#32 added ScopePool and ReaderPool for 2.2 support

Model/App/Config/ReaderPool.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ * Copyright © 2013-2017 Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Wirecard\CheckoutSeamless\Model\App\Config;
+
+class ReaderPool
+{
+    /**
+     * List of readers
+     *
+     * @var array
+     */
+    protected $_readers = [];
+
+    /**
+     * @param \Magento\Framework\App\Config\Scope\ReaderInterface[] $readers
+     */
+    public function __construct(
+        array $readers
+    ) {
+        $this->_readers = $readers;
+    }
+
+    /**
+     * Retrieve reader by scope type
+     *
+     * @param string $scopeType
+     * @return mixed
+     */
+    public function getReader($scopeType)
+    {
+        return $this->_readers[$scopeType];
+    }
+}

Model/App/Config/ScopePool.php

@@ -0,0 +1,168 @@
+<?php
+/**
+ * Copyright © 2013-2017 Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Wirecard\CheckoutSeamless\Model\App\Config;
+
+use Magento\Framework\App\ObjectManager;
+use Magento\Framework\App\RequestInterface;
+
+/**
+ * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
+ * @deprecated
+ */
+class ScopePool
+{
+    const CACHE_TAG = 'config_scopes';
+
+    /**
+     * @var \Magento\Framework\App\Config\Scope\ReaderPoolInterface
+     */
+    protected $_readerPool;
+
+    /**
+     * @var DataFactory
+     */
+    protected $_dataFactory;
+
+    /**
+     * @var \Magento\Framework\Cache\FrontendInterface
+     */
+    protected $_cache;
+
+    /**
+     * @var string
+     */
+    protected $_cacheId;
+
+    /**
+     * @var DataInterface[]
+     */
+    protected $_scopes = [];
+
+    /**
+     * @var \Magento\Framework\App\ScopeResolverPool
+     */
+    protected $_scopeResolverPool;
+
+    /**
+     * @var RequestInterface
+     */
+    private $request;
+
+    /**
+     * @var ScopeCodeResolver
+     */
+    private $scopeCodeResolver;
+
+    /**
+     * @param \Wirecard\CheckoutSeamless\Model\App\Config\ReaderPool $readerPool
+     * @param DataFactory $dataFactory
+     * @param \Magento\Framework\Cache\FrontendInterface $cache
+     * @param \Magento\Framework\App\ScopeResolverPool $scopeResolverPool
+     * @param string $cacheId
+     */
+    public function __construct(
+        \Wirecard\CheckoutSeamless\Model\App\Config\ReaderPool $readerPool,
+        \Magento\Framework\App\Config\DataFactory $dataFactory,
+        \Magento\Framework\Cache\FrontendInterface $cache,
+        \Magento\Framework\App\ScopeResolverPool $scopeResolverPool,
+        $cacheId = 'default_config_cache'
+    )
+    {
+        $this->_readerPool = $readerPool;
+        $this->_dataFactory = $dataFactory;
+        $this->_cache = $cache;
+        $this->_cacheId = $cacheId;
+        $this->_scopeResolverPool = $scopeResolverPool;
+    }
+
+    /**
+     * Retrieve config section
+     *
+     * @param string $scopeType
+     * @param string|\Magento\Framework\DataObject|null $scopeCode
+     * @return \Magento\Framework\App\Config\DataInterface
+     */
+    public function getScope($scopeType, $scopeCode = null)
+    {
+        $scopeCode = $this->_getScopeCode($scopeType, $scopeCode);
+
+        $code = $scopeType . '|' . $scopeCode;
+
+        if (!isset($this->_scopes[$code])) {
+            // Key by url to support dynamic {{base_url}} and port assignments
+            $host = $this->getRequest()->getHttpHost();
+            $port = $this->getRequest()->getServer('SERVER_PORT');
+            $path = $this->getRequest()->getBasePath();
+
+            $urlInfo = $host . $port . trim($path, '/');
+            $cacheKey = $this->_cacheId . '|' . $code . '|' . $urlInfo;
+            $data = $this->_cache->load($cacheKey);
+
+            if ($data) {
+                $data = unserialize($data);
+            } else {
+                $reader = $this->_readerPool->getReader($scopeType);
+                if ($scopeType === ScopeConfigInterface::SCOPE_TYPE_DEFAULT) {
+                    $data = $reader->read();
+                } else {
+                    $data = $reader->read($scopeCode);
+                }
+
+                $this->_cache->save(serialize($data), $cacheKey, [self::CACHE_TAG]);
+            }
+            $this->_scopes[$code] = $this->_dataFactory->create(['data' => $data]);
+        }
+        return $this->_scopes[$code];
+    }
+
+    /**
+     * Retrieve scope code value
+     *
+     * @param string $scopeType
+     * @param string|\Magento\Framework\DataObject|null $scopeCode
+     * @return string
+     */
+    protected function _getScopeCode($scopeType, $scopeCode)
+    {
+        return $this->getScopeCodeResolver()->resolve($scopeType, $scopeCode);
+    }
+
+    /**
+     * @deprecated
+     * @return ScopeCodeResolver
+     */
+    public function getScopeCodeResolver()
+    {
+        if ($this->scopeCodeResolver === null) {
+            $this->scopeCodeResolver = ObjectManager::getInstance()->get(ScopeCodeResolver::class);
+        }
+        return $this->scopeCodeResolver;
+    }
+
+    /**
+     * @deprecated
+     * @return RequestInterface
+     */
+    private function getRequest()
+    {
+        if ($this->request === null) {
+            $this->request = ObjectManager::getInstance()->get(RequestInterface::class);
+        }
+        return $this->request;
+    }
+
+    /**
+     * Clear cache of all scopes
+     *
+     * @return void
+     */
+    public function clean()
+    {
+        $this->_scopes = [];
+        $this->_cache->clean(\Zend_Cache::CLEANING_MODE_MATCHING_TAG, [self::CACHE_TAG]);
+    }
+}

Model/Support.php

@@ -61,7 +61,7 @@ class Support
     protected $_paymentConfig;
 
     /**
-     * @var \Magento\Framework\App\Config\ScopePool
+     * @var \Wirecard\CheckoutSeamless\Model\App\Config\ScopePool
      */
     protected $_scopePool;
 
@@ -184,15 +184,15 @@ class Support
 
     /**
      * @param \Wirecard\CheckoutSeamless\Helper\Data $dataHelper
-     * @param \Magento\Framework\App\Config\ScopePool $scopePool
+     * @param \Wirecard\CheckoutSeamless\Model\App\Config\ScopePool $scopePool
      * @param \Magento\Framework\Mail\Template\TransportBuilder $transportBuilder
      * @param \Magento\Framework\Module\ModuleList\Loader $moduleLoader
      * @param \Magento\Payment\Model\Config $paymentConfig
      * @SuppressWarnings(PHPMD.ExcessiveParameterList)
      */
     public function __construct(
         \Wirecard\CheckoutSeamless\Helper\Data $dataHelper,
-        \Magento\Framework\App\Config\ScopePool $scopePool,
+        \Wirecard\CheckoutSeamless\Model\App\Config\ScopePool $scopePool,
         \Magento\Framework\Mail\Template\TransportBuilder $transportBuilder,
         \Magento\Framework\Module\ModuleList\Loader $moduleLoader,
         \Magento\Payment\Model\Config $paymentConfig