EX-01-Geo IP module creation

app/code/MindArc/GeoIP/Block/Catalog/Product/View/CountryCode.php

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+<?php
+
+namespace MindArc\GeoIP\Block\Catalog\Product\View;
+
+class CountryCode
+    extends \Magento\Framework\View\Element\Template
+{
+    protected $_geoIpHelper;
+    protected $_geoIP;
+
+    public function __construct(
+        \MindArc\GeoIP\Helper\GeoIP $geoIp,
+        \Magento\Framework\View\Element\Template\Context $context,
+        array $data = []
+    )
+    {
+        $this->_geoIP = $geoIp;
+        parent::__construct($context, $data);
+    }
+
+    public function getCountryISO()
+    {
+        $ip = $this->_geoIP->getIpAddress();
+        $data = $this->_geoIP->getCountryData($ip);
+        if ($data !== null && !empty($data['iso'])) {
+            $code = $data['iso'];
+        } else {
+            $code = "It coudn\\'t get the country Iso code ";
+        }
+
+        return $code;
+    }
+
+    public function getBlockID()
+    {
+        $iso = $this->getCountryISO();
+
+        return strtolower('geoip_' . $iso);
+    }
+}

app/code/MindArc/GeoIP/Helper/GeoIP.php

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+<?php
+
+namespace MindArc\GeoIP\Helper;
+
+use Magento\Framework\App\Helper\Context;
+use Magento\Framework\ObjectManagerInterface;
+use Magento\Store\Model\StoreManagerInterface;
+use Magento\Framework\App\Filesystem\DirectoryList;
+
+class GeoIP
+    extends \Magento\Framework\App\Helper\AbstractHelper
+{
+
+    const DATABASE_PATH = 'interactive_geoip/setting/file';
+    const SIMULATION_MODE = 'interactive_geoip/setting/simulationmode';
+    const MY_IP = 'interactive_geoip/setting/myip';
+
+    protected $_directoryList;
+
+    public function __construct(
+        DirectoryList $directoryList,
+        Context $context,
+        ObjectManagerInterface $objectManager,
+        StoreManagerInterface $storeManager
+    )
+    {
+        $this->_directoryList = $directoryList;
+        parent::__construct($context, $objectManager, $storeManager);
+    }
+
+    public function getDataBaseFile()
+    {
+        return $this->scopeConfig->getValue(self::DATABASE_PATH);
+    }
+
+    public function simulationMode()
+    {
+        return $this->scopeConfig->getValue(self::SIMULATION_MODE);
+    }
+
+    public function myIP()
+    {
+        return $this->scopeConfig->getValue(self::MY_IP);
+    }
+
+    public function checkDB()
+    {
+        $path = $this->_directoryList->getPath('base') . '/' . $this->getDataBaseFile();
+        if (!file_exists($path)) {
+            return false;
+        }
+        $folder = scandir($path, true);
+        $pathFile = $path . '/' . $folder[0];
+        if (!file_exists($pathFile)) {
+            return false;
+        }
+
+        return $pathFile;
+    }
+
+    public function getCountryData($ip)
+    {
+        try {
+            $libPath = $this->checkDB();
+            if ($libPath && class_exists('GeoIp2\Database\Reader')) {
+                $geoIp = new \GeoIp2\Database\Reader($libPath);
+                $record = $geoIp->country($ip);
+                $geoIpData = [
+                    'name' => $record->country->name,
+                    'iso'  => $record->country->isoCode,
+                ];
+            } else {
+                $geoIpData = [];
+            }
+        } catch (\Exception $e) {
+            $geoIpData = [
+                'name' => 'NONE',
+                'iso'  => 'NONE',
+            ];
+        }
+
+        return $geoIpData;
+    }
+
+    public function getIpAddress()
+    {
+        if ($this->simulationMode()) {
+            return $this->myIP();
+        }
+
+        $server = $this->_getRequest()->getServer();
+        if (!empty($server['HTTP_CLIENT_IP'])) {
+            $ip = $server['HTTP_CLIENT_IP'];
+        } else if (!empty($server['HTTP_X_FORWARDED_FOR'])) {
+            $ip = $server['HTTP_X_FORWARDED_FOR'];
+        } else if (!empty($server['REMOTE_ADDR'])) {
+            $ip = $server['REMOTE_ADDR'];
+        } else {
+            $ip = $this->getIpFromMagento();
+        }
+        $ips = explode(',', $ip);
+        $ip = $ips[count($ips) - 1];
+
+        return trim($ip);
+    }
+
+    protected function getIpFromMagento()
+    {
+        return $this->_remoteAddress->getRemoteAddress();
+    }
+}

app/code/MindArc/GeoIP/etc/adminhtml/system.xml

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+<?xml version="1.0"?>
+
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">
+    <system>
+        <section id="interactive_geoip" translate="label" type="text" sortOrder="16" showInDefault="1" showInWebsite="1" showInStore="1">
+            <label>Geo IP</label>
+            <tab>general</tab>
+            <resource>Summa_Paypal::lco_paypal</resource>
+            <group id="setting" translate="label" type="text" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1">
+                <label>Geo IP Settings</label>
+                <field id="file" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
+                    <label>Databasbe path</label>
+                </field>
+                <field id="simulationmode" translate="label" type="select" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
+                    <label>Enable IP Simulation</label>
+                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                </field>
+                <field id="myip" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
+                    <label>My new IP address</label>
+                    <comment>Insert a new Ip for simulation mode</comment>
+                    <depends>
+                        <field id="interactive_geoip/setting/simulationmode">1</field>
+                    </depends>
+                </field>
+            </group>
+        </section>
+    </system>
+</config>

app/code/MindArc/GeoIP/etc/config.xml

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+<?xml version="1.0"?>
+
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Store:etc/config.xsd">
+    <default>
+        <interactive_geoip>
+            <setting>
+                <file>var/GeoIP/DataBase</file>
+            </setting>
+        </interactive_geoip>
+    </default>
+</config>

app/code/MindArc/GeoIP/etc/module.xml

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+<?xml version="1.0"?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
+    <module name="MindArc_GeoIP" setup_version="1.0.1">
+    </module>
+</config>

app/code/MindArc/GeoIP/registration.php

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+<?php
+\Magento\Framework\Component\ComponentRegistrar::register(
+    \Magento\Framework\Component\ComponentRegistrar::MODULE,
+    'MindArc_GeoIP',
+    __DIR__
+);

app/code/MindArc/GeoIP/view/frontend/layout/catalog_product_view.xml

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+<?xml version="1.0"?>
+
+<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
+    <body>
+        <referenceContainer name="product.info.media">
+            <block class="MindArc\GeoIP\Block\Catalog\Product\View\CountryCode" name="product.view.countrycode"
+                   template="MindArc_GeoIP::catalog/product/view/countrycode.phtml"/>
+        </referenceContainer>
+    </body>
+</page>

app/code/MindArc/GeoIP/view/frontend/templates/catalog/product/view/countrycode.phtml

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+<?php
+    $block->getChildHtml('countrycode');
+    $countryCode = $block->getCountryISO();
+    echo $countryCode;
+?>

app/code/MindArc/README.md

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+For working of GeoIP module the file 'database.tar.gz' must be unzip under var/ folder of the Magento project
+and install GeoIP2 PHP API run in your project root:
+
+        php composer.phar require geoip2/geoip2:~2.0
+
+
+For testing the functionality, you can simulate an IP in Store->Configuration->general->GeoIP.
+  1. Enable simulation mode
+  2. Set an IP. For instance: US IP, 72.229.28.185
+  3. Clear config cache