Add CommentEmbeddable to Activity (Ref #21)

Form/Type/CommentType.php

@@ -0,0 +1,79 @@
+<?php
+/*
+ * Copyright (C) 2017 Champs Libres Cooperative <info@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\Form\Type;
+
+use Chill\MainBundle\Entity\Embeddable\CommentEmbeddable;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\HiddenType;
+use Symfony\Component\Form\Extension\Core\Type\TextareaType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\Form\FormEvent;
+use Symfony\Component\Form\FormEvents;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\Form\FormView;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
+
+class CommentType extends AbstractType
+{
+    /**
+     * @var \Symfony\Component\Security\Core\User\UserInterface
+     */
+    protected $user;
+
+    public function __construct(TokenStorageInterface $tokenStorage)
+    {
+        $this->user = $tokenStorage->getToken()->getUser();
+    }
+
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder
+            ->add('comment', TextareaType::class, [
+                'label' => false,
+            ])
+        ;
+
+        $builder->addEventListener(FormEvents::PRE_SUBMIT, function (FormEvent $event) {
+            $data = $event->getForm()->getData();
+            $comment = $event->getData();
+
+            if ($data->getComment() !== $comment['comment']) {
+                $data->setDate(new \DateTime());
+                $data->setUserId($this->user->getId());
+                $event->getForm()->setData($data);
+            }
+        });
+    }
+
+    public function buildView(FormView $view, FormInterface $form, array $options)
+    {
+        $view->vars = array_replace(
+            $view->vars, [
+                'hideLabel' => true,
+            ]
+        );
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults([
+            'data_class' => CommentEmbeddable::class,
+        ]);
+    }
+}