Bind task manager backbone app to websocket using autobahn

Gruntfile.js

@@ -52,7 +52,7 @@ module.exports = function(grunt) {
             "autobahnjs": {
                 "expand": true,
                 "src": [
-                    "<%= path.bower %>/autobahnjs/build/autobahn.min.js",
+                    "<%= path.bower %>/autobahnjs/build/autobahn.js",
                     "<%= path.bower %>/autobahnjs/LICENSE"
                 ],
                 "dest": "<%= path.asset %>/autobahnjs/",

lib/Alchemy/Phrasea/Controller/Admin/TaskManager.php

@@ -14,6 +14,7 @@ namespace Alchemy\Phrasea\Controller\Admin;
 use Alchemy\Phrasea\Exception\InvalidArgumentException;
 use Alchemy\Phrasea\Form\TaskForm;
 use Alchemy\Phrasea\Model\Entities\Task;
+use Alchemy\Phrasea\TaskManager\TaskManagerStatus;
 use Silex\Application;
 use Silex\ControllerProviderInterface;
 use Symfony\Component\HttpFoundation\Request;
@@ -46,6 +47,10 @@ class TaskManager implements ControllerProviderInterface
             ->get('/scheduler', 'controller.admin.task:getScheduler')
             ->bind('admin_scheduler');
 
+        $controllers
+            ->get('/live', 'controller.admin.task:getLiveInformation')
+            ->bind('admin_tasks_live_info');
+
         $controllers
             ->post('/tasks/create', 'controller.admin.task:postCreateTask')
             ->bind('admin_tasks_task_create');
@@ -124,22 +129,38 @@ class TaskManager implements ControllerProviderInterface
         return $app->redirectPath('admin_tasks_list');
     }
 
+    public function getLiveInformation(Application $app, Request $request)
+    {
+        if ($request->getRequestFormat() !== "json") {
+            $app->abort(406, 'Only JSON format is accepted.');
+        }
+
+        foreach ($app['manipulator.task']->getRepository()->findAll() as $task) {
+            $tasks[$task->getId()] = $app['task-manager.live-information']->getTask($task);
+        }
+
+        return $app->json([
+            'manager' => $app['task-manager.live-information']->getManager(),
+            'tasks' => $tasks
+        ]);
+    }
+
+
     public function getScheduler(Application $app, Request $request)
     {
         if ($request->getRequestFormat() !== "json") {
             $app->abort(406, 'Only JSON format is accepted.');
         }
 
-        $scheduler = array_replace($app['task-manager.live-information']->getManager(), [
+        return $app->json([
             'name' => $app->trans('Task Scheduler'),
+            'configuration' => $app['task-manager.status']->getStatus(),
             'urls' => [
                 'start' => $app->path('admin_tasks_scheduler_start'),
                 'stop' => $app->path('admin_tasks_scheduler_stop'),
                 'log' => $app->path('admin_tasks_scheduler_log'),
             ]
         ]);
-
-        return $app->json($scheduler);
     }
 
     public function getTasks(Application $app, Request $request)
@@ -147,11 +168,11 @@ class TaskManager implements ControllerProviderInterface
         $tasks = [];
 
         foreach ($app['repo.tasks']->findAll() as $task) {
-            $tasks[] = array_replace(
-                $app['task-manager.live-information']->getTask($task), [
+            $tasks[] = [
                 'id' => $task->getId(),
-                'name' => $task->getName()
-            ]);
+                'name' => $task->getName(),
+                'configuration' => $task->getStatus()
+            ];
         }
 
         if ($request->getRequestFormat() === "json") {
@@ -165,10 +186,11 @@ class TaskManager implements ControllerProviderInterface
         return $app['twig']->render('admin/task-manager/index.html.twig', [
             'available_jobs' => $app['task-manager.available-jobs'],
             'tasks' => $tasks,
-            'scheduler' => array_replace(
-                $app['task-manager.live-information']->getManager(), [
-                'name' => $app->trans('Task Scheduler')
-            ])
+            'scheduler' => [
+                'id'   => '',
+                'name' => $app->trans('Task Scheduler'),
+                'configuration' => $app['task-manager.status']->getStatus(),
+            ]
         ]);
     }
 

lib/conf.d/minifyGroupsConfig.php

@@ -51,6 +51,7 @@ $groups = [
         , '//assets/blueimp-load-image/load-image.js'
         , '//assets/jquery-file-upload/jquery.iframe-transport.js'
         , '//assets/jquery-file-upload/jquery.fileupload.js'
+        , '//assets/autobahnjs/autobahn.js'
     ],
     'report' => [
          '//assets/jquery.ui/i18n/jquery-ui-i18n.js'

templates/web/admin/task-manager/index.html.twig

@@ -1,19 +1,25 @@
-<div class="page-header">
+<div id="task-manager-app">
+    <div class="page-header">
         <h1>{{ 'Task Scheduler' | trans }}
             <small style="font-size:16px;">
                 {% set updateTime %}
-            <span id="pingTime">{{ "now"|date(constant("DateTime::ISO8601")) }}</span>
+                <span id="pingTime" class="ping-view">{{ "now"|date(constant("DateTime::ISO8601")) }}</span>
                 {% endset %}
                 {% trans with {'%updateTime%' : updateTime} %}Last update on %updateTime%{% endtrans %}
             </small>
         </h1>
-</div>
+    </div>
+
 
-<div id="task-manager-app">
     <table class="admintable">
         <thead>
             <tr>
-                <th></th>
+                <th class="refresh-view" style="width:80px;"  data-refresh-url="{{ path('admin_tasks_live_info') }}">
+                    <button class="btn btn-refresh">
+                        <i class="icon icon-refresh"/>
+                    </button>
+                    <i id="spinner" style="font-size:16px" class='icon-spinner icon-spin'>
+                </th>
                 <th>ID</th>
                 <th>PID</th>
                 <th>!</th>
@@ -22,7 +28,7 @@
                 <th>{{ "name" | trans | upper }}</th>
             </tr>
         </thead>
-        <tbody id="scheduler-view">
+        <tbody class="scheduler-view">
             <tr>
                 <td class="menu">
                     <div class="btn-group">
@@ -49,14 +55,14 @@
                     </div>
                 </td>
                 <td></td>
-                <td>{{ scheduler["process-id"] }}</td>
                 <td></td>
-                <td>{{ scheduler["actual"] }}</td>
+                <td></td>
+                <td></td>
                 <td>{{ scheduler["configuration"] }}</td>
                 <td>{{ scheduler["name"] }}</td>
             </tr>
         </tbody>
-        <tbody id="tasks-list-view">
+        <tbody class="tasks-list-view">
             {% for task in tasks %}
                 <tr>
                     <td class="menu">
@@ -93,10 +99,10 @@
                             </ul>
                         </div>
                     </td>
-                    <td>{% if task["id"] != "taskmanager" %}{{ task["id"] }}{% endif %}</td>
-                    <td>{{ task["process-id"] }}</td>
+                    <td>{{ task["id"] }}</td>
+                    <td></td>
+                    <td></td>
                     <td></td>
-                    <td>{{ task["actual"] }}</td>
                     <td>{{ task["configuration"] }}</td>
                     <td>{{ task["name"] }}</td>
                 </tr>
@@ -115,6 +121,8 @@
     </form>
 </div>
 
+{#<script src="/assets/autobahnjs/autobahn.js"></script>#}
+
 <script type="text/javascript">
     $(document).ready(function(){
         $("form[name='form-create-task'] select").bind("change", function() {
@@ -126,4 +134,5 @@
 {# include js templates #}
 {% include 'admin/task-manager/templates.html.twig' %}
 
-<script type="text/javascript" src="{{ path('minifier', { 'f' : 'assets/requirejs/require.js,/scripts/apps/admin/tasks-manager/main.js' }) }}"></script>
+<script type="text/javascript" src="{{ path('minifier', { 'f' : 'assets/requirejs/require.js' }) }}"></script>
+<script type="text/javascript" src="{{ path('minifier', { 'f' : 'scripts/apps/admin/tasks-manager/main.js' }) }}"></script>

www/scripts/apps/admin/tasks-manager/app.js

@@ -12,58 +12,90 @@ define([
     "underscore",
     "backbone",
     "models/scheduler",
+    "common/websockets/connection",
     "apps/admin/tasks-manager/views/scheduler",
     "apps/admin/tasks-manager/views/tasks",
     "apps/admin/tasks-manager/views/ping",
+    "apps/admin/tasks-manager/views/refresh",
     "apps/admin/tasks-manager/collections/tasks"
-], function ($, _, Backbone, Scheduler, SchedulerView, TasksView, PingView, TasksCollection) {
+], function ($, _, Backbone, Scheduler, WSConnection, SchedulerView, TasksView, PingView, RefreshView, TasksCollection) {
     var create = function() {
         window.TaskManagerApp = {
             $scope: $("#task-manager-app"),
-            $tasksListView : $("#tasks-list-view", this.$scope),
-            $schedulerView : $("#scheduler-view", this.$scope),
-            $pingView : $("#pingTime", this.$scope)
+            $tasksListView : $(".tasks-list-view", this.$scope),
+            $schedulerView : $(".scheduler-view", this.$scope),
+            $pingView : $(".ping-view", this.$scope),
+            $refreshView : $(".refresh-view", this.$scope),
+            eventAggregator: _.extend({}, Backbone.Events),
+            wsuri: "ws://dev.phrasea.net:9090/websockets",
+            wstopic: "http://phraseanet.com/topics/admin/task-manager"
         };
 
         TaskManagerApp.tasksCollection = new TasksCollection();
         TaskManagerApp.Scheduler = new Scheduler();
-
-        TaskManagerApp.pingView = new PingView({
-            el: TaskManagerApp.$pingView
+        TaskManagerApp.pingView = new PingView({el: TaskManagerApp.$pingView});
+        TaskManagerApp.refreshView = new RefreshView({
+            el: TaskManagerApp.$refreshView,
+            pingView: TaskManagerApp.pingView,
+            tasksCollection: TaskManagerApp.tasksCollection,
+            scheduler: TaskManagerApp.Scheduler
         });
     }
 
     var load = function() {
+        TaskManagerApp.refreshView.refreshAction();
         // fetch objects
         $.when.apply($, [
                 TaskManagerApp.tasksCollection.fetch(),
                 TaskManagerApp.Scheduler.fetch()
             ]).done(
             function () {
-                TaskManagerApp.schedulerView = new SchedulerView({
-                    model: TaskManagerApp.Scheduler,
-                    el: TaskManagerApp.$schedulerView
-                });
-                TaskManagerApp.tasksView = new TasksView({
-                    collection: TaskManagerApp.tasksCollection,
-                    el: TaskManagerApp.$tasksListView
-                });
+                // Init & render views
+                TaskManagerApp.schedulerView = new SchedulerView({model: TaskManagerApp.Scheduler, el: TaskManagerApp.$schedulerView});
+                TaskManagerApp.tasksView = new TasksView({collection: TaskManagerApp.tasksCollection, el: TaskManagerApp.$tasksListView});
 
-                // render views
                 TaskManagerApp.tasksView.render();
                 TaskManagerApp.schedulerView.render();
+
+                // Sets connection to the web socket
+                var ws = new WSConnection({url:TaskManagerApp.wsuri, topic: TaskManagerApp.wstopic, eventAggregator: TaskManagerApp.eventAggregator});
+                ws.run();
+
+                // On ticks re-render ping view, update tasks & scheduler model
+                TaskManagerApp.eventAggregator.on("ws:manager-tick", function(response) {
+                    var $this = this;
+                    $this.pingView.render();
+                    $this.Scheduler.set({"actual": "started", "process-id": response.message.manager["process-id"]});
+                    _.each(response.message.jobs, function(data, id) {
+                        var jobModel = $this.tasksCollection.get(id);
+                        if ("undefined" !== jobModel) {
+                            jobModel.set({"actual": data["status"], "process-id": data["process-id"]});
+                        }
+                    });
+                });
             }
         );
     };
 
     var initialize = function () {
         create();
+        var regexp = /task-manager/;
+        $(document).ajaxComplete(function(event, request, settings) {
+            if ("undefined" !== typeof settings && regexp.test(settings.url)) {
+                TaskManagerApp.refreshView.loadState(false);
+            }
+        });
+
+        $(document).ajaxStart(function(event, request, settings) {
+            if ("undefined" !== typeof settings && regexp.test(settings.url)) {
+                TaskManagerApp.refreshView.loadState(true);
+            }
+        });
+
         load();
     };
 
     return {
-        create: create,
-        load: load,
         initialize: initialize
     };
 });

www/scripts/apps/admin/tasks-manager/views/refresh.js

@@ -0,0 +1,72 @@
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+define([
+    "jquery",
+    "underscore",
+    "backbone",
+    ""
+], function ($, _, Backbone) {
+    var RefreshView = Backbone.View.extend({
+        initialize: function(options) {
+            if (!"pingView" in options) {
+                throw "You must set the ping view"
+            }
+            this.pingView = options.pingView;
+            if (!"scheduler" in options) {
+                throw "You must set the scheduler model"
+            }
+            this.scheduler = options.scheduler;
+            if (!"tasksCollection" in options) {
+                throw "You must set the tasks collection model"
+            }
+            this.tasksCollection = options.tasksCollection;
+
+            this.refreshUrl = this.$el.data('refresh-url');
+        },
+        events: {
+            "click .btn-refresh": "refreshAction"
+        },
+        refreshAction: function(event) {
+            var $this = this;
+            $.ajax({
+                dataType: "json",
+                url: $this.refreshUrl,
+                data: {},
+                success: function(response) {
+                    $this.pingView.render();
+                    $this.scheduler.set({
+                        "actual": response.manager["actual"],
+                        "process-id": response.manager["process-id"],
+                        "configuration": response.manager["configuration"]
+                    });
+                    _.each(response.tasks, function(data, id) {
+                        var jobModel = $this.tasksCollection.get(id);
+                        if ("undefined" !== jobModel) {
+                            jobModel.set({
+                                "actual": data["actual"],
+                                "process-id": data["process-id"],
+                                "configuration": data["configuration"]
+                            });
+                        }
+                    });
+                }
+            });
+        },
+        loadState: function(state) {
+            if (state) {
+                $("#spinner", this.$el).addClass('icon-spinner icon-spin');
+            } else {
+                $("#spinner", this.$el).removeClass('icon-spinner icon-spin');
+            }
+        }
+    });
+
+    return RefreshView;
+});

www/scripts/common/websockets/connection.js

@@ -0,0 +1,36 @@
+define([
+    "underscore"
+], function (_) {
+    return function (options) {
+        if (!"url" in options) {
+            throw "You must set the websocket 'url'"
+        }
+        if (!"topic" in options) {
+            throw "You must set the websocket 'topic'"
+        }
+        if (!"eventAggregator" in options) {
+            throw "You must set an event aggregator"
+        }
+
+        var eventAggregator = options.eventAggregator;
+
+        return {
+            run: function() {
+                // autobahn js is defined as a global object there is no way to load
+                // it as a UMD module
+                ab.connect(options.url, function (session) {
+                    eventAggregator.trigger("ws:connect", session);
+                    session.subscribe(options.topic, function (topic, msg) {
+                            // double encoded string
+                            var msg = JSON.parse(JSON.parse(msg));
+                            eventAggregator.trigger("ws:"+msg.event, msg, session);
+                        }
+                    );
+                },
+                function (code, reason) {
+                    eventAggregator.trigger("ws:session-gone", code,reason);
+                });
+            }
+        }
+    }
+});