From a1220b45f2fb8af92199114f99d25a5c4a4d0db7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20Beganovi=C4=87?= <k1pstabug@gmail.com>
Date: Fri, 1 Mar 2024 13:43:11 +0100
Subject: [PATCH] Add StepService class for subscription handling

---
 app/Services/Subscription/StepService.php | 61 +++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 app/Services/Subscription/StepService.php

diff --git a/app/Services/Subscription/StepService.php b/app/Services/Subscription/StepService.php
new file mode 100644
index 000000000000..25d4027df5b6
--- /dev/null
+++ b/app/Services/Subscription/StepService.php
@@ -0,0 +1,61 @@
+<?php
+
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2022. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+namespace App\Services\Subscription;
+
+use App\Livewire\BillingPortal\Purchase;
+
+class StepService
+{
+    public static function mapToClassNames(string $steps): array
+    {
+        $classes = collect(Purchase::$dependencies)->mapWithKeys(fn($dependency, $class) => [$dependency['id'] => $class])->toArray();
+
+        return array_map(fn($step) => $classes[$step], explode(',', $steps));
+    }
+
+    public static function check(array $steps): array
+    {
+        $dependencies = Purchase::$dependencies;
+        $step_order = array_flip($steps);
+        $errors = [];
+
+        foreach ($steps as $step) {
+            $dependent = $dependencies[$step]['dependencies'] ?? [];
+
+            if (!empty($dependent) && !array_intersect($dependent, $steps)) {
+                $errors[] = ctrans('texts.step_dependency_fail', [
+                    'step' => ctrans('texts.' . self::mapClassNameToString($step)),
+                    'dependencies' => implode(', ', array_map(fn($dependency) => ctrans('texts.' . self::mapClassNameToString($dependency)), $dependent)),
+                ]);
+            }
+
+            foreach ($dependent as $dependency) {
+                if (in_array($dependency, $steps) && $step_order[$dependency] > $step_order[$step]) {
+                    $errors[] = ctrans('texts.step_dependency_order_fail', [
+                        'step' => ctrans('texts.' . self::mapClassNameToString($step)),
+                        'dependency' => implode(', ', array_map(fn($dependency) => ctrans('texts.' . self::mapClassNameToString($dependency)), $dependent)),
+                    ]);
+                }
+            }
+        }
+
+        return $errors;
+    }
+
+    public static function mapClassNameToString(string $class): string
+    {
+        $classes = collect(Purchase::$dependencies)->mapWithKeys(fn($dependency, $class) => [$class => $dependency['id']])->toArray();
+
+        return $classes[$class];
+    }
+}
\ No newline at end of file