Implement snip tags with very elegant tags form

src/Entity/Snip.php

@@ -39,9 +39,16 @@ class Snip
     #[ORM\Column]
     private bool $archived = false;
 
+    /**
+     * @var Collection<int, Tag>
+     */
+    #[ORM\ManyToMany(targetEntity: Tag::class, mappedBy: 'snips')]
+    private Collection $tags;
+
     public function __construct()
     {
         $this->snipContents = new ArrayCollection();
+        $this->tags = new ArrayCollection();
     }
 
     public function __toString(): string
@@ -160,4 +167,31 @@ class Snip
 
         return $this;
     }
+
+    /**
+     * @return Collection<int, Tag>
+     */
+    public function getTags(): Collection
+    {
+        return $this->tags;
+    }
+
+    public function addTag(Tag $tag): static
+    {
+        if (!$this->tags->contains($tag)) {
+            $this->tags->add($tag);
+            $tag->addSnip($this);
+        }
+
+        return $this;
+    }
+
+    public function removeTag(Tag $tag): static
+    {
+        if ($this->tags->removeElement($tag)) {
+            $tag->removeSnip($this);
+        }
+
+        return $this;
+    }
 }

src/Entity/Tag.php

@@ -0,0 +1,94 @@
+<?php
+
+namespace App\Entity;
+
+use App\Repository\TagRepository;
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity(repositoryClass: TagRepository::class)]
+#[ORM\UniqueConstraint(name: 'user_tag_unique', columns: ['name', 'user_id'])]
+class Tag
+{
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column]
+    private ?int $id = null;
+
+    #[ORM\Column(length: 255)]
+    private ?string $name = null;
+
+    #[ORM\ManyToOne]
+    #[ORM\JoinColumn(nullable: false)]
+    private ?User $user = null;
+
+    /**
+     * @var Collection<int, Snip>
+     */
+    #[ORM\ManyToMany(targetEntity: Snip::class, inversedBy: 'tags')]
+    private Collection $snips;
+
+    public function __construct()
+    {
+        $this->snips = new ArrayCollection();
+    }
+
+    public function __toString(): string
+    {
+        return $this->name ?? '';
+    }
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getName(): ?string
+    {
+        return $this->name;
+    }
+
+    public function setName(string $name): static
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+
+    public function getUser(): ?User
+    {
+        return $this->user;
+    }
+
+    public function setUser(?User $user): static
+    {
+        $this->user = $user;
+
+        return $this;
+    }
+
+    /**
+     * @return Collection<int, Snip>
+     */
+    public function getSnips(): Collection
+    {
+        return $this->snips;
+    }
+
+    public function addSnip(Snip $snip): static
+    {
+        if (!$this->snips->contains($snip)) {
+            $this->snips->add($snip);
+        }
+
+        return $this;
+    }
+
+    public function removeSnip(Snip $snip): static
+    {
+        $this->snips->removeElement($snip);
+
+        return $this;
+    }
+}