fix: return id from api when creating new annotation/graphite annotation, fixes #9798

When creating a region annotation the response will include both
id (region start id) and endId (region end id), if not only id.

docs/sources/http_api/annotations.md

@@ -89,7 +89,7 @@ Content-Type: application/json
 
 ## Create Annotation
 
-Creates an annotation in the Grafana database. The `dashboardId` and `panelId` fields are optional. If they are not specified then a global annotation is created and can be queried in any dashboard that adds the Grafana annotations data source.
+Creates an annotation in the Grafana database. The `dashboardId` and `panelId` fields are optional. If they are not specified then a global annotation is created and can be queried in any dashboard that adds the Grafana annotations data source. When creating a region annotation the response will include both `id` and `endId`, if not only `id`.
 
 `POST /api/annotations`
 
@@ -117,7 +117,11 @@ Content-Type: application/json
 HTTP/1.1 200
 Content-Type: application/json
 
-{"message":"Annotation added"}
+{
+    "message":"Annotation added",
+    "id": 1,
+    "endId": 2
+}
 ```
 
 ## Create Annotation in Graphite format
@@ -148,7 +152,10 @@ Content-Type: application/json
 HTTP/1.1 200
 Content-Type: application/json
 
-{"message":"Graphite annotation added"}
+{
+    "message":"Graphite annotation added",
+    "id": 1
+}
 ```
 
 ## Update Annotation

pkg/api/annotations.go

@@ -8,6 +8,7 @@ import (
 	"github.com/grafana/grafana/pkg/components/simplejson"
 	"github.com/grafana/grafana/pkg/middleware"
 	"github.com/grafana/grafana/pkg/services/annotations"
+	"github.com/grafana/grafana/pkg/util"
 )
 
 func GetAnnotations(c *middleware.Context) Response {
@@ -48,12 +49,13 @@ func (e *CreateAnnotationError) Error() string {
 	return e.message
 }
 
-func PostAnnotation(c *middleware.Context, cmd dtos.PostAnnotationsCmd) Response {
+func PostAnnotation(c *middleware.Context, cmd dtos.PostAnnotationsCmd) {
 	repo := annotations.GetRepository()
 
 	if cmd.Text == "" {
 		err := &CreateAnnotationError{"text field should not be empty"}
-		return ApiError(500, "Failed to save annotation", err)
+		c.JsonApiErr(500, "Failed to save annotation", err)
+		return
 	}
 
 	item := annotations.Item{
@@ -72,30 +74,45 @@ func PostAnnotation(c *middleware.Context, cmd dtos.PostAnnotationsCmd) Response
 	}
 
 	if err := repo.Save(&item); err != nil {
-		return ApiError(500, "Failed to save annotation", err)
+		c.JsonApiErr(500, "Failed to save annotation", err)
+		return
 	}
 
+	startID := item.Id
+
 	// handle regions
 	if cmd.IsRegion {
-		item.RegionId = item.Id
+		item.RegionId = startID
 
 		if item.Data == nil {
 			item.Data = simplejson.New()
 		}
 
 		if err := repo.Update(&item); err != nil {
-			return ApiError(500, "Failed set regionId on annotation", err)
+			c.JsonApiErr(500, "Failed set regionId on annotation", err)
+			return
 		}
 
 		item.Id = 0
 		item.Epoch = cmd.TimeEnd / 1000
 
 		if err := repo.Save(&item); err != nil {
-			return ApiError(500, "Failed save annotation for region end time", err)
+			c.JsonApiErr(500, "Failed save annotation for region end time", err)
+			return
 		}
+
+		c.JSON(200, util.DynMap{
+			"message": "Annotation added",
+			"id":      startID,
+			"endId":   item.Id,
+		})
+		return
 	}
 
-	return ApiSuccess("Annotation added")
+	c.JSON(200, util.DynMap{
+		"message": "Annotation added",
+		"id":      startID,
+	})
 }
 
 func formatGraphiteAnnotation(what string, data string) string {
@@ -106,12 +123,13 @@ func formatGraphiteAnnotation(what string, data string) string {
 	return text
 }
 
-func PostGraphiteAnnotation(c *middleware.Context, cmd dtos.PostGraphiteAnnotationsCmd) Response {
+func PostGraphiteAnnotation(c *middleware.Context, cmd dtos.PostGraphiteAnnotationsCmd) {
 	repo := annotations.GetRepository()
 
 	if cmd.What == "" {
 		err := &CreateAnnotationError{"what field should not be empty"}
-		return ApiError(500, "Failed to save Graphite annotation", err)
+		c.JsonApiErr(500, "Failed to save Graphite annotation", err)
+		return
 	}
 
 	if cmd.When == 0 {
@@ -134,12 +152,14 @@ func PostGraphiteAnnotation(c *middleware.Context, cmd dtos.PostGraphiteAnnotati
 				tagsArray = append(tagsArray, tagStr)
 			} else {
 				err := &CreateAnnotationError{"tag should be a string"}
-				return ApiError(500, "Failed to save Graphite annotation", err)
+				c.JsonApiErr(500, "Failed to save Graphite annotation", err)
+				return
 			}
 		}
 	default:
 		err := &CreateAnnotationError{"unsupported tags format"}
-		return ApiError(500, "Failed to save Graphite annotation", err)
+		c.JsonApiErr(500, "Failed to save Graphite annotation", err)
+		return
 	}
 
 	item := annotations.Item{
@@ -151,10 +171,14 @@ func PostGraphiteAnnotation(c *middleware.Context, cmd dtos.PostGraphiteAnnotati
 	}
 
 	if err := repo.Save(&item); err != nil {
-		return ApiError(500, "Failed to save Graphite annotation", err)
+		c.JsonApiErr(500, "Failed to save Graphite annotation", err)
+		return
 	}
 
-	return ApiSuccess("Graphite annotation added")
+	c.JSON(200, util.DynMap{
+		"message": "Graphite annotation added",
+		"id":      item.Id,
+	})
 }
 
 func UpdateAnnotation(c *middleware.Context, cmd dtos.UpdateAnnotationsCmd) Response {

pkg/api/api.go

@@ -288,11 +288,11 @@ func (hs *HttpServer) registerRoutes() {
 		apiRoute.Post("/annotations/mass-delete", reqOrgAdmin, bind(dtos.DeleteAnnotationsCmd{}), wrap(DeleteAnnotations))
 
 		apiRoute.Group("/annotations", func(annotationsRoute RouteRegister) {
-			annotationsRoute.Post("/", bind(dtos.PostAnnotationsCmd{}), wrap(PostAnnotation))
+			annotationsRoute.Post("/", bind(dtos.PostAnnotationsCmd{}), PostAnnotation)
 			annotationsRoute.Delete("/:annotationId", wrap(DeleteAnnotationById))
 			annotationsRoute.Put("/:annotationId", bind(dtos.UpdateAnnotationsCmd{}), wrap(UpdateAnnotation))
 			annotationsRoute.Delete("/region/:regionId", wrap(DeleteAnnotationRegion))
-			annotationsRoute.Post("/graphite", bind(dtos.PostGraphiteAnnotationsCmd{}), wrap(PostGraphiteAnnotation))
+			annotationsRoute.Post("/graphite", bind(dtos.PostGraphiteAnnotationsCmd{}), PostGraphiteAnnotation)
 		}, reqEditorRole)
 
 		// error test

pkg/services/sqlstore/annotation_test.go

@@ -37,16 +37,18 @@ func TestAnnotations(t *testing.T) {
 		repo := SqlAnnotationRepo{}
 
 		Convey("Can save annotation", func() {
-			err := repo.Save(&annotations.Item{
+			annotation := &annotations.Item{
 				OrgId:       1,
 				UserId:      1,
 				DashboardId: 1,
 				Text:        "hello",
 				Epoch:       10,
 				Tags:        []string{"outage", "error", "type:outage", "server:server-1"},
-			})
+			}
+			err := repo.Save(annotation)
 
 			So(err, ShouldBeNil)
+			So(annotation.Id, ShouldBeGreaterThan, 0)
 
 			Convey("Can query for annotation", func() {
 				items, err := repo.Find(&annotations.ItemQuery{