add client factory, Sms wrapper, further configuration options

src/Application/Model/Configuration.php

@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * This Software is the property of Data Development and is protected
+ * by copyright law - it is NOT Freeware.
+ * Any unauthorized use of this software without a valid license
+ * is a violation of the license agreement and will be prosecuted by
+ * civil and criminal law.
+ * http://www.shopmodule.com
+ *
+ * @copyright (C) D3 Data Development (Inh. Thomas Dartsch)
+ * @author        D3 Data Development - Daniel Seifert <support@shopmodule.com>
+ * @link          http://www.oxidmodule.com
+ */
+
+namespace D3\Linkmobility4OXID\Application\Model;
+
+use Assert\Assert;
+use OxidEsales\Eshop\Core\Registry;
+
+class Configuration
+{
+    /**
+     * @return string
+     */
+    public function getApiToken(): string
+    {
+        $token = trim(Registry::getConfig()->getConfigParam('d3linkmobility_apitoken'));
+
+        Assert::that($token)->string()->notEmpty();
+
+        return $token;
+    }
+
+    /**
+     * @return bool
+     */
+    public function getTestMode(): bool
+    {
+        return (bool) Registry::getConfig()->getConfigParam( 'd3linkmobility_debug');
+    }
+
+    /**
+     * @return string
+     */
+    public function getSmsSenderNumber(): string
+    {
+        $number = trim(Registry::getConfig()->getConfigParam('d3linkmobility_smsSenderNumber'));
+
+        Assert::that($number)->string()->notEmpty();
+
+        return $number;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSmsSenderCountry(): string
+    {
+        $country = trim(Registry::getConfig()->getConfigParam('d3linkmobility_smsSenderCountry'));
+
+        Assert::that($country)->string()->length(2);
+
+        return strtoupper($country);
+    }
+}