Tiered pricing (#305)

* feat(Price):  Add Price Tiers to price

* test(PriceTier): test PriceTiers for add update and remove LineItems

* WIP: tiered price review changes

Author: Jens Schulze

src/Model/Common/Price.php

@@ -32,6 +32,8 @@
  * @method Price setValidUntil(DateTime $validUntil = null)
  * @method CustomFieldObject getCustom()
  * @method Price setCustom(CustomFieldObject $custom = null)
+ * @method PriceTierCollection getTiers()
+ * @method Price setTiers(PriceTierCollection $tiers = null)
  */
 class Price extends JsonObject
 {
@@ -44,6 +46,7 @@ class Price extends JsonObject
     const VALID_UNTIL = 'validUntil';
     const DISCOUNTED = 'discounted';
     const CUSTOM = 'custom';
+    const TIERS = 'tiers';
 
     public function fieldDefinitions()
     {
@@ -63,6 +66,7 @@ public function fieldDefinitions()
             ],
             static::DISCOUNTED => [self::TYPE => DiscountedPrice::class],
             static::CUSTOM => [static::TYPE => CustomFieldObject::class],
+            static::TIERS => [static::TYPE => PriceTierCollection::class]
         ];
     }
 

src/Model/Common/PriceDraft.php

@@ -27,6 +27,8 @@
  * @method PriceDraft setValidUntil(DateTime $validUntil = null)
  * @method CustomFieldObject getCustom()
  * @method PriceDraft setCustom(CustomFieldObject $custom = null)
+ * @method PriceTierCollection getTiers()
+ * @method PriceDraft setTiers(PriceTierCollection $tiers = null)
  */
 class PriceDraft extends JsonObject
 {
@@ -38,6 +40,7 @@ class PriceDraft extends JsonObject
     const VALID_UNTIL = 'validUntil';
     const DISCOUNTED = 'discounted';
     const CUSTOM = 'custom';
+    const TIERS = 'tiers';
 
     public function fieldDefinitions()
     {
@@ -55,6 +58,7 @@ public function fieldDefinitions()
                 self::DECORATOR => DateTimeDecorator::class
             ],
             static::CUSTOM => [static::TYPE => CustomFieldObject::class],
+            static::TIERS => [static::TYPE => PriceTierCollection::class]
         ];
     }
 

src/Model/Common/PriceTier.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Commercetools\Core\Model\Common;
+
+/**
+ * @package Commercetools\Core\Model\Common
+ *
+ * @method int getMinimumQuantity()
+ * @method PriceTier setMinimumQuantity(int $minimumQuantity = null)
+ * @method Money getValue()
+ * @method PriceTier setValue(Money $value = null)
+ */
+class PriceTier extends JsonObject
+{
+    const MINIMUMQUANTITY = 'minimumQuantity';
+    const VALUE = 'value';
+
+    public function fieldDefinitions()
+    {
+        return [
+            static::MINIMUMQUANTITY => [static::TYPE => 'int'],
+            static::VALUE => [self::TYPE => Money::class]
+        ];
+    }
+    /**
+     * @param int $quantity
+     * @param Money $money
+     * @param Context|callable $context
+     * @return PriceTier
+     */
+    public static function ofQuantityAndMoney($quantity, Money $money, $context = null)
+    {
+        return static::of($context)->setValue($money)->setMinimumQuantity($quantity);
+    }
+}

src/Model/Common/PriceTierCollection.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Commercetools\Core\Model\Common;
+
+/**
+ * @package Commercetools\Core\Model\Common
+ *
+ * @method PriceTierCollection add(PriceTier $element)
+ * @method PriceTier current()
+ * @method PriceTier getAt($offset)
+ */
+class PriceTierCollection extends Collection
+{
+    protected $type = PriceTier::class;
+}

src/Request/ShoppingLists/Command/ShoppingListSetDeleteDaysAfterLastModificationAction.php

@@ -1,10 +1,4 @@
 <?php
-/**
- * Created by PhpStorm.
- * User: ibrahimselim
- * Date: 16/03/17
- * Time: 15:02
- */
 
 namespace Commercetools\Core\Request\ShoppingLists\Command;
 

tests/fixtures/models.yaml

@@ -273,6 +273,7 @@ price:
     - validUntil
     - discounted
     - custom
+    - tiers
 
 customer:
   domain: customer

tests/integration/ApiTestCase.php

@@ -108,10 +108,11 @@
 use Monolog\Handler\ErrorLogHandler;
 use Monolog\Handler\StreamHandler;
 use Monolog\Logger;
+use PHPUnit\Framework\TestCase;
 use Psr\Log\LogLevel;
 use Symfony\Component\Yaml\Yaml;
 
-class ApiTestCase extends \PHPUnit\Framework\TestCase
+class ApiTestCase extends TestCase
 {
     private static $testRun;
     private static $client = [];
@@ -606,10 +607,13 @@ protected function getProductDraft()
         return $draft;
     }
 
-    protected function getProduct()
+    protected function getProduct(ProductDraft $draft = null)
     {
         if (is_null($this->product)) {
-            $request = ProductCreateRequest::ofDraft($this->getProductDraft());
+            if (is_null($draft)) {
+                $draft = $this->getProductDraft();
+            }
+            $request = ProductCreateRequest::ofDraft($draft);
             $response = $request->executeWithClient($this->getClient());
             $product = $request->mapResponse($response);
             $request = ProductUpdateRequest::ofIdAndVersion($product->getId(), $product->getVersion())

tests/integration/Cart/CartUpdateRequestTest.php

@@ -23,6 +23,8 @@
 use Commercetools\Core\Model\Common\Money;
 use Commercetools\Core\Model\Common\MoneyCollection;
 use Commercetools\Core\Model\Common\PriceDraft;
+use Commercetools\Core\Model\Common\PriceTier;
+use Commercetools\Core\Model\Common\PriceTierCollection;
 use Commercetools\Core\Model\CustomField\CustomFieldObject;
 use Commercetools\Core\Model\CustomField\CustomFieldObjectDraft;
 use Commercetools\Core\Model\CustomField\FieldContainer;
@@ -1161,6 +1163,98 @@ public function testAutomaticDelete()
         $this->assertSame(2, $cart->getDeleteDaysAfterLastModification());
     }
 
+    public function testPriceTiersOnAddLineItem()
+    {
+        $productDraft = $this->getProductDraft();
+        $productDraft->getMasterVariant()->getPrices()->current()->setTiers(PriceTierCollection::of()
+            ->add(
+                PriceTier::of()->setValue(Money::ofCurrencyAndAmount('EUR', 10))->setMinimumQuantity(2)
+            )
+            ->add(
+                PriceTier::of()->setValue(Money::ofCurrencyAndAmount('EUR', 1))->setMinimumQuantity(3)
+            )
+        );
+        $product = $this->getProduct($productDraft);
+        $variant = $product->getMasterData()->getCurrent()->getMasterVariant();
+
+        $draft = $this->getDraft();
+        $draft->setLineItems(
+            LineItemDraftCollection::of()
+                ->add(LineItemDraft::of()->setProductId($product->getId())->setVariantId($variant->getId())->setQuantity(1))
+        );
+        $cart = $this->createCart($draft);
+
+        $this->deleteRequest->setVersion($cart->getVersion());
+
+        $this->assertSame($product->getId(), $cart->getLineItems()->current()->getProductId());
+        $this->assertSame(
+            $product->getProductType()->getId(),
+            $cart->getLineItems()->current()->getProductType()->getId()
+        );
+        $this->assertSame(
+            100,
+            $cart->getLineItems()->current()->getPrice()->getValue()->getCentAmount()
+        );
+
+        $request = CartUpdateRequest::ofIdAndVersion($cart->getId(), $cart->getVersion())
+            ->addAction(
+                CartAddLineItemAction::ofProductIdVariantIdAndQuantity($product->getId(), $variant->getId(), 1)
+            );
+
+        $response = $request->executeWithClient($this->getClient());
+        $cart = $request->mapResponse($response);
+        $this->deleteRequest->setVersion($cart->getVersion());
+
+        $this->assertSame($product->getId(), $cart->getLineItems()->current()->getProductId());
+        $this->assertSame(
+            $product->getProductType()->getId(),
+            $cart->getLineItems()->current()->getProductType()->getId()
+        );
+        $this->assertSame(
+            10,
+            $cart->getLineItems()->current()->getPrice()->getValue()->getCentAmount()
+        );
+
+        $request = CartUpdateRequest::ofIdAndVersion($cart->getId(), $cart->getVersion())
+            ->addAction(
+                CartChangeLineItemQuantityAction::ofLineItemIdAndQuantity($cart->getLineItems()->current()->getId(), 3)
+            )
+        ;
+        $response = $request->executeWithClient($this->getClient());
+        $cart = $request->mapResponse($response);
+        $this->deleteRequest->setVersion($cart->getVersion());
+        $this->assertSame(3, $cart->getLineItems()->current()->getQuantity());
+        $this->assertSame(
+            1,
+            $cart->getLineItems()->current()->getPrice()->getValue()->getCentAmount()
+        );
+
+        $request = CartUpdateRequest::ofIdAndVersion($cart->getId(), $cart->getVersion())
+            ->addAction(
+                CartRemoveLineItemAction::ofLineItemId($cart->getLineItems()->current()->getId())->setQuantity(1)
+            )
+        ;
+        $response = $request->executeWithClient($this->getClient());
+        $cart = $request->mapResponse($response);
+        $this->deleteRequest->setVersion($cart->getVersion());
+
+        $this->assertSame(2, $cart->getLineItems()->current()->getQuantity());
+        $this->assertSame(
+            10,
+            $cart->getLineItems()->current()->getPrice()->getValue()->getCentAmount()
+        );
+
+        $request = CartUpdateRequest::ofIdAndVersion($cart->getId(), $cart->getVersion())
+            ->addAction(
+                CartRemoveLineItemAction::ofLineItemId($cart->getLineItems()->current()->getId())
+            )
+        ;
+        $response = $request->executeWithClient($this->getClient());
+        $cart = $request->mapResponse($response);
+        $this->deleteRequest->setVersion($cart->getVersion());
+        $this->assertCount(0, $cart->getLineItems());
+    }
+
     /**
      * @return CartDraft
      */