Add userpreferences

pkg/server/resources/userpreferences/rancherpref.go

@@ -0,0 +1,136 @@
+package userpreferences
+
+import (
+	"github.com/rancher/steve/pkg/attributes"
+	"github.com/rancher/steve/pkg/schemaserver/store/empty"
+	"github.com/rancher/steve/pkg/schemaserver/types"
+	"github.com/rancher/steve/pkg/server/store/proxy"
+	"github.com/rancher/wrangler/pkg/data/convert"
+	"github.com/rancher/wrangler/pkg/schemas/validation"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/client-go/dynamic"
+)
+
+var (
+	rancherSchema = "management.cattle.io.preference"
+)
+
+type rancherPrefStore struct {
+	empty.Store
+	cg proxy.ClientGetter
+}
+
+func (e *rancherPrefStore) getClient(apiOp *types.APIRequest) (dynamic.ResourceInterface, error) {
+	u := getUser(apiOp).GetName()
+	cmSchema := apiOp.Schemas.LookupSchema(rancherSchema)
+	if cmSchema == nil {
+		return nil, validation.NotFound
+	}
+
+	return e.cg.AdminClient(apiOp, cmSchema, u)
+}
+
+func (e *rancherPrefStore) ByID(apiOp *types.APIRequest, schema *types.APISchema, id string) (types.APIObject, error) {
+	u := getUser(apiOp)
+	client, err := e.getClient(apiOp)
+	if err != nil {
+		return types.APIObject{}, err
+	}
+
+	pref := &UserPreference{
+		Data: map[string]string{},
+	}
+	result := types.APIObject{
+		Type:   "userpreference",
+		ID:     u.GetName(),
+		Object: pref,
+	}
+
+	objs, err := client.List(metav1.ListOptions{})
+	if err != nil {
+		return result, err
+	}
+
+	for _, obj := range objs.Items {
+		pref.Data[obj.GetName()] = convert.ToString(obj.Object["value"])
+	}
+
+	return result, nil
+}
+
+func (e *rancherPrefStore) List(apiOp *types.APIRequest, schema *types.APISchema) (types.APIObjectList, error) {
+	obj, err := e.ByID(apiOp, schema, "")
+	if err != nil {
+		return types.APIObjectList{}, err
+	}
+	return types.APIObjectList{
+		Objects: []types.APIObject{
+			obj,
+		},
+	}, nil
+}
+
+func (e *rancherPrefStore) Update(apiOp *types.APIRequest, schema *types.APISchema, data types.APIObject, id string) (types.APIObject, error) {
+	client, err := e.getClient(apiOp)
+	if err != nil {
+		return types.APIObject{}, err
+	}
+
+	gvk := attributes.GVK(apiOp.Schemas.LookupSchema(rancherSchema))
+
+	newValues := map[string]string{}
+	for k, v := range data.Data().Map("data") {
+		newValues[k] = convert.ToString(v)
+	}
+
+	prefs, err := client.List(metav1.ListOptions{})
+	if err != nil {
+		return types.APIObject{}, err
+	}
+
+	for _, pref := range prefs.Items {
+		key := pref.GetName()
+		newValue, ok := newValues[key]
+		delete(newValues, key)
+		if ok && newValue != pref.Object["value"] {
+			pref.Object["value"] = newValue
+			_, err := client.Update(&pref, metav1.UpdateOptions{})
+			if err != nil {
+				return types.APIObject{}, err
+			}
+		} else if !ok {
+			err := client.Delete(key, nil)
+			if err != nil {
+				return types.APIObject{}, err
+			}
+		}
+	}
+
+	for k, v := range newValues {
+		_, err = client.Create(&unstructured.Unstructured{
+			Object: map[string]interface{}{
+				"apiVersion": gvk.GroupVersion().String(),
+				"kind":       gvk.Kind,
+				"metadata": map[string]interface{}{
+					"name": k,
+				},
+				"value": v,
+			},
+		}, metav1.CreateOptions{})
+		if err != nil {
+			return types.APIObject{}, err
+		}
+	}
+
+	return e.ByID(apiOp, schema, "")
+}
+
+func (e *rancherPrefStore) Delete(apiOp *types.APIRequest, schema *types.APISchema, id string) (types.APIObject, error) {
+	client, err := e.getClient(apiOp)
+	if err != nil {
+		return types.APIObject{}, err
+	}
+
+	return types.APIObject{}, client.DeleteCollection(nil, metav1.ListOptions{})
+}