feat: 实现客户端换货系统(client-exchange-system)
新增完整换货生命周期管理:后台发起 → 客户端填收货信息 → 后台发货 → 确认完成(含可选全量迁移) → 旧资产转新再销售 后台接口(7个): - POST /api/admin/exchanges(发起换货) - GET /api/admin/exchanges(换货列表) - GET /api/admin/exchanges/:id(换货详情) - POST /api/admin/exchanges/:id/ship(发货) - POST /api/admin/exchanges/:id/complete(确认完成+可选迁移) - POST /api/admin/exchanges/:id/cancel(取消) - POST /api/admin/exchanges/:id/renew(旧资产转新) 客户端接口(2个): - GET /api/c/v1/exchange/pending(查询换货通知) - POST /api/c/v1/exchange/:id/shipping-info(填写收货信息) 核心能力: - ExchangeOrder 模型与状态机(1待填写→2待发货→3已发货→4已完成,1/2可取消→5) - 全量迁移事务(11张表:钱包、套餐、标签、客户绑定等) - 旧资产转新(generation+1、状态重置、新钱包、历史隔离) - 旧 CardReplacementRecord 表改名为 legacy,is_replaced 过滤改为查新表 - 数据库迁移:000085 新建 tb_exchange_order,000086 旧表改名
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@@ -64,7 +64,8 @@ const (
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TaskTypePackageDataReset = "package:data:reset" // 套餐流量重置
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// 订单超时任务类型
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TaskTypeOrderExpire = "order:expire" // 订单超时自动取消
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TaskTypeOrderExpire = "order:expire" // 订单超时自动取消
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TaskTypeAutoPurchaseAfterRecharge = "task:auto_purchase_after_recharge" // 充值后自动购包
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// 定时任务类型(由 Asynq Scheduler 调度)
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TaskTypeAlertCheck = "alert:check" // 告警检查
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@@ -205,8 +206,30 @@ const (
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AuthorizerTypeAgent = UserTypeAgent // 代理账号授权(3)
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)
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// 自动代购状态常量(强充二阶段异步购买)
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const (
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AutoPurchaseStatusPending = "pending" // 待处理
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AutoPurchaseStatusSuccess = "success" // 成功
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AutoPurchaseStatusFailed = "failed" // 失败
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)
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// 设备保护期相关时长常量
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const (
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DeviceProtectPeriodDuration = 1 * time.Hour // 设备停/复机保护期时长(1小时)
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DeviceRefreshCooldownDuration = 30 * time.Second // 设备网关刷新冷却时长(30秒)
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)
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// 换货单状态常量
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const (
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ExchangeStatusPendingInfo = 1 // 待填写信息(等待客户端填写收货地址)
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ExchangeStatusPendingShip = 2 // 待发货(客户端已填写,等待后台发货)
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ExchangeStatusShipped = 3 // 已发货待确认(后台已发货,等待确认完成)
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ExchangeStatusCompleted = 4 // 已完成
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ExchangeStatusCancelled = 5 // 已取消
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)
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// 换货资产类型常量
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const (
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ExchangeAssetTypeIotCard = "iot_card" // 物联网卡
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ExchangeAssetTypeDevice = "device" // 设备
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)
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@@ -329,6 +329,24 @@ func RedisOrderCreateLockKey(carrierType string, carrierID uint) string {
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return fmt.Sprintf("order:create:lock:%s:%d", carrierType, carrierID)
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}
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// ========================================
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// 客户端购买相关 Redis Key
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// ========================================
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// RedisClientPurchaseIdempotencyKey 生成客户端套餐购买幂等性检测的 Redis 键
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// 用途:防止同一个人客户对同一资产重复提交购买请求(SETNX 快速拒绝)
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// 过期时间:3 分钟
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func RedisClientPurchaseIdempotencyKey(businessKey string) string {
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return fmt.Sprintf("client:purchase:idempotency:%s", businessKey)
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}
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// RedisClientPurchaseLockKey 生成客户端套餐购买分布式锁的 Redis 键
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// 用途:防止同一资产的购买请求并发执行
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// 过期时间:10 秒
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func RedisClientPurchaseLockKey(assetType string, assetID uint) string {
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return fmt.Sprintf("client:purchase:lock:%s:%d", assetType, assetID)
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}
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// ========================================
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// 设备保护期相关 Redis Key
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// ========================================
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@@ -149,6 +149,17 @@ const (
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CodePhoneAlreadyBound = 1184 // 手机号已被其他客户绑定
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CodeAlreadyBoundPhone = 1185 // 当前客户已绑定手机号,不可重复绑定
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CodeOldPhoneMismatch = 1186 // 旧手机号与当前绑定不匹配
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CodeNeedRealname = 1187 // 该套餐需实名认证后购买
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CodeOpenIDNotFound = 1188 // 未找到微信授权信息,请先完成授权
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// 换货相关错误 (1200-1209)
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CodeExchangeOrderNotFound = 1200 // 换货单不存在
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CodeExchangeInProgress = 1201 // 存在进行中的换货单
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CodeExchangeStatusInvalid = 1202 // 换货单状态不允许此操作
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CodeExchangeAssetTypeMismatch = 1203 // 换货资产类型必须一致
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CodeExchangeNewAssetNotInStock = 1204 // 新资产非在库状态
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CodeExchangeAssetNotExchanged = 1205 // 资产未处于已换货状态,不允许转新
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CodeExchangeMigrationFailed = 1206 // 数据迁移失败
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// 服务端错误 (2000-2999) -> 5xx HTTP 状态码
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CodeInternalError = 2001 // 内部服务器错误
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@@ -274,6 +285,15 @@ var allErrorCodes = []int{
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CodePhoneAlreadyBound,
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CodeAlreadyBoundPhone,
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CodeOldPhoneMismatch,
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CodeNeedRealname,
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CodeOpenIDNotFound,
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CodeExchangeOrderNotFound,
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CodeExchangeInProgress,
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CodeExchangeStatusInvalid,
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CodeExchangeAssetTypeMismatch,
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CodeExchangeNewAssetNotInStock,
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CodeExchangeAssetNotExchanged,
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CodeExchangeMigrationFailed,
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CodeInternalError,
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CodeDatabaseError,
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CodeRedisError,
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@@ -396,6 +416,15 @@ var errorMessages = map[int]string{
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CodePhoneAlreadyBound: "手机号已被其他客户绑定",
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CodeAlreadyBoundPhone: "当前客户已绑定手机号,不可重复绑定",
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CodeOldPhoneMismatch: "旧手机号与当前绑定不匹配",
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CodeNeedRealname: "该套餐需实名认证后购买",
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CodeOpenIDNotFound: "未找到微信授权信息,请先完成授权",
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CodeExchangeOrderNotFound: "换货单不存在或无权限",
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CodeExchangeInProgress: "该资产存在进行中的换货单",
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CodeExchangeStatusInvalid: "换货单当前状态不允许此操作",
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CodeExchangeAssetTypeMismatch: "换货资产类型必须一致(卡换卡/设备换设备)",
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CodeExchangeNewAssetNotInStock: "新资产非在库状态,不可用于换货",
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CodeExchangeAssetNotExchanged: "资产当前状态不允许转新",
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CodeExchangeMigrationFailed: "换货数据迁移失败",
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CodeInvalidCredentials: "用户名或密码错误",
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CodeAccountLocked: "账号已锁定",
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CodePasswordExpired: "密码已过期",
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@@ -16,6 +16,12 @@ func BuildDocHandlers() *bootstrap.Handlers {
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Role: admin.NewRoleHandler(nil, nil),
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Permission: admin.NewPermissionHandler(nil),
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PersonalCustomer: app.NewPersonalCustomerHandler(nil, nil),
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ClientAsset: app.NewClientAssetHandler(nil, nil, nil, nil, nil, nil, nil, nil, nil),
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ClientWallet: app.NewClientWalletHandler(nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil),
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ClientOrder: app.NewClientOrderHandler(nil, nil, nil, nil, nil, nil, nil, nil),
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ClientExchange: app.NewClientExchangeHandler(nil),
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ClientRealname: app.NewClientRealnameHandler(nil, nil, nil, nil, nil, nil, nil),
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ClientDevice: app.NewClientDeviceHandler(nil, nil, nil, nil, nil, nil, nil),
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Shop: admin.NewShopHandler(nil),
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ShopRole: admin.NewShopRoleHandler(nil),
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ShopCommission: admin.NewShopCommissionHandler(nil),
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@@ -40,6 +46,7 @@ func BuildDocHandlers() *bootstrap.Handlers {
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ShopPackageBatchPricing: admin.NewShopPackageBatchPricingHandler(nil),
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ShopSeriesGrant: admin.NewShopSeriesGrantHandler(nil),
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AdminOrder: admin.NewOrderHandler(nil, nil),
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AdminExchange: admin.NewExchangeHandler(nil, nil),
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PaymentCallback: callback.NewPaymentHandler(nil, nil, nil, nil),
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PollingConfig: admin.NewPollingConfigHandler(nil),
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PollingConcurrency: admin.NewPollingConcurrencyHandler(nil),
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