From f392045659b476d783f61f16f9375e35cf48429c Mon Sep 17 00:00:00 2001
From: Dmitry Fedyuk <dfediuk@gmail.com>
Date: Tue, 21 Jan 2020 08:37:51 +0600
Subject: [PATCH] 1.2.0: https://github.com/justuno-com/m2/issues/7

---
 Controller/Cart/Add.php   | 36 +++++++++++++++++++++++++++++++++++-
 composer.json             |  2 +-
 etc/frontend/sections.xml |  9 +++++++++
 3 files changed, 45 insertions(+), 2 deletions(-)
 create mode 100644 etc/frontend/sections.xml

diff --git a/Controller/Cart/Add.php b/Controller/Cart/Add.php
index bb1299e..a6cfab2 100644
--- a/Controller/Cart/Add.php
+++ b/Controller/Cart/Add.php
@@ -2,12 +2,16 @@
 namespace Justuno\M2\Controller\Cart;
 use Df\Framework\W\Result\Json;
 use Justuno\M2\Response as R;
+use Magento\Catalog\Model\Product as P;
 use Magento\Framework\App\Action\Action as _P;
 // 2020-01-21
 /** @final Unable to use the PHP «final» keyword here because of the M2 code generation. */
 class Add extends _P {
 	/**
 	 * 2020-01-21
+	 * "Implement the «add a configurable product to the cart» endpoint": https://github.com/justuno-com/m2/issues/7
+	 * @see \Magento\Checkout\Controller\Cart\Add::execute()
+	 * https://github.com/magento/magento2/blob/2.3.3/app/code/Magento/Checkout/Controller/Cart/Add.php#L77-L178
 	 * @override
 	 * @see _P::execute()
 	 * @used-by \Magento\Framework\App\Action\Action::dispatch():
@@ -15,5 +19,35 @@ class Add extends _P {
 	 * https://github.com/magento/magento2/blob/2.2.1/lib/internal/Magento/Framework/App/Action/Action.php#L84-L125
 	 * @return Json
 	 */
-	function execute() {return R::p(function() {});}
+	function execute() {return R::p(function() {
+		/**
+		 * 2020-01-21
+		 * @see \Magento\Checkout\Controller\Cart\Add::_initProduct()
+		 * https://github.com/magento/magento2/blob/2.3.3/app/code/Magento/Checkout/Controller/Cart/Add.php#L56-L75
+		 */
+		$p = self::product('product'); /** @var P $p */
+		$params = ['product' => $p->getId(), 'qty' => df_nat(df_request('qty', 1))];
+		if (df_configurable($p)) {
+			$ch = self::product('variant'); /** @var P $ch */
+			$sa = []; /** @var array(int => int) $sa */
+			foreach ($p->getTypeInstance(true)->getConfigurableAttributesAsArray($p) as $a) {
+				/** @var array(string => mixed) $a */
+				$sa[(int)$a['attribute_id']] = $ch[$a['attribute_code']];
+			}
+			$params['super_attribute'] = $sa;
+		}
+		df_cart()->addProduct($p, $params);
+		df_cart()->save();
+		df_dispatch('checkout_cart_add_product_complete', [
+			'product' => $p, 'request' => $this->getRequest(), 'response' => $this->getResponse()
+		]);
+	});}
+
+	/**
+	 * 2020-01-21
+	 * @used-by execute()
+	 * @param string $k
+	 * @return P
+	 */
+	private static function product($k) {return df_product(df_nat(df_request($k)), true);}
 }
\ No newline at end of file
diff --git a/composer.json b/composer.json
index dbc27fe..a737977 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
 	"name": "justuno.com/m2"
-	,"version": "1.1.8"
+	,"version": "1.2.0"
 	,"description": "Justuno module for Magento 2"
 	,"type": "magento2-module"
 	,"homepage": "https://github.com/justuno-com/m2"
diff --git a/etc/frontend/sections.xml b/etc/frontend/sections.xml
new file mode 100644
index 0000000..037778d
--- /dev/null
+++ b/etc/frontend/sections.xml
@@ -0,0 +1,9 @@
+<?xml version='1.0'?>
+<config
+    xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
+    xsi:noNamespaceSchemaLocation='urn:magento:module:Magento_Customer:etc/sections.xsd'
+>
+    <action name='justuno/cart/add'>
+        <section name='cart'/>
+    </action>
+</config>