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2026-04-21 22:36:48 +08:00
commit 488c695fdf
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package entities
import (
"errors"
"time"
"github.com/google/uuid"
"github.com/shopspring/decimal"
"gorm.io/gorm"
)
// ApiCallStatus API调用状态
const (
ApiCallStatusPending = "pending"
ApiCallStatusSuccess = "success"
ApiCallStatusFailed = "failed"
)
// ApiCall错误类型常量定义供各领域服务和应用层统一引用。
// 使用时可通过 entities.ApiCallErrorInvalidAccess 方式获得,编辑器可自动补全和提示。
// 错误类型与业务含义:
//
// ApiCallErrorInvalidAccess = "invalid_access" // 无效AccessId
// ApiCallErrorFrozenAccount = "frozen_account" // 账户冻结
// ApiCallErrorInvalidIP = "invalid_ip" // IP无效
// ApiCallErrorArrears = "arrears" // 账户欠费
// ApiCallErrorNotSubscribed = "not_subscribed" // 未订阅产品
// ApiCallErrorProductNotFound = "product_not_found" // 产品不存在
// ApiCallErrorProductDisabled = "product_disabled" // 产品已停用
// ApiCallErrorSystem = "system_error" // 系统错误
// ApiCallErrorDatasource = "datasource_error" // 数据源异常
// ApiCallErrorInvalidParam = "invalid_param" // 参数不正确
// ApiCallErrorDecryptFail = "decrypt_fail" // 解密失败
const (
ApiCallErrorInvalidAccess = "invalid_access" // 无效AccessId
ApiCallErrorFrozenAccount = "frozen_account" // 账户冻结
ApiCallErrorInvalidIP = "invalid_ip" // IP无效
ApiCallErrorArrears = "arrears" // 账户欠费
ApiCallErrorNotSubscribed = "not_subscribed" // 未订阅产品
ApiCallErrorProductNotFound = "product_not_found" // 产品不存在
ApiCallErrorProductDisabled = "product_disabled" // 产品已停用
ApiCallErrorSystem = "system_error" // 系统错误
ApiCallErrorDatasource = "datasource_error" // 数据源异常
ApiCallErrorInvalidParam = "invalid_param" // 参数不正确
ApiCallErrorDecryptFail = "decrypt_fail" // 解密失败
ApiCallErrorQueryEmpty = "query_empty" // 查询为空
)
// ApiCall API调用聚合根
type ApiCall struct {
ID string `gorm:"type:varchar(64);primaryKey" json:"id"`
AccessId string `gorm:"type:varchar(64);not null;index" json:"access_id"`
UserId *string `gorm:"type:varchar(36);index" json:"user_id,omitempty"`
ProductId *string `gorm:"type:varchar(64);index" json:"product_id,omitempty"`
TransactionId string `gorm:"type:varchar(36);not null;uniqueIndex" json:"transaction_id"`
ClientIp string `gorm:"type:varchar(64);not null;index" json:"client_ip"`
RequestParams string `gorm:"type:text" json:"request_params"`
ResponseData *string `gorm:"type:text" json:"response_data,omitempty"`
Status string `gorm:"type:varchar(20);not null;default:'pending'" json:"status"`
StartAt time.Time `gorm:"not null;index" json:"start_at"`
EndAt *time.Time `gorm:"index" json:"end_at,omitempty"`
Cost *decimal.Decimal `gorm:"default:0" json:"cost,omitempty"`
ErrorType *string `gorm:"type:varchar(32)" json:"error_type,omitempty"`
ErrorMsg *string `gorm:"type:varchar(256)" json:"error_msg,omitempty"`
CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"`
}
// NewApiCall 工厂方法
func NewApiCall(accessId, requestParams, clientIp string) (*ApiCall, error) {
if accessId == "" {
return nil, errors.New("AccessId不能为空")
}
if clientIp == "" {
return nil, errors.New("ClientIp不能为空")
}
return &ApiCall{
ID: uuid.New().String(),
AccessId: accessId,
TransactionId: GenerateTransactionID(),
ClientIp: clientIp,
RequestParams: requestParams,
Status: ApiCallStatusPending,
StartAt: time.Now(),
}, nil
}
// MarkSuccess 标记为成功
func (a *ApiCall) MarkSuccess(cost decimal.Decimal) error {
// 校验除ErrorMsg和ErrorType外所有字段不能为空
if a.ID == "" || a.AccessId == "" || a.TransactionId == "" || a.Status == "" || a.StartAt.IsZero() {
return errors.New("ApiCall字段不能为空除ErrorMsg和ErrorType")
}
// 可选字段也要有值
if a.UserId == nil || a.ProductId == nil {
return errors.New("ApiCall标记成功时UserId、ProductId不能为空")
}
a.Status = ApiCallStatusSuccess
endAt := time.Now()
a.EndAt = &endAt
a.Cost = &cost
a.ErrorType = nil
a.ErrorMsg = nil
return nil
}
// MarkFailed 标记为失败
func (a *ApiCall) MarkFailed(errorType, errorMsg string) {
a.Status = ApiCallStatusFailed
a.ErrorType = &errorType
shortMsg := errorMsg
if len(shortMsg) > 120 {
shortMsg = shortMsg[:120]
}
a.ErrorMsg = &shortMsg
endAt := time.Now()
a.EndAt = &endAt
}
// Validate 校验ApiCall聚合根的业务规则
func (a *ApiCall) Validate() error {
if a.ID == "" {
return errors.New("ID不能为空")
}
if a.AccessId == "" {
return errors.New("AccessId不能为空")
}
if a.TransactionId == "" {
return errors.New("TransactionId不能为空")
}
if a.Status != ApiCallStatusPending && a.Status != ApiCallStatusSuccess && a.Status != ApiCallStatusFailed {
return errors.New("无效的调用状态")
}
return nil
}
// GenerateTransactionID 生成UUID格式的交易单号
func GenerateTransactionID() string {
return uuid.New().String()
}
// TableName 指定数据库表名
func (ApiCall) TableName() string {
return "api_calls"
}
// BeforeCreate GORM钩子创建前自动生成UUID
func (c *ApiCall) BeforeCreate(tx *gorm.DB) error {
if c.ID == "" {
c.ID = uuid.New().String()
}
return nil
}

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package entities
import (
"crypto/rand"
"database/sql/driver"
"encoding/hex"
"encoding/json"
"errors"
"io"
"net"
"time"
"github.com/google/uuid"
"gorm.io/gorm"
)
// ApiUserStatus API用户状态
const (
ApiUserStatusNormal = "normal"
ApiUserStatusFrozen = "frozen"
)
// WhiteListItem 白名单项包含IP地址、添加时间和备注
type WhiteListItem struct {
IPAddress string `json:"ip_address"` // IP地址
AddedAt time.Time `json:"added_at"` // 添加时间
Remark string `json:"remark"` // 备注
}
// WhiteList 白名单类型,支持向后兼容(旧的字符串数组格式)
type WhiteList []WhiteListItem
// Value 实现 driver.Valuer 接口,用于数据库写入
func (w WhiteList) Value() (driver.Value, error) {
if w == nil {
return "[]", nil
}
data, err := json.Marshal(w)
if err != nil {
return nil, err
}
return string(data), nil
}
// Scan 实现 sql.Scanner 接口,用于数据库读取(支持向后兼容)
func (w *WhiteList) Scan(value interface{}) error {
if value == nil {
*w = WhiteList{}
return nil
}
var bytes []byte
switch v := value.(type) {
case []byte:
bytes = v
case string:
bytes = []byte(v)
default:
return errors.New("无法扫描 WhiteList 类型")
}
if len(bytes) == 0 || string(bytes) == "[]" || string(bytes) == "null" {
*w = WhiteList{}
return nil
}
// 首先尝试解析为新格式(结构体数组)
var items []WhiteListItem
if err := json.Unmarshal(bytes, &items); err == nil {
// 成功解析为新格式
*w = WhiteList(items)
return nil
}
// 如果失败,尝试解析为旧格式(字符串数组)
var oldFormat []string
if err := json.Unmarshal(bytes, &oldFormat); err != nil {
return err
}
// 将旧格式转换为新格式
now := time.Now()
items = make([]WhiteListItem, 0, len(oldFormat))
for _, ip := range oldFormat {
items = append(items, WhiteListItem{
IPAddress: ip,
AddedAt: now, // 使用当前时间作为添加时间(因为旧数据没有时间信息)
Remark: "", // 旧数据没有备注信息
})
}
*w = WhiteList(items)
return nil
}
// ApiUser API用户聚合根
type ApiUser struct {
ID string `gorm:"primaryKey;type:varchar(64)" json:"id"`
UserId string `gorm:"type:varchar(36);not null;uniqueIndex" json:"user_id"`
AccessId string `gorm:"type:varchar(64);not null;uniqueIndex" json:"access_id"`
SecretKey string `gorm:"type:varchar(128);not null" json:"secret_key"`
Status string `gorm:"type:varchar(20);not null;default:'normal'" json:"status"`
WhiteList WhiteList `gorm:"type:json;default:'[]'" json:"white_list"` // 支持多个白名单包含IP和添加时间支持向后兼容
// 余额预警配置
BalanceAlertEnabled bool `gorm:"default:true" json:"balance_alert_enabled" comment:"是否启用余额预警"`
BalanceAlertThreshold float64 `gorm:"default:200.00" json:"balance_alert_threshold" comment:"余额预警阈值"`
AlertPhone string `gorm:"type:varchar(20)" json:"alert_phone" comment:"预警手机号"`
LastLowBalanceAlert *time.Time `json:"last_low_balance_alert" comment:"最后低余额预警时间"`
LastArrearsAlert *time.Time `json:"last_arrears_alert" comment:"最后欠费预警时间"`
CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"`
}
// IsWhiteListed 校验IP/域名是否在白名单
func (u *ApiUser) IsWhiteListed(target string) bool {
for _, w := range u.WhiteList {
if w.IPAddress == target {
return true
}
}
return false
}
// IsActive 是否可用
func (u *ApiUser) IsActive() bool {
return u.Status == ApiUserStatusNormal
}
// IsFrozen 是否冻结
func (u *ApiUser) IsFrozen() bool {
return u.Status == ApiUserStatusFrozen
}
// NewApiUser 工厂方法
func NewApiUser(userId string, defaultAlertEnabled bool, defaultAlertThreshold float64) (*ApiUser, error) {
if userId == "" {
return nil, errors.New("用户ID不能为空")
}
accessId, err := GenerateSecretId()
if err != nil {
return nil, err
}
secretKey, err := GenerateSecretKey()
if err != nil {
return nil, err
}
return &ApiUser{
ID: uuid.New().String(),
UserId: userId,
AccessId: accessId,
SecretKey: secretKey,
Status: ApiUserStatusNormal,
WhiteList: WhiteList{},
BalanceAlertEnabled: defaultAlertEnabled,
BalanceAlertThreshold: defaultAlertThreshold,
}, nil
}
// 领域行为
func (u *ApiUser) Freeze() {
u.Status = ApiUserStatusFrozen
}
func (u *ApiUser) Unfreeze() {
u.Status = ApiUserStatusNormal
}
func (u *ApiUser) UpdateWhiteList(list []WhiteListItem) {
u.WhiteList = WhiteList(list)
}
// AddToWhiteList 新增白名单项(防御性校验)
func (u *ApiUser) AddToWhiteList(entry string, remark string) error {
if len(u.WhiteList) >= 10 {
return errors.New("白名单最多只能有10个")
}
if net.ParseIP(entry) == nil {
return errors.New("非法IP")
}
for _, w := range u.WhiteList {
if w.IPAddress == entry {
return errors.New("白名单已存在")
}
}
u.WhiteList = append(u.WhiteList, WhiteListItem{
IPAddress: entry,
AddedAt: time.Now(),
Remark: remark,
})
return nil
}
// BeforeUpdate GORM钩子更新前确保WhiteList不为nil
func (u *ApiUser) BeforeUpdate(tx *gorm.DB) error {
if u.WhiteList == nil {
u.WhiteList = WhiteList{}
}
return nil
}
// RemoveFromWhiteList 删除白名单项
func (u *ApiUser) RemoveFromWhiteList(entry string) error {
newList := make([]WhiteListItem, 0, len(u.WhiteList))
for _, w := range u.WhiteList {
if w.IPAddress != entry {
newList = append(newList, w)
}
}
if len(newList) == len(u.WhiteList) {
return errors.New("白名单不存在")
}
u.WhiteList = newList
return nil
}
// 余额预警相关方法
// UpdateBalanceAlertSettings 更新余额预警设置
func (u *ApiUser) UpdateBalanceAlertSettings(enabled bool, threshold float64, phone string) error {
if threshold < 0 {
return errors.New("预警阈值不能为负数")
}
if phone != "" && len(phone) != 11 {
return errors.New("手机号格式不正确")
}
u.BalanceAlertEnabled = enabled
u.BalanceAlertThreshold = threshold
u.AlertPhone = phone
return nil
}
// ShouldSendLowBalanceAlert 是否应该发送低余额预警24小时冷却期
func (u *ApiUser) ShouldSendLowBalanceAlert(balance float64) bool {
if !u.BalanceAlertEnabled || u.AlertPhone == "" {
return false
}
// 余额低于阈值
if balance < u.BalanceAlertThreshold {
// 检查是否已经发送过预警(避免频繁发送)
if u.LastLowBalanceAlert != nil {
// 如果距离上次预警不足24小时不发送
if time.Since(*u.LastLowBalanceAlert) < 24*time.Hour {
return false
}
}
return true
}
return false
}
// ShouldSendArrearsAlert 是否应该发送欠费预警(不受冷却期限制)
func (u *ApiUser) ShouldSendArrearsAlert(balance float64) bool {
if !u.BalanceAlertEnabled || u.AlertPhone == "" {
return false
}
// 余额为负数(欠费)- 欠费预警不受冷却期限制
if balance < 0 {
return true
}
return false
}
// MarkLowBalanceAlertSent 标记低余额预警已发送
func (u *ApiUser) MarkLowBalanceAlertSent() {
now := time.Now()
u.LastLowBalanceAlert = &now
}
// MarkArrearsAlertSent 标记欠费预警已发送
func (u *ApiUser) MarkArrearsAlertSent() {
now := time.Now()
u.LastArrearsAlert = &now
}
// Validate 校验ApiUser聚合根的业务规则
func (u *ApiUser) Validate() error {
if u.UserId == "" {
return errors.New("用户ID不能为空")
}
if u.AccessId == "" {
return errors.New("AccessId不能为空")
}
if u.SecretKey == "" {
return errors.New("SecretKey不能为空")
}
switch u.Status {
case ApiUserStatusNormal, ApiUserStatusFrozen:
// ok
default:
return errors.New("无效的用户状态")
}
if len(u.WhiteList) > 10 {
return errors.New("白名单最多只能有10个")
}
for _, item := range u.WhiteList {
if net.ParseIP(item.IPAddress) == nil {
return errors.New("白名单项必须为合法IP地址: " + item.IPAddress)
}
}
return nil
}
// 生成AES-128密钥的函数符合市面规范
func GenerateSecretKey() (string, error) {
key := make([]byte, 16) // 16字节密钥
_, err := io.ReadFull(rand.Reader, key)
if err != nil {
return "", err
}
return hex.EncodeToString(key), nil
}
func GenerateSecretId() (string, error) {
// 创建一个字节数组,用于存储随机数据
bytes := make([]byte, 8) // 因为每个字节表示两个16进制字符
// 读取随机字节到数组中
_, err := rand.Read(bytes)
if err != nil {
return "", err
}
// 将字节数组转换为16进制字符串
return hex.EncodeToString(bytes), nil
}
// TableName 指定数据库表名
func (ApiUser) TableName() string {
return "api_users"
}
// BeforeCreate GORM钩子创建前自动生成UUID并确保WhiteList不为nil
func (c *ApiUser) BeforeCreate(tx *gorm.DB) error {
if c.ID == "" {
c.ID = uuid.New().String()
}
if c.WhiteList == nil {
c.WhiteList = WhiteList{}
}
return nil
}
// AfterFind GORM钩子查询后处理数据确保AddedAt不为零值
func (u *ApiUser) AfterFind(tx *gorm.DB) error {
// 如果 WhiteList 为空,初始化为空数组
if u.WhiteList == nil {
u.WhiteList = WhiteList{}
return nil
}
// 确保所有项的AddedAt不为零值处理可能从旧数据迁移的情况
now := time.Now()
for i := range u.WhiteList {
if u.WhiteList[i].AddedAt.IsZero() {
u.WhiteList[i].AddedAt = now
}
}
return nil
}

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package entities
import "time"
// Report 报告记录实体
// 用于持久化存储各类报告(企业报告等),通过编号和类型区分
type Report struct {
// 报告编号,直接使用业务生成的 reportId 作为主键
ReportID string `gorm:"primaryKey;type:varchar(64)" json:"report_id"`
// 报告类型,例如 enterprise企业报告、personal 等
Type string `gorm:"type:varchar(32);not null;index" json:"type"`
// 调用来源API编码例如 QYGLJ1U9
ApiCode string `gorm:"type:varchar(32);not null;index" json:"api_code"`
// 企业名称和统一社会信用代码,便于后续检索
EntName string `gorm:"type:varchar(255);index" json:"ent_name"`
EntCode string `gorm:"type:varchar(64);index" json:"ent_code"`
// 原始请求参数JSON字符串用于审计和排错
RequestParams string `gorm:"type:text" json:"request_params"`
// 报告完整JSON内容
ReportData string `gorm:"type:text" json:"report_data"`
// 创建时间
CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
}
// TableName 指定数据库表名
func (Report) TableName() string {
return "reports"
}