chore: ability to save assigned categories to products

Author: ahinkle

src/Models/MagentoCategory.php

@@ -32,4 +32,14 @@ public function customAttributes()
     {
         return $this->morphMany(MagentoCustomAttribute::class, 'attributable');
     }
+
+    /**
+     * The products assigned to the category.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasManyThrough
+     */
+    public function products()
+    {
+        return $this->hasManyThrough(MagentoProduct::class, MagentoProductCategory::class, 'magento_category_id', 'id', 'id', 'magento_product_id');
+    }
 }

src/Support/MagentoProducts.php

@@ -6,6 +6,7 @@
 use Grayloon\Magento\Models\MagentoExtensionAttribute;
 use Grayloon\Magento\Models\MagentoExtensionAttributeType;
 use Grayloon\Magento\Models\MagentoProduct;
+use Grayloon\Magento\Models\MagentoProductCategory;
 
 class MagentoProducts extends PaginatableMagentoService
 {
@@ -101,6 +102,10 @@ protected function syncExtensionAttributes($attributes, $product)
     protected function syncCustomAttributes($attributes, $product)
     {
         foreach ($attributes as $attribute) {
+            if ($attribute['attribute_code'] === 'category_ids') {
+                $this->syncProductCategories($attribute['value'], $product);
+            }
+            
             if (is_array($attribute['value'])) {
                 $attribute['value'] = json_encode($attribute['value']);
             }
@@ -112,4 +117,27 @@ protected function syncCustomAttributes($attributes, $product)
 
         return $this;
     }
+
+    /**
+     * Assign the Product Category IDs that belong to the product.
+     *
+     * @param  array  $categoryIds
+     * @param  \Grayloon\Magento\Models\MagentoProduct\ $product
+     * @return void
+     */
+    protected function syncProductCategories($categoryIds, $product)
+    {
+        if (! $categoryIds) {
+            return;
+        }
+
+        foreach ($categoryIds as $categoryId) {
+            MagentoProductCategory::updateOrCreate([
+                'magento_product_id'  => $product->id,
+                'magento_category_id' => $categoryId,
+            ]);
+        }
+
+        return $this;
+    }
 }

tests/Models/MagentoCategoryModelTest.php

@@ -3,6 +3,8 @@
 namespace Grayloon\Magento\Tests;
 
 use Grayloon\Magento\Models\MagentoCategory;
+use Grayloon\Magento\Models\MagentoProduct;
+use Grayloon\Magento\Models\MagentoProductCategory;
 
 class MagentoCategoryModelTest extends TestCase
 {
@@ -39,4 +41,20 @@ public function test_can_add_custom_attributes_to_magento_category()
         $this->assertEquals(MagentoCategory::class, $attribute->attributable_type);
         $this->assertEquals($category->id, $attribute->attributable_id);
     }
+
+    public function test_magento_category_can_get_single_product()
+    {
+        factory(MagentoCategory::class)->create(); // create non-assigned category.
+        factory(MagentoProduct::class)->create(); // create non-assigned category.
+
+        $category = factory(MagentoCategory::class)->create();
+        factory(MagentoProductCategory::class)->create([
+            'magento_category_id' => $category->id,
+        ]);
+
+        $products = $category->products()->get();
+        $this->assertNotEmpty($products);
+        $this->assertEquals(1, $products->count());
+        $this->assertInstanceOf(MagentoProduct::class, $products->first());
+    }
 }

tests/Support/MagentoProductsTest.php

@@ -2,6 +2,7 @@
 
 namespace Grayloon\Magento\Tests\Support;
 
+use Grayloon\Magento\Models\MagentoCategory;
 use Grayloon\Magento\Models\MagentoProduct;
 use Grayloon\Magento\Support\MagentoProducts;
 use Grayloon\Magento\Tests\TestCase;
@@ -24,8 +25,10 @@ public function test_can_count_magento_products()
         $this->assertEquals(1, $count);
     }
 
-    public function test_can_create_magento_product()
+    public function test_magento_product_adds_associated_category()
     {
+        $category = factory(MagentoCategory::class)->create();
+
         $products = [
             [
                 'id'         => '1',
@@ -43,8 +46,8 @@ public function test_can_create_magento_product()
                 ],
                 'custom_attributes' => [
                     [
-                        'attribute_code' => 'salesman',
-                        'value'          => 'Dwight Schrute',
+                        'attribute_code' => 'category_ids',
+                        'value'          => ["1"]
                     ],
                 ],
             ],
@@ -55,14 +58,11 @@ public function test_can_create_magento_product()
         $magentoProducts->updateProducts($products);
 
         $product = MagentoProduct::first();
+        $productCategories = $product->categories()->get();
 
         $this->assertNotEmpty($product);
-        $this->assertEquals('Dunder Mifflin Paper', $product->name);
-        $this->assertNotEmpty($product->extensionAttributes());
-        $this->assertEquals([1], $product->extensionAttributes()->first()->attribute);
-        $this->assertEquals('website_id', $product->extensionAttributes()->first()->Type()->first()->type);
-        $this->assertNotEmpty($product->customAttributes()->get());
-        $this->assertEquals('Dwight Schrute', $product->customAttributes()->first()->value);
-        $this->assertEquals('salesman', $product->customAttributes()->first()->attribute_type);
+        $this->assertNotEmpty($productCategories);
+        $this->assertCount(1, $productCategories);
+        $this->assertSame($category->id, $productCategories->first()->id);
     }
 }