoryNew:
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err = s.stmtHotTags.Select(&res, offset, limit)
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}
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return
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}
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func (s *topicServant) GetTagsByKeyword(keyword string) ([]*core.Tag, error) {
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// TODO
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debug.NotImplemented()
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return nil, nil
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func (s *topicServant) GetTagsByKeyword(keyword string) (res []*core.Tag, err error) {
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keyword = "%" + strings.Trim(keyword, " ") + "%"
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if keyword == "%%" {
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err = s.stmtTagsByKeywordA.Select(&res)
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} else {
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err = s.stmtTagsByKeywordB.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 &topicServant{
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sqlxServant: newSqlxServant(db),
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stmtAddTag: c(`SELECT * FROM @person WHERE first_name=?`),
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stmtDelTag: c(`SELECT * FROM @person WHERE first_name=?`),
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stmtListTag: c(`SELECT * FROM @person WHERE first_name=?`),
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sqlxServant: newSqlxServant(db),
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stmtNewestTags: c(`SELECT id, user_id, tag, quote_num FROM @tag WHERE is_del = 0 AND quote_num > 0 ORDER BY id DESC OFFSET ? LIMIT ?`),
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stmtHotTags: c(`SELECT id, user_id, tag, quote_num FROM @tag WHERE is_del = 0 AND quote_num > 0 ORDER BY quote_num DESC OFFSET ? LIMIT ?`),
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stmtTagsByKeywordA: c(`SELECT id, user_id, tag, quote_num FROM @tag WHERE is_del = 0 ORDER BY quote_num DESC OFFSET 0 LIMIT 6`),
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stmtTagsByKeywordB: c(`SELECT id, user_id, tag, quote_num FROM @tag WHERE is_del = 0 AND tag LIKE ? ORDER BY quote_num DESC OFFSET 0 LIMIT 6`),
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stmtInsertTag: c(`INSERT INFO @tag (user_id, tag, created_on, modified_on, quote_num) VALUES (?, ?, ?, ?, 1)`),
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stmtTagsByIdA: r(`SELECT id FROM @tag WHERE id IN (?) AND is_del = 0 AND quote_num >= 0`),
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stmtTagsByIdB: r(`SELECT id, user_id, tag, quote_num FROM @tag WHERE id IN (?)`),
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stmtDecrTagsById: r(`UPDATE @tag SET quote_num=quote_num-1, modified_on=? WHERE id IN (?)`),
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stmtTagsByName: r(`SELECT id, user_id, tag, quote_num FROM @tag WHERE tag IN (?) AND is_del = 0 AND quote_num >= 0`),
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stmtIncrTagsById: r(`UPDATE @tag SET quote_num=quote_num+1 WHERE id IN (?)`),
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}
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}
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Michael Li
2 years ago