Initial commit: WitShop Laravel Online-Shop

- Laravel 11, Blade, Alpine.js, Tailwind CSS - Produkt- & Kategorieverwaltung mit Varianten - Checkout (Vorkasse + Rechnung), Session-Warenkorb - Admin-Backend (Dashboard, Bestellungen, Kunden, CMS) - DSGVO-konform: Cookie-Consent, Impressum, Widerruf, AGB - PDF-Rechnung via dompdf, SMTP-Mailversand - Kundenverwaltung mit manueller Freischaltung Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-20 00:34:09 +02:00
commit 41078fdc08
208 changed files with 21725 additions and 0 deletions
@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\ProductVariant;
+use Illuminate\Support\Facades\Session;
+
+class CartService
+{
+    private const SESSION_KEY = 'cart';
+
+    public function get(): array
+    {
+        return Session::get(self::SESSION_KEY, []);
+    }
+
+    public function add(int $variantId, int $qty = 1): void
+    {
+        $cart = $this->get();
+        $key = "v{$variantId}";
+        if (isset($cart[$key])) {
+            $cart[$key]['qty'] += $qty;
+        } else {
+            $variant = ProductVariant::with('product')->findOrFail($variantId);
+            $cart[$key] = [
+                'variant_id'   => $variantId,
+                'product_name' => $variant->product->name,
+                'variant_label'=> $variant->label,
+                'price'        => $variant->effective_price,
+                'tax_rate'     => $variant->product->tax_rate,
+                'qty'          => $qty,
+            ];
+        }
+        Session::put(self::SESSION_KEY, $cart);
+    }
+
+    public function update(string $key, int $qty): void
+    {
+        $cart = $this->get();
+        if (isset($cart[$key])) {
+            if ($qty <= 0) {
+                unset($cart[$key]);
+            } else {
+                $cart[$key]['qty'] = $qty;
+            }
+        }
+        Session::put(self::SESSION_KEY, $cart);
+    }
+
+    public function remove(string $key): void
+    {
+        $cart = $this->get();
+        unset($cart[$key]);
+        Session::put(self::SESSION_KEY, $cart);
+    }
+
+    public function clear(): void
+    {
+        Session::forget(self::SESSION_KEY);
+    }
+
+    public function subtotal(): float
+    {
+        return array_sum(array_map(fn($i) => $i['price'] * $i['qty'], $this->get()));
+    }
+
+    public function count(): int
+    {
+        return array_sum(array_column($this->get(), 'qty'));
+    }
+}