Implementacao upload anexos de ordens

app/Models/OrderAttachment.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Models;
+
+use App\Core\Model;
+
+class OrderAttachment extends Model
+{
+    protected $table = 'order_attachments';
+
+    /**
+     * Retorna todos os anexos de uma ordem específica.
+     */
+    public function findByOrderId(int $orderId): array
+    {
+        $stmt = $this->conn->prepare(
+            "SELECT * FROM {$this->table} WHERE order_id = :order_id ORDER BY created_at ASC"
+        );
+        $stmt->execute(['order_id' => $orderId]);
+        return $stmt->fetchAll();
+    }
+
+    /**
+     * Insere um registro de anexo no banco.
+     */
+    public function create(array $data): int
+    {
+        $stmt = $this->conn->prepare(
+            "INSERT INTO {$this->table} (order_id, original_name, stored_name, mime_type, size)
+             VALUES (:order_id, :original_name, :stored_name, :mime_type, :size)"
+        );
+        $stmt->execute([
+            'order_id'      => $data['order_id'],
+            'original_name' => $data['original_name'],
+            'stored_name'   => $data['stored_name'],
+            'mime_type'     => $data['mime_type'] ?? null,
+            'size'          => $data['size'] ?? null,
+        ]);
+        return (int) $this->conn->lastInsertId();
+    }
+}