相关问题优化以及新功能开发

迁移 155- 157

internal/model/dto/order_dto.go

@@ -15,7 +15,7 @@ type CreateAdminOrderRequest struct {
 	Identifier        string `json:"identifier" validate:"required,min=1,max=100" required:"true" minLength:"1" maxLength:"100" description:"资产标识符（ICCID 或 VirtualNo）"`
 	PackageIDs        []uint `json:"package_ids" validate:"required,min=1,max=10,dive,min=1" required:"true" minItems:"1" maxItems:"10" description:"套餐ID列表"`
 	PaymentMethod     string `json:"payment_method" validate:"required,oneof=wallet offline" required:"true" description:"支付方式 (wallet:钱包支付, offline:线下支付)"`
-	PaymentVoucherKey string `json:"payment_voucher_key" validate:"omitempty,max=500" maxLength:"500" description:"线下支付凭证对象存储file_key（payment_method=offline时必填，通过/storage/upload-url上传图片后获得）"`
+	PaymentVoucherKey []string `json:"payment_voucher_key" validate:"omitempty,max=5,dive,max=500" maxItems:"5" description:"线下支付凭证对象存储file_key列表（payment_method=offline时至少1个，最多5个，通过/storage/upload-url上传图片后获得）"`
 }
 
 type OrderListRequest struct {
@@ -63,7 +63,7 @@ type OrderResponse struct {
 	PaymentStatus           int        `json:"payment_status" description:"支付状态 (1:待支付, 2:已支付, 3:已取消, 4:已退款)"`
 	PaymentStatusText       string     `json:"payment_status_text" description:"支付状态文本"`
 	PaidAt                  *time.Time `json:"paid_at,omitempty" description:"支付时间"`
-	PaymentVoucherKey       string     `json:"payment_voucher_key,omitempty" description:"线下支付凭证对象存储file_key（仅线下支付订单有值）"`
+	PaymentVoucherKey       []string   `json:"payment_voucher_key" description:"线下支付凭证对象存储file_key列表（线下支付订单有值，最多5个）"`
 	IsPurchaseOnBehalf      bool       `json:"is_purchase_on_behalf" description:"是否为代购订单"`
 	CommissionStatus        int        `json:"commission_status" description:"佣金流程状态 (1:待计算, 2:已完成, 3:待人工处理)"`
 	CommissionStatusName    string     `json:"commission_status_name" description:"佣金流程状态名称（中文）"`