feat(search): sort for subscribers

Web/Models/Repositories/Clubs.php

@@ -62,9 +62,25 @@ class Clubs
         $order_str = 'id';
 
         switch($order['type']) {
+            default:
             case 'id':
                 $order_str = 'id ' . ($order['invert'] ? 'ASC' : 'DESC');
                 break;
+            case 'subs':
+                $sql_query = <<<EOF
+                SELECT `groups`.`id`, `subs`
+                FROM `groups`
+                LEFT JOIN 
+                (SELECT `target`, COUNT(`follower`) as `subs`
+                FROM `subscriptions`
+                WHERE `model` = "openvk\\\\Web\\\\Models\\\\Entities\\\\Club"
+                GROUP BY `target`) `subscriptions` ON `subscriptions`.`target` = `groups`.`id`
+                WHERE `groups`.`name` LIKE ? OR `groups`.`about` LIKE ?
+                ORDER BY `subs` DESC
+                LIMIT ? OFFSET ?;
+                EOF;
+
+                return new Util\RawEntityStream("Club", $sql_query, $query, $query);
         }
 
         $result = $result->where("name LIKE ? OR about LIKE ?", $query, $query);

Web/Models/Repositories/Util/EntityStream.php

@@ -27,7 +27,7 @@ class EntityStream implements \IteratorAggregate
         return new $this->entityClass($result);
     }
     
-    private function stream(\Traversable $iterator): \Traversable
+    protected function stream(\Traversable $iterator): \Traversable
     {
         foreach($iterator as $result)
             yield $this->getEntity($result);

Web/Models/Repositories/Util/RawEntityStream.php

@@ -0,0 +1,50 @@
+<?php declare(strict_types=1);
+namespace openvk\Web\Models\Repositories\Util;
+use Nette\Database\Row;
+
+class RawEntityStream extends EntityStream
+{
+    function __construct(string $repo, string $sql, ...$db_params)
+    {
+        $this->sqlQuery    = $sql;
+        $this->entityRepo  = new ($class[0] === "\\" ? $repo : "openvk\\Web\\Models\\Repositories\\$repo"."s");
+        $this->dbParams    = $db_params;
+    }
+
+    private function dbs(int $page = 0, ?int $perPage = NULL): \Traversable
+    {
+        if(!$this->dbQuery) {
+            $this->dbParams[] = $perPage;
+            $this->dbParams[] = (($page - 1) * $perPage);
+
+            $this->dbQuery = \Chandler\Database\DatabaseConnection::i()->getConnection()->query($this->sqlQuery, ...$this->dbParams);
+        }
+
+        return $this->dbQuery;
+    }
+
+    private function getEntity(Row $result)
+    {
+        $repo = new $this->entityRepo;
+        return $repo->get($result->id);
+    }
+
+    protected function stream(\Traversable $iterator): \Traversable
+    {
+        foreach($iterator as $result)
+            yield $this->getEntity($result);
+    }
+
+    function page(int $page, ?int $perPage = NULL): \Traversable
+    {
+        $fetchedRows = $this->dbs($page, $perPage);
+
+        return $this->stream($fetchedRows);
+    }
+
+    function size(): int
+    {
+        bdump($this->dbs()->getRowCount());
+        return $this->dbs()->getRowCount();
+    }
+}

Web/Presenters/templates/Search/Index.xml

@@ -330,6 +330,9 @@
                     {if OPENVK_ROOT_CONF["openvk"]["preferences"]["commerce"]}
                         <option value="rating" n:attr="selected => $order == 'rating'">{_s_order_by_rating}</option>
                     {/if}
+                {elseif $section == "groups"}
+                    <option value="id" n:attr="selected => $order == 'id'">{_s_order_by_creation_date}</option>
+                    <option value="subs" n:attr="selected => $order == 'subs'">{_s_order_by_subs}</option>
                 {elseif $section == "posts"}
                     <option value="id" n:attr="selected => $order == 'id'">{_s_order_by_publishing_date}</option>
                 {elseif $section == "audios"}
@@ -344,7 +347,7 @@
                 {/if}
             </select>
 
-            <label n:if="$order != 'rating'">
+            <label n:if="$order != 'rating' && $order != 'subs'">
                 <input type="checkbox" name="invert" value="1" form="search_form" n:attr="checked => $_REQUEST['invert'] == '1'">
                 {_s_order_invert}
             </label>

locales/en.strings

@@ -2136,6 +2136,7 @@
 "s_order_by_creation_date" = "By creation date";
 "s_order_by_publishing_date" = "By publication date";
 "s_order_by_upload_date" = "By upload date";
+"s_order_by_subs" = "By followers";
 
 "s_by_date" = "By date";
 "s_registered_before" = "Registered before";

locales/ru.strings

@@ -2031,6 +2031,7 @@
 "s_order_by_creation_date" = "По дате создания";
 "s_order_by_publishing_date" = "По дате публикации";
 "s_order_by_upload_date" = "По дате загрузки";
+"s_order_by_subs" = "По подписчикам";
 
 "s_by_date" = "По дате";
 "s_registered_before" = "Зарегистрирован до";