Úkol 2 - Lubomír Jiřišta

.gitignore

@@ -15,3 +15,6 @@
 /vendor/
 /web/bundles/
 composer.lock
+workspace.xml
+composer.phar
+.idea

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

@@ -0,0 +1,11 @@
+<ol class="breadcrumb" style="margin-bottom: 0;">
+    {% for key, value in breadcrumbs %}
+        {% if key starts with '#' %}
+            <li><a href="#" {% if loop.last %}class="active"{% endif %}>{{ value.title }}</a></li>
+        {% elseif value.slug is defined %}
+                <li><a href="{{ path(key, {slug: value.slug}) }}" {% if loop.last %}class="active"{% endif %}>{{ value.title }}</a></li>
+        {% else %}
+                <li><a href="{{ path(key) }}" {% if loop.last %}class="active"{% endif %}>{{ value.title }}</a></li>
+        {% endif %}
+    {% endfor %}
+</ol>

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

@@ -0,0 +1,20 @@
+{% if maxPages > 1 %}
+    <ul class="pagination pagination-sm pull-right">
+        {# `«` arrow  #}
+        <li {{ page == 1 ? 'class="disabled"' }}>
+            <a href="{{ path('homepage', {page: page-1 < 1 ? 1 : page-1}) }}">«</a>
+        </li>
+
+        {# Render each page number #}
+        {% for i in 1..maxPages %}
+            <li {{ page == i ? 'class="active"' }}>
+                <a href="{{ path('homepage', {page: i}) }}">{{ i }}</a>
+            </li>
+        {% endfor %}
+
+        {# `»` arrow #}
+        <li {{ page == maxPages ? 'class="disabled"' }}>
+            <a href="{{ path('homepage', {page: page+1 <= maxPages ? page+1 : page}) }}">»</a>
+        </li>
+    </ul>
+{% endif %}

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

@@ -2,7 +2,16 @@
 
 {% block body %}
     <div class="row">
+        <div class="col-md-12">
+            {% include 'components/breadcrumbs.html.twig' %}
+        </div>
+        <div class="col-md-12">
+            {% include 'components/pagination.html.twig' with { 'page': page, 'maxPages': maxPages } %}
+        </div>
         {% include 'components/list.html.twig' %}
+        <div class="col-md-12">
+            {% include 'components/pagination.html.twig' with { 'page': page, 'maxPages': maxPages } %}
+        </div>
     </div>
 {% endblock %}
 

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

@@ -1,12 +1,9 @@
 {% extends 'base.html.twig' %}
 
 {% block body %}
-    <ol class="breadcrumb">
-        {% if product.category %}
-        <li><a href="#">{{ product.category.title }}</a></li>
-        {% endif %}
-        <li class="active">{{ product.title }}</li>
-    </ol>
+    <div class="col-md-12">
+        {% include 'components/breadcrumbs.html.twig' %}
+    </div>
     <h1> {{ product.title }}</h1>
     <img src="{{ product.image }}" />
 {% endblock %}

app/config/services.yml

@@ -7,3 +7,13 @@ services:
 #    service_name:
 #        class: AppBundle\Directory\ClassName
 #        arguments: ["@another_service_name", "plain_value", "%parameter_name%"]
+  product_repository:
+      class: AppBundle\Repository\ProductRepository
+      factory: ["@doctrine.orm.entity_manager", getRepository]
+      arguments:
+          - AppBundle\Entity\ProductRepository
+  category_repository:
+      class: AppBundle\Repository\CategoryRepository
+      factory: ["@doctrine.orm.entity_manager", getRepository]
+      arguments:
+          - AppBundle\Entity\CategoryRepository

src/AppBundle/Controller/HomepageController.php

@@ -2,9 +2,11 @@
 namespace AppBundle\Controller;
 use AppBundle\Entity\Category;
 use AppBundle\Entity\Product;
+use AppBundle\Repository\ProductRepository;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Routing\Annotation\Route;
+use Doctrine\ORM\Tools\Pagination\Paginator;
 
 /**
  * @author Jan Klat <[email protected]>
@@ -19,34 +21,60 @@ class HomepageController extends Controller
 	 */
 	public function homepageAction(Request $request)
 	{
+		$page = 1;
+		if ($request->query->has('page')) {
+			$page = $request->query->get('page');
+		}
+
+		$productRepository = $this->container->get('doctrine.orm.entity_manager')->getRepository
+		('AppBundle\Entity\Product');
+
+		$limit = 9;
+		$paginatedProducts = $this->paginate($productRepository->getAllProducts(), $page, $limit);
+		$maxPages = ceil($paginatedProducts->count() / $limit);
+
+		$categoryRepository = $this->container->get('doctrine.orm.entity_manager')->getRepository
+		('AppBundle\Entity\Category');
+
+		$breadcrumbs = [
+			"homepage" => ["title" => "Úvodní stránka"]
+		];
+
 		return $this->render("homepage/homepage.html.twig", [
-			"products" => $this->getDoctrine()->getRepository(Product::class)->findBy(
-				[],
-				[
-					"rank" => "desc"
-				],
-				20
-			),
-			"categories" => $this->getDoctrine()->getRepository(Category::class)->findBy(
-				[],
-				[
-					"rank" => "desc",
-				]
-			),
+			"page" => $page,
+			"maxPages" => $maxPages,
+			"products" => $paginatedProducts,
+			"categories" => $categoryRepository->getAllCategories(),
+			"breadcrumbs" => $breadcrumbs
 		]);
 	}
 
-
 	/**
-	 * @Route("/hello", name="hello")
-	 * @param Request $request
-	 * @return \Symfony\Component\HttpFoundation\Response
+	 * Paginator Helper
+	 * Source: https://anil.io/blog/symfony/doctrine/symfony-and-doctrine-pagination-with-twig/
+	 *
+	 * Pass through a query object, current page & limit
+	 * the offset is calculated from the page and limit
+	 * returns an `Paginator` instance, which you can call the following on:
+	 *
+	 *     $paginator->getIterator()->count() # Total fetched (ie: `5` posts)
+	 *     $paginator->count() # Count of ALL posts (ie: `20` posts)
+	 *     $paginator->getIterator() # ArrayIterator
+	 *
+	 * @param Doctrine\ORM\Query $dql   DQL Query Object
+	 * @param integer            $page  Current page (defaults to 1)
+	 * @param integer            $limit The total number per page (defaults to 5)
+	 *
+	 * @return \Doctrine\ORM\Tools\Pagination\Paginator
 	 */
-	public function helloAction(Request $request)
+	private function paginate($dql, $page = 1, $limit = 9)
 	{
-		return $this->render("homepage/hello.html.twig", [
-			"who" => "world",
-		]);
-	}
+		$paginator = new Paginator($dql);
+
+		$paginator->getQuery()
+			->setFirstResult($limit * ($page - 1)) // Offset
+			->setMaxResults($limit); // Limit
 
+		return $paginator;
+	}
 }

src/AppBundle/Controller/ProductController.php

@@ -28,7 +28,14 @@ public function productDetailAction(Request $request)
 			throw new NotFoundHttpException("Produkt neexistuje");
 		}
 
+		$breadcrumbs = [
+			"homepage" => ["title" => "Úvodní stránka"],
+			"#notyet" => ["title" => $product->getCategory()->getTitle()],
+			"product_detail" => ["title" => $product->getTitle(), "slug" => $request->attributes->get("slug")]
+		];
+
 		return $this->render("product/detail.html.twig", [
+			"breadcrumbs" => $breadcrumbs,
 			"product" => $product,
 			"categories" => $this->getDoctrine()->getRepository(Category::class)->findBy(
 				[],

src/AppBundle/Repository/CategoryRepository.php

@@ -12,4 +12,13 @@
  */
 class CategoryRepository extends EntityRepository
 {
+	public function getAllCategories()
+	{
+		return $this->findBy(
+			[],
+			[
+				"rank" => "desc",
+			]
+		);
+	}
 }

src/AppBundle/Repository/ProductRepository.php

@@ -11,4 +11,12 @@
 class ProductRepository extends EntityRepository
 {
 
+	public function getAllProducts()
+	{
+		$query = $this->createQueryBuilder('p')
+			->orderBy('p.rank', 'DESC')
+			->getQuery();
+
+		return $query;
+	}
 }