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

app/Services/Addons/EventAddonCatalog.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Services\Addons;
+
+use App\Models\PackageAddon;
+use Illuminate\Support\Arr;
+
+class EventAddonCatalog
+{
+    /**
+     * @return array<string, mixed>
+     */
+    public function all(): array
+    {
+        $dbAddons = PackageAddon::query()
+            ->where('active', true)
+            ->orderBy('sort')
+            ->get()
+            ->mapWithKeys(function (PackageAddon $addon) {
+                return [$addon->key => [
+                    'label' => $addon->label,
+                    'price_id' => $addon->price_id,
+                    'increments' => $addon->increments,
+                ]];
+            })
+            ->all();
+
+        // Fallback to config and merge (DB wins)
+        $configAddons = config('package-addons', []);
+
+        return array_merge($configAddons, $dbAddons);
+    }
+
+    /**
+     * @return array<string, mixed>|null
+     */
+    public function find(string $key): ?array
+    {
+        return $this->all()[$key] ?? null;
+    }
+
+    public function resolvePriceId(string $key): ?string
+    {
+        $addon = $this->find($key);
+
+        return $addon['price_id'] ?? null;
+    }
+
+    /**
+     * @return array<string, int>
+     */
+    public function resolveIncrements(string $key): array
+    {
+        $addon = $this->find($key) ?? [];
+
+        $increments = Arr::get($addon, 'increments', []);
+
+        return collect($increments)
+            ->map(fn ($value) => is_numeric($value) ? (int) $value : 0)
+            ->filter(fn ($value) => $value > 0)
+            ->all();
+    }
+}