create api for adding a render entity function

Templating/Entity/ChillEntityRenderExtension.php

@@ -0,0 +1,83 @@
+<?php
+/*
+ * Chill is a software for social workers
+ *
+ * Copyright (C) 2014-2019, Champs Libres Cooperative SCRLFS, 
+ * <http://www.champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+namespace Chill\MainBundle\Templating\Entity;
+
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFilter;
+
+/**
+ * 
+ *
+ */
+class ChillEntityRenderExtension extends AbstractExtension
+{
+    /**
+     *
+     * @var ChillEntityRenderInterface 
+     */
+    protected $renders = [];
+    
+    /**
+     *
+     * @var ChillEntityRender
+     */
+    protected $defaultRender;
+    
+    public function getFilters()
+    {
+        return [
+            new TwigFilter('chill_entity_render_string', [$this, 'renderString'], [
+                'is_safe' => [ 'html' ]
+            ]),
+            new TwigFilter('chill_entity_render_box', [$this, 'renderBox'], [
+                'is_safe' => [ 'html' ]
+            ])
+        ];
+    }
+    
+    public function renderString($entity, array $options = []): string
+    {
+        return $this->getRender($entity, $options)
+            ->renderString($entity, $options);
+    }
+    
+    public function renderBox($entity, array $options = []): string
+    {
+        return $this->getRender($entity, $options)
+            ->renderBox($entity, $options);
+    }
+    
+    public function addRender(ChillEntityRenderInterface $render)
+    {
+        $this->renders[] = $render;
+    }
+    
+    protected function getRender($entity, $options): ChillEntityRenderInterface
+    {
+        foreach ($this->renders as $render) {
+            if ($render->supports($entity, $options)) {
+                return $render;
+            }
+        }
+        
+        return $this->defaultRender;
+    }
+}