account pages: login, order history, order details, account details, wishlist

app/Services/GuestOrderClaimer.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Contracts\Auth\Authenticatable;
+use Lunar\Models\Order;
+
+/**
+ * Attaches placed guest orders to an account when their billing email matches
+ * the account's email. Only ever called right after the shopper has proved
+ * they own that email (a login code, or the code confirming an email change),
+ * which is what makes matching on email safe.
+ *
+ * Orders already belonging to any customer or user are never touched.
+ */
+class GuestOrderClaimer
+{
+    public function claim(Authenticatable $user): int
+    {
+        $customer = $user->latestCustomer();
+
+        if (! $customer || ! $user->email) {
+            return 0;
+        }
+
+        return Order::query()
+            ->whereNotNull('placed_at')
+            ->whereNull('customer_id')
+            ->whereNull('user_id')
+            ->whereHas('billingAddress', fn ($query) => $query
+                ->whereRaw('lower(contact_email) = ?', [strtolower($user->email)]))
+            ->update([
+                'customer_id' => $customer->id,
+                'user_id' => $user->id,
+            ]);
+    }
+}