product as OneToOne

src/Entity/Platform.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\MappedSuperclass]
+class Platform
+{
+    #[ORM\OneToOne(targetEntity: "MerService", inversedBy: "platform")]
+    #[ORM\JoinColumn(name: "ott_id", referencedColumnName: "id")]
+    private ?MerService $ott;
+
+    public function getOtt(): ?MerService
+    {
+        return $this->ott;
+    }
+
+    public function setPlatform(?MerService $ott): self
+    {
+        $this->ott = $ott;
+
+        return $this;
+    }
+}