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/**
* ============LICENSE_START========================================================================
* ONAP : ccsdk feature sdnr wt odlux
* =================================================================================================
* Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
* =================================================================================================
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
* ============LICENSE_END==========================================================================
*/
import { requestRest } from '../../../../framework/src/services/restService';
import { TocTreeNode, TocNodeCollection } from '../models/tocNode';
class HelpService {
private tocNodeCollection: TocTreeNode[] | null = null;
private documents: { [path: string]: string | null } = {};
public async getDocument(path: string): Promise<string | null> {
// check if the result is allready in the cache
if (this.documents[path]) return Promise.resolve(this.documents[path]);
// request the document
const result = await requestRest<string>(`/help/${path}`.replace(/\/{2,}/i, '/'));
if (result) {
this.documents[path] = result;
}
return this.documents[path] || null;
}
public async getTableOfContents(): Promise<TocTreeNode[] | null> {
// check if the result is allready in the cache
if (this.tocNodeCollection) return Promise.resolve(this.tocNodeCollection);
// request the table of contents
const result = await requestRest<TocNodeCollection>('/help/?meta', undefined, false);
if (result !== null) {
const mapNodesCollection = (col: TocNodeCollection): TocTreeNode[] => {
return Object.keys(col).reduce<TocTreeNode[]>((acc, key) => {
const current = col[key];
acc.push({
id: key,
label: current.label,
uri: current.versions.current.path,
nodes: current.nodes && mapNodesCollection(current.nodes) || undefined
});
return acc;
}, []);
}
this.tocNodeCollection = result && mapNodesCollection(result);
}
return this.tocNodeCollection || null;
}
}
export const helpService = new HelpService();
export default helpService;
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