feat: dynamic allow promotion codes based on configuration

README.md

@@ -35,6 +35,7 @@ Add plans to your `cashier.php` config file:
     'default' => [
         'price_id' => ENV('CASHIER_STRIPE_SUBSCRIPTION_DEFAULT_PRICE_ID'),
         'trial_days' => 14, // Optional
+        'allow_promotion_codes' => true, // Optional
         'collect_tax_ids' => true, // Optional
     ],
 ],

src/Plan.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Maartenpaauw\Filament\Cashier;
+
+use Illuminate\Config\Repository;
+use InvalidArgumentException;
+
+final class Plan
+{
+    public function __construct(
+        private readonly Repository $repository,
+        private readonly string $type = 'default',
+    ) {
+    }
+
+    public function type(): string
+    {
+        return $this->type;
+    }
+
+    public function priceId(): string
+    {
+        return $this->repository->get(
+            "cashier.plans.$this->type.price_id",
+            static fn (): never => throw new InvalidArgumentException('Invalid plan configuration'),
+        );
+    }
+
+    public function trialDays(): int | false
+    {
+        return $this->repository->get("cashier.plans.$this->type.trial_days", false);
+    }
+
+    public function allowPromotionCodes(): bool
+    {
+        return $this->repository->get("cashier.plans.$this->type.allow_promotion_codes", false);
+    }
+
+    public function collectTaxIds(): bool
+    {
+        return $this->repository->get("cashier.plans.$this->type.collect_tax_ids", false);
+    }
+}

src/Stripe/RedirectIfUserNotSubscribed.php

@@ -14,6 +14,7 @@
 use Laravel\Cashier\Cashier;
 use Laravel\Cashier\SubscriptionBuilder;
 use LogicException;
+use Maartenpaauw\Filament\Cashier\Plan;
 use Symfony\Component\HttpFoundation\Response;
 
 final class RedirectIfUserNotSubscribed
@@ -41,18 +42,26 @@ public function handle(Request $request, Closure $next, string $plan = 'default'
             throw new LogicException('Customer model does not use Cashier Billable trait');
         }
 
-        if ($tenant->subscribed($plan)) {
+        $plan = new Plan($this->repository, $plan);
+
+        if ($tenant->subscribed($plan->type())) {
             return $next($request);
         }
 
-        $priceId = $this->repository->get("cashier.plans.$plan.price_id");
-        $trialDays = $this->repository->get("cashier.plans.$plan.trial_days", false);
-        $collectTaxIds = $this->repository->get("cashier.plans.$plan.collect_tax_ids", false);
-
-        return $tenant->newSubscription($plan, $priceId)
-            ->allowPromotionCodes()
-            ->when($trialDays, static fn (SubscriptionBuilder $subscription) => $subscription->trialDays($trialDays))
-            ->when($collectTaxIds, static fn (SubscriptionBuilder $subscription) => $subscription->collectTaxIds())
+        return $tenant
+            ->newSubscription($plan->type(), $plan->priceId())
+            ->when(
+                $plan->trialDays() !== false,
+                static fn (SubscriptionBuilder $subscription): SubscriptionBuilder => $subscription->trialDays($plan->trialDays()),
+            )
+            ->when(
+                $plan->allowPromotionCodes(),
+                static fn (SubscriptionBuilder $subscription): SubscriptionBuilder => $subscription->allowPromotionCodes(),
+            )
+            ->when(
+                $plan->collectTaxIds(),
+                static fn (SubscriptionBuilder $subscription): SubscriptionBuilder => $subscription->collectTaxIds(),
+            )
             ->checkout([
                 'success_url' => Dashboard::getUrl(),
                 'cancel_url' => Dashboard::getUrl(),