User rename logging implemented.

app/DoctrineMigrations/Version20160328060523.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+class Version20160328060523 extends AbstractMigration
+{
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema)
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() != 'postgresql', 'Migration can only be executed safely on \'postgresql\'.');
+
+        $this->addSql('CREATE SEQUENCE users.rename_log_id_seq INCREMENT BY 1 MINVALUE 1 START 1');
+        $this->addSql('CREATE TABLE users.rename_log (id INT NOT NULL, user_id INT NOT NULL, date TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL, old_login TEXT NOT NULL, new_login TEXT NOT NULL, PRIMARY KEY(id))');
+        $this->addSql('CREATE INDEX IDX_10D64DDA76ED395 ON users.rename_log (user_id)');
+        $this->addSql('CREATE INDEX idx_rename_log_date ON users.rename_log (date)');
+        $this->addSql('CREATE INDEX idx_rename_log_old_login ON users.rename_log (old_login)');
+        $this->addSql('ALTER TABLE users.rename_log ADD CONSTRAINT FK_10D64DDA76ED395 FOREIGN KEY (user_id) REFERENCES users.users (id) ON DELETE CASCADE NOT DEFERRABLE INITIALLY IMMEDIATE');
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema)
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() != 'postgresql', 'Migration can only be executed safely on \'postgresql\'.');
+
+        $this->addSql('DROP SEQUENCE users.rename_log_id_seq CASCADE');
+        $this->addSql('DROP TABLE users.rename_log');
+    }
+}

src/Skobkin/Bundle/PointToolsBundle/Entity/UserRenameEvent.php

@@ -0,0 +1,174 @@
+<?php
+
+namespace Skobkin\Bundle\PointToolsBundle\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * UserRenameEvent
+ *
+ * @ORM\Table(name="users.rename_log", schema="users", indexes={
+ *     @ORM\Index(name="idx_rename_log_date", columns={"date"}),
+ *     @ORM\Index(name="idx_rename_log_old_login", columns={"old_login"})
+ * })
+ * @ORM\Entity
+ * @ORM\HasLifecycleCallbacks
+ */
+class UserRenameEvent
+{
+    /**
+     * @var integer
+     *
+     * @ORM\Column(name="id", type="integer")
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="AUTO")
+     */
+    private $id;
+
+    /**
+     * @var User
+     *
+     * @ORM\ManyToOne(targetEntity="Skobkin\Bundle\PointToolsBundle\Entity\User")
+     * @ORM\JoinColumn(name="user_id", nullable=false, onDelete="CASCADE")
+     */
+    private $user;
+
+    /**
+     * @var \DateTime
+     *
+     * @ORM\Column(name="date", type="datetime")
+     */
+    private $date;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="old_login", type="text")
+     */
+    private $oldLogin;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="new_login", type="text")
+     */
+    private $newLogin;
+
+
+    public function __construct(User $user, $old, $new)
+    {
+        $this->user = $user;
+        $this->oldLogin = $old;
+        $this->newLogin = $new;
+    }
+
+    /**
+     * @ORM\PrePersist
+     */
+    public function prePersist()
+    {
+        $this->date = new \DateTime();
+    }
+
+    /**
+     * Get id
+     *
+     * @return integer 
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Set date
+     *
+     * @param \DateTime $date
+     * @return UserRenameEvent
+     */
+    public function setDate($date)
+    {
+        $this->date = $date;
+
+        return $this;
+    }
+
+    /**
+     * Get date
+     *
+     * @return \DateTime 
+     */
+    public function getDate()
+    {
+        return $this->date;
+    }
+
+    /**
+     * Set oldLogin
+     *
+     * @param string $oldLogin
+     * @return UserRenameEvent
+     */
+    public function setOldLogin($oldLogin)
+    {
+        $this->oldLogin = $oldLogin;
+
+        return $this;
+    }
+
+    /**
+     * Get oldLogin
+     *
+     * @return string 
+     */
+    public function getOldLogin()
+    {
+        return $this->oldLogin;
+    }
+
+    /**
+     * Set newLogin
+     *
+     * @param string $newLogin
+     * @return UserRenameEvent
+     */
+    public function setNewLogin($newLogin)
+    {
+        $this->newLogin = $newLogin;
+
+        return $this;
+    }
+
+    /**
+     * Get newLogin
+     *
+     * @return string 
+     */
+    public function getNewLogin()
+    {
+        return $this->newLogin;
+    }
+
+    /**
+     * Set user
+     *
+     * @param User $user
+     * @return UserRenameEvent
+     */
+    public function setUser(User $user)
+    {
+        $this->user = $user;
+
+        return $this;
+    }
+
+    /**
+     * Get user
+     *
+     * @return User
+     */
+    public function getUser()
+    {
+        return $this->user;
+    }
+}

src/Skobkin/Bundle/PointToolsBundle/EventListener/UserRenameSubscriber.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Skobkin\Bundle\PointToolsBundle\EventListener;
+
+use Doctrine\Common\EventSubscriber;
+// For new doctrine: https://symfony.com/doc/current/cookbook/doctrine/event_listeners_subscribers.html#creating-the-subscriber-class
+//use Doctrine\Common\Persistence\Event\LifecycleEventArgs;
+//use Doctrine\Common\Persistence\Event\PreUpdateEventArgs;
+use Doctrine\ORM\Event\PostFlushEventArgs;
+use Doctrine\ORM\Event\PreUpdateEventArgs;
+use Skobkin\Bundle\PointToolsBundle\Entity\User;
+use Skobkin\Bundle\PointToolsBundle\Entity\UserRenameEvent;
+
+class UserRenameSubscriber implements EventSubscriber
+{
+    /**
+     * @var UserRenameEvent[]
+     */
+    private $items = [];
+
+    public function getSubscribedEvents()
+    {
+        return [
+            'preUpdate',
+            'postFlush',
+        ];
+    }
+
+    public function preUpdate(PreUpdateEventArgs $event)
+    {
+        /** @var User $entity */
+        $entity = $event->getObject();
+
+        if (!$entity instanceof User) {
+            return;
+        }
+
+        if ($event->hasChangedField('login')) {
+            $old = $event->getOldValue('login');
+            $new = $event->getNewValue('login');
+
+            $this->items[] = new UserRenameEvent($entity, $old, $new);
+        }
+    }
+
+    public function postFlush(PostFlushEventArgs $event)
+    {
+        if (0 !== count($this->items)) {
+            $em = $event->getEntityManager();
+
+            foreach ($this->items as $item) {
+                $em->persist($item);
+            }
+
+            $this->items = [];
+
+            $em->flush();
+        }
+    }
+}

src/Skobkin/Bundle/PointToolsBundle/Resources/config/services.yml

@@ -51,10 +51,17 @@ services:
             - @skobkin__point_tools.service_factory.comment_factory
             - @skobkin__point_tools.service_factory.tag_factory
 
+    # Custom Markdown parser
     markdown.parser.point:
         class: Skobkin\Bundle\PointToolsBundle\Service\Markdown\PointParser
         arguments:
             - []
             - @router
         tags:
-            - { name: markdown.parser }
+            - { name: markdown.parser }
+
+    # Event listener
+    point_tools.event_listener.user_rename_subscriber:
+        class: Skobkin\Bundle\PointToolsBundle\EventListener\UserRenameSubscriber
+        tags:
+            - { name: doctrine.event_subscriber, connection: default }