fix: prevent duplicate events in database

migrations/Version20241207125955.php

@@ -0,0 +1,56 @@
+<?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 Version20241207125955 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('ALTER TABLE domain_entity ALTER deleted DROP DEFAULT');
+        $this->addSql('ALTER TABLE domain_event ALTER deleted DROP DEFAULT');
+        $this->addSql('ALTER TABLE entity_event ALTER deleted DROP DEFAULT');
+
+        $this->addSql('
+        DELETE FROM domain_event
+        WHERE id NOT IN (
+            SELECT MIN(id)
+            FROM domain_event
+            GROUP BY action, date, domain_id
+        )');
+        $this->addSql('CREATE UNIQUE INDEX UNIQ_E8D5227147CC8C92AA9E377A115F0EE5 ON domain_event (action, date, domain_id)');
+
+        $this->addSql('
+        DELETE FROM entity_event
+        WHERE id NOT IN (
+            SELECT MIN(id)
+            FROM entity_event
+            GROUP BY action, date, entity_id
+        )');
+        $this->addSql('CREATE UNIQUE INDEX UNIQ_975A3F5E47CC8C92AA9E377A81257D5D ON entity_event (action, date, entity_id)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('CREATE SCHEMA public');
+        $this->addSql('DROP INDEX UNIQ_975A3F5E47CC8C92AA9E377A81257D5D');
+        $this->addSql('DROP INDEX UNIQ_E8D5227147CC8C92AA9E377A115F0EE5');
+        $this->addSql('ALTER TABLE entity_event ALTER deleted SET DEFAULT false');
+        $this->addSql('ALTER TABLE domain_event ALTER deleted SET DEFAULT false');
+        $this->addSql('ALTER TABLE domain_entity ALTER deleted SET DEFAULT false');
+    }
+}

src/Entity/DomainEvent.php

@@ -6,6 +6,9 @@ use App\Repository\DomainEventRepository;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity(repositoryClass: DomainEventRepository::class)]
+#[ORM\UniqueConstraint(
+    columns: ['action', 'date', 'domain_id']
+)]
 class DomainEvent extends Event
 {
     #[ORM\ManyToOne(targetEntity: Domain::class, inversedBy: 'events')]

src/Entity/EntityEvent.php

@@ -6,6 +6,9 @@ use App\Repository\EntityEventRepository;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity(repositoryClass: EntityEventRepository::class)]
+#[ORM\UniqueConstraint(
+    columns: ['action', 'date', 'entity_id']
+)]
 class EntityEvent extends Event
 {
     #[ORM\ManyToOne(targetEntity: Entity::class, inversedBy: 'events')]

src/Service/RDAPService.php

@@ -312,6 +312,7 @@ readonly class RDAPService
 
         if (array_key_exists('nameservers', $res) && is_array($res['nameservers'])) {
             $domain->getNameservers()->clear();
+            $this->em->persist($domain);
 
             foreach ($res['nameservers'] as $rdapNameserver) {
                 $nameserver = $this->nameserverRepository->findOneBy([