Chore: Add dashboard UID as query parameter of Get annotation endpoint (#52764)

* Chore: Add dashboard uid as query parameter of Get annotation endpoint

* Update pkg/api/annotations.go

Co-authored-by: Sofia Papagiannaki <1632407+papagian@users.noreply.github.com>

* update the dashboarUID

Co-authored-by: Sofia Papagiannaki <1632407+papagian@users.noreply.github.com>

pkg/api/annotations.go

@@ -26,6 +26,7 @@ func (hs *HTTPServer) GetAnnotations(c *models.ReqContext) response.Response {
 		UserId:       c.QueryInt64("userId"),
 		AlertId:      c.QueryInt64("alertId"),
 		DashboardId:  c.QueryInt64("dashboardId"),
+		DashboardUid: c.Query("dashboardUID"),
 		PanelId:      c.QueryInt64("panelId"),
 		Limit:        c.QueryInt64("limit"),
 		Tags:         c.QueryStrings("tags"),
@@ -34,6 +35,16 @@ func (hs *HTTPServer) GetAnnotations(c *models.ReqContext) response.Response {
 		SignedInUser: c.SignedInUser,
 	}
 
+	// When dashboard UID present in the request, we ignore dashboard ID
+	if query.DashboardUid != "" {
+		dq := models.GetDashboardQuery{Uid: query.DashboardUid, OrgId: c.OrgId}
+		err := hs.DashboardService.GetDashboard(c.Req.Context(), &dq)
+		if err != nil {
+			return response.Error(http.StatusBadRequest, "Invalid dashboard UID in the request", err)
+		}
+		query.DashboardId = dq.Id
+	}
+
 	repo := annotations.GetRepository()
 
 	items, err := repo.Find(c.Req.Context(), query)

pkg/api/docs/definitions/annotations.go

@@ -149,6 +149,10 @@ type GetAnnotationsParams struct {
 	// in:query
 	// required:false
 	DashboardID int64 `json:"dashboardId"`
+	// Find annotations that are scoped to a specific dashboard
+	// in:query
+	// required:false
+	DashboardUID string `json:"dashboardUID"`
 	// Find annotations that are scoped to a specific panel
 	// in:query
 	// required:false