Work on db status service

src/app/db-status.service.ts

@@ -1,31 +1,42 @@
 import { Injectable } from '@angular/core';
-import { HttpClient, HttpHeaders } from '@angular/common/http';
+import { HttpClient, HttpHeaders, HttpParams } from '@angular/common/http';
 import { CookieService } from './cookie.service';
 
-import { Observable } from 'rxjs';
-import { map } from 'rxjs/operators';
+import { Observable, of } from 'rxjs';
+import { map, retry, catchError } from 'rxjs/operators';
 
 import { environment } from '../environments/environment'
-import { apiURL } from './api-utils'
+import { apiURL, apiRetry } from './api-utils'
+import { FolderStatus, Folder } from './folder'
 
 @Injectable({
   providedIn: 'root'
 })
 export class DbStatusService {
-  private httpOptions: any;
+  private folderStatus: Object = {};
+
+  // TODO why isn't this working?
+  private httpOptions: { headers: HttpHeaders } | { params: HttpParams };
   private dbStatusUrl = environment.production ? apiURL + 'rest/db/status' : 'api/dbStatus';
 
   constructor(private http: HttpClient, private cookieService: CookieService) {
     this.httpOptions = { headers: new HttpHeaders(this.cookieService.getCSRFHeader()) };
   }
 
-  getFolderStatus(id: string): Observable<any> {
+  getFolderStatus(id: string): Observable<FolderStatus> {
+    /*
+    if (id) {
+      this.httpOptions["params"] = new HttpParams().set('folder', id);
+    }
+    */
+
     return this.http
-      .get(this.dbStatusUrl, this.httpOptions)
-      .pipe(map(res => {
-        // TODO update folder in system-config service
-        return res;
-      })
+      .get<FolderStatus>(this.dbStatusUrl, this.httpOptions)
+      .pipe(
+        retry(apiRetry),
+        map(res => {
+          return res;
+        })
       );
   }
-}
+}