commit 0cdfd0185b8df68ece3fd75bd84370661869e346
Author: Daniel Seifert <ds@shopmodule.com>
Date:   Mon Jun 20 14:47:33 2022 +0200

    initial

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..ac89790
--- /dev/null
+++ b/README.md
@@ -0,0 +1,6 @@
+```
+$client = new Client('accesstoken');
+$request = (new \D3\LinkmobilityClient\SMS\Request('me', 'message'))
+    ->addRecipient(new Recipient('recipient'));
+$client->request($request)
+```
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..153c76c
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,43 @@
+{
+    "name": "d3/linkmobility-php-client",
+    "type": "library",
+    "description": "PHP client for Linkmobility API (de)",
+    "keywords": [
+        "linkmobility",
+        "php",
+        "sms",
+        "sms gateway"
+    ],
+    "homepage": "https://d3data.de/",
+    "authors": [
+      {
+        "name": "D3 Data Development (Inh. Thomas Dartsch)",
+        "email": "info@shopmodule.com",
+        "homepage": "https://www.d3data.de",
+        "role": "Owner"
+      }
+    ],
+    "require": {
+        "php": "^7.0",
+        "beberlei/assert": "^2.7",
+        "guzzlehttp/guzzle": "~6.2",
+        "psr/http-message": "~1.0",
+        "symfony/options-resolver": "^3.0|^4.0",
+        "phlib/sms-length": "^1.1.0 || ^2.0.0",
+        "giggsey/libphonenumber-for-php": "^8.12"
+    },
+    "require-dev": {
+        "phpunit/phpunit" : "~5.7||~6.0",
+        "friendsofphp/php-cs-fixer": "^2.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "D3\\LinkmobilityClient\\": "src"
+        }
+    },
+    "scripts": {
+        "test": "phpunit",
+        "check-style": "./vendor/bin/php-cs-fixer fix --verbose --dry-run",
+        "fix-style": "./vendor/bin/php-cs-fixer fix --verbose"
+    }
+}
diff --git a/src/Client.php b/src/Client.php
new file mode 100644
index 0000000..4e2095b
--- /dev/null
+++ b/src/Client.php
@@ -0,0 +1,79 @@
+<?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\LinkmobilityClient;
+
+use D3\LinkmobilityClient\Request\RequestInterface;
+
+class Client
+{
+    private $accessToken;
+    public $apiUrl;
+    public $requestClient;
+
+    public function __construct(string $accessToken, $apiUrl = false, $client = false)
+    {
+        if ($apiUrl !== false && false === $apiUrl instanceof UrlInterface) {
+            throw new \RuntimeException('ApiUrl instance must implement UrlInterface');
+        }
+
+        $this->accessToken = $accessToken;
+        $this->apiUrl = $apiUrl ?: new Url();
+        $this->requestClient = $client ?: new \GuzzleHttp\Client( [ 'base_uri' => $this->apiUrl->getBaseUri() ] );
+    }
+
+    public function request(RequestInterface $request) : ResponseInterface
+    {
+        $request->validate();
+        $responseClass = $request->getResponseClass();
+        return $request->getResponseInstance(
+            $this->rawRequest($request->getUri(), $request->getMethod(), $request->getOptions())
+        );
+    }
+
+    /**
+     * @param        $url
+     * @param string $method
+     * @param array  $postArgs
+     *
+     * @return string
+     * @throws ApiException
+     * @throws GuzzleException
+     */
+    protected function rawRequest( $url, string $method = RequestInterface::METHOD_GET, array $options = []): string
+    {
+        $options['headers']['Authorization'] = 'access_token '.$this->accessToken;
+        
+        if (!empty($body)) {
+            $options['json'] = $body;
+        }
+        dumpvar(__METHOD__.__LINE__.PHP_EOL);
+dumpvar($options);
+dumpVar($method);
+dumpvar($url);
+die();
+        $response = $this->requestClient->request(
+            $method,
+            $url,
+            $options
+        );
+
+        if ($response->getStatusCode() != 200) {
+            throw new ApiException('request '.$url.' returns status code '.$response->getStatusCode());
+        }
+
+        return $response;
+    }
+}
\ No newline at end of file
diff --git a/src/RecipientsList/RecipientsList.php b/src/RecipientsList/RecipientsList.php
new file mode 100644
index 0000000..87ef2be
--- /dev/null
+++ b/src/RecipientsList/RecipientsList.php
@@ -0,0 +1,82 @@
+<?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
+ */
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\RecipientsList;
+
+use D3\LinkmobilityClient\ValueObject\Recipient;
+
+class RecipientsList implements RecipientsListInterface, \Iterator
+{
+    /**
+     * @var array
+     */
+    private $recipients = [];
+
+    public function add(Recipient $recipient)
+    {
+        $this->recipients[md5(serialize($recipient))] = $recipient;
+    }
+
+    public function clearRecipents()
+    {
+        $this->recipients = [];
+    }
+
+    public function getRecipients() : array
+    {
+        return array_values(
+            array_map(
+                function (Recipient $recipient) {
+                    return $recipient->get();
+                },
+                $this->recipients
+            )
+        );
+    }
+
+    public function getRecipientsList() : array
+    {
+        return $this->recipients;
+    }
+
+    public function current()
+    {
+        return current($this->recipients);
+    }
+
+    public function next()
+    {
+        return next($this->recipients);
+    }
+
+    public function key()
+    {
+        return key($this->recipients);
+    }
+
+    public function rewind()
+    {
+        return reset($this->recipients);
+    }
+
+    public function valid()
+    {
+        return (false !== current($this->recipients) && current($this->recipients) instanceof Recipient);
+    }
+
+    //stract methods and must therefore be declared abstract or implement the remaining methods (Iterator::current, Iterator::next, Iterator::key, ...) in
+}
\ No newline at end of file
diff --git a/src/RecipientsList/RecipientsListInterface.php b/src/RecipientsList/RecipientsListInterface.php
new file mode 100644
index 0000000..0303328
--- /dev/null
+++ b/src/RecipientsList/RecipientsListInterface.php
@@ -0,0 +1,29 @@
+<?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
+ */
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\RecipientsList;
+
+use D3\LinkmobilityClient\ValueObject\Recipient;
+
+interface RecipientsListInterface
+{
+    public function add(Recipient $recipient);
+
+    public function clearRecipents();
+
+    public function getRecipients() : array;
+}
\ No newline at end of file
diff --git a/src/Request/Request.php b/src/Request/Request.php
new file mode 100644
index 0000000..3dad0dc
--- /dev/null
+++ b/src/Request/Request.php
@@ -0,0 +1,449 @@
+<?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
+ */
+
+declare( strict_types = 1 );
+
+namespace D3\LinkmobilityClient\Request;
+
+use Assert\Assert;
+use D3\LinkmobilityClient\RecipientsList\RecipientsList;
+use D3\LinkmobilityClient\RecipientsList\RecipientsListInterface;
+use D3\LinkmobilityClient\Response\ResponseInterface;
+use D3\LinkmobilityClient\ValueObject\Recipient;
+use D3\LinkmobilityClient\ValueObject\Sender;
+use D3\LinkmobilityClient\ValueObject\SmsMessage;
+use D3\LinkmobilityClient\ValueObject\StringValueObject;
+use OxidEsales\Eshop\Core\Registry;
+
+abstract class Request implements RequestInterface
+{
+    /**
+     * @var StringValueObject
+     */
+    private $message;
+
+    /**
+     * @var string
+     */
+    private $method = RequestInterface::METHOD_GET;
+
+    /**
+     * @var string
+     */
+    private $contentType = RequestInterface::CONTENTTYPE_JSON;
+
+    /**
+     * @var null|string
+     */
+    private $clientMessageId;
+
+    /**
+     * @var string
+     */
+    private $contentCategory = RequestInterface::CONTENTCATEGORY_INFORMATIONAL;
+
+    /**
+     * @var string
+     */
+    private $messageType = RequestInterface::MESSAGETYPE_DEFAULT;
+
+    /**
+     * @var string|null
+     */
+    private $notificationCallbackUrl = null;
+
+    /**
+     * @var null|int
+     */
+    private $priority = null;
+
+    /**
+     * @var RecipientsListInterface
+     */
+    private $recipientsList;
+
+    /**
+     * @var bool
+     */
+    private $sendAsFlashSms = false;
+
+    /**
+     * @var string|null
+     */
+    private $senderAddress = null;
+
+    /**
+     * @var string|null
+     */
+    private $senderAddressType = null;
+
+    /**
+     * @var int|null
+     */
+    private $validityPeriode = null;
+
+    /**
+     * @var bool
+     */
+    private $test = false;
+
+    /**
+     * @var bool
+     */
+    private $maxSmsPerMessage = 0;
+
+    public function __construct(StringValueObject $message)
+    {
+        $this->recipientsList = new RecipientsList();
+        $this->setMessage( $message );
+
+        return $this;
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function validate(): void
+    {
+        Assert::that( $this->getMethod() )->choice( self::getMethods() );
+        Assert::that( $this->getUri() )->string()->startsWith( '/' );
+
+        Assert::that($this->getBody())->isArray();
+        Assert::that($this->getResponseClass())->implementsInterface(ResponseInterface::class);
+        Assert::that($this->getOptions())->isArray();
+
+        Assert::that( $this->getRecipientsList() )->isInstanceOf(RecipientsList::class)->notEmpty();
+        Assert::thatAll( $this->getRecipientsList() )->isInstanceOf( Recipient::class );
+
+        // optional properties
+        Assert::thatNullOr( $this->getClientMessageId() )->string();
+        Assert::thatNullOr( $this->getContentCategory() )->choice(self::getContentCategories());
+        Assert::thatNullOr( $this->getNotificationCallbackUrl() )->url();
+        Assert::thatNullOr( $this->getPriority() )->integer();
+        Assert::thatNullOr( $this->getSendAsFlashSms() )->boolean();
+        Assert::thatNullOr( $this->getSenderAddress() )->isInstanceOf(Sender::class);
+        Assert::thatNullOr( $this->getSenderAddressType() )->choice(self::getSenderAddressTypes());
+        Assert::thatNullOr( $this->isTest() )->boolean();
+        Assert::thatNullOr( $this->getValidityPeriode() )->integer();
+    }
+
+    public function getRawBody() : array
+    {
+        return [
+            'clientMessageId'   => $this->getClientMessageId(),
+            'contentCategory'   => $this->getContentCategory(),
+            'maxSmsPerMessage'  => $this->getMaxSmsPerMessage(),
+            'messageContent'    => (string) $this->getMessage(),
+            'messageType'       => $this->getMessageType(),
+            'notificationCallbackUrl'   => $this->getNotificationCallbackUrl(),
+            'priority'          => $this->getPriority(),
+            'recipientAddressList'  => $this->getRecipientsList()->getRecipients(),
+            'sendAsFlashSms'    => $this->getSendAsFlashSms(),
+            'senderAddress'     => $this->getSenderAddress()->get(),
+            'senderAddressType' => $this->getSenderAddressType(),
+            'test'              => $this->isTest(),
+            'validityPeriode'    => $this->getValidityPeriode()
+        ];
+    }
+
+    public function getBody(): array
+    {
+        $body = array_filter( $this->getRawBody(), function( $elm ) {
+            return ! is_null( $elm );
+        } );
+
+        switch ($this->getContentType()) {
+            case RequestInterface::CONTENTTYPE_JSON:
+                return ['json'  => json_encode($body)];
+            default:
+                return $body;
+        }
+    }
+
+    public function getOptions(): array
+    {
+        return array_merge(
+            [
+                'headers' => [
+                    'Accept'            => $this->contentType,
+                    'Content-Type'      => $this->contentType,
+                ]
+
+            ],
+            $this->getBody()
+        );
+    }
+
+    public function setMessage(StringValueObject $message)
+    {
+        $this->message = $message;
+
+        return $this;
+    }
+
+    public function getMessage(): StringValueObject
+    {
+        return $this->message;
+    }
+
+    public function setMethod(string $method)
+    {
+        $this->method = $method;
+
+        return $this;
+    }
+
+    public function getMethod(): string
+    {
+        return $this->method;
+    }
+
+    public static function getMethods(): array
+    {
+        return [
+            RequestInterface::METHOD_GET    => RequestInterface::METHOD_GET,
+            RequestInterface::METHOD_POST   => RequestInterface::METHOD_POST,
+            RequestInterface::METHOD_PUT    => RequestInterface::METHOD_PUT,
+            RequestInterface::METHOD_PATCH  => RequestInterface::METHOD_PATCH,
+            RequestInterface::METHOD_DELETE => RequestInterface::METHOD_DELETE,
+        ];
+    }
+
+    public function setContentType(string $contentType)
+    {
+        $this->contentType = $contentType;
+
+        return $this;
+    }
+
+    public function getContentType() : string
+    {
+        return $this->contentType;
+    }
+
+    public function setClientMessageId($clientMessageId)
+    {
+        $this->clientMessageId = $clientMessageId;
+
+        return $this;
+    }
+
+    public function getClientMessageId()
+    {
+        return $this->clientMessageId;
+    }
+
+    public function setContentCategory(string $contentCategory)
+    {
+        $this->contentCategory = $contentCategory;
+
+        return $this;
+    }
+
+    public function getContentCategory() : string
+    {
+        return $this->contentCategory;
+    }
+
+    public static function getContentCategories(): array
+    {
+        return [
+            RequestInterface::CONTENTCATEGORY_ADVERTISEMENT    => RequestInterface::CONTENTCATEGORY_ADVERTISEMENT,
+            RequestInterface::CONTENTCATEGORY_INFORMATIONAL    => RequestInterface::CONTENTCATEGORY_INFORMATIONAL
+        ];
+    }
+
+    public function setTest(bool $test)
+    {
+        $this->test = $test;
+
+        return $this;
+    }
+
+    public function isTest() : bool
+    {
+        return $this->test;
+    }
+
+    public function setMaxSmsPerMessage(int $maxSmsPerMessage)
+    {
+        $this->maxSmsPerMessage = $maxSmsPerMessage;
+
+        return $this;
+    }
+
+    public function getMaxSmsPerMessage() : int
+    {
+        return $this->maxSmsPerMessage;
+    }
+
+    public function setMessageType(string $messageType)
+    {
+        $this->messageType = $messageType;
+
+        return $this;
+    }
+
+    public function getMessageType() : string
+    {
+        return $this->messageType;
+    }
+
+    /**
+     * @param string|null $notificationCallbackUrl
+     *
+     * @return $this
+     */
+    public function setNotificationCallbackUrl($notificationCallbackUrl)
+    {
+        $this->notificationCallbackUrl = $notificationCallbackUrl;
+
+        return $this;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getNotificationCallbackUrl()
+    {
+        return $this->notificationCallbackUrl;
+    }
+
+    /**
+     * @param string|null $priority
+     *
+     * @return $this
+     */
+    public function setPriority($priority)
+    {
+        $this->priority = $priority;
+
+        return $this;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getPriority()
+    {
+        return $this->priority;
+    }
+
+    /**
+     * @return RecipientsListInterface
+     */
+    public function getRecipientsList() : RecipientsListInterface
+    {
+        return $this->recipientsList;
+    }
+
+    /**
+     * @param array $recipientList
+     *
+     * @return $this
+     */
+    public function setSendAsFlashSms(bool $flashSms)
+    {
+        $this->sendAsFlashSms = $flashSms;
+
+        return $this;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getSendAsFlashSms() : bool
+    {
+        return $this->sendAsFlashSms;
+    }
+
+    /**
+     * @param Sender $senderAddress
+     *
+     * @return $this
+     */
+    public function setSenderAddress(Sender $senderAddress)
+    {
+        $this->senderAddress = $senderAddress;
+
+        return $this;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getSenderAddress() : Sender
+    {
+        return $this->senderAddress;
+    }
+
+    /**
+     * @param $senderAddressType
+     *
+     * @return $this
+     */
+    public function setSenderAddressType($senderAddressType)
+    {
+        $this->senderAddressType = $senderAddressType;
+
+        return $this;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getSenderAddressType()
+    {
+        return $this->senderAddressType;
+    }
+
+    public static function getSenderAddressTypes(): array
+    {
+        return [
+            RequestInterface::SENDERADDRESSTYPE_ALPHANUMERIC    => RequestInterface::SENDERADDRESSTYPE_ALPHANUMERIC,
+            RequestInterface::SENDERADDRESSTYPE_INTERNATIONAL    => RequestInterface::SENDERADDRESSTYPE_INTERNATIONAL,
+            RequestInterface::SENDERADDRESSTYPE_NATIONAL    => RequestInterface::SENDERADDRESSTYPE_NATIONAL,
+            RequestInterface::SENDERADDRESSTYPE_SHORTCODE    => RequestInterface::SENDERADDRESSTYPE_SHORTCODE
+        ];
+    }
+
+    /**
+     * @param $validityPeriode
+     *
+     * @return $this
+     */
+    public function setValidityPeriode($validityPeriode)
+    {
+        $this->validityPeriode = $validityPeriode;
+
+        return $this;
+    }
+
+    /**
+     * @return int|null
+     */
+    public function getValidityPeriode()
+    {
+        return $this->validityPeriode;
+    }
+
+    /**
+     * @return ResponseInterface
+     */
+    public function getResponseInstance(\Psr\Http\Message\ResponseInterface $rawResponse): ResponseInterface
+    {
+        return new $this->getResponseClass($rawResponse);
+    }
+}
\ No newline at end of file
diff --git a/src/Request/RequestInterface.php b/src/Request/RequestInterface.php
new file mode 100644
index 0000000..24c10ad
--- /dev/null
+++ b/src/Request/RequestInterface.php
@@ -0,0 +1,93 @@
+<?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
+ */
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\Request;
+
+use D3\LinkmobilityClient\Response\ResponseInterface;
+
+interface RequestInterface
+{
+    const METHOD_GET = 'GET';
+    const METHOD_POST = 'POST';
+    const METHOD_PUT = 'PUT';
+    const METHOD_PATCH = 'PATCH';
+    const METHOD_DELETE = 'DELETE';
+
+    const CONTENTTYPE_JSON = 'application/json';
+
+    const CONTENTCATEGORY_INFORMATIONAL = 'informational';
+    const CONTENTCATEGORY_ADVERTISEMENT = 'advertisement';
+
+    const MESSAGETYPE_DEFAULT = 'default';
+    const MESSAGETYPE_VOICE = 'voice';
+
+    const SENDERADDRESSTYPE_NATIONAL = 'national';
+    const SENDERADDRESSTYPE_INTERNATIONAL = 'international';
+    const SENDERADDRESSTYPE_ALPHANUMERIC = 'alphanumeric';
+    const SENDERADDRESSTYPE_SHORTCODE = 'shortcode';
+
+    public function setMethod(string $method);
+
+    /**
+     * Must return the HTTP verb for this request, i.e. GET, POST, PUT
+     *
+     * @return string
+     */
+    public function getMethod() : string;
+
+    /**
+     * Must return the URI for the request with a leading slash, i.e. /messages.json
+     *
+     * @return string
+     */
+    public function getUri() : string;
+
+    /**
+     * Must return the body which is being sent as json
+     *
+     * @return array
+     */
+    public function getBody() : array;
+
+    /**
+     * Must return the class to where the response is handed over. It must implement the ResponseInterface
+     *
+     * @return string
+     */
+    public function getResponseClass() : string;
+
+    /**
+     * @param \Psr\Http\Message\ResponseInterface $rawResponse
+     *
+     * @return ResponseInterface
+     */
+    public function getResponseInstance(\Psr\Http\Message\ResponseInterface $rawResponse): ResponseInterface;
+
+    /**
+     * Must return the options for this request. If there are none, return [] (empty array)
+     *
+     * @return array
+     */
+    public function getOptions() : array;
+
+    /**
+     * Must validate the input of the request
+     * This is called before sending the request
+     * Must throw an exception if the validation fails
+     */
+    public function validate() : void;
+}
\ No newline at end of file
diff --git a/src/Response/Response.php b/src/Response/Response.php
new file mode 100644
index 0000000..1373620
--- /dev/null
+++ b/src/Response/Response.php
@@ -0,0 +1,45 @@
+<?php 
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\Response;
+
+use Assert\Assert;
+
+abstract class Response implements ResponseInterface
+{
+    /**
+     * @var array
+     */
+    protected $data;
+
+    /**
+     * @var int
+     */
+    protected $status;
+
+    public function __construct(array $data)
+    {
+        Assert::that($data)->keyExists('status');
+
+        $this->data = $data;
+        $this->status = (int)$this->data['status'];
+
+        if ($this->isSuccessful()) {
+            $this->init();
+        }
+    }
+
+    /**
+     * @return bool
+     */
+    public function isSuccessful(): bool
+    {
+        return $this->status >= 200 && $this->status < 300;
+    }
+
+    public function getError(): string
+    {
+        return $this->isSuccessful() ? '' : $this->data['message'];
+    }
+}
diff --git a/src/Response/ResponseInterface.php b/src/Response/ResponseInterface.php
new file mode 100644
index 0000000..351d9fb
--- /dev/null
+++ b/src/Response/ResponseInterface.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\Response;
+
+interface ResponseInterface
+{
+    /**
+     * Should instantiate the object from the data given
+     */
+    public function init() : void;
+
+    public function __construct(array $data);
+
+    /**
+     * Must return true if the request was successful
+     *
+     * @return bool
+     */
+    public function isSuccessful() : bool;
+
+    /**
+     * This must return the error, if any occurred, else it must return ''
+     *
+     * @return string
+     */
+    public function getError() : string;
+}
diff --git a/src/SMS/Request.php b/src/SMS/Request.php
new file mode 100644
index 0000000..036956b
--- /dev/null
+++ b/src/SMS/Request.php
@@ -0,0 +1,34 @@
+<?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\LinkmobilityClient\SMS;
+
+use D3\LinkmobilityClient\ValueObject\Sender;
+use D3\LinkmobilityClient\ValueObject\SmsMessage;
+
+class Request
+{
+    public function __construct( Sender $sender, SmsMessage $message)
+    {
+        $this = new TextRequest($sender, $message);
+        /*
+        if ($message->isGsm7()) {
+            return new TextRequest($sender, $message);
+        }
+
+        return new TextRequest($sender, $message);
+        */
+    }
+}
\ No newline at end of file
diff --git a/src/SMS/Response.php b/src/SMS/Response.php
new file mode 100644
index 0000000..ff56b06
--- /dev/null
+++ b/src/SMS/Response.php
@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\SMS;
+
+use Assert\Assert;
+use Loevgaard\Linkmobility\Response\BatchStatusResponse\Details;
+use Loevgaard\Linkmobility\Response\BatchStatusResponse\Stat;
+
+class Response extends \D3\LinkmobilityClient\Response\Response
+{
+    /**
+     * @var Stat
+     */
+    protected $stat;
+
+    /**
+     * @var Details
+     */
+    protected $details;
+
+    public function init() : void
+    {
+        Assert::that($this->data)
+            ->keyExists('stat')
+            ->keyExists('details')
+        ;
+
+        $this->stat = new Stat($this->data['stat']);
+        $this->details = new Details($this->data['details']);
+    }
+
+    /**
+     * @return Stat
+     */
+    public function getStat(): Stat
+    {
+        return $this->stat;
+    }
+
+    /**
+     * @return Details
+     */
+    public function getDetails(): Details
+    {
+        return $this->details;
+    }
+}
diff --git a/src/SMS/TextRequest.php b/src/SMS/TextRequest.php
new file mode 100644
index 0000000..0582b00
--- /dev/null
+++ b/src/SMS/TextRequest.php
@@ -0,0 +1,502 @@
+<?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
+ */
+
+declare( strict_types = 1 );
+
+namespace D3\LinkmobilityClient\SMS;
+
+use Assert\Assert;
+use D3\LinkmobilityClient\Request\RequestInterface;
+use D3\LinkmobilityClient\Url;
+use D3\LinkmobilityClient\ValueObject\Message;
+use D3\LinkmobilityClient\ValueObject\Sender;
+use D3\LinkmobilityClient\ValueObject\SmsMessage;
+
+class TextRequest extends \D3\LinkmobilityClient\Request\Request
+{
+    /**
+     * @var Sender
+     */
+    protected $sender;
+
+    /**
+     * @var boolean
+     */
+    protected $status;
+
+    /**
+     * @var string
+     */
+    protected $statusUrl;
+
+    /**
+     * @var string
+     */
+    protected $returnData;
+
+    /**
+     * @var int
+     */
+    protected $class;
+
+    /**
+     * @var \DateTimeInterface
+     */
+    protected $sendTime;
+
+    /**
+     * @var int
+     */
+    protected $price;
+
+    /**
+     * @var boolean
+     */
+    protected $charity;
+
+    /**
+     * @var string
+     */
+    protected $invoiceText;
+
+    /**
+     * @var int
+     */
+    protected $validity;
+
+    /**
+     * @var string
+     */
+    protected $format;
+
+    /**
+     * @var string
+     */
+    protected $udh;
+
+    /**
+     * @var array
+     */
+    protected $attachment;
+
+    /**
+     * @var string
+     */
+    protected $pushUrl;
+
+    /**
+     * @var string
+     */
+    protected $pushExpire;
+
+    /**
+     * @var array
+     */
+    protected $filter;
+
+    /**
+     * @var array
+     */
+    protected $segmentation;
+
+    /**
+     * @var int
+     */
+    protected $pid;
+
+    /**
+     * @var string
+     */
+    protected $advanced;
+
+    /**
+     * @var string
+     */
+    protected $protocol;
+
+    /**
+     * @var string
+     */
+    protected $revenueText;
+
+    public function getUri(): string
+    {
+        return '/smsmessaging/text/';
+    }
+
+    public function validate(): void
+    {
+        parent::validate();
+
+        Assert::thatNullOr( $this->getMessage() )->isInstanceOf(SmsMessage::class);
+    }
+
+    public function getResponseClass(): string
+    {
+        return Response::class;
+    }
+
+    /**
+     * @param Message $message
+     *
+     * @return PostMessageRequest
+     */
+/*
+    public function setMessage( SmsMessage $message )
+    {
+        $this->message = $message;
+
+        if ($message->isGsm7()) {
+            $this->setFormat(SmsMessage::GSM_7BIT);
+        } else {
+            $this->setFormat(SmsMessage::GSM_UCS2);
+        }
+
+        return $this;
+    }
+*/
+
+    /**
+     * @return bool
+     */
+    public function isStatus(): bool
+    {
+        return $this->status;
+    }
+
+    /**
+     * @param bool $status
+     *
+     * @return PostMessageRequest
+     */
+    public function setStatus( bool $status )
+    {
+        $this->status = $status;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getReturnData(): string
+    {
+        return $this->returnData;
+    }
+
+    /**
+     * @param string $returnData
+     *
+     * @return PostMessageRequest
+     */
+    public function setReturnData( string $returnData )
+    {
+        $this->returnData = $returnData;
+
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function getClass(): int
+    {
+        return $this->class;
+    }
+
+    /**
+     * @param int $class
+     *
+     * @return PostMessageRequest
+     */
+    public function setClass( int $class )
+    {
+        $this->class = $class;
+
+        return $this;
+    }
+
+    /**
+     * @return \DateTimeInterface
+     */
+    public function getSendTime(): \DateTimeInterface
+    {
+        return $this->sendTime;
+    }
+
+    /**
+     * @param \DateTimeInterface $sendTime
+     *
+     * @return PostMessageRequest
+     */
+    public function setSendTime( \DateTimeInterface $sendTime )
+    {
+        $this->sendTime = $sendTime;
+
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function getValidity(): int
+    {
+        return $this->validity;
+    }
+
+    /**
+     * @param int|\DateInterval $validity In minutes
+     *
+     * @return PostMessageRequest
+     */
+    public function setValidity( $validity )
+    {
+        if ( $validity instanceof \DateInterval ) {
+            $now      = new \DateTimeImmutable();
+            $seconds  = $now->add( $validity )->getTimestamp() - $now->getTimestamp();
+            $validity = ceil( $seconds / 60 );
+        }
+
+        $validity = (int) $validity;
+
+        $this->validity = $validity;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getFormat(): string
+    {
+        return $this->format;
+    }
+
+    /**
+     * @param string $format
+     *
+     * @return PostMessageRequest
+     */
+    public function setFormat( string $format )
+    {
+        $this->format = $format;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getUdh(): string
+    {
+        return $this->udh;
+    }
+
+    /**
+     * @param string $udh
+     *
+     * @return PostMessageRequest
+     */
+    public function setUdh( string $udh )
+    {
+        $this->udh = $udh;
+
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getAttachment(): array
+    {
+        return $this->attachment;
+    }
+
+    /**
+     * @param array $attachment
+     *
+     * @return PostMessageRequest
+     */
+    public function setAttachment( array $attachment )
+    {
+        $this->attachment = $attachment;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getPushUrl(): string
+    {
+        return $this->pushUrl;
+    }
+
+    /**
+     * @param string $pushUrl
+     *
+     * @return PostMessageRequest
+     */
+    public function setPushUrl( string $pushUrl )
+    {
+        $this->pushUrl = $pushUrl;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getPushExpire(): string
+    {
+        return $this->pushExpire;
+    }
+
+    /**
+     * @param string|\DateTimeInterface $pushExpire
+     *
+     * @return PostMessageRequest
+     */
+    public function setPushExpire( $pushExpire )
+    {
+        if ( $pushExpire instanceof \DateTimeInterface ) {
+            $pushExpire = (string) $pushExpire->getTimestamp();
+        }
+
+        $this->pushExpire = $pushExpire;
+
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getFilter(): array
+    {
+        return $this->filter;
+    }
+
+    /**
+     * @param array $filter
+     *
+     * @return PostMessageRequest
+     */
+    public function setFilter( array $filter )
+    {
+        $this->filter = $filter;
+
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getSegmentation(): array
+    {
+        return $this->segmentation;
+    }
+
+    /**
+     * @param array $segmentation
+     *
+     * @return PostMessageRequest
+     */
+    public function setSegmentation( array $segmentation )
+    {
+        $this->segmentation = $segmentation;
+
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function getPid(): int
+    {
+        return $this->pid;
+    }
+
+    /**
+     * @param int $pid
+     *
+     * @return PostMessageRequest
+     */
+    public function setPid( int $pid )
+    {
+        $this->pid = $pid;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getAdvanced(): string
+    {
+        return $this->advanced;
+    }
+
+    /**
+     * @param string $advanced
+     *
+     * @return PostMessageRequest
+     */
+    public function setAdvanced( string $advanced )
+    {
+        $this->advanced = $advanced;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getProtocol(): string
+    {
+        return $this->protocol;
+    }
+
+    /**
+     * @param string $protocol
+     *
+     * @return PostMessageRequest
+     */
+    public function setProtocol( string $protocol )
+    {
+        $this->protocol = $protocol;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRevenueText(): string
+    {
+        return $this->revenueText;
+    }
+
+    /**
+     * @param string $revenueText
+     *
+     * @return PostMessageRequest
+     */
+    public function setRevenueText( string $revenueText )
+    {
+        $this->revenueText = $revenueText;
+
+        return $this;
+    }
+}
\ No newline at end of file
diff --git a/src/Url.php b/src/Url.php
new file mode 100644
index 0000000..1edd27b
--- /dev/null
+++ b/src/Url.php
@@ -0,0 +1,101 @@
+<?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\LinkmobilityClient;
+
+class Url implements UrlInterface
+{
+    public $baseUri = 'https://api.linkmobility.eu/rest';
+
+    /**
+     * @return string
+     */
+    public function getBaseUri(): string
+    {
+        return $this->baseUri;
+    }
+
+    /**
+     * @param float  $lat
+     * @param float  $lng
+     * @param float  $radius
+     * @param string $sort
+     * @param string $type
+     *
+     * @return string
+     */
+    public function getListUrl(float $lat, float $lng, float $radius, string $sort, string $type): string
+    {
+        $query = http_build_query(
+            [
+                'lat'   => $lat,
+                'lng'   => $lng,
+                'rad'   => $radius,
+                'sort'  => $sort,
+                'type'  => $type,
+                'apikey'=> $this->apiKey
+            ]
+        );
+        return "list.php?$query";
+    }
+
+    /**
+     * @param $stationId
+     *
+     * @return string
+     */
+    public function getStationDetailUrl($stationId): string
+    {
+        $query = http_build_query(
+            [
+                'id'    => $stationId,
+                'apikey'=> $this->apiKey
+            ]
+        );
+        return "detail.php?$query";
+    }
+
+    /**
+     * @param array $stationList
+     *
+     * @return string
+     * @throws ApiException
+     */
+    public function getPricesUrl(array $stationList): string
+    {
+        if (count($stationList) < 1 || count($stationList) > 10) {
+            throw new ApiException('Preisabfrage darf nur zwischen 1 und 10 Stationen beinhalten');
+        }
+
+        $query = http_build_query(
+            [
+                'ids'   => implode( ',', $stationList),
+                'apikey'=> $this->apiKey
+            ]
+        );
+
+        return "prices.php?$query";
+    }
+
+    /**
+     * @return string
+     */
+    public function getComplaintUrl(): string
+    {
+        $query = http_build_query(['apikey'=> $this->apiKey]);
+
+        return $this->baseUri . "complaint.php?$query";
+    }
+}
\ No newline at end of file
diff --git a/src/UrlInterface.php b/src/UrlInterface.php
new file mode 100644
index 0000000..6507feb
--- /dev/null
+++ b/src/UrlInterface.php
@@ -0,0 +1,21 @@
+<?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\LinkmobilityClient;
+
+interface UrlInterface
+{
+    public function getBaseUri(): string;
+}
\ No newline at end of file
diff --git a/src/ValueObject/Recipient.php b/src/ValueObject/Recipient.php
new file mode 100644
index 0000000..77e7b28
--- /dev/null
+++ b/src/ValueObject/Recipient.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\ValueObject;
+
+use Assert\Assert;
+
+class Recipient extends StringValueObject
+{
+    public function __construct(string $value)
+    {
+        // ohne +, dafür mit Ländervorwahl
+        // eine führende 0 scheint lokale Version
+        // zwei führende Nullen einfach weggeschnitten
+
+        //https://github.com/matmar10/msisdn-format-bundle/blob/master/Matmar10/Bundle/MsisdnFormatBundle/Resources/config/msisdn-country-formats.xml
+
+
+        // valid formats can be found here: https://linkmobility.atlassian.net/wiki/spaces/COOL/pages/26017807/08.+Messages#id-08.Messages-recipients
+        Assert::that($value)->regex('/^(\+|c)?[0-9]+$/i', 'Recipient does not match valid phone number.');
+
+        parent::__construct($value);
+    }
+}
diff --git a/src/ValueObject/Sender.php b/src/ValueObject/Sender.php
new file mode 100644
index 0000000..7d3a3ac
--- /dev/null
+++ b/src/ValueObject/Sender.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\ValueObject;
+
+use Assert\Assert;
+
+class Sender extends StringValueObject
+{
+    public function __construct(string $value)
+    {
+        // if the sender is alphanumeric, test the length
+        if (!preg_match('/^\+[0-9]+$/i', $value)) {
+            Assert::that($value)->maxLength(11);
+        }
+
+        parent::__construct($value);
+    }
+}
diff --git a/src/ValueObject/SmsMessage.php b/src/ValueObject/SmsMessage.php
new file mode 100644
index 0000000..a8a9b2b
--- /dev/null
+++ b/src/ValueObject/SmsMessage.php
@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\ValueObject;
+
+use Assert\Assert;
+use Phlib\SmsLength\SmsLength;
+
+class SmsMessage extends StringValueObject
+{
+    const GSM_7BIT = '7-bit';
+    const GSM_UCS2 = 'ucs-2';
+
+    public function __construct(string $value)
+    {
+        parent::__construct($value);
+
+        $smsLength = new SmsLength($this->value);
+        $smsLength->validate();
+    }
+
+    /**
+     * @var bool
+     */
+    private $gsm7;
+
+    public function chunkCount() : int
+    {
+        $smsLength = new SmsLength($this->value);
+        return $smsLength->getMessageCount();
+    }
+
+    public function length() : int
+    {
+        $smsLength = new SmsLength($this->value);
+        $smsLength->getSize();
+    }
+
+    public function isGsm7() : bool
+    {
+        $smsLength = new SmsLength($this->value);
+        if (is_null($this->gsm7)) {
+            $this->gsm7 = $smsLength->getEncoding() === self::GSM_7BIT;
+        }
+
+        return $this->gsm7;
+    }
+
+    public function isUnicode() : bool
+    {
+        return !$this->isGsm7();
+    }
+}
diff --git a/src/ValueObject/StringValueObject.php b/src/ValueObject/StringValueObject.php
new file mode 100644
index 0000000..0e90e3f
--- /dev/null
+++ b/src/ValueObject/StringValueObject.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\ValueObject;
+
+use Assert\Assert;
+
+abstract class StringValueObject extends ValueObject
+{
+    public function __construct(string $value)
+    {
+        Assert::that($value)->notEmpty();
+
+        $this->value = $value;
+    }
+
+    public function __toString()
+    {
+        return $this->get();
+    }
+
+    public function get() : string
+    {
+        return $this->value;
+    }
+}
diff --git a/src/ValueObject/ValueObject.php b/src/ValueObject/ValueObject.php
new file mode 100644
index 0000000..e9467e5
--- /dev/null
+++ b/src/ValueObject/ValueObject.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\ValueObject;
+
+abstract class ValueObject
+{
+    protected $value;
+}