Start on property keeping track of git db content

src/Entity/SnipContent.php

@@ -7,6 +7,7 @@ use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\Uid\Ulid;
 
 #[ORM\Entity(repositoryClass: SnipContentRepository::class)]
 class SnipContent
@@ -14,27 +15,27 @@ class SnipContent
     #[ORM\Id]
     #[ORM\GeneratedValue]
     #[ORM\Column]
-    private ?int $id = null;
+    private ?Ulid $id = null;
 
     #[ORM\ManyToOne(inversedBy: 'snipContents')]
     #[ORM\JoinColumn(nullable: false)]
     private ?Snip $snip = null;
 
-    #[ORM\ManyToOne(targetEntity: self::class, inversedBy: 'child')]
+    #[ORM\ManyToOne(targetEntity: self::class, inversedBy: 'children')]
     private ?self $parent = null;
 
     #[ORM\OneToMany(mappedBy: 'parent', targetEntity: self::class)]
-    private Collection $child;
+    private Collection $children;
 
     #[ORM\Column(type: Types::TEXT, nullable: true)]
     private ?string $text = null;
 
     public function __construct()
     {
-        $this->child = new ArrayCollection();
+        $this->children = new ArrayCollection();
     }
 
-    public function getId(): ?int
+    public function getId(): ?Ulid
     {
         return $this->id;
     }
@@ -66,15 +67,15 @@ class SnipContent
     /**
      * @return Collection<int, self>
      */
-    public function getChild(): Collection
+    public function getChildren(): Collection
     {
-        return $this->child;
+        return $this->children;
     }
 
     public function addChild(self $child): self
     {
-        if (!$this->child->contains($child)) {
-            $this->child->add($child);
+        if (!$this->children->contains($child)) {
+            $this->children->add($child);
             $child->setParent($this);
         }
 
@@ -83,7 +84,7 @@ class SnipContent
 
     public function removeChild(self $child): self
     {
-        if ($this->child->removeElement($child)) {
+        if ($this->children->removeElement($child)) {
             // set the owning side to null (unless already changed)
             if ($child->getParent() === $this) {
                 $child->setParent(null);