allowes for setting download folder in downloader bar;other minor chanages

lib/Controller/MainController.php

@@ -115,6 +115,7 @@ class MainController extends Controller
             'personal_url' => $this->urlGenerator->linkToRoute("settings.PersonalSettings.index", ['section' => 'ncdownloader']),
             'ncd_hide_errors' => $this->hideError,
             'ncd_disable_bt' => $this->disable_bt_nonadmin,
+            'ncd_downloader_dir' => Helper::getSettings("ncd_downloader_dir"),
         ]);
         return $params;
     }

lib/Controller/SettingsController.php

@@ -25,6 +25,18 @@ class SettingsController extends Controller
         //$this->config = \OC::$server->getAppConfig();
     }
 
+    /**
+     * @NoAdminRequired
+     * @NoCSRFRequired
+     */
+    public function getSettings()
+    {
+        $name = $this->request->getParam("name");
+        $type = $this->request->getParam("type") ?? Settings::TYPE['USER'];
+        $default = $this->request->getParam("default") ?? null;
+        return new JSONResponse(Helper::getSettings($name, $default, $type));
+    }
+
     /**
      * @NoAdminRequired
      * @NoCSRFRequired
@@ -37,6 +49,7 @@ class SettingsController extends Controller
         }
         return new JSONResponse($resp);
     }
+
     /**
      * @NoAdminRequired
      * @NoCSRFRequired
@@ -128,8 +141,8 @@ class SettingsController extends Controller
         try {
             $this->settings->save($key, $value);
         } catch (\Exception $e) {
-            return ['error' => $e->getMessage()];
+            return ['error' => $e->getMessage(), "status" => false];
         }
-        return ['message' => "Saved!"];
+        return ['message' => "Saved!", "status" => true];
     }
 }