Move to Symfony Flex

The structure changed completely.
Bundles are gone. Everything is flatten in the folder `src`.
I separated import & api controllers to avoid _pollution_ in the main controller folder.

src/Event/EntryDeletedEvent.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Event;
+
+use App\Entity\Entry;
+use Symfony\Contracts\EventDispatcher\Event;
+
+/**
+ * This event is fired as soon as an entry is deleted.
+ */
+class EntryDeletedEvent extends Event
+{
+    public const NAME = 'entry.deleted';
+
+    protected $entry;
+
+    public function __construct(Entry $entry)
+    {
+        $this->entry = $entry;
+    }
+
+    public function getEntry(): Entry
+    {
+        return $this->entry;
+    }
+}

src/Event/EntrySavedEvent.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Event;
+
+use App\Entity\Entry;
+use Symfony\Contracts\EventDispatcher\Event;
+
+/**
+ * This event is fired as soon as an entry was saved.
+ */
+class EntrySavedEvent extends Event
+{
+    public const NAME = 'entry.saved';
+
+    protected $entry;
+
+    public function __construct(Entry $entry)
+    {
+        $this->entry = $entry;
+    }
+
+    public function getEntry(): Entry
+    {
+        return $this->entry;
+    }
+}

src/Event/Listener/LocaleListener.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Event\Listener;
+
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+/**
+ * @see http://symfony.com/doc/current/cookbook/session/locale_sticky_session.html
+ */
+class LocaleListener implements EventSubscriberInterface
+{
+    private $defaultLocale;
+
+    public function __construct($defaultLocale = 'en')
+    {
+        $this->defaultLocale = $defaultLocale;
+    }
+
+    public function onKernelRequest(GetResponseEvent $event)
+    {
+        $request = $event->getRequest();
+        if (!$request->hasPreviousSession()) {
+            return;
+        }
+
+        // try to see if the locale has been set as a _locale routing parameter
+        if ($locale = $request->attributes->get('_locale')) {
+            $request->getSession()->set('_locale', $locale);
+        } else {
+            // if no explicit locale has been set on this request, use one from the session
+            $request->setLocale($request->getSession()->get('_locale', $this->defaultLocale));
+        }
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return [
+            // must be registered before the default Locale listener
+            KernelEvents::REQUEST => [['onKernelRequest', 17]],
+        ];
+    }
+}

src/Event/Listener/UserLocaleListener.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Event\Listener;
+
+use App\Entity\User;
+use Symfony\Component\HttpFoundation\Session\SessionInterface;
+use Symfony\Component\Security\Http\Event\InteractiveLoginEvent;
+
+/**
+ * Stores the locale of the user in the session after the login.
+ * If no locale are defined (if user doesn't change it from the login screen), override it with the user's config one.
+ *
+ * This can be used by the LocaleListener afterwards.
+ *
+ * @see http://symfony.com/doc/master/cookbook/session/locale_sticky_session.html
+ */
+class UserLocaleListener
+{
+    private SessionInterface $session;
+
+    public function __construct(SessionInterface $session)
+    {
+        $this->session = $session;
+    }
+
+    public function onInteractiveLogin(InteractiveLoginEvent $event)
+    {
+        $user = $event->getAuthenticationToken()->getUser();
+        \assert($user instanceof User);
+
+        if (null !== $user->getConfig()->getLanguage() && null === $this->session->get('_locale')) {
+            $this->session->set('_locale', $user->getConfig()->getLanguage());
+        }
+    }
+}

src/Event/Subscriber/CustomDoctrineORMSubscriber.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Event\Subscriber;
+
+use Lexik\Bundle\FormFilterBundle\Event\GetFilterConditionEvent;
+use Lexik\Bundle\FormFilterBundle\Event\Subscriber\DoctrineORMSubscriber;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * This custom class override the default behavior of LexikFilterBundle on `filter_date_range`
+ * It converts a date_range to date_time_range to add hour to be able to grab a whole day (from 00:00:00 to 23:59:59).
+ */
+class CustomDoctrineORMSubscriber extends DoctrineORMSubscriber implements EventSubscriberInterface
+{
+    public function filterDateRange(GetFilterConditionEvent $event)
+    {
+        $expr = $event->getFilterQuery()->getExpressionBuilder();
+        $values = $event->getValues();
+        $value = $values['value'];
+
+        // left date should start at midnight
+        if (isset($value['left_date'][0]) && $value['left_date'][0] instanceof \DateTime) {
+            $value['left_date'][0]->setTime(0, 0, 0);
+        }
+
+        // right adte should end one second before midnight
+        if (isset($value['right_date'][0]) && $value['right_date'][0] instanceof \DateTime) {
+            $value['right_date'][0]->setTime(23, 59, 59);
+        }
+
+        if (isset($value['left_date'][0]) || isset($value['right_date'][0])) {
+            $event->setCondition($expr->dateTimeInRange($event->getField(), $value['left_date'][0], $value['right_date'][0]));
+        }
+    }
+}

src/Event/Subscriber/DownloadImagesSubscriber.php

@@ -0,0 +1,113 @@
+<?php
+
+namespace App\Event\Subscriber;
+
+use App\Entity\Entry;
+use App\Event\EntryDeletedEvent;
+use App\Event\EntrySavedEvent;
+use App\Helper\DownloadImages;
+use Doctrine\ORM\EntityManagerInterface;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+class DownloadImagesSubscriber implements EventSubscriberInterface
+{
+    private $em;
+    private $downloadImages;
+    private $enabled;
+    private $logger;
+
+    public function __construct(EntityManagerInterface $em, DownloadImages $downloadImages, $enabled, LoggerInterface $logger)
+    {
+        $this->em = $em;
+        $this->downloadImages = $downloadImages;
+        $this->enabled = $enabled;
+        $this->logger = $logger;
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return [
+            EntrySavedEvent::NAME => 'onEntrySaved',
+            EntryDeletedEvent::NAME => 'onEntryDeleted',
+        ];
+    }
+
+    /**
+     * Download images and updated the data into the entry.
+     */
+    public function onEntrySaved(EntrySavedEvent $event)
+    {
+        if (!$this->enabled) {
+            $this->logger->debug('DownloadImagesSubscriber: disabled.');
+
+            return;
+        }
+
+        $entry = $event->getEntry();
+
+        $html = $this->downloadImages($entry);
+        if (false !== $html) {
+            $this->logger->debug('DownloadImagesSubscriber: updated html.');
+
+            $entry->setContent($html);
+        }
+
+        // update preview picture
+        $previewPicture = $this->downloadPreviewImage($entry);
+        if (false !== $previewPicture) {
+            $this->logger->debug('DownloadImagesSubscriber: update preview picture.');
+
+            $entry->setPreviewPicture($previewPicture);
+        }
+
+        $this->em->persist($entry);
+        $this->em->flush();
+    }
+
+    /**
+     * Remove images related to the entry.
+     */
+    public function onEntryDeleted(EntryDeletedEvent $event)
+    {
+        if (!$this->enabled) {
+            $this->logger->debug('DownloadImagesSubscriber: disabled.');
+
+            return;
+        }
+
+        $this->downloadImages->removeImages($event->getEntry()->getId());
+    }
+
+    /**
+     * Download all images from the html.
+     *
+     * @todo If we want to add async download, it should be done in that method
+     *
+     * @return string|false False in case of async
+     */
+    private function downloadImages(Entry $entry)
+    {
+        return $this->downloadImages->processHtml(
+            $entry->getId(),
+            $entry->getContent(),
+            $entry->getUrl()
+        );
+    }
+
+    /**
+     * Download the preview picture.
+     *
+     * @todo If we want to add async download, it should be done in that method
+     *
+     * @return string|false False in case of async
+     */
+    private function downloadPreviewImage(Entry $entry)
+    {
+        return $this->downloadImages->processSingleImage(
+            $entry->getId(),
+            $entry->getPreviewPicture(),
+            $entry->getUrl()
+        );
+    }
+}

src/Event/Subscriber/SQLiteCascadeDeleteSubscriber.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Event\Subscriber;
+
+use App\Entity\Entry;
+use Doctrine\Common\EventSubscriber;
+use Doctrine\DBAL\Platforms\SqlitePlatform;
+use Doctrine\ORM\Event\LifecycleEventArgs;
+use Doctrine\Persistence\ManagerRegistry;
+
+/**
+ * SQLite doesn't care about cascading remove, so we need to manually remove associated stuf for an Entry.
+ * Foreign Key Support can be enabled by running `PRAGMA foreign_keys = ON;` at runtime (AT RUNTIME !).
+ * But it needs a compilation flag that not all SQLite instance has ...
+ *
+ * @see https://www.sqlite.org/foreignkeys.html#fk_enable
+ */
+class SQLiteCascadeDeleteSubscriber implements EventSubscriber
+{
+    private $doctrine;
+
+    public function __construct(ManagerRegistry $doctrine)
+    {
+        $this->doctrine = $doctrine;
+    }
+
+    /**
+     * @return array
+     */
+    public function getSubscribedEvents()
+    {
+        return [
+            'preRemove',
+        ];
+    }
+
+    /**
+     * We removed everything related to the upcoming removed entry because SQLite can't handle it on it own.
+     * We do it in the preRemove, because we can't retrieve tags in the postRemove (because the entry id is gone).
+     */
+    public function preRemove(LifecycleEventArgs $args)
+    {
+        $entity = $args->getEntity();
+        if (!$this->doctrine->getConnection()->getDatabasePlatform() instanceof SqlitePlatform
+            || !$entity instanceof Entry) {
+            return;
+        }
+
+        $em = $this->doctrine->getManager();
+
+        if (null !== $entity->getTags()) {
+            foreach ($entity->getTags() as $tag) {
+                $entity->removeTag($tag);
+            }
+        }
+
+        if (null !== $entity->getAnnotations()) {
+            foreach ($entity->getAnnotations() as $annotation) {
+                $em->remove($annotation);
+            }
+        }
+
+        $em->flush();
+    }
+}

src/Event/Subscriber/TablePrefixSubscriber.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Event\Subscriber;
+
+use Doctrine\Common\EventSubscriber;
+use Doctrine\ORM\Event\LoadClassMetadataEventArgs;
+use Doctrine\ORM\Mapping\ClassMetadataInfo;
+
+/**
+ * Puts a prefix to each table.
+ * This way were used instead of using the built-in strategy from Doctrine, using `naming_strategy`
+ * Because it conflicts with the DefaultQuoteStrategy (that espace table name, like user for Postgres)
+ * see #1498 for more detail.
+ *
+ * Solution from :
+ *      - http://stackoverflow.com/a/23860613/569101
+ *      - http://doctrine-orm.readthedocs.org/en/latest/reference/namingstrategy.html
+ */
+class TablePrefixSubscriber implements EventSubscriber
+{
+    protected $tablePrefix = '';
+
+    public function __construct($tablePrefix)
+    {
+        $this->tablePrefix = (string) $tablePrefix;
+    }
+
+    public function getSubscribedEvents()
+    {
+        return ['loadClassMetadata'];
+    }
+
+    public function loadClassMetadata(LoadClassMetadataEventArgs $args)
+    {
+        $classMetadata = $args->getClassMetadata();
+
+        // if we are in an inheritance hierarchy, only apply this once
+        if ($classMetadata->isInheritanceTypeSingleTable() && !$classMetadata->isRootEntity()) {
+            return;
+        }
+
+        $classMetadata->setPrimaryTable(['name' => $this->tablePrefix . $classMetadata->getTableName()]);
+
+        foreach ($classMetadata->getAssociationMappings() as $fieldName => $mapping) {
+            if (ClassMetadataInfo::MANY_TO_MANY === $mapping['type'] && isset($classMetadata->associationMappings[$fieldName]['joinTable']['name'])) {
+                $mappedTableName = $classMetadata->associationMappings[$fieldName]['joinTable']['name'];
+                $classMetadata->associationMappings[$fieldName]['joinTable']['name'] = $this->tablePrefix . $mappedTableName;
+            }
+        }
+    }
+}