Keep download count on Container tag overwrite (#20728)

Co-authored-by: 6543 <6543@obermui.de>

integrations/api_packages_container_test.go

@@ -276,11 +276,23 @@ func TestPackageContainer(t *testing.T) {
 							}
 						}
 
-						// Overwrite existing tag
+						req = NewRequest(t, "GET", fmt.Sprintf("%s/manifests/%s", url, tag))
+						addTokenAuthHeader(req, userToken)
+						MakeRequest(t, req, http.StatusOK)
+
+						pv, err = packages_model.GetVersionByNameAndVersion(db.DefaultContext, user.ID, packages_model.TypeContainer, image, tag)
+						assert.NoError(t, err)
+						assert.EqualValues(t, 1, pv.DownloadCount)
+
+						// Overwrite existing tag should keep the download count
 						req = NewRequestWithBody(t, "PUT", fmt.Sprintf("%s/manifests/%s", url, tag), strings.NewReader(manifestContent))
 						addTokenAuthHeader(req, userToken)
 						req.Header.Set("Content-Type", oci.MediaTypeDockerManifest)
 						MakeRequest(t, req, http.StatusCreated)
+
+						pv, err = packages_model.GetVersionByNameAndVersion(db.DefaultContext, user.ID, packages_model.TypeContainer, image, tag)
+						assert.NoError(t, err)
+						assert.EqualValues(t, 1, pv.DownloadCount)
 					})
 
 					t.Run("HeadManifest", func(t *testing.T) {

routers/api/packages/container/manifest.go

@@ -312,6 +312,9 @@ func createPackageAndVersion(ctx context.Context, mci *manifestCreationInfo, met
 				return nil, err
 			}
 
+			// keep download count on overwrite
+			_pv.DownloadCount = pv.DownloadCount
+
 			if pv, err = packages_model.GetOrInsertVersion(ctx, _pv); err != nil {
 				log.Error("Error inserting package: %v", err)
 				return nil, err