Initialize a CRUD for entities

CRUD/Resolver/Resolver.php

@@ -0,0 +1,110 @@
+<?php
+/*
+ * Chill is a software for social workers
+ *
+ * Copyright (C) 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\CRUD\Resolver;
+
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\PropertyAccess\PropertyAccess;
+
+/**
+ * 
+ *
+ */
+class Resolver
+{
+    /**
+     *
+     * @var EntityManagerInterface
+     */
+    protected $em;
+    
+    /**
+     *
+     * @var \Symfony\Component\PropertyAccess\PropertyAccessor
+     */
+    protected $propertyAccess;
+    
+    function __construct(EntityManagerInterface $em)
+    {
+        $this->em = $em;
+        
+        $this->buildPropertyAccess();
+    }
+
+    
+    private function buildPropertyAccess()
+    {
+        $this->propertyAccess = PropertyAccess::createPropertyAccessorBuilder()
+            ->enableExceptionOnInvalidIndex()
+            ->getPropertyAccessor();
+    }
+    
+    /**
+     * Return the data at given path.
+     * 
+     * Path are given to 
+     * 
+     * @param object $entity
+     * @param string $path
+     */
+    public function getData($entity, $path)
+    {
+        return $this->propertyAccess->getValue($entity, $path);
+    }
+    
+    public function getTwigTemplate($entity, $path): string
+    {
+        list($focusEntity, $subPath) = $this->getFocusedEntity($entity, $path);
+        
+        $classMetadata = $this->em->getClassMetadata(\get_class($focusEntity));
+        $type = $classMetadata->getTypeOfField($subPath);
+        dump($type);
+        switch ($type) {
+            
+            default: 
+                return '@ChillMain/CRUD/_inc/default.html.twig';
+        }
+    }
+    
+    /**
+     * Get the object on which the path apply
+     * 
+     * This methods recursively parse the path and entity and return the entity
+     * which will deliver the info, and the last path.
+     * 
+     * @param object $entity
+     * @param string $path
+     * @return array [$focusedEntity, $lastPath]
+     */
+    private function getFocusedEntity($entity, $path)
+    {
+        if (\strpos($path, '.') === FALSE) {
+            return [$entity, $path];
+        }
+        
+        $exploded = \explode('.', $path);
+        
+        $subEntity = $this->propertyAccess
+            ->getValue($entity, $exploded[0]);
+        
+        return $this->getFocusedEntity($subEntity, 
+            \implode('.', \array_slice($exploded, 1)));
+    }
+}