add message

business/jxstore/event/event.go

@@ -225,3 +225,24 @@ func GetMessageGroupByUser(ctx *jxcontext.Context, userID string) (messageGroupR
 	}
 	return messageGroups, err
 }
+
+func AddMessageGroup(ctx *jxcontext.Context, groupID int, userID string) (err error) {
+	var (
+		db = dao.GetDB()
+	)
+	messageGroupMembers, err := dao.GetMessageGroupMembers(db, groupID, userID)
+	if err != nil {
+		return err
+	}
+	if len(messageGroupMembers) > 0 {
+		return fmt.Errorf("此用户已经在该群组中了，请不要重复邀请！")
+	}
+	messageGroupMember := &model.MessageGroupMember{
+		GroupID:      groupID,
+		MemberUserID: userID,
+		Type:         model.GroupMemberTypeNormal,
+	}
+	dao.WrapAddIDCULDEntity(messageGroupMember, ctx.GetUserName())
+	dao.CreateEntity(db, messageGroupMember)
+	return err
+}