Top users page. SQL queries optimization.

app/Resources/views/base.html.twig

@@ -25,7 +25,7 @@
                     {% block header_navbar_menus %}
                         <ul class="nav navbar-nav">
                             <li><a href="{{ path('index') }}"><span class="glyphicon glyphicon-home"></span> {{ 'Main'|trans }}</a></li>
-                            <li><a href="{{ path('users_top') }}"><span class="glyphicon glyphicon-stats"></span> TOP</a></li>
+                            <li><a href="{{ path('users_top') }}"><span class="glyphicon glyphicon-stats"></span> {{ 'Top'|trans }}</a></li>
                         </ul>
                     {% endblock %}
                 </div>

src/Skobkin/Bundle/PointToolsBundle/Controller/UserController.php

@@ -2,9 +2,10 @@
 
 namespace Skobkin\Bundle\PointToolsBundle\Controller;
 
-use Doctrine\DBAL\Query\QueryBuilder;
+use Doctrine\ORM\QueryBuilder;
 use Doctrine\ORM\EntityManager;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
+use Skobkin\Bundle\PointToolsBundle\Entity\TopUserDTO;
 use Skobkin\Bundle\PointToolsBundle\Entity\User;
 use Skobkin\Bundle\PointToolsBundle\Service\UserApi;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
@@ -12,7 +13,7 @@ use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 class UserController extends Controller
 {
     /**
-     * @param
+     * @param User $user
      * @ParamConverter("user", class="SkobkinPointToolsBundle:User", options={"login" = "login"})
      */
     public function showAction(User $user)
@@ -20,19 +21,30 @@ class UserController extends Controller
         $userApi = $this->container->get('skobkin_point_tools.api_user');
 
         /** @var QueryBuilder $qb */
+        $qb = $this->getDoctrine()->getManager()->getRepository('SkobkinPointToolsBundle:User')->createQueryBuilder('u');
+
+        $subscribers = $qb
+            ->select('u')
+            ->innerJoin('u.subscriptions', 's')
+            ->where('s.author = :author')
+            ->setParameter('author', $user->getId())
+            ->getQuery()->getResult()
+        ;
+
         $qb = $this->getDoctrine()->getManager()->getRepository('SkobkinPointToolsBundle:SubscriptionEvent')->createQueryBuilder('se');
 
         $subscriptionsEvents = $qb
             ->select()
             ->where('se.author = :author')
             ->orderBy('se.date', 'desc')
-            ->setMaxResults(30)
+            ->setMaxResults(10)
             ->setParameter('author', $user)
             ->getQuery()->getResult()
         ;
 
         return $this->render('SkobkinPointToolsBundle:User:show.html.twig', [
             'user' => $user,
+            'subscribers' => $subscribers,
             'log' => $subscriptionsEvents,
             'avatar_url' => $userApi->getAvatarUrl($user, UserApi::AVATAR_SIZE_LARGE),
         ]);
@@ -44,8 +56,20 @@ class UserController extends Controller
         $em = $this->getDoctrine()->getManager();
 
         /** @var QueryBuilder $qb */
-        $qb = $em->getRepository('SkobkinPointToolsBundle:Subscription')->createQueryBuilder('us');
+        $qb = $em->getRepository('SkobkinPointToolsBundle:Subscription')->createQueryBuilder('s');
 
+        /** @var TopUserDTO[] $topUsers */
+        $topUsers = $qb
+            ->select(['COUNT(s.subscriber) as cnt', 'NEW SkobkinPointToolsBundle:TopUserDTO(a.login, COUNT(s.subscriber))'])
+            ->innerJoin('s.author', 'a')
+            ->orderBy('cnt', 'desc')
+            ->groupBy('a.id')
+            ->setMaxResults(30)
+            ->getQuery()->getResult()
+        ;
 
+        return $this->render('@SkobkinPointTools/User/top.html.twig', [
+            'top_users' => $topUsers
+        ]);
     }
 }

src/Skobkin/Bundle/PointToolsBundle/Entity/TopUserDTO.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Skobkin\Bundle\PointToolsBundle\Entity;
+
+/**
+ * Data Transfer Object for top users list
+ */
+class TopUserDTO
+{
+    /**
+     * @var string
+     */
+    public $login;
+
+    /**
+     * @var int
+     */
+    public $subscribersCount;
+
+    public function __construct($login, $subscribersCount)
+    {
+        $this->login = $login;
+        $this->subscribersCount = $subscribersCount;
+    }
+}

src/Skobkin/Bundle/PointToolsBundle/Resources/views/User/show.html.twig

@@ -21,8 +21,8 @@
                 <div id="collapse-subscribers" class="panel-collapse collapse in">
                     <div class="panel-body">
                         <ul class="users mosaic">
-                            {% for sub in user.subscribers %}
-                                <li><a href="{{ url('user_show', {login: sub.subscriber.login}) }}">@{{ sub.subscriber.login }}</a></li>
+                            {% for user in subscribers %}
+                                <li><a href="{{ url('user_show', {login: user.login}) }}">@{{ user.login }}</a></li>
                             {% endfor %}
                         </ul>
                     </div>

src/Skobkin/Bundle/PointToolsBundle/Resources/views/User/top.html.twig

@@ -0,0 +1,24 @@
+{% extends "::base.html.twig" %}
+
+{% block header_title %}Top @ Point Tools{% endblock %}
+
+{% block content %}
+    <h1>{{ 'Top users'|trans }}</h1>
+
+    <table class="table table-striped">
+        <thead>
+            <tr>
+                <td>{{ 'User'|trans }}</td>
+                <td>{{ 'Subscribers count'|trans }}</td>
+            </tr>
+        </thead>
+        <tbody>
+            {% for user in top_users %}
+                <tr>
+                    <td><a href="{{ url('user_show', {login: user.login}) }}">@{{ user.login }}</a></td>
+                    <td>{{ user.subscribersCount }}</td>
+                </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+{% endblock %}