wip: working tv season & episode monitors

src/Monitor/Framework/Entity/Monitor.php

@@ -4,6 +4,8 @@ namespace App\Monitor\Framework\Entity;
 
 use App\Monitor\Framework\Repository\MonitorRepository;
 use App\User\Framework\Entity\User;
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Serializer\Attribute\Ignore;
@@ -56,6 +58,17 @@ class Monitor
     #[ORM\Column(nullable: true)]
     private ?\DateTimeImmutable $downloadedAt = null;
 
+    #[ORM\ManyToOne(targetEntity: self::class, inversedBy: 'children')]
+    private ?self $parent = null;
+
+    #[ORM\OneToMany(targetEntity: self::class, mappedBy: 'parent')]
+    private Collection $children;
+
+    public function __construct()
+    {
+        $this->children = new ArrayCollection();
+    }
+
     public function getId(): ?int
     {
         return $this->id;
@@ -204,4 +217,46 @@ class Monitor
 
         return $this;
     }
+
+    public function getParent(): ?self
+    {
+        return $this->parent;
+    }
+
+    public function setParent(?self $parent): static
+    {
+        $this->parent = $parent;
+
+        return $this;
+    }
+
+    /**
+     * @return Collection<int, self>
+     */
+    public function getChildren(): Collection
+    {
+        return $this->children;
+    }
+
+    public function addChild(self $child): static
+    {
+        if (!$this->children->contains($child)) {
+            $this->children->add($child);
+            $child->setParent($this);
+        }
+
+        return $this;
+    }
+
+    public function removeChild(self $child): static
+    {
+        if ($this->children->removeElement($child)) {
+            // set the owning side to null (unless already changed)
+            if ($child->getParent() === $this) {
+                $child->setParent(null);
+            }
+        }
+
+        return $this;
+    }
 }