update email template

app/Integrations/Whmcs/Transformers/InvoiceItemTransformer.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Integrations\Whmcs\Transformers;
+
+use App\Integrations\Whmcs\DTOs\InvoiceItemData;
+use App\Integrations\Whmcs\Support\ProductIdResolver;
+use Illuminate\Support\Facades\DB;
+
+class InvoiceItemTransformer
+{
+    public function __construct(private ProductIdResolver $products)
+    {
+    }
+
+    /**
+     * Returns null for WHMCS tax/manual lines (blank `type`) — those are already
+     * reflected in invoices.tax on the header, keeping them would double-count.
+     * Also returns null for discount lines (negative amount) — invoice_items.unit_price
+     * is unsigned; those are rolled into invoices.discount_amount instead, see InvoiceTransformer.
+     */
+    public function transform(array|object $row): ?InvoiceItemData
+    {
+        $row = (array) $row;
+
+        $whmcsType = trim((string) ($row['type'] ?? ''));
+        if ($whmcsType === '') {
+            return null;
+        }
+
+        $amount = (int) round((float) $row['amount']);
+        if ($amount < 0) {
+            return null;
+        }
+
+        return new InvoiceItemData(
+            legacyId: (int) $row['id'],
+            type: $this->mapType($whmcsType),
+            description: $row['description'] ? substr($row['description'], 0, 500) : null,
+            unitPrice: $amount,
+            totalPrice: $amount,
+            productId: $this->resolveProductId($whmcsType, (int) $row['relid']),
+        );
+    }
+
+    /**
+     * Only 'Hosting' line items carry a resolvable product: relid -> tblhosting.id -> packageid -> products.legacy_id.
+     * Domain/Addon relids point at tbldomains/tblhostingaddons, which don't map onto the products table.
+     */
+    private function resolveProductId(string $whmcsType, int $relid): ?int
+    {
+        if ($whmcsType !== 'Hosting' || $relid <= 0) {
+            return null;
+        }
+
+        $packageId = DB::connection('whmcs')->table('tblhosting')->where('id', $relid)->value('packageid');
+
+        return $packageId ? $this->products->resolve((int) $packageId) : null;
+    }
+
+    private function mapType(string $whmcsType): string
+    {
+        if ($whmcsType === 'Addon') {
+            return 'addon';
+        }
+
+        if (str_contains($whmcsType, 'Upgrade')) {
+            return 'upgrade';
+        }
+
+        return 'service';
+    }
+}