103 lines
2.4 KiB
Go
103 lines
2.4 KiB
Go
package folders
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import (
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"context"
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"fmt"
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"net/http"
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"slices"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apiserver/pkg/registry/rest"
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"github.com/grafana/grafana/pkg/apis/folder/v0alpha1"
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)
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type subParentsREST struct {
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getter rest.Getter
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}
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var _ = rest.Connecter(&subParentsREST{})
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var _ = rest.StorageMetadata(&subParentsREST{})
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func (r *subParentsREST) New() runtime.Object {
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return &v0alpha1.FolderInfoList{}
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}
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func (r *subParentsREST) Destroy() {
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}
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func (r *subParentsREST) ConnectMethods() []string {
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return []string{"GET"}
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}
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func (r *subParentsREST) ProducesMIMETypes(verb string) []string {
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return nil
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}
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func (r *subParentsREST) ProducesObject(verb string) interface{} {
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return &v0alpha1.FolderInfoList{}
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}
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func (r *subParentsREST) NewConnectOptions() (runtime.Object, bool, string) {
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return nil, false, "" // true means you can use the trailing path as a variable
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}
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func (r *subParentsREST) Connect(ctx context.Context, name string, opts runtime.Object, responder rest.Responder) (http.Handler, error) {
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obj, err := r.getter.Get(ctx, name, &metav1.GetOptions{})
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if err != nil {
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return nil, err
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}
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folder, ok := obj.(*v0alpha1.Folder)
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if !ok {
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return nil, fmt.Errorf("expecting folder, found: %T", folder)
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}
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return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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info := r.parents(ctx, folder)
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// Start from the root
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slices.Reverse(info.Items)
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responder.Object(http.StatusOK, info)
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}), nil
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}
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func (r *subParentsREST) parents(ctx context.Context, folder *v0alpha1.Folder) *v0alpha1.FolderInfoList {
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info := &v0alpha1.FolderInfoList{
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Items: []v0alpha1.FolderInfo{},
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}
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for folder != nil {
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parent := getParent(folder)
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info.Items = append(info.Items, v0alpha1.FolderInfo{
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Name: folder.Name,
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Title: folder.Spec.Title,
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Description: folder.Spec.Description,
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Parent: parent,
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})
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if parent == "" {
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break
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}
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obj, err := r.getter.Get(ctx, parent, &metav1.GetOptions{})
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if err != nil {
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info.Items = append(info.Items, v0alpha1.FolderInfo{
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Name: parent,
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Detached: true,
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Description: err.Error(),
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})
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break
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}
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parentFolder, ok := obj.(*v0alpha1.Folder)
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if !ok {
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info.Items = append(info.Items, v0alpha1.FolderInfo{
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Name: parent,
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Detached: true,
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Description: fmt.Sprintf("expected folder, found: %T", obj),
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})
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break
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}
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folder = parentFolder
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}
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return info
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}
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