Change civility association to prevent deleting user in cascade

Author: cedricduffournet

app/src/Entity/User.php

@@ -83,7 +83,7 @@ class User extends BaseUser
      * @var Civility
      *
      * @ORM\ManyToOne(targetEntity="Civility")
-     * @ORM\JoinColumn(name="civility_id", referencedColumnName="id",  onDelete="CASCADE")
+     * @ORM\JoinColumn(nullable=false)
      * @Groups({"user_info"})
      * @Assert\NotBlank()
      */

app/src/Migrations/Version20190707102406.php

@@ -0,0 +1,39 @@
+<?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 Version20190707102406 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
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+
+        $this->addSql('ALTER TABLE fos_user DROP FOREIGN KEY FK_957A647923D6A298');
+        $this->addSql('ALTER TABLE fos_user CHANGE civility_id civility_id INT NOT NULL');
+        $this->addSql('ALTER TABLE fos_user ADD CONSTRAINT FK_957A647923D6A298 FOREIGN KEY (civility_id) REFERENCES civility (id)');
+    }
+
+    public function down(Schema $schema) : void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+
+        $this->addSql('ALTER TABLE fos_user DROP FOREIGN KEY FK_957A647923D6A298');
+        $this->addSql('ALTER TABLE fos_user CHANGE civility_id civility_id INT DEFAULT NULL');
+        $this->addSql('ALTER TABLE fos_user ADD CONSTRAINT FK_957A647923D6A298 FOREIGN KEY (civility_id) REFERENCES civility (id) ON DELETE CASCADE');
+    }
+}