aboutsummaryrefslogtreecommitdiffstats
path: root/sdnr/wt/odlux/apps/helpApp/src/services
diff options
context:
space:
mode:
Diffstat (limited to 'sdnr/wt/odlux/apps/helpApp/src/services')
-rw-r--r--sdnr/wt/odlux/apps/helpApp/src/services/helpService.ts47
1 files changed, 47 insertions, 0 deletions
diff --git a/sdnr/wt/odlux/apps/helpApp/src/services/helpService.ts b/sdnr/wt/odlux/apps/helpApp/src/services/helpService.ts
new file mode 100644
index 000000000..480cdd04e
--- /dev/null
+++ b/sdnr/wt/odlux/apps/helpApp/src/services/helpService.ts
@@ -0,0 +1,47 @@
+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');
+ if (result !== false) {
+ const mapNodesCollection = (col: TocNodeCollection): TocTreeNode[] => {
+ return Object.keys(col).reduce <TocTreeNode[]>((acc, key) => {
+ const current = col[key];
+ acc.push({
+ 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; \ No newline at end of file