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127package model
import (
"context"
"errors"
"fmt"
"gorm.io/gorm"
"github.com/songquanpeng/one-api/common"
"github.com/songquanpeng/one-api/common/helper"
)
const (
RedemptionCodeStatusEnabled = 1 // don't use 0, 0 is the default value!
RedemptionCodeStatusDisabled = 2 // also don't use 0
RedemptionCodeStatusUsed = 3 // also don't use 0
)
type Redemption struct {
Id int `json:"id"`
UserId int `json:"user_id"`
Key string `json:"key" gorm:"type:char(32);uniqueIndex"`
Status int `json:"status" gorm:"default:1"`
Name string `json:"name" gorm:"index"`
Quota int64 `json:"quota" gorm:"bigint;default:100"`
CreatedTime int64 `json:"created_time" gorm:"bigint"`
RedeemedTime int64 `json:"redeemed_time" gorm:"bigint"`
Count int `json:"count" gorm:"-:all"` // only for api request
}
func GetAllRedemptions(startIdx int, num int) ([]*Redemption, error) {
var redemptions []*Redemption
var err error
err = DB.Order("id desc").Limit(num).Offset(startIdx).Find(&redemptions).Error
return redemptions, err
}
func SearchRedemptions(keyword string) (redemptions []*Redemption, err error) {
err = DB.Where("id = ? or name LIKE ?", keyword, keyword+"%").Find(&redemptions).Error
return redemptions, err
}
func GetRedemptionById(id int) (*Redemption, error) {
if id == 0 {
return nil, errors.New("id 为空！")
}
redemption := Redemption{Id: id}
var err error = nil
err = DB.First(&redemption, "id = ?", id).Error
return &redemption, err
}
func Redeem(ctx context.Context, key string, userId int) (quota int64, err error) {
if key == "" {
return 0, errors.New("未提供兑换码")
}
if userId == 0 {
return 0, errors.New("无效的 user id")
}
redemption := &Redemption{}
keyCol := "`key`"
if common.UsingPostgreSQL {
keyCol = `"key"`
}
err = DB.Transaction(func(tx *gorm.DB) error {
err := tx.Set("gorm:query_option", "FOR UPDATE").Where(keyCol+" = ?", key).First(redemption).Error
if err != nil {
return errors.New("无效的兑换码")
}
if redemption.Status != RedemptionCodeStatusEnabled {
return errors.New("该兑换码已被使用")
}
err = tx.Model(&User{}).Where("id = ?", userId).Update("quota", gorm.Expr("quota + ?", redemption.Quota)).Error
if err != nil {
return err
}
redemption.RedeemedTime = helper.GetTimestamp()
redemption.Status = RedemptionCodeStatusUsed
err = tx.Save(redemption).Error
return err
})
if err != nil {
return 0, errors.New("兑换失败，" + err.Error())
}
RecordLog(ctx, userId, LogTypeTopup, fmt.Sprintf("通过兑换码充值 %s", common.LogQuota(redemption.Quota)))
return redemption.Quota, nil
}
func (redemption *Redemption) Insert() error {
var err error
err = DB.Create(redemption).Error
return err
}
func (redemption *Redemption) SelectUpdate() error {
// This can update zero values
return DB.Model(redemption).Select("redeemed_time", "status").Updates(redemption).Error
}
// Update Make sure your token's fields is completed, because this will update non-zero values
func (redemption *Redemption) Update() error {
var err error
err = DB.Model(redemption).Select("name", "status", "quota", "redeemed_time").Updates(redemption).Error
return err
}
func (redemption *Redemption) Delete() error {
var err error
err = DB.Delete(redemption).Error
return err
}
func DeleteRedemptionById(id int) (err error) {
if id == 0 {
return errors.New("id 为空！")
}
redemption := Redemption{Id: id}
err = DB.Where(redemption).First(&redemption).Error
if err != nil {
return err
}
return redemption.Delete()
}