优化表结构，重构模型，重新实现基于白银网关的提取节点流程

web/queries/refund.gen.go

@@ -28,14 +28,14 @@ func newRefund(db *gorm.DB, opts ...gen.DOOption) refund {
 	tableName := _refund.refundDo.TableName()
 	_refund.ALL = field.NewAsterisk(tableName)
 	_refund.ID = field.NewInt32(tableName, "id")
+	_refund.CreatedAt = field.NewTime(tableName, "created_at")
+	_refund.UpdatedAt = field.NewTime(tableName, "updated_at")
+	_refund.DeletedAt = field.NewField(tableName, "deleted_at")
 	_refund.TradeID = field.NewInt32(tableName, "trade_id")
 	_refund.ProductID = field.NewInt32(tableName, "product_id")
 	_refund.Amount = field.NewField(tableName, "amount")
 	_refund.Reason = field.NewString(tableName, "reason")
-	_refund.Status = field.NewInt32(tableName, "status")
-	_refund.CreatedAt = field.NewField(tableName, "created_at")
-	_refund.UpdatedAt = field.NewField(tableName, "updated_at")
-	_refund.DeletedAt = field.NewField(tableName, "deleted_at")
+	_refund.Status = field.NewInt(tableName, "status")
 
 	_refund.fillFieldMap()
 
@@ -46,15 +46,15 @@ type refund struct {
 	refundDo
 
 	ALL       field.Asterisk
-	ID        field.Int32  // 退款ID
-	TradeID   field.Int32  // 订单ID
-	ProductID field.Int32  // 产品ID
-	Amount    field.Field  // 退款金额
-	Reason    field.String // 退款原因
-	Status    field.Int32  // 退款状态：0-待处理，1-已退款，2-已拒绝
-	CreatedAt field.Field  // 创建时间
-	UpdatedAt field.Field  // 更新时间
-	DeletedAt field.Field  // 删除时间
+	ID        field.Int32
+	CreatedAt field.Time
+	UpdatedAt field.Time
+	DeletedAt field.Field
+	TradeID   field.Int32
+	ProductID field.Int32
+	Amount    field.Field
+	Reason    field.String
+	Status    field.Int
 
 	fieldMap map[string]field.Expr
 }
@@ -72,14 +72,14 @@ func (r refund) As(alias string) *refund {
 func (r *refund) updateTableName(table string) *refund {
 	r.ALL = field.NewAsterisk(table)
 	r.ID = field.NewInt32(table, "id")
+	r.CreatedAt = field.NewTime(table, "created_at")
+	r.UpdatedAt = field.NewTime(table, "updated_at")
+	r.DeletedAt = field.NewField(table, "deleted_at")
 	r.TradeID = field.NewInt32(table, "trade_id")
 	r.ProductID = field.NewInt32(table, "product_id")
 	r.Amount = field.NewField(table, "amount")
 	r.Reason = field.NewString(table, "reason")
-	r.Status = field.NewInt32(table, "status")
-	r.CreatedAt = field.NewField(table, "created_at")
-	r.UpdatedAt = field.NewField(table, "updated_at")
-	r.DeletedAt = field.NewField(table, "deleted_at")
+	r.Status = field.NewInt(table, "status")
 
 	r.fillFieldMap()
 
@@ -98,14 +98,14 @@ func (r *refund) GetFieldByName(fieldName string) (field.OrderExpr, bool) {
 func (r *refund) fillFieldMap() {
 	r.fieldMap = make(map[string]field.Expr, 9)
 	r.fieldMap["id"] = r.ID
+	r.fieldMap["created_at"] = r.CreatedAt
+	r.fieldMap["updated_at"] = r.UpdatedAt
+	r.fieldMap["deleted_at"] = r.DeletedAt
 	r.fieldMap["trade_id"] = r.TradeID
 	r.fieldMap["product_id"] = r.ProductID
 	r.fieldMap["amount"] = r.Amount
 	r.fieldMap["reason"] = r.Reason
 	r.fieldMap["status"] = r.Status
-	r.fieldMap["created_at"] = r.CreatedAt
-	r.fieldMap["updated_at"] = r.UpdatedAt
-	r.fieldMap["deleted_at"] = r.DeletedAt
 }
 
 func (r refund) clone(db *gorm.DB) refund {