refactor(app): introduce new project structure for the frontend (#1623)

app/docker/services/systemService.js

@@ -0,0 +1,49 @@
+angular.module('portainer.docker')
+.factory('SystemService', ['$q', 'System', function SystemServiceFactory($q, System) {
+  'use strict';
+  var service = {};
+
+  service.plugins = function() {
+    var deferred = $q.defer();
+    System.info({}).$promise
+    .then(function success(data) {
+      var plugins = data.Plugins;
+      deferred.resolve(plugins);
+    })
+    .catch(function error(err) {
+      deferred.reject({msg: 'Unable to retrieve plugins information from system', err: err});
+    });
+    return deferred.promise;
+  };
+
+  service.info = function() {
+    return System.info({}).$promise;
+  };
+
+  service.version = function() {
+    return System.version({}).$promise;
+  };
+
+  service.events = function(from, to) {
+    var deferred = $q.defer();
+
+    System.events({since: from, until: to}).$promise
+    .then(function success(data) {
+      var events = data.map(function (item) {
+        return new EventViewModel(item);
+      });
+      deferred.resolve(events);
+    })
+    .catch(function error(err) {
+      deferred.reject({ msg: 'Unable to retrieve engine events', err: err });
+    });
+
+    return deferred.promise;
+  };
+
+  service.dataUsage = function () {
+    return System.dataUsage().$promise;
+  };
+
+  return service;
+}]);