Add coupon fraud context and analytics tracking

app/Services/Checkout/CheckoutSessionService.php

@@ -32,6 +32,9 @@ class CheckoutSessionService
 
             if ($existing) {
                 $this->refreshExpiration($existing);
+                if ($this->applyRequestContext($existing, $context)) {
+                    $existing->save();
+                }
 
                 return $existing;
             }
@@ -50,6 +53,7 @@ class CheckoutSessionService
             $session->locale = $context['locale'] ?? app()->getLocale();
             $session->expires_at = now()->addMinutes($this->sessionTtlMinutes);
             $session->status_history = [];
+            $this->applyRequestContext($session, $context);
             $this->appendStatus($session, CheckoutSession::STATUS_DRAFT, 'session_created');
 
             $session->save();
@@ -218,6 +222,27 @@ class CheckoutSessionService
         $session->status_history = $history;
     }
 
+    protected function applyRequestContext(CheckoutSession $session, array $context): bool
+    {
+        $updated = false;
+
+        foreach (['ip_address', 'device_id', 'user_agent'] as $key) {
+            if (! array_key_exists($key, $context)) {
+                continue;
+            }
+
+            $value = $context[$key];
+            if (! is_string($value) || $value === '') {
+                continue;
+            }
+
+            $session->{$key} = $value;
+            $updated = true;
+        }
+
+        return $updated;
+    }
+
     protected function packageSnapshot(Package $package): array
     {
         return [