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新增退款申请全生命周期管理：创建/列表/详情/审批通过/拒绝/退回/重新提交 审批通过后异步执行佣金全额回扣（扣减各代理佣金钱包）和资产重置（套餐失效+停机+世代重置） 新增 tb_refund_request 表（迁移 000093）、RefundRequest Model、8 个 DTO 新增 Store/Service/Handler/路由注册，仅平台用户可访问
54 lines
2.8 KiB
Go
54 lines
2.8 KiB
Go
package model
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import (
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"time"
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"gorm.io/gorm"
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)
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// RefundRequest 退款申请模型
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// 记录退款申请的完整生命周期，包含退款单号、关联订单、金额、状态流转、审批信息等
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// 状态流转：1(待审批) → 2(已通过)/3(已拒绝)/4(已退回)，4(已退回) → 1(待审批)
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type RefundRequest struct {
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gorm.Model
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BaseModel `gorm:"embedded"`
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// 退款单基础信息
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RefundNo string `gorm:"column:refund_no;type:varchar(50);uniqueIndex:idx_refund_request_refund_no,where:deleted_at IS NULL;not null;comment:退款单号（RF+日期时间+6位随机数）" json:"refund_no"`
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OrderID uint `gorm:"column:order_id;index;not null;comment:关联订单ID" json:"order_id"`
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PackageUsageID *uint `gorm:"column:package_usage_id;comment:关联套餐使用记录ID（可选）" json:"package_usage_id,omitempty"`
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ShopID *uint `gorm:"column:shop_id;index;comment:店铺ID（从订单获取，用于数据权限过滤）" json:"shop_id,omitempty"`
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// 金额信息
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ActualReceivedAmount int64 `gorm:"column:actual_received_amount;type:bigint;not null;comment:实收金额（分）" json:"actual_received_amount"`
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RequestedRefundAmount int64 `gorm:"column:requested_refund_amount;type:bigint;not null;comment:申请退款金额（分）" json:"requested_refund_amount"`
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ApprovedRefundAmount *int64 `gorm:"column:approved_refund_amount;type:bigint;comment:审批实际退款金额（分）" json:"approved_refund_amount,omitempty"`
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// 退款原因和状态
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RefundReason string `gorm:"column:refund_reason;type:text;comment:退款原因" json:"refund_reason"`
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Status int `gorm:"column:status;type:int;not null;default:1;index;comment:状态 1-待审批 2-已通过 3-已拒绝 4-已退回" json:"status"`
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// 审批信息
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ProcessorID *uint `gorm:"column:processor_id;comment:审批人ID" json:"processor_id,omitempty"`
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ProcessedAt *time.Time `gorm:"column:processed_at;comment:审批时间" json:"processed_at,omitempty"`
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RejectReason string `gorm:"column:reject_reason;type:text;comment:拒绝原因" json:"reject_reason,omitempty"`
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Remark string `gorm:"column:remark;type:text;comment:审批备注" json:"remark,omitempty"`
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// 后处理标记
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CommissionDeducted bool `gorm:"column:commission_deducted;not null;default:false;comment:佣金是否已回扣" json:"commission_deducted"`
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AssetReset bool `gorm:"column:asset_reset;not null;default:false;comment:资产是否已重置（套餐停用+停机+世代重置）" json:"asset_reset"`
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}
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// TableName 指定表名
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func (RefundRequest) TableName() string {
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return "tb_refund_request"
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}
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// 退款状态常量
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const (
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RefundStatusPending = 1 // 待审批
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RefundStatusApproved = 2 // 已通过
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RefundStatusRejected = 3 // 已拒绝
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RefundStatusReturned = 4 // 已退回
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)
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