feat: snapshot cart loading shopping cart

Author: vaened

src/Carts/SnapshotCart.php

@@ -7,77 +7,29 @@
 
 namespace Vaened\SwiftCart\Carts;
 
-use Vaened\PriceEngine\AdjustmentManager;
-use Vaened\SwiftCart\Entities\Identifiable;
-use Vaened\SwiftCart\Entities\TradedCommercialTransaction;
-use Vaened\SwiftCart\Items\ImmutableCartItem;
+use Vaened\PriceEngine\Adjustments\Tax\Taxes;
+use Vaened\SwiftCart\Entities\RegisteredCommercialTransaction;
+use Vaened\SwiftCart\Items\CommerceableCartItem;
 use Vaened\SwiftCart\Items\ImmutableCartItems;
-use Vaened\SwiftCart\NotFoundItem;
-use Vaened\SwiftCart\Summary;
 
-final class SnapshotCart extends SwiftCart
+final class SnapshotCart extends ShoppingCart
 {
-    private readonly ImmutableCartItems $immutables;
-
-    private readonly ImmutableCartItems $items;
-
-    private readonly AdjustmentManager  $charges;
-
-    private readonly AdjustmentManager  $discounts;
-
-    public function __construct(TradedCommercialTransaction $transaction)
-    {
-        $this->immutables = $transaction->items()->toImmutables();
-        $this->items      = new ImmutableCartItems([]);
-        $this->charges    = $this->createManagerOf($transaction->charges());
-        $this->discounts  = $this->createManagerOf($transaction->discounts());
-    }
-
-    public function locate(Identifiable $identifiable): ?ImmutableCartItem
-    {
-        return $this->staging()->locate($identifiable);
-    }
-
-    public function pull(Identifiable $item): ImmutableCartItem
-    {
-        $immutableItem = $this->immutables->locate($item);
-        $this->ensureValidItem($immutableItem);
-
-        $this->staging()->push($immutableItem);
-
-        return $immutableItem;
-    }
-
-    public function pullAll(): void
-    {
-        $immutables = $this->immutables->except($this->staging());
-        $this->staging()->combine($immutables);
-    }
-
-    public function summary(): Summary
-    {
-        return $this->totalizer()->summary();
-    }
-
-    protected function staging(): ImmutableCartItems
-    {
-        return $this->items;
-    }
-
-    protected function globalChargesManager(): AdjustmentManager
+    public function __construct(RegisteredCommercialTransaction $transaction, Taxes $taxes = new Taxes([]))
     {
-        return $this->charges;
+        parent::__construct($taxes);
+        $this->pullAll($transaction->items()->toImmutables());
+        $this->addAsGlobal(...$transaction->charges()->items());
+        $this->applyAsGlobal(...$transaction->discounts()->items());
     }
 
-    protected function globalDiscountsManager(): AdjustmentManager
+    private function pullAll(ImmutableCartItems $items): void
     {
-        return $this->discounts;
+        $items->toCommerceables()
+              ->each($this->attachAll());
     }
 
-    private function ensureValidItem(?ImmutableCartItem $item): void
+    private function attachAll(): callable
     {
-        if (null === $item) {
-            throw new NotFoundItem();
-        }
+        return fn(CommerceableCartItem $commerceable) => $this->attach($commerceable);
     }
 }

src/Entities/TradedCommercialTransaction.php renamed to src/Entities/RegisteredCommercialTransaction.php

@@ -7,7 +7,7 @@
 
 namespace Vaened\SwiftCart\Entities;
 
-interface TradedCommercialTransaction extends Discountable, Chargeable
+interface RegisteredCommercialTransaction extends Discountable, Chargeable
 {
     public function items(): CommercialTransactionItems;
 }

tests/Utils/Billing/Invoice.php

@@ -10,12 +10,12 @@
 use Vaened\PriceEngine\Adjustments\Adjusters;
 use Vaened\PriceEngine\Adjustments\Charge;
 use Vaened\PriceEngine\Adjustments\Discount;
-use Vaened\SwiftCart\Entities\TradedCommercialTransaction;
+use Vaened\SwiftCart\Entities\RegisteredCommercialTransaction;
 use Vaened\SwiftCart\Entities\CommercialTransactionItems;
 
 use function Lambdish\Phunctional\each;
 
-final class Invoice implements TradedCommercialTransaction
+final class Invoice implements RegisteredCommercialTransaction
 {
     private readonly Adjusters $charges;