From 6e9c9043ae4bbb47f69f0dc217aa8262002a6f42 Mon Sep 17 00:00:00 2001
From: "Fabian @ Blax Software" <fabian@blax.at>
Date: Mon, 29 Dec 2025 10:26:51 +0100
Subject: [PATCH] I order, A handy methods

---
 config/shop.php                               |   6 +
 .../Commands/ShopCleanupCartsCommand.php      | 132 ++++++
 src/Facades/Shop.php                          |  49 ++
 src/Models/Cart.php                           | 152 ++++++-
 src/Models/Order.php                          | 206 +++++++++
 src/Models/Product.php                        | 138 ++++++
 src/Services/ShopService.php                  | 428 ++++++++++++++++++
 src/ShopServiceProvider.php                   |  21 +
 tests/Unit/CartExpirationTest.php             | 306 +++++++++++++
 tests/Unit/OrderSummaryTest.php               | 293 ++++++++++++
 tests/Unit/ProductDuplicateTest.php           | 226 +++++++++
 tests/Unit/ShopServiceTest.php                | 274 +++++++++++
 12 files changed, 2217 insertions(+), 14 deletions(-)
 create mode 100644 src/Console/Commands/ShopCleanupCartsCommand.php
 create mode 100644 tests/Unit/CartExpirationTest.php
 create mode 100644 tests/Unit/OrderSummaryTest.php
 create mode 100644 tests/Unit/ProductDuplicateTest.php
 create mode 100644 tests/Unit/ShopServiceTest.php

diff --git a/config/shop.php b/config/shop.php
index 6414e04..88ce798 100644
--- a/config/shop.php
+++ b/config/shop.php
@@ -113,6 +113,12 @@ return [
         'expire_after_days' => 30,
         'auto_cleanup' => true,
         'merge_on_login' => true,
+
+        // Cart expiration: mark carts as expired after this many minutes of inactivity
+        'expiration_minutes' => env('SHOP_CART_EXPIRATION_MINUTES', 60),
+
+        // Cart deletion: delete unused carts after this many hours of inactivity
+        'deletion_hours' => env('SHOP_CART_DELETION_HOURS', 24),
     ],
 
     // Order configuration
diff --git a/src/Console/Commands/ShopCleanupCartsCommand.php b/src/Console/Commands/ShopCleanupCartsCommand.php
new file mode 100644
index 0000000..2e5cdaa
--- /dev/null
+++ b/src/Console/Commands/ShopCleanupCartsCommand.php
@@ -0,0 +1,132 @@
+<?php
+
+namespace Blax\Shop\Console\Commands;
+
+use Blax\Shop\Facades\Shop;
+use Blax\Shop\Models\Cart;
+use Illuminate\Console\Command;
+
+class ShopCleanupCartsCommand extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'shop:cleanup-carts
+        {--expire : Only expire stale carts without deleting}
+        {--delete : Only delete old carts without expiring}
+        {--dry-run : Show what would be done without making changes}
+        {--force : Skip confirmation prompt}';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Expire stale carts and delete old unused carts';
+
+    /**
+     * Execute the console command.
+     */
+    public function handle(): int
+    {
+        $onlyExpire = $this->option('expire');
+        $onlyDelete = $this->option('delete');
+        $dryRun = $this->option('dry-run');
+        $force = $this->option('force');
+
+        // If neither flag is set, do both
+        $doExpire = !$onlyDelete || $onlyExpire;
+        $doDelete = !$onlyExpire || $onlyDelete;
+
+        $expirationMinutes = config('shop.cart.expiration_minutes', 60);
+        $deletionHours = config('shop.cart.deletion_hours', 24);
+
+        $this->info('Cart Cleanup');
+        $this->info('============');
+        $this->newLine();
+
+        // Show configuration
+        $this->info("Configuration:");
+        $this->line("  • Expiration threshold: {$expirationMinutes} minutes of inactivity");
+        $this->line("  • Deletion threshold: {$deletionHours} hours of inactivity");
+        $this->newLine();
+
+        $expiredCount = 0;
+        $deletedCount = 0;
+
+        // Handle expiration
+        if ($doExpire) {
+            $cartsToExpire = Cart::shouldExpire()->get();
+            $expiredCount = $cartsToExpire->count();
+
+            $this->info("Carts to expire: {$expiredCount}");
+
+            if ($expiredCount > 0) {
+                if ($dryRun) {
+                    $this->warn("  [DRY RUN] Would expire {$expiredCount} carts");
+                    $this->table(
+                        ['ID', 'Customer', 'Items', 'Last Activity', 'Created'],
+                        $cartsToExpire->map(fn($cart) => [
+                            substr($cart->id, 0, 8) . '...',
+                            $cart->customer_id ? substr($cart->customer_id, 0, 8) . '...' : 'Guest',
+                            $cart->items()->count(),
+                            $cart->last_activity_at?->diffForHumans() ?? $cart->updated_at->diffForHumans(),
+                            $cart->created_at->diffForHumans(),
+                        ])->toArray()
+                    );
+                } else {
+                    Shop::expireStaleCarts();
+                    $this->info("  ✓ Expired {$expiredCount} carts");
+                }
+            }
+            $this->newLine();
+        }
+
+        // Handle deletion
+        if ($doDelete) {
+            $cartsToDelete = Cart::shouldDelete()->get();
+            $deletedCount = $cartsToDelete->count();
+
+            $this->info("Carts to delete: {$deletedCount}");
+
+            if ($deletedCount > 0) {
+                if ($dryRun) {
+                    $this->warn("  [DRY RUN] Would delete {$deletedCount} carts");
+                    $this->table(
+                        ['ID', 'Status', 'Customer', 'Items', 'Last Activity', 'Created'],
+                        $cartsToDelete->map(fn($cart) => [
+                            substr($cart->id, 0, 8) . '...',
+                            $cart->status->value,
+                            $cart->customer_id ? substr($cart->customer_id, 0, 8) . '...' : 'Guest',
+                            $cart->items()->count(),
+                            $cart->last_activity_at?->diffForHumans() ?? $cart->updated_at->diffForHumans(),
+                            $cart->created_at->diffForHumans(),
+                        ])->toArray()
+                    );
+                } else {
+                    if (!$force && !$this->confirm("Delete {$deletedCount} carts permanently?")) {
+                        $this->info('Deletion cancelled.');
+                        return self::SUCCESS;
+                    }
+
+                    Shop::deleteOldCarts();
+                    $this->info("  ✓ Deleted {$deletedCount} carts");
+                }
+            }
+            $this->newLine();
+        }
+
+        // Summary
+        $this->info('Summary');
+        $this->info('-------');
+        if ($dryRun) {
+            $this->warn('[DRY RUN] No changes were made');
+        }
+        $this->line("  • Carts expired: {$expiredCount}");
+        $this->line("  • Carts deleted: {$deletedCount}");
+
+        return self::SUCCESS;
+    }
+}
diff --git a/src/Facades/Shop.php b/src/Facades/Shop.php
index fc78148..336b7fa 100644
--- a/src/Facades/Shop.php
+++ b/src/Facades/Shop.php
@@ -5,6 +5,9 @@ namespace Blax\Shop\Facades;
 use Illuminate\Support\Facades\Facade;
 
 /**
+ * Shop Facade - Admin and Developer helper methods.
+ * 
+ * Product Queries:
  * @method static \Illuminate\Database\Eloquent\Builder products()
  * @method static \Blax\Shop\Models\Product|null product(mixed $id)
  * @method static \Illuminate\Database\Eloquent\Builder categories()
@@ -15,8 +18,54 @@ use Illuminate\Support\Facades\Facade;
  * @method static bool checkStock(\Blax\Shop\Models\Product $product, int $quantity)
  * @method static int getAvailableStock(\Blax\Shop\Models\Product $product)
  * @method static bool isOnSale(\Blax\Shop\Models\Product $product)
+ * @method static \Illuminate\Database\Eloquent\Collection topProducts(int $limit = 10)
+ * 
+ * Order Queries:
+ * @method static \Illuminate\Database\Eloquent\Builder orders()
+ * @method static \Blax\Shop\Models\Order|null order(string $id)
+ * @method static \Blax\Shop\Models\Order|null orderByNumber(string $orderNumber)
+ * @method static \Illuminate\Database\Eloquent\Builder ordersToday()
+ * @method static \Illuminate\Database\Eloquent\Builder ordersThisWeek()
+ * @method static \Illuminate\Database\Eloquent\Builder ordersThisMonth()
+ * @method static \Illuminate\Database\Eloquent\Builder ordersThisYear()
+ * @method static \Illuminate\Database\Eloquent\Builder ordersBetween(\DateTimeInterface $from, \DateTimeInterface $until)
+ * @method static \Illuminate\Database\Eloquent\Builder ordersWithStatus(\Blax\Shop\Enums\OrderStatus $status)
+ * @method static \Illuminate\Database\Eloquent\Builder pendingOrders()
+ * @method static \Illuminate\Database\Eloquent\Builder processingOrders()
+ * @method static \Illuminate\Database\Eloquent\Builder completedOrders()
+ * @method static \Illuminate\Database\Eloquent\Builder cancelledOrders()
+ * @method static \Illuminate\Database\Eloquent\Builder activeOrders()
+ * @method static \Illuminate\Database\Eloquent\Builder paidOrders()
+ * @method static \Illuminate\Database\Eloquent\Builder unpaidOrders()
+ * 
+ * Revenue & Statistics:
+ * @method static int totalRevenue()
+ * @method static int revenueToday()
+ * @method static int revenueThisWeek()
+ * @method static int revenueThisMonth()
+ * @method static int revenueThisYear()
+ * @method static int revenueBetween(\DateTimeInterface $from, \DateTimeInterface $until)
+ * @method static int totalRefunded()
+ * @method static int netRevenue()
+ * @method static float averageOrderValue()
+ * @method static array stats()
+ * @method static \Illuminate\Support\Collection revenueByDay(\DateTimeInterface $from, \DateTimeInterface $until)
+ * @method static \Illuminate\Support\Collection revenueByMonth(\DateTimeInterface $from, \DateTimeInterface $until)
+ * 
+ * Cart Queries:
+ * @method static \Illuminate\Database\Eloquent\Builder carts()
+ * @method static \Illuminate\Database\Eloquent\Builder activeCarts()
+ * @method static \Illuminate\Database\Eloquent\Builder abandonedCarts()
+ * @method static \Illuminate\Database\Eloquent\Builder expiredCarts()
+ * @method static \Illuminate\Database\Eloquent\Builder cartsToExpire()
+ * @method static \Illuminate\Database\Eloquent\Builder cartsToDelete()
+ * @method static int expireStaleCarts()
+ * @method static int deleteOldCarts()
+ * 
+ * Configuration:
  * @method static mixed config(string $key, mixed $default = null)
  * @method static string currency()
+ * @method static string formatMoney(int $cents, ?string $currency = null)
  */
 class Shop extends Facade
 {
diff --git a/src/Models/Cart.php b/src/Models/Cart.php
index a384a21..6daf3ad 100644
--- a/src/Models/Cart.php
+++ b/src/Models/Cart.php
@@ -69,11 +69,143 @@ class Cart extends Model
 
     protected static function booted()
     {
+        // Auto-update last_activity_at on creation
+        static::creating(function ($cart) {
+            if (empty($cart->last_activity_at)) {
+                $cart->last_activity_at = now();
+            }
+        });
+
         static::deleting(function ($cart) {
             $cart->items()->delete();
         });
     }
 
+    /**
+     * Touch the cart's last activity timestamp.
+     * Call this whenever there's activity on the cart.
+     */
+    public function touchActivity(): self
+    {
+        $this->last_activity_at = now();
+        $this->saveQuietly(); // Don't trigger events
+        return $this;
+    }
+
+    /**
+     * Check if the cart has expired.
+     * Checks both explicit expires_at and activity-based expiration.
+     */
+    public function isExpired(): bool
+    {
+        // Check if status is explicitly expired
+        if ($this->status === CartStatus::EXPIRED) {
+            return true;
+        }
+
+        // Check if explicitly expired via expires_at column
+        if ($this->expires_at && $this->expires_at->lt(now())) {
+            return true;
+        }
+
+        // Check activity-based expiration
+        $expirationMinutes = config('shop.cart.expiration_minutes', 60);
+        $lastActivity = $this->last_activity_at ?? $this->updated_at;
+
+        return $lastActivity && $lastActivity->lt(now()->subMinutes($expirationMinutes));
+    }
+
+    /**
+     * Scope to get active (non-expired, non-converted) carts.
+     */
+    public function scopeActive($query)
+    {
+        return $query->whereNull('converted_at')
+            ->where(function ($q) {
+                $q->whereNull('expires_at')
+                    ->orWhere('expires_at', '>', now());
+            });
+    }
+
+    /**
+     * Check if the cart should be deleted (unused for more than the configured time).
+     */
+    public function shouldBeDeleted(): bool
+    {
+        // Never delete converted carts
+        if ($this->converted_at || $this->status === CartStatus::CONVERTED) {
+            return false;
+        }
+
+        $deletionHours = config('shop.cart.deletion_hours', 24);
+        $lastActivity = $this->last_activity_at ?? $this->updated_at;
+
+        return $lastActivity && $lastActivity->lt(now()->subHours($deletionHours));
+    }
+
+    /**
+     * Mark the cart as expired.
+     */
+    public function markAsExpired(): self
+    {
+        $this->status = CartStatus::EXPIRED;
+        $this->save();
+        return $this;
+    }
+
+    /**
+     * Mark the cart as abandoned.
+     */
+    public function markAsAbandoned(): self
+    {
+        $this->status = CartStatus::ABANDONED;
+        $this->save();
+        return $this;
+    }
+
+    /**
+     * Scope to get carts that should expire (inactive for more than configured time).
+     */
+    public function scopeShouldExpire($query)
+    {
+        $expirationMinutes = config('shop.cart.expiration_minutes', 60);
+
+        return $query->where('status', CartStatus::ACTIVE->value)
+            ->where(function ($q) use ($expirationMinutes) {
+                $q->where('last_activity_at', '<', now()->subMinutes($expirationMinutes))
+                    ->orWhere(function ($q2) use ($expirationMinutes) {
+                        $q2->whereNull('last_activity_at')
+                            ->where('updated_at', '<', now()->subMinutes($expirationMinutes));
+                    });
+            });
+    }
+
+    /**
+     * Scope to get carts that should be deleted (unused for more than configured time).
+     */
+    public function scopeShouldDelete($query)
+    {
+        $deletionHours = config('shop.cart.deletion_hours', 24);
+
+        return $query->where('status', '!=', CartStatus::CONVERTED->value)
+            ->whereNull('converted_at')
+            ->where(function ($q) use ($deletionHours) {
+                $q->where('last_activity_at', '<', now()->subHours($deletionHours))
+                    ->orWhere(function ($q2) use ($deletionHours) {
+                        $q2->whereNull('last_activity_at')
+                            ->where('updated_at', '<', now()->subHours($deletionHours));
+                    });
+            });
+    }
+
+    /**
+     * Scope to get carts with expired status.
+     */
+    public function scopeWithExpiredStatus($query)
+    {
+        return $query->where('status', CartStatus::EXPIRED->value);
+    }
+
     public function customer(): MorphTo
     {
         return $this->morphTo();
@@ -792,25 +924,11 @@ class Cart extends Model
             ->sum('total_amount');
     }
 
-    public function isExpired(): bool
-    {
-        return $this->expires_at && $this->expires_at->isPast();
-    }
-
     public function isConverted(): bool
     {
         return !is_null($this->converted_at);
     }
 
-    public function scopeActive($query)
-    {
-        return $query->whereNull('converted_at')
-            ->where(function ($q) {
-                $q->whereNull('expires_at')
-                    ->orWhere('expires_at', '>', now());
-            });
-    }
-
     public function scopeForUser($query, $userOrId)
     {
         if (is_object($userOrId)) {
@@ -1252,6 +1370,9 @@ class Cart extends Model
             $cartItem->updateMetaKey('allocated_single_item_name', $poolSingleItem->name);
         }
 
+        // Touch activity timestamp
+        $this->touchActivity();
+
         return $cartItem;
     }
 
@@ -1315,6 +1436,9 @@ class Cart extends Model
             }
         }
 
+        // Touch activity timestamp
+        $this->touchActivity();
+
         return $item ?? true;
     }
 
diff --git a/src/Models/Order.php b/src/Models/Order.php
index b6f8a47..6e42ad6 100644
--- a/src/Models/Order.php
+++ b/src/Models/Order.php
@@ -596,6 +596,212 @@ class Order extends Model
         return $query->whereBetween('created_at', [$from, $until]);
     }
 
+    /**
+     * Scope to filter by payment provider.
+     */
+    public function scopeByPaymentProvider($query, string $provider)
+    {
+        return $query->where('payment_provider', $provider);
+    }
+
+    /**
+     * Scope to filter by payment method.
+     */
+    public function scopeByPaymentMethod($query, string $method)
+    {
+        return $query->where('payment_method', $method);
+    }
+
+    /**
+     * Scope to get orders with refunds.
+     */
+    public function scopeWithRefunds($query)
+    {
+        return $query->where('amount_refunded', '>', 0);
+    }
+
+    /**
+     * Scope to get fully refunded orders.
+     */
+    public function scopeFullyRefunded($query)
+    {
+        return $query->whereColumn('amount_refunded', '>=', 'amount_paid');
+    }
+
+    /**
+     * Scope to get orders created today.
+     */
+    public function scopeToday($query)
+    {
+        return $query->whereDate('created_at', now()->toDateString());
+    }
+
+    /**
+     * Scope to get orders created this week.
+     */
+    public function scopeThisWeek($query)
+    {
+        return $query->whereBetween('created_at', [
+            now()->startOfWeek(),
+            now()->endOfWeek(),
+        ]);
+    }
+
+    /**
+     * Scope to get orders created this month.
+     */
+    public function scopeThisMonth($query)
+    {
+        return $query->whereBetween('created_at', [
+            now()->startOfMonth(),
+            now()->endOfMonth(),
+        ]);
+    }
+
+    /**
+     * Scope to get orders created this year.
+     */
+    public function scopeThisYear($query)
+    {
+        return $query->whereBetween('created_at', [
+            now()->startOfYear(),
+            now()->endOfYear(),
+        ]);
+    }
+
+    // =========================================================================
+    // STATIC SUMMARY METHODS
+    // =========================================================================
+
+    /**
+     * Get total revenue (sum of amount_paid) across all orders.
+     * Returns value in cents.
+     */
+    public static function getTotalRevenue(): int
+    {
+        return (int) static::sum('amount_paid');
+    }
+
+    /**
+     * Get total revenue for a date range.
+     * Returns value in cents.
+     */
+    public static function getRevenueBetween(\DateTimeInterface $from, \DateTimeInterface $until): int
+    {
+        return (int) static::createdBetween($from, $until)->sum('amount_paid');
+    }
+
+    /**
+     * Get total refunded amount across all orders.
+     * Returns value in cents.
+     */
+    public static function getTotalRefunded(): int
+    {
+        return (int) static::sum('amount_refunded');
+    }
+
+    /**
+     * Get net revenue (revenue minus refunds).
+     * Returns value in cents.
+     */
+    public static function getNetRevenue(): int
+    {
+        return static::getTotalRevenue() - static::getTotalRefunded();
+    }
+
+    /**
+     * Get average order value.
+     * Returns value in cents.
+     */
+    public static function getAverageOrderValue(): float
+    {
+        return (float) (static::avg('amount_total') ?? 0);
+    }
+
+    /**
+     * Get order counts by status.
+     */
+    public static function getCountsByStatus(): array
+    {
+        $counts = static::selectRaw('status, COUNT(*) as count')
+            ->groupBy('status')
+            ->pluck('count', 'status')
+            ->toArray();
+
+        // Initialize all statuses with 0
+        $result = [];
+        foreach (OrderStatus::cases() as $status) {
+            $result[$status->value] = $counts[$status->value] ?? 0;
+        }
+
+        return $result;
+    }
+
+    /**
+     * Get revenue summary for a specific period.
+     */
+    public static function getRevenueSummary(\DateTimeInterface $from, \DateTimeInterface $until): array
+    {
+        $query = static::createdBetween($from, $until);
+
+        return [
+            'period' => [
+                'from' => $from->format('Y-m-d H:i:s'),
+                'until' => $until->format('Y-m-d H:i:s'),
+            ],
+            'orders' => [
+                'total' => $query->count(),
+                'completed' => (clone $query)->completed()->count(),
+                'paid' => (clone $query)->paid()->count(),
+                'unpaid' => (clone $query)->unpaid()->count(),
+            ],
+            'revenue' => [
+                'gross' => (int) (clone $query)->sum('amount_total'),
+                'paid' => (int) (clone $query)->sum('amount_paid'),
+                'refunded' => (int) (clone $query)->sum('amount_refunded'),
+                'net' => (int) ((clone $query)->sum('amount_paid') - (clone $query)->sum('amount_refunded')),
+            ],
+            'averages' => [
+                'order_value' => (float) (clone $query)->avg('amount_total') ?? 0,
+                'paid_amount' => (float) (clone $query)->avg('amount_paid') ?? 0,
+            ],
+        ];
+    }
+
+    /**
+     * Get daily revenue breakdown for a date range.
+     */
+    public static function getDailyRevenue(\DateTimeInterface $from, \DateTimeInterface $until): \Illuminate\Support\Collection
+    {
+        return static::createdBetween($from, $until)
+            ->selectRaw('DATE(created_at) as date')
+            ->selectRaw('COUNT(*) as order_count')
+            ->selectRaw('SUM(amount_total) as total_amount')
+            ->selectRaw('SUM(amount_paid) as paid_amount')
+            ->selectRaw('SUM(amount_refunded) as refunded_amount')
+            ->groupBy('date')
+            ->orderBy('date')
+            ->get();
+    }
+
+    /**
+     * Get monthly revenue breakdown for a date range.
+     */
+    public static function getMonthlyRevenue(\DateTimeInterface $from, \DateTimeInterface $until): \Illuminate\Support\Collection
+    {
+        return static::createdBetween($from, $until)
+            ->selectRaw('YEAR(created_at) as year')
+            ->selectRaw('MONTH(created_at) as month')
+            ->selectRaw('COUNT(*) as order_count')
+            ->selectRaw('SUM(amount_total) as total_amount')
+            ->selectRaw('SUM(amount_paid) as paid_amount')
+            ->selectRaw('SUM(amount_refunded) as refunded_amount')
+            ->groupBy('year', 'month')
+            ->orderBy('year')
+            ->orderBy('month')
+            ->get();
+    }
+
     // =========================================================================
     // FACTORY METHODS
     // =========================================================================
diff --git a/src/Models/Product.php b/src/Models/Product.php
index 06487c2..5ee5d42 100644
--- a/src/Models/Product.php
+++ b/src/Models/Product.php
@@ -198,6 +198,144 @@ class Product extends Model implements Purchasable, Cartable
         return true;
     }
 
+    /**
+     * Duplicate/clone this product with all related data.
+     * 
+     * Creates a copy of the product including:
+     * - All basic attributes (with modified slug/sku)
+     * - All prices
+     * - All categories
+     * - All product attributes
+     * - All product relations (related, upsell, cross-sell)
+     * - All children (variants) if includeChildren is true
+     * 
+     * @param array $overrides Attributes to override in the duplicated product
+     * @param bool $includeChildren Whether to duplicate child products (variants)
+     * @param bool $includePrices Whether to duplicate prices
+     * @param bool $includeCategories Whether to duplicate category associations
+     * @param bool $includeAttributes Whether to duplicate product attributes
+     * @param bool $includeRelations Whether to duplicate product relations
+     * @return static The duplicated product
+     */
+    public function duplicate(
+        array $overrides = [],
+        bool $includeChildren = true,
+        bool $includePrices = true,
+        bool $includeCategories = true,
+        bool $includeAttributes = true,
+        bool $includeRelations = true
+    ): static {
+        // Get attributes to duplicate
+        $attributes = $this->attributesToArray();
+
+        // Remove fields that shouldn't be copied
+        unset(
+            $attributes['id'],
+            $attributes['created_at'],
+            $attributes['updated_at'],
+            $attributes['deleted_at'],
+            $attributes['stripe_product_id'], // Stripe ID should be unique
+        );
+
+        // Generate unique slug and SKU
+        $baseSlug = preg_replace('/-copy(-\d+)?$/', '', $this->slug);
+        $suffix = '-copy';
+        $counter = 1;
+
+        while (static::where('slug', $baseSlug . $suffix)->exists()) {
+            $suffix = '-copy-' . ++$counter;
+        }
+        $attributes['slug'] = $baseSlug . $suffix;
+
+        // Handle SKU uniqueness
+        if ($this->sku) {
+            $baseSku = preg_replace('/-COPY(-\d+)?$/i', '', $this->sku);
+            $skuSuffix = '-COPY';
+            $skuCounter = 1;
+
+            while (static::where('sku', $baseSku . $skuSuffix)->exists()) {
+                $skuSuffix = '-COPY-' . ++$skuCounter;
+            }
+            $attributes['sku'] = $baseSku . $skuSuffix;
+        }
+
+        // Set as draft by default
+        $attributes['status'] = ProductStatus::DRAFT->value;
+        $attributes['published_at'] = null;
+
+        // Apply overrides
+        $attributes = array_merge($attributes, $overrides);
+
+        // Create the duplicate product
+        $duplicate = static::create($attributes);
+
+        // Duplicate prices
+        if ($includePrices && method_exists($this, 'prices')) {
+            foreach ($this->prices as $price) {
+                $priceData = $price->attributesToArray();
+                unset(
+                    $priceData['id'],
+                    $priceData['purchasable_id'],
+                    $priceData['purchasable_type'],
+                    $priceData['stripe_price_id'],
+                    $priceData['created_at'],
+                    $priceData['updated_at']
+                );
+
+                $duplicate->prices()->create($priceData);
+            }
+        }
+
+        // Duplicate categories
+        if ($includeCategories && method_exists($this, 'categories')) {
+            $categoryIds = $this->categories->pluck('id')->toArray();
+            if (!empty($categoryIds)) {
+                $duplicate->categories()->sync($categoryIds);
+            }
+        }
+
+        // Duplicate attributes (product attributes, not model attributes)
+        if ($includeAttributes) {
+            foreach ($this->attributes()->get() as $attribute) {
+                $attrData = $attribute->attributesToArray();
+                unset(
+                    $attrData['id'],
+                    $attrData['product_id'],
+                    $attrData['created_at'],
+                    $attrData['updated_at']
+                );
+
+                $duplicate->attributes()->create($attrData);
+            }
+        }
+
+        // Duplicate product relations
+        if ($includeRelations && method_exists($this, 'relatedProducts')) {
+            foreach ($this->relatedProducts as $related) {
+                $duplicate->relatedProducts()->attach($related->id, [
+                    'type' => $related->pivot->type ?? 'related',
+                    'sort_order' => $related->pivot->sort_order ?? 0,
+                ]);
+            }
+        }
+
+        // Duplicate children (variants)
+        if ($includeChildren) {
+            foreach ($this->children as $child) {
+                $child->duplicate(
+                    ['parent_id' => $duplicate->id],
+                    false, // Don't recurse into children's children
+                    $includePrices,
+                    $includeCategories,
+                    $includeAttributes,
+                    $includeRelations
+                );
+            }
+        }
+
+        return $duplicate->fresh();
+    }
+
     public static function getAvailableActions(): array
     {
         return ProductAction::getAvailableActions();
diff --git a/src/Services/ShopService.php b/src/Services/ShopService.php
index 82275c1..f1eb32a 100644
--- a/src/Services/ShopService.php
+++ b/src/Services/ShopService.php
@@ -2,13 +2,22 @@
 
 namespace Blax\Shop\Services;
 
+use Blax\Shop\Enums\OrderStatus;
+use Blax\Shop\Models\Cart;
+use Blax\Shop\Models\Order;
 use Blax\Shop\Models\Product;
 use Blax\Shop\Models\ProductCategory;
+use Blax\Shop\Models\ProductPurchase;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Support\Carbon;
 
 class ShopService
 {
+    // =========================================================================
+    // PRODUCT QUERIES
+    // =========================================================================
+
     /**
      * Get all products query builder
      *
@@ -127,6 +136,414 @@ class ShopService
         return $product->isOnSale();
     }
 
+    // =========================================================================
+    // ORDER QUERIES
+    // =========================================================================
+
+    /**
+     * Get all orders query builder.
+     */
+    public function orders(): Builder
+    {
+        return Order::query();
+    }
+
+    /**
+     * Get an order by ID.
+     */
+    public function order(string $id): ?Order
+    {
+        return Order::find($id);
+    }
+
+    /**
+     * Get an order by order number.
+     */
+    public function orderByNumber(string $orderNumber): ?Order
+    {
+        return Order::where('order_number', $orderNumber)->first();
+    }
+
+    /**
+     * Get orders created today.
+     */
+    public function ordersToday(): Builder
+    {
+        return Order::whereDate('created_at', Carbon::today());
+    }
+
+    /**
+     * Get orders created this week.
+     */
+    public function ordersThisWeek(): Builder
+    {
+        return Order::whereBetween('created_at', [
+            Carbon::now()->startOfWeek(),
+            Carbon::now()->endOfWeek(),
+        ]);
+    }
+
+    /**
+     * Get orders created this month.
+     */
+    public function ordersThisMonth(): Builder
+    {
+        return Order::whereBetween('created_at', [
+            Carbon::now()->startOfMonth(),
+            Carbon::now()->endOfMonth(),
+        ]);
+    }
+
+    /**
+     * Get orders created this year.
+     */
+    public function ordersThisYear(): Builder
+    {
+        return Order::whereBetween('created_at', [
+            Carbon::now()->startOfYear(),
+            Carbon::now()->endOfYear(),
+        ]);
+    }
+
+    /**
+     * Get orders within a specific date range.
+     */
+    public function ordersBetween(\DateTimeInterface $from, \DateTimeInterface $until): Builder
+    {
+        return Order::whereBetween('created_at', [$from, $until]);
+    }
+
+    /**
+     * Get orders with a specific status.
+     */
+    public function ordersWithStatus(OrderStatus $status): Builder
+    {
+        return Order::where('status', $status->value);
+    }
+
+    /**
+     * Get pending orders.
+     */
+    public function pendingOrders(): Builder
+    {
+        return $this->ordersWithStatus(OrderStatus::PENDING);
+    }
+
+    /**
+     * Get processing orders.
+     */
+    public function processingOrders(): Builder
+    {
+        return $this->ordersWithStatus(OrderStatus::PROCESSING);
+    }
+
+    /**
+     * Get completed orders.
+     */
+    public function completedOrders(): Builder
+    {
+        return $this->ordersWithStatus(OrderStatus::COMPLETED);
+    }
+
+    /**
+     * Get cancelled orders.
+     */
+    public function cancelledOrders(): Builder
+    {
+        return $this->ordersWithStatus(OrderStatus::CANCELLED);
+    }
+
+    /**
+     * Get active orders (not in a final state).
+     */
+    public function activeOrders(): Builder
+    {
+        return Order::active();
+    }
+
+    /**
+     * Get paid orders.
+     */
+    public function paidOrders(): Builder
+    {
+        return Order::paid();
+    }
+
+    /**
+     * Get unpaid orders.
+     */
+    public function unpaidOrders(): Builder
+    {
+        return Order::unpaid();
+    }
+
+    // =========================================================================
+    // REVENUE & STATISTICS
+    // =========================================================================
+
+    /**
+     * Get total revenue (sum of amount_paid across all orders).
+     * Returns value in cents.
+     */
+    public function totalRevenue(): int
+    {
+        return (int) Order::sum('amount_paid');
+    }
+
+    /**
+     * Get revenue for today.
+     * Returns value in cents.
+     */
+    public function revenueToday(): int
+    {
+        return (int) $this->ordersToday()->sum('amount_paid');
+    }
+
+    /**
+     * Get revenue for this week.
+     * Returns value in cents.
+     */
+    public function revenueThisWeek(): int
+    {
+        return (int) $this->ordersThisWeek()->sum('amount_paid');
+    }
+
+    /**
+     * Get revenue for this month.
+     * Returns value in cents.
+     */
+    public function revenueThisMonth(): int
+    {
+        return (int) $this->ordersThisMonth()->sum('amount_paid');
+    }
+
+    /**
+     * Get revenue for this year.
+     * Returns value in cents.
+     */
+    public function revenueThisYear(): int
+    {
+        return (int) $this->ordersThisYear()->sum('amount_paid');
+    }
+
+    /**
+     * Get revenue between dates.
+     * Returns value in cents.
+     */
+    public function revenueBetween(\DateTimeInterface $from, \DateTimeInterface $until): int
+    {
+        return (int) $this->ordersBetween($from, $until)->sum('amount_paid');
+    }
+
+    /**
+     * Get total refunded amount.
+     * Returns value in cents.
+     */
+    public function totalRefunded(): int
+    {
+        return (int) Order::sum('amount_refunded');
+    }
+
+    /**
+     * Get net revenue (total revenue minus refunds).
+     * Returns value in cents.
+     */
+    public function netRevenue(): int
+    {
+        return $this->totalRevenue() - $this->totalRefunded();
+    }
+
+    /**
+     * Get average order value.
+     * Returns value in cents.
+     */
+    public function averageOrderValue(): float
+    {
+        return (float) Order::avg('amount_total') ?? 0;
+    }
+
+    /**
+     * Get shop statistics summary.
+     */
+    public function stats(): array
+    {
+        return [
+            'products' => [
+                'total' => Product::count(),
+                'published' => Product::where('status', 'published')->count(),
+                'draft' => Product::where('status', 'draft')->count(),
+                'featured' => Product::where('featured', true)->count(),
+            ],
+            'orders' => [
+                'total' => Order::count(),
+                'pending' => $this->pendingOrders()->count(),
+                'processing' => $this->processingOrders()->count(),
+                'completed' => $this->completedOrders()->count(),
+                'cancelled' => $this->cancelledOrders()->count(),
+                'today' => $this->ordersToday()->count(),
+                'this_week' => $this->ordersThisWeek()->count(),
+                'this_month' => $this->ordersThisMonth()->count(),
+            ],
+            'revenue' => [
+                'total' => $this->totalRevenue(),
+                'today' => $this->revenueToday(),
+                'this_week' => $this->revenueThisWeek(),
+                'this_month' => $this->revenueThisMonth(),
+                'this_year' => $this->revenueThisYear(),
+                'refunded' => $this->totalRefunded(),
+                'net' => $this->netRevenue(),
+                'average_order' => $this->averageOrderValue(),
+            ],
+            'carts' => [
+                'active' => Cart::where('status', 'active')->count(),
+                'abandoned' => Cart::where('status', 'abandoned')->count(),
+                'expired' => Cart::where('status', 'expired')->count(),
+                'converted' => Cart::whereNotNull('converted_at')->count(),
+            ],
+            'categories' => [
+                'total' => ProductCategory::count(),
+            ],
+        ];
+    }
+
+    /**
+     * Get revenue grouped by day for a date range.
+     */
+    public function revenueByDay(\DateTimeInterface $from, \DateTimeInterface $until): \Illuminate\Support\Collection
+    {
+        return Order::whereBetween('created_at', [$from, $until])
+            ->selectRaw('DATE(created_at) as date, SUM(amount_paid) as revenue, COUNT(*) as orders')
+            ->groupBy('date')
+            ->orderBy('date')
+            ->get();
+    }
+
+    /**
+     * Get revenue grouped by month for a date range.
+     */
+    public function revenueByMonth(\DateTimeInterface $from, \DateTimeInterface $until): \Illuminate\Support\Collection
+    {
+        return Order::whereBetween('created_at', [$from, $until])
+            ->selectRaw('YEAR(created_at) as year, MONTH(created_at) as month, SUM(amount_paid) as revenue, COUNT(*) as orders')
+            ->groupBy('year', 'month')
+            ->orderBy('year')
+            ->orderBy('month')
+            ->get();
+    }
+
+    /**
+     * Get top selling products.
+     */
+    public function topProducts(int $limit = 10): Collection
+    {
+        return Product::withCount('purchases')
+            ->orderByDesc('purchases_count')
+            ->limit($limit)
+            ->get();
+    }
+
+    // =========================================================================
+    // CART QUERIES
+    // =========================================================================
+
+    /**
+     * Get all carts query builder.
+     */
+    public function carts(): Builder
+    {
+        return Cart::query();
+    }
+
+    /**
+     * Get active carts.
+     */
+    public function activeCarts(): Builder
+    {
+        return Cart::where('status', 'active');
+    }
+
+    /**
+     * Get abandoned carts.
+     */
+    public function abandonedCarts(): Builder
+    {
+        return Cart::where('status', 'abandoned');
+    }
+
+    /**
+     * Get expired carts.
+     */
+    public function expiredCarts(): Builder
+    {
+        return Cart::where('status', 'expired');
+    }
+
+    /**
+     * Get carts that should be marked as expired (inactive for more than 1 hour).
+     */
+    public function cartsToExpire(): Builder
+    {
+        $expirationMinutes = config('shop.cart.expiration_minutes', 60);
+
+        return Cart::where('status', 'active')
+            ->where(function ($query) use ($expirationMinutes) {
+                $query->where('last_activity_at', '<', Carbon::now()->subMinutes($expirationMinutes))
+                    ->orWhere(function ($q) use ($expirationMinutes) {
+                        $q->whereNull('last_activity_at')
+                            ->where('updated_at', '<', Carbon::now()->subMinutes($expirationMinutes));
+                    });
+            });
+    }
+
+    /**
+     * Get carts that should be deleted (unused for more than 24 hours).
+     */
+    public function cartsToDelete(): Builder
+    {
+        $deletionHours = config('shop.cart.deletion_hours', 24);
+
+        return Cart::where('status', '!=', 'converted')
+            ->whereNull('converted_at')
+            ->where(function ($query) use ($deletionHours) {
+                $query->where('last_activity_at', '<', Carbon::now()->subHours($deletionHours))
+                    ->orWhere(function ($q) use ($deletionHours) {
+                        $q->whereNull('last_activity_at')
+                            ->where('updated_at', '<', Carbon::now()->subHours($deletionHours));
+                    });
+            });
+    }
+
+    /**
+     * Expire stale carts (inactive for more than 1 hour).
+     * Returns the number of carts expired.
+     */
+    public function expireStaleCarts(): int
+    {
+        return $this->cartsToExpire()->update([
+            'status' => 'expired',
+        ]);
+    }
+
+    /**
+     * Delete old unused carts (unused for more than 24 hours).
+     * Returns the number of carts deleted.
+     */
+    public function deleteOldCarts(): int
+    {
+        $carts = $this->cartsToDelete()->get();
+        $count = $carts->count();
+
+        foreach ($carts as $cart) {
+            $cart->forceDelete();
+        }
+
+        return $count;
+    }
+
+    // =========================================================================
+    // CONFIGURATION HELPERS
+    // =========================================================================
+
     /**
      * Get shop configuration value
      *
@@ -148,4 +565,15 @@ class ShopService
     {
         return config('shop.currency', 'USD');
     }
+
+    /**
+     * Format money amount (from cents to display format).
+     */
+    public function formatMoney(int $cents, ?string $currency = null): string
+    {
+        $currency = $currency ?? $this->currency();
+        $amount = $cents / 100;
+
+        return number_format($amount, 2) . ' ' . strtoupper($currency);
+    }
 }
diff --git a/src/ShopServiceProvider.php b/src/ShopServiceProvider.php
index 94385a3..72cb3fc 100644
--- a/src/ShopServiceProvider.php
+++ b/src/ShopServiceProvider.php
@@ -2,7 +2,9 @@
 
 namespace Blax\Shop;
 
+use Blax\Shop\Console\Commands\ShopCleanupCartsCommand;
 use Blax\Shop\Console\Commands\ShopReinstallCommand;
+use Illuminate\Console\Scheduling\Schedule;
 use Illuminate\Support\ServiceProvider;
 
 class ShopServiceProvider extends ServiceProvider
@@ -53,6 +55,7 @@ class ShopServiceProvider extends ServiceProvider
         if ($this->app->runningInConsole()) {
             $this->commands([
                 ShopReinstallCommand::class,
+                ShopCleanupCartsCommand::class,
                 \Blax\Shop\Console\Commands\ReleaseExpiredStocks::class,
                 \Blax\Shop\Console\Commands\ShopListProductsCommand::class,
                 \Blax\Shop\Console\Commands\ShopToggleActionCommand::class,
@@ -63,6 +66,24 @@ class ShopServiceProvider extends ServiceProvider
                 \Blax\Shop\Console\Commands\ShopSetupStripeWebhooksCommand::class,
             ]);
         }
+
+        // Register scheduled tasks
+        $this->callAfterResolving(Schedule::class, function (Schedule $schedule) {
+            // Cleanup carts every hour if auto_cleanup is enabled
+            if (config('shop.cart.auto_cleanup', true)) {
+                $schedule->command('shop:cleanup-carts', ['--force'])
+                    ->hourly()
+                    ->withoutOverlapping()
+                    ->runInBackground();
+            }
+
+            // Release expired stocks every 5 minutes
+            if (config('shop.stock.auto_release_expired', true)) {
+                $schedule->command('shop:release-expired-stocks')
+                    ->everyFiveMinutes()
+                    ->withoutOverlapping();
+            }
+        });
     }
 
     /**
diff --git a/tests/Unit/CartExpirationTest.php b/tests/Unit/CartExpirationTest.php
new file mode 100644
index 0000000..719b71e
--- /dev/null
+++ b/tests/Unit/CartExpirationTest.php
@@ -0,0 +1,306 @@
+<?php
+
+namespace Blax\Shop\Tests\Unit;
+
+use Blax\Shop\Enums\CartStatus;
+use Blax\Shop\Models\Cart;
+use Blax\Shop\Models\Product;
+use Blax\Shop\Tests\TestCase;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use PHPUnit\Framework\Attributes\Test;
+use Workbench\App\Models\User;
+
+class CartExpirationTest extends TestCase
+{
+    use RefreshDatabase;
+
+    #[Test]
+    public function cart_sets_last_activity_at_on_creation()
+    {
+        $cart = Cart::factory()->create();
+
+        $this->assertNotNull($cart->last_activity_at);
+    }
+
+    #[Test]
+    public function adding_to_cart_updates_last_activity_at()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices()->create(['manage_stock' => false]);
+
+        // Create cart with old activity timestamp
+        $cart = Cart::factory()->create([
+            'customer_id' => $user->id,
+            'customer_type' => get_class($user),
+            'last_activity_at' => now()->subHours(2),
+        ]);
+
+        $oldActivityAt = $cart->last_activity_at;
+
+        // Add item to cart
+        $cart->addToCart($product);
+
+        $this->assertTrue($cart->fresh()->last_activity_at->gt($oldActivityAt));
+    }
+
+    #[Test]
+    public function removing_from_cart_updates_last_activity_at()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices()->create(['manage_stock' => false]);
+
+        $cart = Cart::factory()->create([
+            'customer_id' => $user->id,
+            'customer_type' => get_class($user),
+        ]);
+
+        $cart->addToCart($product);
+
+        // Set old activity timestamp
+        $cart->update(['last_activity_at' => now()->subHours(2)]);
+        $oldActivityAt = $cart->fresh()->last_activity_at;
+
+        // Remove item from cart
+        $cart->removeFromCart($product);
+
+        $this->assertTrue($cart->fresh()->last_activity_at->gt($oldActivityAt));
+    }
+
+    #[Test]
+    public function touch_activity_updates_timestamp()
+    {
+        $cart = Cart::factory()->create([
+            'last_activity_at' => now()->subHours(2),
+        ]);
+
+        $oldActivityAt = $cart->last_activity_at;
+
+        $cart->touchActivity();
+
+        $this->assertTrue($cart->last_activity_at->gt($oldActivityAt));
+    }
+
+    #[Test]
+    public function cart_is_expired_after_configured_time()
+    {
+        config(['shop.cart.expiration_minutes' => 60]);
+
+        $cart = Cart::factory()->create([
+            'status' => CartStatus::ACTIVE,
+            'last_activity_at' => now()->subMinutes(61),
+        ]);
+
+        $this->assertTrue($cart->isExpired());
+    }
+
+    #[Test]
+    public function cart_is_not_expired_within_configured_time()
+    {
+        config(['shop.cart.expiration_minutes' => 60]);
+
+        $cart = Cart::factory()->create([
+            'status' => CartStatus::ACTIVE,
+            'last_activity_at' => now()->subMinutes(30),
+        ]);
+
+        $this->assertFalse($cart->isExpired());
+    }
+
+    #[Test]
+    public function cart_with_expired_status_is_expired()
+    {
+        $cart = Cart::factory()->create([
+            'status' => CartStatus::EXPIRED,
+            'last_activity_at' => now(), // Recent activity doesn't matter
+        ]);
+
+        $this->assertTrue($cart->isExpired());
+    }
+
+    #[Test]
+    public function cart_should_be_deleted_after_configured_time()
+    {
+        config(['shop.cart.deletion_hours' => 24]);
+
+        $cart = Cart::factory()->create([
+            'status' => CartStatus::ABANDONED,
+            'last_activity_at' => now()->subHours(25),
+            'converted_at' => null,
+        ]);
+
+        $this->assertTrue($cart->shouldBeDeleted());
+    }
+
+    #[Test]
+    public function cart_should_not_be_deleted_within_configured_time()
+    {
+        config(['shop.cart.deletion_hours' => 24]);
+
+        $cart = Cart::factory()->create([
+            'status' => CartStatus::ABANDONED,
+            'last_activity_at' => now()->subHours(12),
+            'converted_at' => null,
+        ]);
+
+        $this->assertFalse($cart->shouldBeDeleted());
+    }
+
+    #[Test]
+    public function converted_cart_should_never_be_deleted()
+    {
+        config(['shop.cart.deletion_hours' => 24]);
+
+        $cart = Cart::factory()->create([
+            'status' => CartStatus::CONVERTED,
+            'last_activity_at' => now()->subDays(30),
+            'converted_at' => now()->subDays(30),
+        ]);
+
+        $this->assertFalse($cart->shouldBeDeleted());
+    }
+
+    #[Test]
+    public function mark_as_expired_changes_status()
+    {
+        $cart = Cart::factory()->create([
+            'status' => CartStatus::ACTIVE,
+        ]);
+
+        $cart->markAsExpired();
+
+        $this->assertEquals(CartStatus::EXPIRED, $cart->status);
+    }
+
+    #[Test]
+    public function mark_as_abandoned_changes_status()
+    {
+        $cart = Cart::factory()->create([
+            'status' => CartStatus::ACTIVE,
+        ]);
+
+        $cart->markAsAbandoned();
+
+        $this->assertEquals(CartStatus::ABANDONED, $cart->status);
+    }
+
+    #[Test]
+    public function scope_should_expire_returns_correct_carts()
+    {
+        config(['shop.cart.expiration_minutes' => 60]);
+
+        // Should expire - old activity
+        $expiredCart = Cart::factory()->create([
+            'status' => CartStatus::ACTIVE,
+            'last_activity_at' => now()->subHours(2),
+        ]);
+
+        // Should not expire - recent activity
+        $activeCart = Cart::factory()->create([
+            'status' => CartStatus::ACTIVE,
+            'last_activity_at' => now()->subMinutes(30),
+        ]);
+
+        // Should not expire - already expired
+        $alreadyExpiredCart = Cart::factory()->create([
+            'status' => CartStatus::EXPIRED,
+            'last_activity_at' => now()->subHours(2),
+        ]);
+
+        $cartsToExpire = Cart::shouldExpire()->get();
+
+        $this->assertCount(1, $cartsToExpire);
+        $this->assertEquals($expiredCart->id, $cartsToExpire->first()->id);
+    }
+
+    #[Test]
+    public function scope_should_delete_returns_correct_carts()
+    {
+        config(['shop.cart.deletion_hours' => 24]);
+
+        // Should delete - old and not converted
+        $oldCart = Cart::factory()->create([
+            'status' => CartStatus::ABANDONED,
+            'last_activity_at' => now()->subDays(2),
+            'converted_at' => null,
+        ]);
+
+        // Should not delete - recent
+        $recentCart = Cart::factory()->create([
+            'status' => CartStatus::ABANDONED,
+            'last_activity_at' => now()->subHours(12),
+            'converted_at' => null,
+        ]);
+
+        // Should not delete - converted
+        $convertedCart = Cart::factory()->create([
+            'status' => CartStatus::CONVERTED,
+            'last_activity_at' => now()->subDays(2),
+            'converted_at' => now()->subDays(2),
+        ]);
+
+        $cartsToDelete = Cart::shouldDelete()->get();
+
+        $this->assertCount(1, $cartsToDelete);
+        $this->assertEquals($oldCart->id, $cartsToDelete->first()->id);
+    }
+
+    #[Test]
+    public function carts_can_check_if_converted()
+    {
+        $unconvertedCart = Cart::factory()->create([
+            'status' => CartStatus::ACTIVE,
+            'converted_at' => null,
+            'expires_at' => null,
+        ]);
+        $convertedCart = Cart::factory()->create([
+            'status' => CartStatus::CONVERTED,
+            'converted_at' => now(),
+        ]);
+
+        $this->assertFalse($unconvertedCart->isConverted());
+        $this->assertTrue($convertedCart->isConverted());
+    }
+
+    #[Test]
+    public function scope_expired_returns_carts_with_expired_status()
+    {
+        Cart::factory()->create(['status' => CartStatus::ACTIVE]);
+        Cart::factory()->create(['status' => CartStatus::EXPIRED]);
+
+        $expiredCarts = Cart::withExpiredStatus()->get();
+
+        $this->assertCount(1, $expiredCarts);
+    }
+
+    #[Test]
+    public function scope_abandoned_returns_inactive_carts()
+    {
+        config(['shop.cart.expiration_minutes' => 60]);
+
+        // Should be considered abandoned - active but old
+        Cart::factory()->create([
+            'status' => CartStatus::ACTIVE,
+            'last_activity_at' => now()->subHours(2),
+        ]);
+
+        // Should not be considered abandoned - recent activity
+        Cart::factory()->create([
+            'status' => CartStatus::ACTIVE,
+            'last_activity_at' => now()->subMinutes(30),
+        ]);
+
+        $abandonedCarts = Cart::abandoned(60)->get();
+
+        $this->assertCount(1, $abandonedCarts);
+    }
+
+    #[Test]
+    public function is_converted_method_returns_true_for_converted_carts()
+    {
+        $convertedCart = Cart::factory()->create(['converted_at' => now()]);
+        $unconvertedCart = Cart::factory()->create(['converted_at' => null]);
+
+        $this->assertTrue($convertedCart->isConverted());
+        $this->assertFalse($unconvertedCart->isConverted());
+    }
+}
diff --git a/tests/Unit/OrderSummaryTest.php b/tests/Unit/OrderSummaryTest.php
new file mode 100644
index 0000000..e4b9da0
--- /dev/null
+++ b/tests/Unit/OrderSummaryTest.php
@@ -0,0 +1,293 @@
+<?php
+
+namespace Blax\Shop\Tests\Unit;
+
+use Blax\Shop\Enums\OrderStatus;
+use Blax\Shop\Models\Order;
+use Blax\Shop\Models\Product;
+use Blax\Shop\Tests\TestCase;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use PHPUnit\Framework\Attributes\Test;
+use Workbench\App\Models\User;
+
+class OrderSummaryTest extends TestCase
+{
+    use RefreshDatabase;
+
+    #[Test]
+    public function order_can_get_total_revenue()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(5000, 'ref1', 'stripe', 'stripe');
+
+        $user->addToCart($product);
+        $cart2 = $user->checkoutCart();
+        $cart2->order->recordPayment(5000, 'ref2', 'stripe', 'stripe');
+
+        $this->assertEquals(10000, Order::getTotalRevenue());
+    }
+
+    #[Test]
+    public function order_can_get_revenue_between_dates()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 100.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(10000, 'ref1', 'stripe', 'stripe');
+
+        $revenue = Order::getRevenueBetween(
+            now()->subDay(),
+            now()->addDay()
+        );
+
+        $this->assertEquals(10000, $revenue);
+    }
+
+    #[Test]
+    public function order_can_get_total_refunded()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(5000, 'ref1', 'stripe', 'stripe');
+        $cart->order->recordRefund(2000, 'Partial refund');
+
+        $this->assertEquals(2000, Order::getTotalRefunded());
+    }
+
+    #[Test]
+    public function order_can_get_net_revenue()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(5000, 'ref1', 'stripe', 'stripe');
+        $cart->order->recordRefund(1000, 'Partial refund');
+
+        $this->assertEquals(4000, Order::getNetRevenue());
+    }
+
+    #[Test]
+    public function order_can_get_average_order_value()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $user->checkoutCart();
+
+        $user->addToCart($product);
+        $user->checkoutCart();
+
+        // Both orders have 5000 cents total
+        $this->assertEquals(5000.0, Order::getAverageOrderValue());
+    }
+
+    #[Test]
+    public function order_can_get_counts_by_status()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 25.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        // Create pending order
+        $user->addToCart($product);
+        $user->checkoutCart();
+
+        // Create processing order
+        $user->addToCart($product);
+        $cart2 = $user->checkoutCart();
+        $cart2->order->markAsProcessing();
+
+        // Create completed order
+        $user->addToCart($product);
+        $cart3 = $user->checkoutCart();
+        $cart3->order->forceStatus(OrderStatus::COMPLETED);
+
+        $counts = Order::getCountsByStatus();
+
+        $this->assertEquals(1, $counts['pending']);
+        $this->assertEquals(1, $counts['processing']);
+        $this->assertEquals(1, $counts['completed']);
+    }
+
+    #[Test]
+    public function order_can_get_revenue_summary()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(5000, 'ref1', 'stripe', 'stripe');
+        $cart->order->recordRefund(1000, 'Partial refund');
+
+        $summary = Order::getRevenueSummary(now()->subDay(), now()->addDay());
+
+        $this->assertArrayHasKey('period', $summary);
+        $this->assertArrayHasKey('orders', $summary);
+        $this->assertArrayHasKey('revenue', $summary);
+        $this->assertArrayHasKey('averages', $summary);
+
+        $this->assertEquals(1, $summary['orders']['total']);
+        $this->assertEquals(5000, $summary['revenue']['paid']);
+        $this->assertEquals(1000, $summary['revenue']['refunded']);
+        $this->assertEquals(4000, $summary['revenue']['net']);
+    }
+
+    #[Test]
+    public function order_can_get_daily_revenue()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(5000, 'ref1', 'stripe', 'stripe');
+
+        $dailyRevenue = Order::getDailyRevenue(now()->subDays(7), now()->addDay());
+
+        $this->assertCount(1, $dailyRevenue);
+        $this->assertEquals(1, $dailyRevenue->first()->order_count);
+        $this->assertEquals(5000, $dailyRevenue->first()->paid_amount);
+    }
+
+    #[Test]
+    public function order_scope_today_returns_todays_orders()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 25.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $user->checkoutCart();
+
+        $this->assertCount(1, Order::today()->get());
+    }
+
+    #[Test]
+    public function order_scope_this_week_returns_this_weeks_orders()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 25.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $user->checkoutCart();
+
+        $this->assertCount(1, Order::thisWeek()->get());
+    }
+
+    #[Test]
+    public function order_scope_this_month_returns_this_months_orders()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 25.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $user->checkoutCart();
+
+        $this->assertCount(1, Order::thisMonth()->get());
+    }
+
+    #[Test]
+    public function order_scope_by_payment_provider_returns_filtered_orders()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 25.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(2500, 'ref1', 'card', 'stripe');
+
+        $user->addToCart($product);
+        $cart2 = $user->checkoutCart();
+        $cart2->order->recordPayment(2500, 'ref2', 'bank_transfer', 'paypal');
+
+        $stripeOrders = Order::byPaymentProvider('stripe')->get();
+        $paypalOrders = Order::byPaymentProvider('paypal')->get();
+
+        $this->assertCount(1, $stripeOrders);
+        $this->assertCount(1, $paypalOrders);
+    }
+
+    #[Test]
+    public function order_scope_with_refunds_returns_orders_with_refunds()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        // Order with refund
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(5000, 'ref1', 'stripe', 'stripe');
+        $cart->order->recordRefund(1000, 'Partial refund');
+
+        // Order without refund
+        $user->addToCart($product);
+        $cart2 = $user->checkoutCart();
+        $cart2->order->recordPayment(5000, 'ref2', 'stripe', 'stripe');
+
+        $ordersWithRefunds = Order::withRefunds()->get();
+
+        $this->assertCount(1, $ordersWithRefunds);
+    }
+
+    #[Test]
+    public function order_scope_fully_refunded_returns_fully_refunded_orders()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        // Fully refunded order
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(5000, 'ref1', 'stripe', 'stripe');
+        $cart->order->recordRefund(5000, 'Full refund');
+
+        // Partially refunded order
+        $user->addToCart($product);
+        $cart2 = $user->checkoutCart();
+        $cart2->order->recordPayment(5000, 'ref2', 'stripe', 'stripe');
+        $cart2->order->recordRefund(1000, 'Partial refund');
+
+        $fullyRefundedOrders = Order::fullyRefunded()->get();
+
+        $this->assertCount(1, $fullyRefundedOrders);
+    }
+}
diff --git a/tests/Unit/ProductDuplicateTest.php b/tests/Unit/ProductDuplicateTest.php
new file mode 100644
index 0000000..7ec4c2b
--- /dev/null
+++ b/tests/Unit/ProductDuplicateTest.php
@@ -0,0 +1,226 @@
+<?php
+
+namespace Blax\Shop\Tests\Unit;
+
+use Blax\Shop\Enums\ProductStatus;
+use Blax\Shop\Models\Product;
+use Blax\Shop\Models\ProductCategory;
+use Blax\Shop\Tests\TestCase;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use PHPUnit\Framework\Attributes\Test;
+
+class ProductDuplicateTest extends TestCase
+{
+    use RefreshDatabase;
+
+    #[Test]
+    public function product_can_be_duplicated()
+    {
+        $product = Product::factory()->create([
+            'name' => 'Original Product',
+            'slug' => 'original-product',
+        ]);
+
+        $duplicate = $product->duplicate();
+
+        $this->assertNotEquals($product->id, $duplicate->id);
+        $this->assertEquals('Original Product', $duplicate->name);
+        $this->assertEquals('original-product-copy', $duplicate->slug);
+        $this->assertEquals(ProductStatus::DRAFT, $duplicate->status);
+    }
+
+    #[Test]
+    public function duplicate_generates_unique_slug()
+    {
+        $product = Product::factory()->create([
+            'slug' => 'test-product',
+        ]);
+
+        $duplicate1 = $product->duplicate();
+        $duplicate2 = $product->duplicate();
+
+        $this->assertEquals('test-product-copy', $duplicate1->slug);
+        $this->assertEquals('test-product-copy-2', $duplicate2->slug);
+    }
+
+    #[Test]
+    public function duplicate_generates_unique_sku()
+    {
+        $product = Product::factory()->create([
+            'sku' => 'SKU-001',
+        ]);
+
+        $duplicate1 = $product->duplicate();
+        $duplicate2 = $product->duplicate();
+
+        $this->assertEquals('SKU-001-COPY', $duplicate1->sku);
+        $this->assertEquals('SKU-001-COPY-2', $duplicate2->sku);
+    }
+
+    #[Test]
+    public function duplicate_includes_prices()
+    {
+        $product = Product::factory()->withPrices(unit_amount: 25.00)->create();
+
+        $duplicate = $product->duplicate();
+
+        $this->assertCount(1, $duplicate->prices);
+        // Factory stores price in dollars, so 25.00 stays as 25.00 (in cents it would be 2500)
+        $this->assertEquals($product->prices->first()->unit_amount, $duplicate->prices->first()->unit_amount);
+    }
+
+    #[Test]
+    public function duplicate_can_exclude_prices()
+    {
+        $product = Product::factory()->withPrices(unit_amount: 25.00)->create();
+
+        $duplicate = $product->duplicate(includePrices: false);
+
+        $this->assertCount(0, $duplicate->prices);
+    }
+
+    #[Test]
+    public function duplicate_includes_categories()
+    {
+        $product = Product::factory()->create();
+        $category = ProductCategory::factory()->create();
+        $product->categories()->attach($category);
+
+        $duplicate = $product->duplicate();
+
+        $this->assertCount(1, $duplicate->categories);
+        $this->assertEquals($category->id, $duplicate->categories->first()->id);
+    }
+
+    #[Test]
+    public function duplicate_can_exclude_categories()
+    {
+        $product = Product::factory()->create();
+        $category = ProductCategory::factory()->create();
+        $product->categories()->attach($category);
+
+        $duplicate = $product->duplicate(includeCategories: false);
+
+        $this->assertCount(0, $duplicate->categories);
+    }
+
+    #[Test]
+    public function duplicate_includes_attributes()
+    {
+        $product = Product::factory()->create();
+        $product->attributes()->create([
+            'key' => 'color',
+            'value' => 'red',
+            'type' => 'text',
+        ]);
+
+        $duplicate = $product->duplicate();
+
+        $this->assertCount(1, $duplicate->attributes);
+        $this->assertEquals('color', $duplicate->attributes->first()->key);
+        $this->assertEquals('red', $duplicate->attributes->first()->value);
+    }
+
+    #[Test]
+    public function duplicate_can_exclude_attributes()
+    {
+        $product = Product::factory()->create();
+        $product->attributes()->create([
+            'key' => 'color',
+            'value' => 'red',
+            'type' => 'text',
+        ]);
+
+        $duplicate = $product->duplicate(includeAttributes: false);
+
+        $this->assertCount(0, $duplicate->attributes);
+    }
+
+    #[Test]
+    public function duplicate_can_override_attributes()
+    {
+        $product = Product::factory()->create([
+            'name' => 'Original Name',
+        ]);
+
+        $duplicate = $product->duplicate([
+            'name' => 'New Name',
+        ]);
+
+        $this->assertEquals('New Name', $duplicate->name);
+    }
+
+    #[Test]
+    public function duplicate_does_not_copy_stripe_product_id()
+    {
+        $product = Product::factory()->create([
+            'stripe_product_id' => 'prod_abc123',
+        ]);
+
+        $duplicate = $product->duplicate();
+
+        $this->assertNull($duplicate->stripe_product_id);
+    }
+
+    #[Test]
+    public function duplicate_sets_status_to_draft()
+    {
+        $product = Product::factory()->create([
+            'status' => ProductStatus::PUBLISHED,
+        ]);
+
+        $duplicate = $product->duplicate();
+
+        $this->assertEquals(ProductStatus::DRAFT, $duplicate->status);
+        $this->assertNull($duplicate->published_at);
+    }
+
+    #[Test]
+    public function duplicate_includes_children()
+    {
+        $parent = Product::factory()->create([
+            'slug' => 'parent-product',
+        ]);
+
+        $child = Product::factory()->create([
+            'parent_id' => $parent->id,
+            'slug' => 'child-variant',
+        ]);
+
+        $duplicate = $parent->duplicate();
+
+        $this->assertCount(1, $duplicate->children);
+        $this->assertEquals($duplicate->id, $duplicate->children->first()->parent_id);
+    }
+
+    #[Test]
+    public function duplicate_can_exclude_children()
+    {
+        $parent = Product::factory()->create();
+
+        $child = Product::factory()->create([
+            'parent_id' => $parent->id,
+        ]);
+
+        $duplicate = $parent->duplicate(includeChildren: false);
+
+        $this->assertCount(0, $duplicate->children);
+    }
+
+    #[Test]
+    public function duplicate_does_not_copy_stripe_price_id()
+    {
+        $product = Product::factory()->create();
+        $product->prices()->create([
+            'name' => 'Default Price',
+            'unit_amount' => 2500,
+            'currency' => 'USD',
+            'is_default' => true,
+            'stripe_price_id' => 'price_abc123',
+        ]);
+
+        $duplicate = $product->duplicate();
+
+        $this->assertNull($duplicate->prices->first()->stripe_price_id);
+    }
+}
diff --git a/tests/Unit/ShopServiceTest.php b/tests/Unit/ShopServiceTest.php
new file mode 100644
index 0000000..6339932
--- /dev/null
+++ b/tests/Unit/ShopServiceTest.php
@@ -0,0 +1,274 @@
+<?php
+
+namespace Blax\Shop\Tests\Unit;
+
+use Blax\Shop\Enums\OrderStatus;
+use Blax\Shop\Facades\Shop;
+use Blax\Shop\Models\Cart;
+use Blax\Shop\Models\Order;
+use Blax\Shop\Models\Product;
+use Blax\Shop\Tests\TestCase;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use PHPUnit\Framework\Attributes\Test;
+use Workbench\App\Models\User;
+
+class ShopServiceTest extends TestCase
+{
+    use RefreshDatabase;
+
+    #[Test]
+    public function shop_facade_can_get_products()
+    {
+        Product::factory()->count(3)->create();
+
+        $this->assertCount(3, Shop::products()->get());
+    }
+
+    #[Test]
+    public function shop_facade_can_get_single_product()
+    {
+        $product = Product::factory()->create();
+
+        $found = Shop::product($product->id);
+
+        $this->assertNotNull($found);
+        $this->assertEquals($product->id, $found->id);
+    }
+
+    #[Test]
+    public function shop_facade_can_get_orders()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $user->checkoutCart();
+
+        $this->assertCount(1, Shop::orders()->get());
+    }
+
+    #[Test]
+    public function shop_facade_can_get_order_by_number()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $order = $cart->order;
+
+        $found = Shop::orderByNumber($order->order_number);
+
+        $this->assertNotNull($found);
+        $this->assertEquals($order->id, $found->id);
+    }
+
+    #[Test]
+    public function shop_facade_can_get_orders_today()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 25.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $user->checkoutCart();
+
+        $this->assertCount(1, Shop::ordersToday()->get());
+    }
+
+    #[Test]
+    public function shop_facade_can_get_orders_this_week()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 25.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $user->checkoutCart();
+
+        $this->assertCount(1, Shop::ordersThisWeek()->get());
+    }
+
+    #[Test]
+    public function shop_facade_can_get_orders_this_month()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 25.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $user->checkoutCart();
+
+        $this->assertCount(1, Shop::ordersThisMonth()->get());
+    }
+
+    #[Test]
+    public function shop_facade_can_get_pending_orders()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 25.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $user->checkoutCart();
+
+        $this->assertCount(1, Shop::pendingOrders()->get());
+    }
+
+    #[Test]
+    public function shop_facade_can_calculate_total_revenue()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(5000, 'ref123', 'stripe', 'stripe');
+
+        $this->assertEquals(5000, Shop::totalRevenue());
+    }
+
+    #[Test]
+    public function shop_facade_can_calculate_revenue_today()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 100.00)->create([
+            'manage_stock' => false,
+        ]);
+
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(10000, 'ref123', 'stripe', 'stripe');
+
+        $this->assertEquals(10000, Shop::revenueToday());
+    }
+
+    #[Test]
+    public function shop_facade_can_get_stats()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices(unit_amount: 50.00)->create([
+            'manage_stock' => false,
+            'status' => 'published',
+        ]);
+
+        $user->addToCart($product);
+        $cart = $user->checkoutCart();
+        $cart->order->recordPayment(5000, 'ref123', 'stripe', 'stripe');
+
+        $stats = Shop::stats();
+
+        $this->assertArrayHasKey('products', $stats);
+        $this->assertArrayHasKey('orders', $stats);
+        $this->assertArrayHasKey('revenue', $stats);
+        $this->assertArrayHasKey('carts', $stats);
+        $this->assertEquals(1, $stats['products']['total']);
+        $this->assertEquals(1, $stats['orders']['total']);
+        $this->assertEquals(5000, $stats['revenue']['total']);
+    }
+
+    #[Test]
+    public function shop_facade_can_format_money()
+    {
+        $formatted = Shop::formatMoney(12345);
+
+        $this->assertEquals('123.45 USD', $formatted);
+    }
+
+    #[Test]
+    public function shop_facade_can_format_money_with_custom_currency()
+    {
+        $formatted = Shop::formatMoney(9999, 'EUR');
+
+        $this->assertEquals('99.99 EUR', $formatted);
+    }
+
+    #[Test]
+    public function shop_facade_can_get_top_products()
+    {
+        $product1 = Product::factory()->withPrices()->create(['manage_stock' => false]);
+        $product2 = Product::factory()->withPrices()->create(['manage_stock' => false]);
+
+        $user = User::factory()->create();
+
+        // Buy product1 three times
+        for ($i = 0; $i < 3; $i++) {
+            $user->addToCart($product1);
+            $user->checkoutCart();
+        }
+
+        // Buy product2 once
+        $user->addToCart($product2);
+        $user->checkoutCart();
+
+        $topProducts = Shop::topProducts(2);
+
+        $this->assertCount(2, $topProducts);
+        $this->assertEquals($product1->id, $topProducts->first()->id);
+    }
+
+    #[Test]
+    public function shop_facade_can_get_active_carts()
+    {
+        $user = User::factory()->create();
+        $product = Product::factory()->withPrices()->create(['manage_stock' => false]);
+
+        $user->addToCart($product);
+
+        $this->assertCount(1, Shop::activeCarts()->get());
+    }
+
+    #[Test]
+    public function shop_facade_can_expire_stale_carts()
+    {
+        $cart = Cart::factory()->create([
+            'status' => 'active',
+            'last_activity_at' => now()->subHours(2), // 2 hours ago
+        ]);
+
+        $expiredCount = Shop::expireStaleCarts();
+
+        $this->assertEquals(1, $expiredCount);
+        $this->assertEquals('expired', $cart->fresh()->status->value);
+    }
+
+    #[Test]
+    public function shop_facade_can_delete_old_carts()
+    {
+        $cart = Cart::factory()->create([
+            'status' => 'abandoned',
+            'last_activity_at' => now()->subDays(2), // 2 days ago
+            'converted_at' => null,
+        ]);
+
+        $deletedCount = Shop::deleteOldCarts();
+
+        $this->assertEquals(1, $deletedCount);
+        $this->assertNull(Cart::find($cart->id));
+    }
+
+    #[Test]
+    public function shop_facade_does_not_delete_converted_carts()
+    {
+        $cart = Cart::factory()->create([
+            'status' => 'converted',
+            'last_activity_at' => now()->subDays(2), // 2 days ago
+            'converted_at' => now()->subDay(),
+        ]);
+
+        $deletedCount = Shop::deleteOldCarts();
+
+        $this->assertEquals(0, $deletedCount);
+        $this->assertNotNull(Cart::find($cart->id));
+    }
+}