51 lines
1.6 KiB
Go
51 lines
1.6 KiB
Go
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package dao
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import (
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"context"
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xsql "database/sql"
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"go-common/app/service/bbq/user/internal/model"
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"go-common/library/database/sql"
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"go-common/library/time"
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)
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const (
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_addUserFan = "insert into %s (`mid`,`fan_mid`) values (?,?) on duplicate key update state=0"
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_cancelUserFan = "update %s set state=1 where mid = ? and fan_mid = ?"
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_getUserPartFans = "select fan_mid, mtime from user_fan_%02d where mid=? and state=0 and mtime<=? order by mtime desc, fan_mid desc limit %d"
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_isFan = "select fan_mid from user_fan_%02d where mid = ? and state=0 and fan_mid in (%s)"
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)
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//TxAddUserFan .
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func (d *Dao) TxAddUserFan(tx *sql.Tx, mid, fanMid int64) (num int64, err error) {
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var res xsql.Result
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if res, err = tx.Exec(d.userFanSQL(mid, _addUserFan), mid, fanMid); err != nil {
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return
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}
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return res.LastInsertId()
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}
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//TxCancelUserFan .
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func (d *Dao) TxCancelUserFan(tx *sql.Tx, mid, fanMid int64) (num int64, err error) {
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var res xsql.Result
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if res, err = tx.Exec(d.userFanSQL(mid, _cancelUserFan), mid, fanMid); err != nil {
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return
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}
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return res.RowsAffected()
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}
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// IsFan 获取mid的粉丝
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func (d *Dao) IsFan(c context.Context, mid int64, candidateMIDs []int64) (MIDMap map[int64]bool) {
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if len(candidateMIDs) == 0 {
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return
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}
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MIDMap = d.isMidIn(c, mid, candidateMIDs, _isFan)
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return
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}
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// FetchPartFanList 获取mid的粉丝列表
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func (d *Dao) FetchPartFanList(c context.Context, mid int64, cursor model.CursorValue, size int) (
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MID2IDMap map[int64]time.Time, followedMIDs []int64, err error) {
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MID2IDMap, followedMIDs, err = d.fetchPartRelationUserList(c, mid, cursor, _getUserPartFans)
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return
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}
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