Files
grafana/pkg/registry/apis/folders/sub_children.go

89 lines
2.1 KiB
Go

package folders
import (
"context"
"fmt"
"net/http"
"k8s.io/apimachinery/pkg/apis/meta/internalversion"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apiserver/pkg/registry/rest"
folders "github.com/grafana/grafana/apps/folder/pkg/apis/folder/v1beta1"
"github.com/grafana/grafana/pkg/apimachinery/utils"
"github.com/grafana/grafana/pkg/services/folder"
)
type subChildrenREST struct {
getter rest.Getter
lister rest.Lister
}
var _ = rest.Connecter(&subChildrenREST{})
var _ = rest.StorageMetadata(&subChildrenREST{})
func (r *subChildrenREST) New() runtime.Object {
return &folders.FolderList{}
}
func (r *subChildrenREST) Destroy() {
}
func (r *subChildrenREST) ProducesMIMETypes(verb string) []string {
return nil
}
func (r *subChildrenREST) ProducesObject(verb string) interface{} {
return &folders.FolderList{}
}
func (r *subChildrenREST) ConnectMethods() []string {
return []string{"GET"}
}
func (r *subChildrenREST) NewConnectOptions() (runtime.Object, bool, string) {
return nil, false, "" // true means you can use the trailing path as a variable
}
func (r *subChildrenREST) Connect(ctx context.Context, name string, opts runtime.Object, responder rest.Responder) (http.Handler, error) {
if _, err := r.getter.Get(ctx, name, &v1.GetOptions{}); err != nil {
return nil, err
}
obj, err := r.lister.List(ctx, &internalversion.ListOptions{
Limit: 500,
// TODO, field selector
})
if err != nil {
return nil, err
}
allFolders, ok := obj.(*folders.FolderList)
if !ok {
return nil, fmt.Errorf("could not list folders")
}
if allFolders.Continue != "" {
return nil, fmt.Errorf("found too many folders to process")
}
if name == folder.GeneralFolderUID {
name = "" // general is empty
}
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
children := &folders.FolderList{}
for _, folder := range allFolders.Items {
v, err := utils.MetaAccessor(folder)
if err != nil {
continue
}
if name == v.GetFolder() {
children.Items = append(children.Items, folder)
}
}
responder.Object(http.StatusOK, children)
}), nil
}