About: Add a page with information about an instance

Namely, brief statistics, a list of administrators (the administrator can be hidden from the list using a new right), a list of the 10 most popular groups and rules

Web/Models/Repositories/Clubs.php

@@ -37,6 +37,24 @@ class Clubs
         
         return new Util\EntityStream("Club", $result);
     }
+
+    function getCount(): int
+    {
+        return sizeof(clone $this->clubs);
+    }
+
+    function getPopularClubs(): \Traversable
+    {
+        $query   = "SELECT ROW_NUMBER() OVER (ORDER BY `subscriptions` DESC) as `place`, `target` as `id`, COUNT(`follower`) as `subscriptions` FROM `subscriptions` WHERE `model` = \"openvk\\\Web\\\Models\\\Entities\\\Club\" GROUP BY `target` ORDER BY `subscriptions` DESC, `id` LIMIT 10;";
+        $entries = DatabaseConnection::i()->getConnection()->query($query);
+
+        foreach($entries as $entry)
+            yield (object) [
+                "place"         => $entry["place"],
+                "club"          => $this->get($entry["id"]),
+                "subscriptions" => $entry["subscriptions"],
+            ];
+    }
     
     use \Nette\SmartObject;
 }

Web/Models/Repositories/Posts.php

@@ -105,4 +105,9 @@ class Posts
     {
         return sizeof($this->posts->where(["wall" => $user, "deleted" => 0]));
     }
+
+    function getCount(): int
+    {
+        return sizeof(clone $this->posts);
+    }
 }

Web/Models/Repositories/Users.php

@@ -69,6 +69,24 @@ class Users
 
         return $this->getByShortUrl($address);
     }
+
+    /**
+     * If you need to check if the user is an instance administrator, use `$user->getChandlerUser()->can("access")->model("admin")->whichBelongsTo(NULL)`.
+     * This method is more suitable for instance administrators lists
+     */
+    function getInstanceAdmins(bool $excludeHidden = true): \Traversable
+    {
+        $query = "SELECT DISTINCT(`profiles`.`id`) FROM `ChandlerACLRelations` JOIN `profiles` ON `ChandlerACLRelations`.`user` = `profiles`.`user` COLLATE utf8mb4_unicode_520_ci WHERE `ChandlerACLRelations`.`group` IN (SELECT `group` FROM `ChandlerACLGroupsPermissions` WHERE `model` = \"admin\" AND `permission` = \"access\")";
+
+        if($excludeHidden)
+        $query .= " AND `ChandlerACLRelations`.`user` NOT IN (SELECT `user` FROM `ChandlerACLRelations` WHERE `group` IN (SELECT `group` FROM `ChandlerACLGroupsPermissions` WHERE `model` = \"hidden_admin\" AND `permission` = \"be\"))";
+
+        $query .= " ORDER BY `profiles`.`id`;";
+
+        $result = DatabaseConnection::i()->getConnection()->query($query);
+        foreach($result as $entry)
+            yield $this->get($entry->id);
+    }
     
     use \Nette\SmartObject;
 }

Web/Presenters/AboutPresenter.php

@@ -1,7 +1,7 @@
 <?php declare(strict_types=1);
 namespace openvk\Web\Presenters;
 use openvk\Web\Themes\Themepacks;
-use openvk\Web\Models\Repositories\{Users, Managers};
+use openvk\Web\Models\Repositories\{Users, Managers, Clubs, Posts};
 use openvk\Web\Util\Localizator;
 use Chandler\Session\Session;
 
@@ -57,6 +57,15 @@ final class AboutPresenter extends OpenVKPresenter
         $this->template->themes = Themepacks::i()->getAllThemes();
         $this->template->languages = getLanguages();
     }
+
+    function renderAboutInstance(): void
+    {
+        $this->template->usersStats   = (new Users)->getStatistics();
+        $this->template->clubsCount   = (new Clubs)->getCount();
+        $this->template->postsCount   = (new Posts)->getCount();
+        $this->template->popularClubs = (new Clubs)->getPopularClubs();
+        $this->template->admins       = iterator_to_array((new Users)->getInstanceAdmins());
+    }
     
     function renderLanguage(): void
     {

Web/Presenters/templates/@layout.xml

@@ -267,6 +267,7 @@
             {var dbVersion = \Chandler\Database\DatabaseConnection::i()->getConnection()->getPdo()->getAttribute(\PDO::ATTR_SERVER_VERSION)}
             
             <div class="navigation_footer">
+                <a href="/about" class="link">{_footer_about_instance}</a>
                 <a href="/blog" class="link">{_footer_blog}</a>
                 <a href="/support" class="link">{_footer_help}</a>
                 <a href="/dev" target="_blank" class="link">{_footer_developers}</a>

Web/Presenters/templates/About/AboutInstance.xml

@@ -0,0 +1,59 @@
+{extends "../@layout.xml"}
+{block title}{_about_this_instance}{/block}
+
+{block header}
+    {_about_this_instance}
+{/block}
+
+{block content}
+    <table width="100%" cellspacing="0" cellpadding="0">
+        <tbody>
+            <tr valign="top">
+                <td width="250" {if sizeof($admins) > 0}style="padding-right: 10px;"{/if}>
+                    <h4>{_statistics}</h4>
+                    <div style="margin-top: 5px;">
+                        {_on_this_instance_are}
+                        <ul>
+                            <li><span>{tr("about_users", $usersStats->all)|noescape}</span></li>
+                            <li><span>{tr("about_online_users", $usersStats->online)|noescape}</span></li>
+                            <li><span>{tr("about_active_users", $usersStats->active)|noescape}</span></li>
+                            <li><span>{tr("about_groups", $clubsCount)|noescape}</span></li>
+                            <li><span>{tr("about_wall_posts", $postsCount)|noescape}</span></li>
+                        </ul>
+                    </div>
+                </td>
+                <td n:if="sizeof($admins) > 0">
+                    <h4>{_administrators}</h4>
+                    <div style="margin-left: 5px; margin-top: 5px;">
+                        <div n:foreach="$admins as $admin" class="avatar-list-item">
+                            <div class="avatar">
+                                <a href="{$admin->getURL()}">
+                                    <img class="ava" src="{$admin->getAvatarUrl()}" />
+                                </a>
+                            </div>
+                            {* Это наверное костыль, ну да ладно *}
+                            <div n:class="info, mb_strlen($admin->getCanonicalName()) < 22 ? info-centered">
+                                <a href="{$admin->getURL()}" class="title">{$admin->getCanonicalName()}</a>
+                            </div>
+                        </div>
+                    </div>
+                </td>
+            </tr>
+        </tbody>
+    </table>
+
+    <h4>{_most_popular_groups}</h4>
+    <ol>
+        <li n:foreach="$popularClubs as $entry" style="margin-top: 5px;">
+            <a href="{$entry->club->getURL()}">{$entry->club->getName()}</a>
+            <div>
+                {tr("participants", $entry->subscriptions)}
+            </div>
+        </li>
+    </ol>
+
+    <h4>{_rules}</h4>
+    <div style="margin-top: 16px;">
+        {presenter "openvk!Support->knowledgeBaseArticle", "rules"}
+    </div>
+{/block}

Web/routes.yml

@@ -39,6 +39,8 @@ routes:
       handler: "About->version"
       placeholders:
           productName: "openvk[2]?|libresoc"
+    - url: "/about"
+      handler: "About->aboutInstance"
     - url: "/privacy"
       handler: "About->Privacy"
     - url: "/badbrowser.php"

locales/en.strings

@@ -338,6 +338,7 @@
 
 "left_menu_donate" = "Donate";
 
+"footer_about_instance" = "about instance";
 "footer_blog" = "blog";
 "footer_help" = "help";
 "footer_developers" = "developers";
@@ -761,6 +762,26 @@
 
 "about_openvk" = "About OpenVK";
 
+"about_this_instance" = "About this instance";
+"rules" = "Rules";
+"most_popular_groups" = "Most popular groups";
+"on_this_instance_are" = "On this instance are:";
+
+"about_users_one" = "<b>1</b> user";
+"about_users_other" = "<b>$1</b> users";
+
+"about_online_users_one" = "<b>1</b> online user";
+"about_online_users_other" = "<b>$1</b> online users";
+
+"about_active_users_one" = "<b>1</b> active user";
+"about_active_users_other" = "<b>$1</b> active users";
+
+"about_groups_one" = "<b>1</b> group";
+"about_groups_other" = "<b>$1</b> groups";
+
+"about_wall_posts_one" = "<b>1</b> wall post";
+"about_wall_posts_other" = "<b>$1</b> wall posts";
+
 /* Dialogs */
 
 "ok" = "OK";

locales/ru.strings

@@ -356,6 +356,7 @@
 
 "left_menu_donate" = "Поддержать";
 
+"footer_about_instance" = "об инстанции";
 "footer_blog" = "блог";
 "footer_help" = "помощь";
 "footer_developers" = "разработчикам";
@@ -796,6 +797,36 @@
 
 "about_openvk" = "Об OpenVK";
 
+"about_this_instance" = "Об этой инстанции";
+"rules" = "Правила";
+"most_popular_groups" = "Самые популярные группы";
+"on_this_instance_are" = "На этой инстанции:";
+
+"about_users_one" = "<b>1</b> пользователь";
+"about_users_few" = "<b>$1</b> пользователя";
+"about_users_many" = "<b>$1</b> пользователей";
+"about_users_other" = "<b>$1</b> пользователей";
+
+"about_online_users_one" = "<b>1</b> пользователь в сети";
+"about_online_users_few" = "<b>$1</b> пользователя в сети";
+"about_online_users_many" = "<b>$1</b> пользователей в сети";
+"about_online_users_other" = "<b>$1</b> пользователей в сети";
+
+"about_active_users_one" = "<b>1</b> активный пользователь";
+"about_active_users_few" = "<b>$1</b> активных пользователя";
+"about_active_users_many" = "<b>$1</b> активных пользователей";
+"about_active_users_other" = "<b>$1</b> активных пользователей";
+
+"about_groups_one" = "<b>1</b> группа";
+"about_groups_few" = "<b>$1</b> группы";
+"about_groups_many" = "<b>$1</b> групп";
+"about_groups_other" = "<b>$1</b> групп";
+
+"about_wall_posts_one" = "<b>1</b> запись на стенах";
+"about_wall_posts_few" = "<b>$1</b> записи на стенах";
+"about_wall_posts_many" = "<b>$1</b> записей на стенах";
+"about_wall_posts_other" = "<b>$1</b> записей на стенах";
+
 /* Dialogs */
 
 "ok" = "ОК";