Add interface for pagination

src/Bundle/ChillMainBundle/Pagination/PaginatorFactory.php

@@ -17,7 +17,7 @@ use Symfony\Component\Routing\RouterInterface;
 /**
  * Create paginator instances.
  */
-class PaginatorFactory
+final readonly class PaginatorFactory implements PaginatorFactoryInterface
 {
     final public const DEFAULT_CURRENT_PAGE_KEY = 'page';
 
@@ -25,23 +25,20 @@ class PaginatorFactory
 
     final public const DEFAULT_PAGE_NUMBER = 1;
 
-    /**
-     * @param int $itemPerPage
-     */
     public function __construct(
         /**
          * the request stack.
          */
-        private readonly RequestStack $requestStack,
+        private RequestStack $requestStack,
         /**
          * the router and generator for url.
          */
-        private readonly RouterInterface $router,
+        private RouterInterface $router,
         /**
          * the default item per page. This may be overriden by
          * the request or inside the paginator.
          */
-        private $itemPerPage = 20
+        private int $itemPerPage = 20
     ) {
     }
 
@@ -51,17 +48,14 @@ class PaginatorFactory
      * The default route and route parameters are the current ones. If set,
      * thos route are overriden.
      *
-     * @param int         $totalItems
      * @param string|null $route           the specific route to use in pages
      * @param array|null  $routeParameters the specific route parameters to use in pages
-     *
-     * @return PaginatorInterface
      */
     public function create(
-        $totalItems,
+        int $totalItems,
         ?string $route = null,
         ?array $routeParameters = null
-    ) {
+    ): PaginatorInterface {
         return new Paginator(
             $totalItems,
             $this->getCurrentItemsPerPage(),
@@ -74,7 +68,7 @@ class PaginatorFactory
         );
     }
 
-    public function getCurrentItemsPerPage()
+    public function getCurrentItemsPerPage(): int
     {
         return $this->requestStack
             ->getCurrentRequest()
@@ -82,16 +76,13 @@ class PaginatorFactory
             ->getInt(self::DEFAULT_ITEM_PER_NUMBER_KEY, $this->itemPerPage);
     }
 
-    public function getCurrentPageFirstItemNumber()
+    public function getCurrentPageFirstItemNumber(): int
     {
         return ($this->getCurrentPageNumber() - 1) *
             $this->getCurrentItemsPerPage();
     }
 
-    /**
-     * @return int
-     */
-    public function getCurrentPageNumber()
+    public function getCurrentPageNumber(): int
     {
         return $this->requestStack
             ->getCurrentRequest()
@@ -99,14 +90,14 @@ class PaginatorFactory
             ->getInt(self::DEFAULT_CURRENT_PAGE_KEY, self::DEFAULT_PAGE_NUMBER);
     }
 
-    protected function getCurrentRoute()
+    private function getCurrentRoute()
     {
         $request = $this->requestStack->getCurrentRequest();
 
         return $request->get('_route');
     }
 
-    protected function getCurrentRouteParameters()
+    private function getCurrentRouteParameters()
     {
         return array_merge(
             $this->router->getContext()->getParameters(),

src/Bundle/ChillMainBundle/Pagination/PaginatorFactoryInterface.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Pagination;
+
+/**
+ * Create paginator instances.
+ */
+interface PaginatorFactoryInterface
+{
+    /**
+     * create a paginator instance.
+     *
+     * The default route and route parameters are the current ones. If set,
+     * thos route are overriden.
+     *
+     * @param string|null $route           the specific route to use in pages
+     * @param array|null  $routeParameters the specific route parameters to use in pages
+     */
+    public function create(int $totalItems, string $route = null, array $routeParameters = null): PaginatorInterface;
+
+    public function getCurrentItemsPerPage(): int;
+
+    public function getCurrentPageFirstItemNumber(): int;
+
+    public function getCurrentPageNumber(): int;
+}

src/Bundle/ChillMainBundle/Test/DummyPaginator.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Test;
+
+use Chill\MainBundle\Pagination\Paginator;
+use Chill\MainBundle\Pagination\PaginatorFactory;
+use Chill\MainBundle\Pagination\PaginatorFactoryInterface;
+use Chill\MainBundle\Pagination\PaginatorInterface;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+
+class DummyPaginator implements PaginatorFactoryInterface
+{
+    public function __construct(
+        private UrlGeneratorInterface $urlGenerator,
+        private string $route,
+        private array $routeParameters = []
+    ) {}
+
+    public function create(int $totalItems, string $route = null, array $routeParameters = null): PaginatorInterface
+    {
+        return new Paginator(
+            $totalItems,
+            $totalItems,
+            1,
+            $this->route,
+            $this->routeParameters,
+            $this->urlGenerator,
+            PaginatorFactory::DEFAULT_CURRENT_PAGE_KEY,
+            PaginatorFactory::DEFAULT_ITEM_PER_NUMBER_KEY
+        );
+    }
+
+    public function getCurrentItemsPerPage(): int
+    {
+        return 20;
+    }
+
+    public function getCurrentPageFirstItemNumber(): int
+    {
+        return 1;
+    }
+
+    public function getCurrentPageNumber(): int
+    {
+        return 1;
+    }
+}

src/Bundle/ChillMainBundle/config/services/pagination.yaml

@@ -12,6 +12,7 @@ services:
             - "%chill_main.pagination.item_per_page%"
 
     Chill\MainBundle\Pagination\PaginatorFactory: '@chill_main.paginator_factory'
+    Chill\MainBundle\Pagination\PaginatorFactoryInterface: '@chill_main.paginator_factory'
 
     chill_main.paginator.twig_extensions:
         class: Chill\MainBundle\Pagination\ChillPaginationTwig