Úkol 2 - Aleš Kúdela

app/Resources/views/base.html.twig

@@ -15,7 +15,7 @@
     <link href="/bootstrap/css/bootstrap.min.css" rel="stylesheet">
     <!-- Custom CSS -->
     <link href="/bootstrap/css/shop-homepage.css" rel="stylesheet">
-
+    <link href="/bootstrap/css/paginator.css" rel="stylesheet" type="text/css"/>
     <!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
     <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
     <!--[if lt IE 9]>

app/Resources/views/category/detail.html.twig

@@ -4,5 +4,9 @@
     <div class="row">
         {% include 'components/list.html.twig' %}
     </div>
+
+    <div class="row">
+        {% include 'components/paginator.html.twig' with {'actualPageLink': 'category_detail'} %}
+    </div>
 {% endblock %}
 

app/Resources/views/components/paginator.html.twig

@@ -0,0 +1,58 @@
+{% if attribute(paginator,'getPageCount') > 1 %}
+    <nav>
+        {% if category is defined %}
+              <ul class="pagination">
+                    {% if not attribute(paginator,'isFirst') %}
+                        <li>
+                                <a href="{{ path(actualPageLink, {"page": attribute(paginator,'getPage')-1, "slug": category.slug} )}}">
+                                        <span aria-hidden="true">Zpět</span>
+                                </a>
+                        </li>
+                    {% endif %}
+                    {% for i in showPage %}                   
+                            {% if i == 'gap' %}
+                                    <span class="gap">...</span>
+                            {% else %}	
+                                <li class="{% if i == attribute(paginator,'getPage') %}active{% endif %}">
+                                        <a href="{{ path(actualPageLink, {"page": i, "slug": category.slug} )}}">{{ i }}</a>
+                                </li>
+                            {% endif %}
+                    {% endfor %}
+                    {% if not attribute(paginator,'isLast') %}
+                        <li>
+                                <a href="{{ path(actualPageLink, {"page": attribute(paginator,'getPage')+1, "slug": category.slug} )}}">
+                                        <span>Další</span>
+                                </a>
+                        </li>
+                    {% endif %}
+            </ul>   
+        {% else %}
+              <ul class="pagination">
+                    {% if not attribute(paginator,'isFirst') %}
+                        <li>
+                                <a href="{{ path(actualPageLink, {"page": attribute(paginator,'getPage')-1} )}}">
+                                        <span aria-hidden="true">Zpět</span>
+                                </a>
+                        </li>
+                    {% endif %}
+                    {% for i in showPage %}                   
+                            {% if i == 'gap' %}
+                                    <span class="gap">...</span>
+                            {% else %}	
+                                <li class="{% if i == attribute(paginator,'getPage') %}active{% endif %}">
+                                        <a href="{{ path(actualPageLink, {"page": i} )}}">{{ i }}</a>
+                                </li>
+                            {% endif %}
+                    {% endfor %}
+                    {% if not attribute(paginator,'isLast') %}
+                        <li>
+                                <a href="{{ path(actualPageLink, {"page": attribute(paginator,'getPage')+1} )}}">
+                                        <span>Další</span>
+                                </a>
+                        </li>
+                    {% endif %}
+            </ul>            
+        {% endif%}
+
+    </nav>
+{% endif %}

app/Resources/views/homepage/homepage.html.twig

@@ -4,5 +4,8 @@
     <div class="row">
         {% include 'components/list.html.twig' %}
     </div>
+    <div class="row">
+        {% include 'components/paginator.html.twig' with {'actualPageLink': 'homepage'} %}
+    </div>        
 {% endblock %}
 

src/AppBundle/Controller/CategoryController.php

@@ -8,7 +8,7 @@
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
-
+use AppBundle\Utils\PaginatorHelper;
 /**
  * @author Jan Klat <jenik@klatys.cz>
  */
@@ -23,16 +23,24 @@ class CategoryController extends Controller
 	 */
 	public function categoryDetail(Request $request)
 	{
+                $page = $request->query->get('page');
 		$category = $this->getDoctrine()->getRepository(Category::class)->findOneBy([
 			"slug" => $request->attributes->get("slug"),
 		]);
-
+        
 		if (!$category) {
 			throw new NotFoundHttpException("Kategorie neexistuje");
-		}
+		}               
 
+		$paginator = new PaginatorHelper;
+                $products = $this->getDoctrine()->getRepository(Product::class)->countByCategory($category);
+		$paginator->setItemCount($products);
+		$itemsPerPage = 2;
+		$paginator->setItemsPerPage($itemsPerPage);
+		$paginator->setPage($page);                
+dump($products);
 		return [
-			"products" => $this->getDoctrine()->getRepository(Product::class)->findByCategory($category),
+			"products" => $this->getDoctrine()->getRepository(Product::class)->findByCategoryAndLimit($category, $paginator->getLength(), $paginator->getOffset()),
 			"categories" => $this->getDoctrine()->getRepository(Category::class)->findBy(
 				[
 					"parentCategory" => $category,
@@ -42,7 +50,17 @@ public function categoryDetail(Request $request)
 				]
 			),
 			"category" => $category,
+			"paginator" => $paginator,
+			"showPage" => $paginator->getPageOffer()                    
 		];
-	}
+	}       
+
+/*	public function renderShow($id, $page, $more = null, $order = null) {
+
+
+		return [
+
+		];                	
+	}  */      
 
 }

src/AppBundle/Controller/HomepageController.php

@@ -5,7 +5,8 @@
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\Routing\Annotation\Route;
-
+use Symfony\Component\HttpFoundation\Request;
+use AppBundle\Utils\PaginatorHelper;
 /**
  * @author Jan Klat <jenik@klatys.cz>
  */
@@ -14,16 +15,27 @@ class HomepageController extends Controller
 	/**
 	 * @Route("/", name="homepage")
 	 * @Template("homepage/homepage.html.twig")
+	 * @param Request $request
 	 */
-	public function homepageAction()
+	public function homepageAction(Request $request)
 	{
+                $page = $request->query->get('page');
+
+		$paginator = new PaginatorHelper;
+                $products = $this->getDoctrine()->getRepository(Product::class)->countAll();
+		$paginator->setItemCount($products);
+		$itemsPerPage = 2;
+		$paginator->setItemsPerPage($itemsPerPage);
+		$paginator->setPage($page);   
+
 		return [
 			"products" => $this->getDoctrine()->getRepository(Product::class)->findBy(
 				[],
 				[
 					"rank" => "desc"
 				],
-				21
+				$paginator->getLength(),
+                                $paginator->getOffset()
 			),
 			"categories" => $this->getDoctrine()->getRepository(Category::class)->findBy(
 				[
@@ -33,7 +45,9 @@ public function homepageAction()
 					"rank" => "desc",
 				]
 			),
-		];
+			"paginator" => $paginator,
+			"showPage" => $paginator->getPageOffer()                    
+		];            
 	}
 
 }

src/AppBundle/Repository/ProductRepository.php

@@ -5,6 +5,7 @@
 use AppBundle\Entity\Category;
 use AppBundle\Entity\Product;
 use Doctrine\ORM\EntityRepository;
+use Doctrine\ORM\Tools\Pagination\Paginator;
 
 class ProductRepository extends EntityRepository
 {
@@ -26,5 +27,44 @@ public function findByCategory(Category $category)
 			->setParameter("rgt", $category->getRight())
 			->getResult();
 	}
+
+        /**
+	 * @param Category $category
+	 * @return Product[]
+	 */
+	public function findByCategoryAndLimit(Category $category, $length, $offset)
+	{
+		return $query =  $this->_em->createQuery('SELECT p
+			FROM AppBundle\Entity\Product p
+			JOIN AppBundle\Entity\ProductCategory pc WITH p = pc.product
+			JOIN AppBundle\Entity\Category c WITH pc.category = c
+			WHERE c.left >= :lft and c.right <= :rgt
+			GROUP BY p
+		')
+			->setParameter("lft", $category->getLeft())
+			->setParameter("rgt", $category->getRight())
+                        ->setFirstResult($offset)
+                        ->setMaxResults($length)
+			->getResult();
+                return $paginator = new Paginator($query, $fetchJoinCollection = true);
+	}
+
+        public function countAll() {
+            $query = $this->_em->createQuery('SELECT COUNT(p.id) FROM AppBundle\Entity\Product p');
+            return $count = $query->getSingleScalarResult();
+        }
+
+        public function countByCategory(Category $category) {
+            $query = $this->_em->createQuery('SELECT COUNT(p.id)
+			FROM AppBundle\Entity\Product p
+			LEFT JOIN AppBundle\Entity\ProductCategory pc WITH p = pc.product
+			LEFT JOIN AppBundle\Entity\Category c WITH pc.category = c
+			WHERE c.left >= :lft and c.right <= :rgt
 
+		')
+			->setParameter("lft", $category->getLeft())
+			->setParameter("rgt", $category->getRight());  
+            dump($query->getScalarResult());
+            return $count = $query->getSingleScalarResult();
+        }
 }