Add parent / child relationship top motives

src/Bundle/ChillTicketBundle/src/Entity/Motive.php

@@ -52,9 +52,17 @@ class Motive
     #[Serializer\Groups(['read'])]
     private array $supplementaryComments = [];
 
+    #[ORM\ManyToOne(targetEntity: Motive::class, inversedBy: 'children')]
+    private ?Motive $parent = null;
+
+
+    #[ORM\OneToMany(targetEntity: Motive::class, mappedBy: 'motive')]
+    private Collection $children;
+
     public function __construct()
     {
         $this->storedObjects = new ArrayCollection();
+        $this->children = new ArrayCollection();
     }
 
     public function addStoredObject(StoredObject $storedObject): void
@@ -142,4 +150,43 @@ class Motive
             $this->supplementaryComments[$key] = $supplementaryComment;
         }
     }
+
+    public function isParent(): bool
+    {
+        return $this->children->count() > 0;
+    }
+
+    public function isChild(): bool
+    {
+        return null !== $this->parent;
+    }
+
+    public function setParent(?Motive $parent): void
+    {
+        if (null !== $parent) {
+            $parent->addChild($this);
+        } else {
+            $this->parent->removeChild($this);
+        }
+
+        $this->parent = $parent;
+    }
+
+    /**
+     * @internal use @see{setParent} instead
+     */
+    public function addChild(Motive $child): void
+    {
+        if (!$this->children->contains($child)) {
+            $this->children->add($child);
+        }
+    }
+
+    /**
+     * @internal use @see{setParent} with null as argument instead
+     */
+    public function removeChild(Motive $child): void
+    {
+        $this->children->removeElement($child);
+    }
 }

src/Bundle/ChillTicketBundle/src/migrations/Version20250924124214.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\Migrations\Ticket;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20250924124214 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add parent to motive';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_ticket.motive ADD parent_id INT DEFAULT NULL');
+        $this->addSql('ALTER TABLE chill_ticket.motive ADD CONSTRAINT FK_DE298BF8727ACA70 FOREIGN KEY (parent_id) REFERENCES chill_ticket.motive (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('CREATE INDEX IDX_DE298BF8727ACA70 ON chill_ticket.motive (parent_id)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_ticket.motive DROP CONSTRAINT FK_DE298BF8727ACA70');
+        $this->addSql('DROP INDEX chill_ticket.IDX_DE298BF8727ACA70');
+        $this->addSql('ALTER TABLE chill_ticket.motive DROP parent_id');
+    }
+}