feat(alerting): added clear history button to alert state history view, #6244

pkg/api/annotations.go

@@ -44,3 +44,19 @@ func GetAnnotations(c *middleware.Context) Response {
 
 	return Json(200, result)
 }
+
+func DeleteAnnotations(c *middleware.Context, cmd dtos.DeleteAnnotationsCmd) Response {
+	repo := annotations.GetRepository()
+
+	err := repo.Delete(&annotations.DeleteParams{
+		AlertId:     cmd.PanelId,
+		DashboardId: cmd.DashboardId,
+		PanelId:     cmd.PanelId,
+	})
+
+	if err != nil {
+		return ApiError(500, "Failed to delete annotations", err)
+	}
+
+	return ApiSuccess("Annotations deleted")
+}

pkg/api/api.go

@@ -269,6 +269,7 @@ func Register(r *macaron.Macaron) {
 		}, reqOrgAdmin)
 
 		r.Get("/annotations", wrap(GetAnnotations))
+		r.Post("/annotations/mass-delete", reqOrgAdmin, bind(dtos.DeleteAnnotationsCmd{}), wrap(DeleteAnnotations))
 
 		// error test
 		r.Get("/metrics/error", wrap(GenerateError))

pkg/api/dtos/annotations.go

@@ -15,3 +15,9 @@ type Annotation struct {
 
 	Data *simplejson.Json `json:"data"`
 }
+
+type DeleteAnnotationsCmd struct {
+	AlertId     int64 `json:"alertId"`
+	DashboardId int64 `json:"dashboardId"`
+	PanelId     int64 `json:"panelId"`
+}

pkg/services/annotations/annotations.go

@@ -5,6 +5,7 @@ import "github.com/grafana/grafana/pkg/components/simplejson"
 type Repository interface {
 	Save(item *Item) error
 	Find(query *ItemQuery) ([]*Item, error)
+	Delete(params *DeleteParams) error
 }
 
 type ItemQuery struct {
@@ -20,6 +21,12 @@ type ItemQuery struct {
 	Limit int64 `json:"alertId"`
 }
 
+type DeleteParams struct {
+	AlertId     int64 `json:"alertId"`
+	DashboardId int64 `json:"dashboardId"`
+	PanelId     int64 `json:"panelId"`
+}
+
 var repositoryInstance Repository
 
 func GetRepository() Repository {

pkg/services/sqlstore/annotation.go

@@ -84,3 +84,17 @@ func (r *SqlAnnotationRepo) Find(query *annotations.ItemQuery) ([]*annotations.I
 
 	return items, nil
 }
+
+func (r *SqlAnnotationRepo) Delete(params *annotations.DeleteParams) error {
+	return inTransaction(func(sess *xorm.Session) error {
+
+		sql := "DELETE FROM annotation WHERE dashboard_id = ? AND panel_id = ?"
+
+		_, err := sess.Exec(sql, params.DashboardId, params.PanelId)
+		if err != nil {
+			return err
+		}
+
+		return nil
+	})
+}