add api: get one alert-subscribe

.gitignore

@@ -36,6 +36,7 @@ _test
 /vendor
 /tmp
 /pub
+/n9e
 
 .alerts
 .idea

src/models/alert_subscribe.go

@@ -40,6 +40,20 @@ func AlertSubscribeGets(groupId int64) (lst []AlertSubscribe, err error) {
 	return
 }
 
+func AlertSubscribeGet(where string, args ...interface{}) (*AlertSubscribe, error) {
+	var lst []*AlertSubscribe
+	err := DB().Where(where, args...).Find(&lst).Error
+	if err != nil {
+		return nil, err
+	}
+
+	if len(lst) == 0 {
+		return nil, nil
+	}
+
+	return lst[0], nil
+}
+
 func (s *AlertSubscribe) Verify() error {
 	if s.Cluster == "" {
 		return errors.New("cluster invalid")

src/webapi/router/router.go

@@ -185,6 +185,7 @@ func configRoute(r *gin.Engine, version string) {
 		pages.DELETE("/busi-group/:id/alert-mutes", jwtAuth(), user(), bgrw(), alertMuteDel)
 
 		pages.GET("/busi-group/:id/alert-subscribes", jwtAuth(), user(), bgro(), alertSubscribeGets)
+		pages.GET("/alert-subscribe/:sid", jwtAuth(), user(), bgro(), alertSubscribeGet)
 		pages.POST("/busi-group/:id/alert-subscribes", jwtAuth(), user(), bgrw(), alertSubscribeAdd)
 		pages.PUT("/busi-group/:id/alert-subscribes", jwtAuth(), user(), bgrw(), alertSubscribePut)
 		pages.DELETE("/busi-group/:id/alert-subscribes", jwtAuth(), user(), bgrw(), alertSubscribeDel)

src/webapi/router/router_alert_subscribe.go

@@ -28,6 +28,26 @@ func alertSubscribeGets(c *gin.Context) {
 	ginx.NewRender(c).Data(lst, err)
 }
 
+func alertSubscribeGet(c *gin.Context) {
+	subid := ginx.UrlParamInt64(c, "sid")
+
+	sub, err := models.AlertSubscribeGet("id=?", subid)
+	ginx.Dangerous(err)
+
+	if sub == nil {
+		ginx.NewRender(c, 404).Message("No such alert subscribe")
+		return
+	}
+
+	ugcache := make(map[int64]*models.UserGroup)
+	sub.FillUserGroups(ugcache)
+
+	rulecache := make(map[int64]string)
+	sub.FillRuleName(rulecache)
+
+	ginx.NewRender(c).Data(sub, nil)
+}
+
 func alertSubscribeAdd(c *gin.Context) {
 	var f models.AlertSubscribe
 	ginx.BindJSON(c, &f)