Add generic paginator

src/Doctrine/Dbal/DoctrineDbalPaginator.php → src/ResultPaginator.php

@@ -1,18 +1,19 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
-namespace Larium\Search\Doctrine\Dbal;
+namespace Larium\Search;
 
-use Larium\Search\Criteria\Paginating;
-use Larium\Search\Paginator;
-use Larium\Search\Result;
-use ArrayIterator;
 use Traversable;
-use function intval;
+use ArrayIterator;
+use Larium\Search\Result;
+use Larium\Search\Paginator;
+use Larium\Search\Criteria\Paginating;
+
 use function ceil;
+use function intval;
 
-class DoctrineDbalPaginator implements Paginator
+class ResultPaginator implements Paginator
 {
     private $result;
 
@@ -76,7 +77,7 @@ public function getNextPage(): ?int
     public function getPreviousPage(): ?int
     {
         return $this->paginating->currentPage > 1
-            ?  $this->paginating->currentPage - 1
+            ? $this->paginating->currentPage - 1
             : null;
     }
 }

tests/MongoDb/MongoDbSearchEngineTest.php

@@ -9,6 +9,7 @@
 use MongoDB\Collection;
 use Larium\Search\Criteria;
 use PHPUnit\Framework\TestCase;
+use Larium\Search\ResultPaginator;
 
 class MongoDbSearchEngineTest extends TestCase
 {
@@ -101,6 +102,28 @@ public function testSearchEngineWithMultipleQueries(): void
         self::assertEquals(3, $result->count());
     }
 
+    public function testPaginator(): void
+    {
+        $criteria = Criteria::fromQueryParams('fruits', ['name' => 'a', 'color' => 'yellow', 'page' => 1, 'limit' => 2]);
+
+        $c = $this->collection;
+        $b = new FilterBuilder();
+        $e = new MongoDbSearchEngine($b, $c);
+
+        $e->add(new FruitNameBuilder())
+            ->add(new FruitColorBuilder())
+        ;
+
+        $result = $e->match($criteria);
+
+        $paginator = new ResultPaginator($result, $criteria->paginating);
+
+        self::assertEquals(3, $paginator->count());
+        self::assertEquals(2, $paginator->getTotalPages());
+        self::assertTrue($paginator->hasMore());
+        self::assertEquals(2, $paginator->getNextPage());
+    }
+
     private function createClient(): Client
     {
         $client = new Client(