chore: moves common code to Base namespace

src/Base/Util/Paginator.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Base\Util;
+
+use Doctrine\ORM\Query;
+use Doctrine\ORM\QueryBuilder;
+use Doctrine\ORM\Tools\Pagination\Paginator as OrmPaginator;
+
+class Paginator
+{
+    /**
+     * @var integer
+     */
+    private $total;
+
+    /**
+     * @var integer
+     */
+    private $lastPage;
+
+    private $items;
+
+    public $currentPage = 1;
+
+    public $limit = 5;
+
+    /**
+     * @param QueryBuilder|Query $query
+     * @param int $page
+     * @param int $limit
+     * @return Paginator
+     */
+    public function paginate($query, int $page = 1, int $limit = 5): Paginator
+    {
+        $paginator = new OrmPaginator($query);
+
+        $paginator
+            ->getQuery()
+            ->setFirstResult($limit * ($page - 1))
+            ->setMaxResults($limit);
+
+        $this->total = $paginator->count();
+        $this->lastPage = (int) ceil($paginator->count() / $paginator->getQuery()->getMaxResults());
+        $this->items = $paginator;
+        $this->currentPage = $page;
+        $this->limit = $limit;
+
+        return $this;
+    }
+
+    public function getTotal(): int
+    {
+        return $this->total;
+    }
+
+    public function getLastPage(): int
+    {
+        return $this->lastPage;
+    }
+
+    public function getItems()
+    {
+        return $this->items;
+    }
+
+    public function getShowing()
+    {
+        $showingStart = ($this->currentPage - 1) * $this->limit;
+        $showingEnd = $showingStart + $this->limit;
+        return sprintf("Showing %d - %d of %d results.", $showingStart, $showingEnd, $this->total);
+    }
+}