Variant

app/Migrations/Version20171110195112.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+class Version20171110195112 extends AbstractMigration
+{
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema)
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+
+        $this->addSql('CREATE TABLE variants (id INT AUTO_INCREMENT NOT NULL, product_id INT DEFAULT NULL, color INT NOT NULL, price INT NOT NULL, INDEX IDX_B39853E14584665A (product_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE = InnoDB');
+        $this->addSql('ALTER TABLE variants ADD CONSTRAINT FK_B39853E14584665A FOREIGN KEY (product_id) REFERENCES products (id)');
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema)
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+
+        $this->addSql('DROP TABLE variants');
+    }
+}

src/AppBundle/Controller/BaseController.php

@@ -32,9 +32,9 @@ class BaseController extends Controller
      */
     protected function response($data = null, $status = 200, $headers = [])
     {
-        if (is_array($data) && isset($data[0]) && $data[0] instanceof Renderable) {
+        if (is_array($data) && count($data) > 1) {
             $data = json_encode(array_map(function ($value) {
-                return $value instanceof Arrayable ? $value->toArray() : $value;
+                return $value instanceof Collection ? $value->toArray() : $value;
             }, $data));
         } elseif ($data instanceof Renderable) {
             $data = $data->render();

src/AppBundle/Controller/VariantController.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace AppBundle\Controller;
+
+use AppBundle\Entity\Product;
+use AppBundle\Entity\Variant;
+use AppBundle\Exception\NotFoundEntity;
+use AppBundle\Exception\ValidationFailed;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class VariantController extends BaseController
+{
+    /**
+     * @param $id
+     * @param Request $request
+     * @return Response
+     */
+    public function addAction($id, Request $request)
+    {
+        /** @var Product $product */
+        $product = $this->getDoctrine()->getRepository(Product::class)->find($id);
+
+        $variant = new Variant();
+        $variant->setColor($request->get('color'));
+        $variant->setPrice($request->get('price'));
+        $variant->setProduct($product);
+
+        $manager = $this->getDoctrine()->getManager();
+        $manager->persist($variant);
+        $manager->flush();
+
+        $product->getVariants()->add($variant);
+
+        return $this->response($product, Response::HTTP_CREATED);
+    }
+
+    /**
+     * @param $pid
+     * @param $vid
+     * @return Response
+     */
+    public function deleteAction($pid, $vid)
+    {
+        /** @var Variant $variant */
+        $variant = $this->getDoctrine()->getRepository(Variant::class)->find($vid);
+
+        if ($variant === null || $variant->getProductId() != $pid) {
+            throw new NotFoundEntity();
+        }
+
+        $manager = $this->getDoctrine()->getManager();
+        $manager->remove($variant);
+        $manager->flush();
+
+        return $this->ack();
+    }
+
+    /**
+     * @param $pid
+     * @param $vid
+     * @param Request $request
+     * @return Response
+     */
+    public function updateAction($pid, $vid, Request $request)
+    {
+        // TODO: add a validation
+        // it needs some validation but I don't know how to do it in right way!
+        // but just for now let's check their existence
+         if ($request->get('price') === null || $request->get('color') === null) {
+             throw new ValidationFailed();
+         }
+
+        /** @var Variant $variant */
+        $variant = $this->getDoctrine()->getRepository(Variant::class)->find($vid);
+
+        if ($variant === null || $variant->getProductId() != $pid) {
+            throw new NotFoundEntity();
+        }
+        $variant->setColor($request->get('color'));
+        $variant->setPrice($request->get('price'));
+        $this->getDoctrine()->getManager()->flush();
+
+        return $this->response($variant);
+    }
+}

src/AppBundle/Entity/BaseEntity.php

@@ -11,7 +11,7 @@
 
 use AppBundle\Contracts\Collection;
 
-abstract class BaseEntity extends Collection
+abstract class BaseEntity extends Collection implements \JsonSerializable
 {
 
     /**
@@ -30,4 +30,12 @@ public function toArray(): array
     {
         // TODO: Implement toArray() method.
     }
+
+    /**
+     * @return array
+     */
+    public function jsonSerialize()
+    {
+        return $this->toArray();
+    }
 }

src/AppBundle/Entity/Product.php

@@ -3,6 +3,7 @@
 namespace AppBundle\Entity;
 
 use Carbon\Carbon;
+use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
@@ -50,13 +51,22 @@ class Product extends BaseEntity
      */
     private $updatedAt;
 
+    /**
+     * @var ArrayCollection
+     * @ORM\OneToMany(targetEntity="Variant", mappedBy="product", fetch="EAGER")
+     */
+    private $variants;
+
+
     /**
      * Product constructor.
      */
     public function __construct()
     {
         $this->setCreatedAt(Carbon::now());
         $this->setUpdatedAt(Carbon::now());
+
+        $this->variants = new ArrayCollection();
     }
 
     /**
@@ -165,14 +175,32 @@ public function getUpdatedAt()
         return $this->updatedAt;
     }
 
+    /**
+     * @return ArrayCollection
+     */
+    public function getVariants()
+    {
+        return $this->variants;
+    }
+
+    /**
+     * @param ArrayCollection $variants
+     */
+    public function setVariants($variants)
+    {
+        $this->variants = $variants;
+    }
+
+    /**
+     * @return array
+     */
     public function toArray(): array
     {
         return [
             'title' => $this->getTitle(),
-            'description' => $this->getDescription()
+            'description' => $this->getDescription(),
+            'variants' => $this->getVariants()->toArray()
         ];
     }
-
-
 }
 

src/AppBundle/Entity/Variant.php

@@ -0,0 +1,157 @@
+<?php
+
+namespace AppBundle\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Variant
+ *
+ * @ORM\Table(name="variants")
+ * @ORM\Entity(repositoryClass="AppBundle\Repository\VariantRepository")
+ */
+class Variant extends BaseEntity
+{
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="id", type="integer")
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="AUTO")
+     */
+    private $id;
+
+    /**
+     * @var Product
+     *
+     * @ORM\ManyToOne(targetEntity="Product", inversedBy="variants")
+     * @ORM\JoinColumn(name="product_id", referencedColumnName="id")
+     */
+    private $product;
+
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="color", type="integer")
+     */
+    private $color;
+
+
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="price", type="integer")
+     */
+    private $price;
+
+
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="product_id", type="integer")
+     */
+    private $product_id;
+
+    /**
+     * Get id
+     *
+     * @return int
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Set color
+     *
+     * @param integer $color
+     *
+     * @return Variant
+     */
+    public function setColor($color)
+    {
+        $this->color = $color;
+
+        return $this;
+    }
+
+    /**
+     * Get color
+     *
+     * @return int
+     */
+    public function getColor()
+    {
+        return $this->color;
+    }
+
+    /**
+     * @return Product
+     */
+    public function getProduct()
+    {
+        return $this->product;
+    }
+
+    /**
+     * @param Product $product
+     */
+    public function setProduct($product)
+    {
+        $this->product = $product;
+    }
+
+    /**
+     * Set price
+     *
+     * @param integer $price
+     *
+     * @return Variant
+     */
+    public function setPrice($price)
+    {
+        $this->price = $price;
+
+        return $this;
+    }
+
+    /**
+     * Get price
+     *
+     * @return int
+     */
+    public function getPrice()
+    {
+        return $this->price;
+    }
+
+    /**
+     * @return int
+     */
+    public function getProductId(): int
+    {
+        return $this->product_id;
+    }
+
+    /**
+     * @param int $product_id
+     */
+    public function setProductId(int $product_id)
+    {
+        $this->product_id = $product_id;
+    }
+
+    /**
+     * @return array
+     */
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->getId(),
+            'price' => $this->getPrice(),
+            'color' => $this->getColor()
+        ];
+    }
+
+}