Alternative QueryController approach

.travis.yml

@@ -27,6 +27,7 @@ before_script:
   # Checkout meta repo, change the branch and/or remote to use a different ezpublish branch/distro
   - git clone --depth 1 --single-branch --branch master https://github.com/ezsystems/ezplatform.git
   - cd ezplatform
+  - composer require "ezsystems/ezpublish-kernel:dev-ezp24624-query_controller_take2 as 6.0.x-dev"
 
   # Install everything needed for behat testing, using our local branch of this repo
   - ./bin/.travis/setup_from_external_repo.sh $BRANCH_BUILD_DIR "ezsystems/demobundle:dev-tmp_travis_branch"

QueryType/BlogPostsQueryType.php

@@ -0,0 +1,59 @@
+<?php
+/**
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+namespace EzSystems\DemoBundle\QueryType;
+
+use eZ\Publish\API\Repository\Values\Content\Query;
+use eZ\Publish\Core\QueryType\OptionsResolverBasedQueryType;
+use eZ\Publish\API\Repository\Values\Content\Query\Criterion;
+use eZ\Publish\Core\QueryType\QueryType;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use eZ\Publish\API\Repository\Values\Content\Query\SortClause;
+
+/**
+ * A QueryType that lists the blog_post within a blog_post Location.
+ */
+class BlogPostsQueryType extends OptionsResolverBasedQueryType implements QueryType
+{
+    /**
+     * @var array
+     */
+    private $languages;
+
+    /**
+     * @param array $languages List of languages blog posts must be searched in.
+     */
+    public function __construct(array $languages = [])
+    {
+        $this->languages = $languages;
+    }
+
+    public static function getName()
+    {
+        return 'DemoBundle:BlogPosts';
+    }
+
+    protected function configureOptions(OptionsResolver $optionsResolver)
+    {
+        $optionsResolver->setRequired('blogPathString');
+    }
+
+    protected function doGetQuery(array $parameters)
+    {
+        $languages = ['eng-GB'];
+
+        $criteria = [];
+        $criteria[] = new Criterion\Subtree($parameters['blogPathString']);
+        $criteria[] = new Criterion\ContentTypeIdentifier(array('blog_post'));
+        $criteria[] = new Criterion\LanguageCode($languages);
+
+        $query = new Query();
+        $query->query = new Criterion\LogicalAnd($criteria);
+        $query->sortClauses = array(
+            new SortClause\Field('blog_post', 'publication_date', Query::SORT_DESC, $languages[0]),
+        );
+
+        return $query;
+    }
+}

Resources/config/ezdemo.yml

@@ -23,12 +23,6 @@ system:
                     template: "eZDemoBundle:full:article.html.twig"
                     match:
                         Identifier\ContentType: [article]
-                # There are two ways to add extra information to your response using a custom controller
-                blog:
-                    # Fully customized, handling everything yourself
-                    controller: "eZDemoBundle:Demo:listBlogPosts"
-                    match:
-                        Identifier\ContentType: [blog]
                 blog_post:
                     # Enriched controller, only adding extra parameters
                     controller: "eZDemoBundle:Demo:showBlogPost"
@@ -80,11 +74,6 @@ system:
                     template: "eZDemoBundle:line:article.html.twig"
                     match:
                         Identifier\ContentType: [article]
-                blog_post:
-                    controller: "eZDemoBundle:Demo:showBlogPost"
-                    template: "eZDemoBundle:line:blog_post.html.twig"
-                    match:
-                        Identifier\ContentType: [blog_post]
                 place:
                     template: "eZDemoBundle:line:place.html.twig"
                     match:
@@ -107,6 +96,19 @@ system:
                         Identifier\ContentType: [video]
 
         content_view:
+            full:
+                # Fully customized, handling everything yourself
+                blog:
+                    match:
+                        Identifier\ContentType: [blog]
+                    controller: 'ez_query:contentAction'
+                    template: 'eZDemoBundle:full:blog.html.twig'
+                    params:
+                        query: 'DemoBundle:BlogPosts'
+                        queryParameters:
+                            blogPathString: @=location.pathString
+                        variable: blog_posts_list
+                        enablePager: true
             embed:
                 image:
                     template: "eZDemoBundle:embed:image.html.twig"
@@ -117,6 +119,12 @@ system:
                     template: "eZDemoBundle:relation:image.html.twig"
                     match:
                         Identifier\ContentType: [image]
+            line:
+                blog_post:
+                    controller: "eZDemoBundle:Demo:showBlogPost"
+                    template: "eZDemoBundle:line:blog_post.html.twig"
+                    match:
+                        Identifier\ContentType: [blog_post]
 
         field_templates:
             - {template: "eZDemoBundle::content_fields.html.twig", priority: 10}

Resources/views/full/blog.html.twig

@@ -5,20 +5,20 @@
         <div class="class-blog">
             <div class="row">
                 <div class="col-md-8">
-                    {% if pagerBlog|length() > 0 %}
+                    {% if blog_posts_list|length() > 0 %}
                         <section class="content-view-children">
-                            {% for post in pagerBlog %}
+                            {% for post in blog_posts_list.searchHits %}
                                 {# Displaying blog_post elements calling the view line #}
-                                {{ render_esi( controller( 'ez_content:viewLocation', {'locationId': post.contentInfo.mainLocationId, 'viewType': 'line'} ) ) }}
+                                {{ render_esi( controller( 'ez_content:viewLocation', {'locationId': post.valueObject.contentInfo.mainLocationId, 'viewType': 'line'} ) ) }}
                             {% endfor %}
                         </section>
 
                         {# Pagination is displayed only if needed (number of posts > limit) #}
-                        {% if pagerBlog.haveToPaginate() %}
-                            <div class="pagination-centered">
-                                {{ pagerfanta( pagerBlog, 'twitter_bootstrap_translated', {'routeName': location} ) }}
-                            </div>
-                        {% endif %}
+                        {#{% if blog_posts_list.haveToPaginate() %}#}
+                            {#<div class="pagination-centered">#}
+                                {#{{ pagerfanta( blog_posts_list, 'twitter_bootstrap_translated', {'routeName': location} ) }}#}
+                            {#</div>#}
+                        {#{% endif %}#}
 
                     {% endif %}
                 </div>