feat(api): add client app service endpoints

backend/api/internal/models/wallet_recharge_order.go

@@ -0,0 +1,23 @@
+package models
+
+import (
+	"git.apinb.com/bsm-sdk/core/database"
+	"time"
+)
+
+// WalletRechargeOrder 保存客户端钱包充值订单。
+type WalletRechargeOrder struct {
+	Entity                    // 公共实体字段
+	RechargeStatus int        `gorm:"column:recharge_status;not null;default:10;index" json:"recharge_status"`     // 充值订单状态
+	WalletBasicID  uint64     `gorm:"column:wallet_basic_id;not null;index" json:"wallet_basic_id"`                // 钱包内部主键
+	RechargeNo     string     `gorm:"column:recharge_no;type:varchar(64);not null;uniqueIndex" json:"recharge_no"` // 充值订单号
+	RequestNo      string     `gorm:"column:request_no;type:varchar(128);not null;uniqueIndex" json:"request_no"`  // 创建幂等号
+	Amount         int64      `gorm:"column:amount;not null;check:amount > 0" json:"amount"`                       // 充值金额，单位分
+	Channel        string     `gorm:"column:channel;type:varchar(32);not null" json:"channel"`                     // 支付渠道
+	OwnerType      string     `gorm:"column:owner_type;type:varchar(32);not null;index" json:"owner_type"`         // 钱包主体类型
+	OwnerIdentity  string     `gorm:"column:owner_identity;type:varchar(36);not null;index" json:"owner_identity"` // 钱包主体业务标识
+	CompletedAt    *time.Time `gorm:"column:completed_at;type:timestamptz" json:"completed_at"`                    // 支付完成时间
+}
+
+func init()                                    { database.AppendMigrate(&WalletRechargeOrder{}) }
+func (*WalletRechargeOrder) TableName() string { return "wallet_recharge_order" }