up schema with relations between objects

src/Entity/Festival.php

@@ -3,6 +3,8 @@
 namespace App\Entity;
 
 use App\Repository\FestivalRepository;
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 
@@ -23,6 +25,20 @@ class Festival
     #[ORM\Column(type: Types::DATE_MUTABLE)]
     private ?\DateTimeInterface $date_end = null;
 
+    /**
+     * @var Collection<int, User>
+     */
+    #[ORM\OneToMany(targetEntity: User::class, mappedBy: 'currentFestival')]
+    private Collection $users;
+
+    #[ORM\ManyToOne(inversedBy: 'festivals')]
+    private ?User $user = null;
+
+    public function __construct()
+    {
+        $this->users = new ArrayCollection();
+    }
+
     public function getId(): ?int
     {
         return $this->id;
@@ -63,4 +79,46 @@ class Festival
 
         return $this;
     }
+
+    /**
+     * @return Collection<int, User>
+     */
+    public function getUsers(): Collection
+    {
+        return $this->users;
+    }
+
+    public function addUser(User $user): static
+    {
+        if (!$this->users->contains($user)) {
+            $this->users->add($user);
+            $user->setCurrentFestival($this);
+        }
+
+        return $this;
+    }
+
+    public function removeUser(User $user): static
+    {
+        if ($this->users->removeElement($user)) {
+            // set the owning side to null (unless already changed)
+            if ($user->getCurrentFestival() === $this) {
+                $user->setCurrentFestival(null);
+            }
+        }
+
+        return $this;
+    }
+
+    public function getUser(): ?User
+    {
+        return $this->user;
+    }
+
+    public function setUser(?User $user): static
+    {
+        $this->user = $user;
+
+        return $this;
+    }
 }