added Comment entity

migrations/Version20210530162315.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20210530162315 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('CREATE TABLE comment (id INT AUTO_INCREMENT NOT NULL, blog_id INT NOT NULL, author_id INT NOT NULL, edited_by_id INT DEFAULT NULL, title VARCHAR(255) DEFAULT NULL, content LONGTEXT NOT NULL, created_at DATETIME NOT NULL, edited_at DATETIME DEFAULT NULL, edit_reason VARCHAR(255) DEFAULT NULL, INDEX IDX_9474526CDAE07E97 (blog_id), INDEX IDX_9474526CF675F31B (author_id), INDEX IDX_9474526CDD7B2EBC (edited_by_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');
+        $this->addSql('ALTER TABLE comment ADD CONSTRAINT FK_9474526CDAE07E97 FOREIGN KEY (blog_id) REFERENCES blog (id)');
+        $this->addSql('ALTER TABLE comment ADD CONSTRAINT FK_9474526CF675F31B FOREIGN KEY (author_id) REFERENCES user (id)');
+        $this->addSql('ALTER TABLE comment ADD CONSTRAINT FK_9474526CDD7B2EBC FOREIGN KEY (edited_by_id) REFERENCES user (id)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('DROP TABLE comment');
+    }
+}