From ee1d2e75b6675ca38f70fc5c58527a8d00c92542 Mon Sep 17 00:00:00 2001
From: gonzalo <gonzalo@ebizmarts.com>
Date: Fri, 8 Mar 2019 16:26:43 -0300
Subject: [PATCH] closes #645 for magento 2.1

---
 Helper/Data.php                    |  9 +++++++++
 Model/Plugin/AccountManagement.php | 13 ++++++++++---
 etc/adminhtml/system.xml           |  8 ++++++++
 3 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/Helper/Data.php b/Helper/Data.php
index 24276054..b14588e9 100755
--- a/Helper/Data.php
+++ b/Helper/Data.php
@@ -38,6 +38,7 @@ class Data extends \Magento\Framework\App\Helper\AbstractHelper
     const XML_ABANDONEDCART_FIRSTDATE   = 'mailchimp/abandonedcart/firstdate';
     const XML_ABANDONEDCART_PAGE     = 'mailchimp/abandonedcart/page';
     const XML_PATH_IS_SYNC           = 'mailchimp/general/issync';
+    const XML_ABANDONEDCART_EMAIL    = 'mailchimp/abandonedcart/save_email_in_quote';
     const XML_MERGEVARS              = 'mailchimp/general/map_fields';
     const XML_INTEREST               = 'mailchimp/general/interest';
     const XML_INTEREST_IN_SUCCESS    = 'mailchimp/general/interest_in_success';
@@ -1134,4 +1135,12 @@ public function unserialize($string)
         }
         return $result;
     }
+    public function isEmailSavingEnabled($storeId)
+    {
+        return $this->_scopeConfig->isSetFlag(
+            self::XML_ABANDONEDCART_EMAIL,
+            \Magento\Store\Model\ScopeInterface::SCOPE_STORES,
+            $storeId
+        );
+    }
 }
diff --git a/Model/Plugin/AccountManagement.php b/Model/Plugin/AccountManagement.php
index 64696327..f365ebf0 100644
--- a/Model/Plugin/AccountManagement.php
+++ b/Model/Plugin/AccountManagement.php
@@ -27,22 +27,29 @@ class AccountManagement
      * @var \Magento\Quote\Model\QuoteFactory
      */
     protected $_quote;
+    /**
+     * @var \Magento\Store\Model\StoreManagerInterface
+     */
+    protected $_storeManager;
 
     /**
      * AccountManagement constructor.
      * @param \Ebizmarts\MailChimp\Helper\Data $helper
-     * @param \Magento\Checkout\Model\Session $customerSession
+     * @param \Magento\Checkout\Model\Session $checkoutSession
      * @param \Magento\Quote\Model\QuoteFactory $quote
+     * @param \Magento\Store\Model\StoreManagerInterface $storeManager
      */
     public function __construct(
         \Ebizmarts\MailChimp\Helper\Data $helper,
         \Magento\Checkout\Model\Session $checkoutSession,
-        \Magento\Quote\Model\QuoteFactory $quote
+        \Magento\Quote\Model\QuoteFactory $quote,
+        \Magento\Store\Model\StoreManagerInterface $storeManager
     ) {
     
         $this->_helper  = $helper;
         $this->_quote   = $quote;
         $this->_session = $checkoutSession;
+        $this->_storeManager = $storeManager;
     }
 
     /**
@@ -59,7 +66,7 @@ public function aroundIsEmailAvailable(
     ) {
     
         $ret = $proceed($customerEmail,$websiteId);
-        if ($this->_session) {
+        if ($this->_session   && $this->_helper->isEmailSavingEnabled($this->_storeManager->getStore()->getId())) {
             $quoteId = $this->_session->getQuoteId();
             if ($quoteId) {
                 $quote = $this->_quote->create();
diff --git a/etc/adminhtml/system.xml b/etc/adminhtml/system.xml
index 7b17e008..e97b290d 100644
--- a/etc/adminhtml/system.xml
+++ b/etc/adminhtml/system.xml
@@ -230,6 +230,14 @@
                         <field id="*/*/active">1</field>
                     </depends>
                 </field>
+                <field id="save_email_in_quote" translate="label comment" sortOrder="50" type="select" showInDefault="1" showInWebsite="1" showInStore="1">
+                    <label>Save Email to the Quote before place Order</label>
+                    <comment>Select No to prevent saving customer Email to the quote before Order was placed</comment>
+                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                    <depends>
+                        <field id="*/*/active">1</field>
+                    </depends>
+                </field>
             </group>
         </section>
     </system>