118 lines
3.3 KiB
Go
118 lines
3.3 KiB
Go
package model
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import (
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"errors"
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"fmt"
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"github.com/songquanpeng/one-api/common"
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"github.com/songquanpeng/one-api/common/helper"
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"gorm.io/gorm"
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)
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type Redemption struct {
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Id int `json:"id"`
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UserId int `json:"user_id"`
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Key string `json:"key" gorm:"type:char(32);uniqueIndex"`
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Status int `json:"status" gorm:"default:1"`
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Name string `json:"name" gorm:"index"`
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Quota int `json:"quota" gorm:"default:100"`
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CreatedTime int64 `json:"created_time" gorm:"bigint"`
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RedeemedTime int64 `json:"redeemed_time" gorm:"bigint"`
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Count int `json:"count" gorm:"-:all"` // only for api request
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}
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func GetAllRedemptions(startIdx int, num int) ([]*Redemption, error) {
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var redemptions []*Redemption
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var err error
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err = DB.Order("id desc").Limit(num).Offset(startIdx).Find(&redemptions).Error
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return redemptions, err
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}
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func SearchRedemptions(keyword string) (redemptions []*Redemption, err error) {
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err = DB.Where("id = ? or name LIKE ?", keyword, keyword+"%").Find(&redemptions).Error
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return redemptions, err
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}
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func GetRedemptionById(id int) (*Redemption, error) {
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if id == 0 {
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return nil, errors.New("id 为空！")
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}
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redemption := Redemption{Id: id}
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var err error = nil
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err = DB.First(&redemption, "id = ?", id).Error
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return &redemption, err
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}
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func Redeem(key string, userId int) (quota int, err error) {
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if key == "" {
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return 0, errors.New("未提供兑换码")
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}
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if userId == 0 {
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return 0, errors.New("无效的 user id")
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}
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redemption := &Redemption{}
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keyCol := "`key`"
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if common.UsingPostgreSQL {
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keyCol = `"key"`
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}
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err = DB.Transaction(func(tx *gorm.DB) error {
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err := tx.Set("gorm:query_option", "FOR UPDATE").Where(keyCol+" = ?", key).First(redemption).Error
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if err != nil {
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return errors.New("无效的兑换码")
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}
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if redemption.Status != common.RedemptionCodeStatusEnabled {
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return errors.New("该兑换码已被使用")
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}
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err = tx.Model(&User{}).Where("id = ?", userId).Update("quota", gorm.Expr("quota + ?", redemption.Quota)).Error
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if err != nil {
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return err
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}
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redemption.RedeemedTime = helper.GetTimestamp()
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redemption.Status = common.RedemptionCodeStatusUsed
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err = tx.Save(redemption).Error
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return err
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})
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if err != nil {
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return 0, errors.New("兑换失败，" + err.Error())
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}
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RecordLog(userId, LogTypeTopup, fmt.Sprintf("通过兑换码充值 %s", common.LogQuota(redemption.Quota)))
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return redemption.Quota, nil
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}
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func (redemption *Redemption) Insert() error {
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var err error
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err = DB.Create(redemption).Error
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return err
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}
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func (redemption *Redemption) SelectUpdate() error {
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// This can update zero values
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return DB.Model(redemption).Select("redeemed_time", "status").Updates(redemption).Error
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}
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// Update Make sure your token's fields is completed, because this will update non-zero values
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func (redemption *Redemption) Update() error {
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var err error
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err = DB.Model(redemption).Select("name", "status", "quota", "redeemed_time").Updates(redemption).Error
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return err
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}
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func (redemption *Redemption) Delete() error {
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var err error
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err = DB.Delete(redemption).Error
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return err
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}
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func DeleteRedemptionById(id int) (err error) {
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if id == 0 {
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return errors.New("id 为空！")
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}
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redemption := Redemption{Id: id}
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err = DB.Where(redemption).First(&redemption).Error
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if err != nil {
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return err
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}
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return redemption.Delete()
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}
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