feat：优化项目信息

app/api/website/controller/payment/activity.go

@@ -0,0 +1,46 @@
+package payment
+
+import (
+	"SciencesServer/app/api/website/model"
+	model2 "SciencesServer/app/common/model"
+	"gorm.io/gorm"
+)
+
+type Activity struct {
+	uid, activityID uint64
+	identity        int
+}
+
+type ActivityCallback func(uid, activityID uint64, identity int) *Activity
+
+func (c *Activity) grant(tx *gorm.DB) error {
+	var count int64
+
+	mActivityJoin := model.NewActivityJoin()
+
+	err := model2.Count(mActivityJoin.ActivityJoin, &count, model2.NewWhere("uid", c.uid),
+		model2.NewWhere("activity_id", c.activityID),
+		model2.NewWhere("identity", c.identity),
+		model2.NewWhere("status", model2.ActivityJoinStatusForSuccess))
+
+	if err != nil {
+		return err
+	} else if count > 0 {
+		return nil
+	}
+	mActivityJoin.UID = c.uid
+	mActivityJoin.ActivityID = c.activityID
+	mActivityJoin.Identity = c.identity
+	mActivityJoin.Status = model2.ActivityJoinStatusForSuccess
+	return model2.Create(mActivityJoin.ActivityJoin, tx)
+}
+
+func NewActivity() ActivityCallback {
+	return func(uid, activityID uint64, identity int) *Activity {
+		return &Activity{
+			uid:        uid,
+			activityID: activityID,
+			identity:   identity,
+		}
+	}
+}