103 lines
3.1 KiB
Go
103 lines
3.1 KiB
Go
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package dao
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import (
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"context"
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"crypto/md5"
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"encoding/hex"
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"fmt"
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"go-common/app/service/live/gift/model"
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"go-common/library/database/sql"
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"go-common/library/log"
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"strconv"
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"time"
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)
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var (
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_getBag = "SELECT id,gift_num FROM user_gift_%s WHERE uid = ? AND gift_id = ? AND expireat = ? LIMIT 1"
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_getBagByID = "SELECT id,gift_num FROM user_gift_%s WHERE id = ?"
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_updateBagNum = "UPDATE user_gift_%s SET gift_num = gift_num + ? WHERE id = ?"
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_insertBag = "INSERT INTO user_gift_%s (uid,gift_id,gift_num,expireat) VALUES (?,?,?,?)"
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_getBagList = "SELECT id,uid,gift_id,gift_num,expireat FROM user_gift_%s WHERE uid = ? AND gift_num > 0 AND (expireat = 0 OR expireat > ?)"
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)
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// GetBag GetBag
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func (d *Dao) GetBag(ctx context.Context, uid, giftID, expireAt int64) (res *model.BagInfo, err error) {
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log.Info("GetBag,uid:%d,giftID:%d,expireAt:%d", uid, giftID, expireAt)
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row := d.db.QueryRow(ctx, fmt.Sprintf(_getBag, getPostFix(uid)), uid, giftID, expireAt)
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res = &model.BagInfo{}
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if err = row.Scan(&res.ID, &res.GiftNum); err != nil {
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if err == sql.ErrNoRows {
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err = nil
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return
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}
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log.Error("GetBag row.Scan error(%v)", err)
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}
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return
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}
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// UpdateBagNum UpdateBagNum
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func (d *Dao) UpdateBagNum(ctx context.Context, uid, id, num int64) (affected int64, err error) {
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log.Info("UpdateBagNum,uid:%d,id:%d,num:%d", uid, id, num)
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res, err := d.db.Exec(ctx, fmt.Sprintf(_updateBagNum, getPostFix(uid)), num, id)
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if err != nil {
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log.Error("UpdateBagNum error(%v)", err)
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return
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}
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return res.RowsAffected()
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}
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// AddBag AddBag
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func (d *Dao) AddBag(ctx context.Context, uid, giftID, giftNum, expireAt int64) (affected int64, err error) {
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log.Info("AddBag,uid:%d,giftID:%d,giftNum:%d,expireAt:%d", uid, giftID, giftNum, expireAt)
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res, err := d.db.Exec(ctx, fmt.Sprintf(_insertBag, getPostFix(uid)), uid, giftID, giftNum, expireAt)
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if err != nil {
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log.Error("AddBag error(%v)", err)
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return
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}
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return res.LastInsertId()
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}
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// GetBagByID GetBagByID
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func (d *Dao) GetBagByID(ctx context.Context, uid, id int64) (res *model.BagInfo, err error) {
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log.Info("GetBagByID,uid:%d,id:%d", uid, id)
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row := d.db.QueryRow(ctx, fmt.Sprintf(_getBagByID, getPostFix(uid)), id)
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res = &model.BagInfo{}
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if err = row.Scan(&res.ID, &res.GiftNum); err != nil {
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if err == sql.ErrNoRows {
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err = nil
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return
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}
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log.Error("GetBagByID row.Scan error(%v)", err)
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}
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return
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}
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func getPostFix(uid int64) string {
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uidStr := strconv.Itoa(int(uid))
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h := md5.New()
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h.Write([]byte(uidStr))
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md5Str := hex.EncodeToString(h.Sum(nil))
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return md5Str[0:1]
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}
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// GetBagList GetBagList
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func (d *Dao) GetBagList(ctx context.Context, uid int64) (list []*model.BagGiftList, err error) {
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log.Info("GetBagList,uid:%d", uid)
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curTime := time.Now().Unix()
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rows, err := d.db.Query(ctx, fmt.Sprintf(_getBagList, getPostFix(uid)), uid, curTime)
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if err != nil {
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log.Error("GetBagGiftList error,err %v", err)
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return
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}
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defer rows.Close()
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for rows.Next() {
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b := &model.BagGiftList{}
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if err = rows.Scan(&b.ID, &b.UID, &b.GiftID, &b.GiftNum, &b.ExpireAt); err != nil {
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log.Error("GetBagGiftList scan error,err %v", err)
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return
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}
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list = append(list, b)
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}
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return
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}
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