From 3c60ecf4d5f75c6df1a6d5488082ee99eea5906d Mon Sep 17 00:00:00 2001
From: devansh bawari <devansh.bawari419@webkul.com>
Date: Thu, 17 Jun 2021 17:53:28 +0530
Subject: [PATCH] Backend Completed. Now Wiring To Shop Pending.

---
 .../Webkul/Product/src/Type/AbstractType.php  |  2 +-
 .../Webkul/Product/src/Type/Configurable.php  | 49 +++++++++++++++++--
 2 files changed, 46 insertions(+), 5 deletions(-)

diff --git a/packages/Webkul/Product/src/Type/AbstractType.php b/packages/Webkul/Product/src/Type/AbstractType.php
index adb4f19e3..4f7aa17a5 100644
--- a/packages/Webkul/Product/src/Type/AbstractType.php
+++ b/packages/Webkul/Product/src/Type/AbstractType.php
@@ -67,7 +67,7 @@ abstract class AbstractType
     /**
      * Product instance
      *
-     * @var \Webkul\Product\Contracts\Product
+     * @var \Webkul\Product\Models\Product
      */
     protected $product;
 
diff --git a/packages/Webkul/Product/src/Type/Configurable.php b/packages/Webkul/Product/src/Type/Configurable.php
index b228ed344..dae260f05 100644
--- a/packages/Webkul/Product/src/Type/Configurable.php
+++ b/packages/Webkul/Product/src/Type/Configurable.php
@@ -66,6 +66,46 @@ class Configurable extends AbstractType
      */
     protected $productOptions = [];
 
+
+    /**
+     * Get default variant id.
+     *
+     * @return int
+     */
+    public function getDefaultVariantId()
+    {
+        return $this->product->additional['default_variant_id'] ?? null;
+    }
+
+    /**
+     * Set default variant id.
+     *
+     * @param  int  $defaultVariantId
+     * @return bool
+     */
+    public function setDefaultVariantId($defaultVariantId)
+    {
+        $this->product->additional = array_merge($this->product->additional ?? [], [
+            'default_variant_id' => $defaultVariantId
+        ]);
+
+        return $this->product->save();
+    }
+
+    /**
+     * Update default variant id if present in request.
+     *
+     * @return void
+     */
+    public function updateDefaultVariantId()
+    {
+        $defaultVariantId = request()->get('default_variant_id');
+
+        if ($defaultVariantId) {
+            $this->setDefaultVariantId($defaultVariantId);
+        }
+    }
+
     /**
      * Create configurable product.
      *
@@ -106,6 +146,9 @@ class Configurable extends AbstractType
     public function update(array $data, $id, $attribute = "id")
     {
         $product = parent::update($data, $id, $attribute);
+
+        $this->updateDefaultVariantId();
+
         $route = request()->route() ? request()->route()->getName() : '';
 
         if ($route != 'admin.catalog.products.massupdate') {
@@ -670,8 +713,7 @@ class Configurable extends AbstractType
     /**
      * Validate cart item product price.
      *
-     * @param \Webkul\Product\Type\CartItem $item
-     *
+     * @param  \Webkul\Product\Type\CartItem  $item
      * @return \Webkul\Product\Datatypes\CartItemValidationResult
      */
     public function validateCartItem(CartItemModel $item): CartItemValidationResult
@@ -704,8 +746,7 @@ class Configurable extends AbstractType
     /**
      * Get product options.
      *
-     * @param string $product
-     *
+     * @param  string  $product
      * @return array
      */
     public function getProductOptions($product = "")