implemented event package addons with filament resource, event-admin purchase path and notifications, showing up in purchase history

app/Http/Requests/Tenant/EventAddonCheckoutRequest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Http\Requests\Tenant;
+
+use App\Services\Addons\EventAddonCatalog;
+use Illuminate\Foundation\Http\FormRequest;
+
+class EventAddonCheckoutRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function rules(): array
+    {
+        /** @var EventAddonCatalog $catalog */
+        $catalog = app(EventAddonCatalog::class);
+        $keys = array_keys($catalog->all());
+        $inRule = $keys === [] ? 'string' : 'in:'.implode(',', $keys);
+
+        return [
+            'addon_key' => ['required', 'string', $inRule],
+            'quantity' => ['nullable', 'integer', 'min:1', 'max:50'],
+            'success_url' => ['nullable', 'url'],
+            'cancel_url' => ['nullable', 'url'],
+        ];
+    }
+}