feat：优化项目信息

app/common/model/order_instance.go

@@ -2,6 +2,9 @@ package model
 
 import "encoding/json"
 
+type IOrderInstance interface {
+}
+
 // OrderInstance 订单数据模型
 type OrderInstance struct {
 	Model
@@ -29,12 +32,22 @@ type OrderInstanceParamsKind int
 const (
 	// OrderInstanceParamsKindForActivity 活动信息
 	OrderInstanceParamsKindForActivity OrderInstanceParamsKind = iota + 1e2 + 1
+	// OrderInstanceParamsKindForVIP 会员信息
+	OrderInstanceParamsKindForVIP
 )
 
-// OrderInstanceParamsForActivity 订单活动参数
-type OrderInstanceParamsForActivity struct {
-	ID uint64 `json:"id"`
-}
+type (
+	// OrderInstanceParamsForActivity 订单活动参数
+	OrderInstanceParamsForActivity struct {
+		ID       uint64 `json:"id"`
+		Identity int    `json:"identity"`
+	}
+	// OrderInstanceParamsForVip 会员参数
+	OrderInstanceParamsForVip struct {
+		ID         uint64 `json:"id"`
+		EffectTime int    `json:"effect_time"` // 有效时长，月
+	}
+)
 
 // OrderInstanceStatus 订单状态
 type OrderInstanceStatus int
@@ -56,7 +69,7 @@ func (m *OrderInstance) TableName() string {
 	return "order_instance"
 }
 
-func (m *OrderInstance) SetParamsAttribute(kind OrderInstanceParamsKind, data interface{}) {
+func (m *OrderInstance) SetParamsAttribute(kind OrderInstanceParamsKind, data IOrderInstance) {
 	value := &OrderInstanceParams{Kind: kind, Data: data}
 	_bytes, _ := json.Marshal(value)
 	m.Params = string(_bytes)