portainer/app/agent/services/volumeBrowserService.js

angular.module('portainer.agent').factory('VolumeBrowserService', [
  '$q', 'Browse',
  function VolumeBrowserServiceFactory($q, Browse) {
    'use strict';
    var service = {};

    service.ls = function(volumeId, path) {
      return Browse.ls({ volumeID: volumeId, path: path }).$promise;
    };

    service.get = function(volumeId, path) {
      return Browse.get({ volumeID: volumeId, path: path }).$promise;
    };

    service.delete = function(volumeId, path) {
      return Browse.delete({ volumeID: volumeId, path: path }).$promise;
    };

    service.rename = function(volumeId, path, newPath) {
      var payload = {
        CurrentFilePath: path,
        NewFilePath: newPath
      };
      return Browse.rename({ volumeID: volumeId }, payload).$promise;
    };

    return service;
  }
]);