init

app/Models/Tier.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class Tier extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'name',
+        'slug',
+        'description',
+        'allowed_fields',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'allowed_fields' => 'array',
+        ];
+    }
+
+    public function filterFields(array $data): array
+    {
+        return collect($data)->only($this->allowed_fields ?? [])->all();
+    }
+
+    public function websites(): HasMany
+    {
+        return $this->hasMany(Website::class);
+    }
+}