init

app/Models/Note.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Note extends Model
+{
+    protected $fillable = [
+        'device_id', 'content',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'content' => 'array',
+        ];
+    }
+
+    public function device(): BelongsTo
+    {
+        return $this->belongsTo(Device::class);
+    }
+}