MongoDBAdapter

Adapter/DoctrineMongoDBAdapter.php

@@ -0,0 +1,64 @@
+<?php
+/*
+ * This file is part of the PagerBundle package.
+ *
+ * (c) Marcin Butlak <contact@maker-labs.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace MakerLabs\PagerBundle\Adapter;
+
+use MakerLabs\PagerBundle\Adapter\PagerAdapterInterface;
+use Doctrine\ODM\MongoDB\Query\Builder;
+
+/**
+ * Pager Doctrine MongoDB adapter
+ * 
+ * @author Phil A. <github@smurfy.de>
+ */
+class DoctrineMongoDBAdapter implements PagerAdapterInterface
+{
+    protected $query;
+    protected $totalResults = null;
+
+    public function __construct(Builder $query)
+    {
+        $this->query = $query;
+    }
+
+    /**
+     * Returns the count query instance
+     * 
+     * @return QueryBuilder
+     */
+    public function getCountQuery()
+    {
+        $countQuery = clone $this->query->getQuery();
+        return $countQuery;
+    }
+
+    /**
+     * Returns the total number of results
+     * 
+     * @return integer
+     */
+    public function getTotalResults()
+    {
+        if (null === $this->totalResults) {
+            $this->totalResults = $this->getCountQuery()->count();
+        }
+        return $this->totalResults;
+    }
+
+    /**
+     * Returns the list of results 
+     * 
+     * @return array 
+     */
+    public function getResults($offset, $limit)
+    {
+        return $this->query->limit($limit)->skip($offset)->getQuery()->execute();
+    }
+}