go-common/app/interface/main/activity/dao/kfc/kfc.go
2019-04-22 18:49:16 +08:00

100 lines
2.8 KiB
Go

package kfc
import (
"context"
"database/sql"
"net/url"
"strconv"
"go-common/app/interface/main/activity/model/kfc"
xsql "go-common/library/database/sql"
"go-common/library/ecode"
"go-common/library/net/metadata"
"github.com/pkg/errors"
)
// KfcCodeUsed kfcDao const.
var (
KfcCodeUsed = 1
KfcCodeNotGiveOut = 0
_kfcCouponSQL = "select `id`,`mid`,`ctime`,`mtime`,`coupon_code`,`desc`,`state`,`delete_time` from bnj_kfc_coupon where id = ?"
_kfcCodeSQL = "select `id`,`mid`,`ctime`,`mtime`,`coupon_code`,`desc`,`state`,`delete_time` from bnj_kfc_coupon where coupon_code = ?"
_kfcCodeGiveOuteSQL = "update `bnj_kfc_coupon` set `state` = ? where `id` = ? and `state` = ?"
_kfcDeliverSQL = "update `bnj_kfc_coupon` set mid = ? where id = ? and mid = 0"
)
// RawKfcCoupon get coupon .
func (d *Dao) RawKfcCoupon(c context.Context, id int64) (res *kfc.BnjKfcCoupon, err error) {
res = &kfc.BnjKfcCoupon{}
row := d.db.QueryRow(c, _kfcCouponSQL, id)
if err = row.Scan(&res.ID, &res.Mid, &res.Ctime, &res.Mtime, &res.CouponCode, &res.Desc, &res.State, &res.DeleteTime); err != nil {
if err == xsql.ErrNoRows {
err = nil
} else {
err = errors.Wrap(err, "RawKfcCoupon:row.Scan()")
}
}
return
}
// RawKfcCode .
func (d *Dao) RawKfcCode(c context.Context, code string) (res *kfc.BnjKfcCoupon, err error) {
res = &kfc.BnjKfcCoupon{}
row := d.db.QueryRow(c, _kfcCodeSQL, code)
if err = row.Scan(&res.ID, &res.Mid, &res.Ctime, &res.Mtime, &res.CouponCode, &res.Desc, &res.State, &res.DeleteTime); err != nil {
if err == xsql.ErrNoRows {
err = nil
} else {
err = errors.Wrap(err, "RawKfcCode:row.Scan()")
}
}
return
}
// KfcCodeGiveOut .
func (d *Dao) KfcCodeGiveOut(c context.Context, id int64) (res int64, err error) {
var (
sqlRes sql.Result
)
if sqlRes, err = d.db.Exec(c, _kfcCodeGiveOuteSQL, KfcCodeUsed, id, KfcCodeNotGiveOut); err != nil {
err = errors.Wrap(err, "d.db.Exec()")
return
}
return sqlRes.RowsAffected()
}
// KfcDeliver .
func (d *Dao) KfcDeliver(c context.Context, id, mid int64) (res int64, err error) {
var (
sqlRes sql.Result
)
if sqlRes, err = d.db.Exec(c, _kfcDeliverSQL, mid, id); err != nil {
err = errors.Wrap(err, "d.db.Exec()")
return
}
return sqlRes.RowsAffected()
}
// KfcWinner .
func (d *Dao) KfcWinner(c context.Context, id int64) (uid int64, err error) {
params := url.Values{}
params.Set("id", strconv.FormatInt(id, 10))
var res struct {
Code int `json:"code"`
Data struct {
UID int64 `json:"uid"`
} `json:"data"`
}
if err = d.client.Get(c, d.kfcWinnerURL, metadata.String(c, metadata.RemoteIP), params, &res); err != nil {
err = errors.Wrapf(err, "d.client.Get(%s)", d.kfcWinnerURL+"?"+params.Encode())
return
}
if res.Code != ecode.OK.Code() {
err = ecode.Int(res.Code)
return
}
uid = res.Data.UID
return
}