fix missing recipient bug; add license; update readme

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023-present seven communications GmbH & Co. KG
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -1,13 +1,13 @@
-![](https://www.sms77.io/wp-content/uploads/2019/07/sms77-Logo-400x79.png "sms77 Logo")
+![](https://www.seven.io/wp-content/uploads/Logo.svg "seven Logo")
 
-# sms77 SMS for Open Source Point of Sale
+# seven SMS for Open Source Point of Sale
 
-This code implements sms77 as SMS gateway for sending messages via OSPOS.
+This code implements seven as SMS gateway for sending messages via OSPOS.
 
 ## Prerequisites
 
-- An API Key from [sms77](https://www.sms77.io) - you can create on in
-  your [developer dashboard](https://app.sms77.io/developer).
+- An [API key](https://help.seven.io/en/api-key-access) from [seven](https://www.seven.io) - you can create on in
+  your [developer dashboard](https://app.seven.io/developer).
 - An existing [OSPOS](https://opensourcepos.org/) installation.
 
 ## Installation
@@ -22,7 +22,7 @@ with [Sms_lib.php](Sms_lib.php).
 2. Go to `Configuration -> Setup & Conf -> Message`.
 3. Set `SMS-API Username` to any value, as the field is not used. Just make sure it's not
    empty.
-4. Set `SMS-API Password` to your sms77 API key.
+4. Set `SMS-API Password` to your seven [API key](https://help.seven.io/en/api-key-access).
 5. Set `SMS-API Sender ID` to your sender identifier of choice with a maximum length of 11
    alphanumeric or 16 numeric characters. This value gets displayed as the sender in the
    receivers phone device. Please notice that country specific restrictions may apply,
@@ -34,5 +34,7 @@ See the [screenshot](configuration.png) for an example configuration.
 
 ## Support
 
-Feel free to [contact us](https://www.sms77.io/en/company/contact/) in case you need any
-assistance.
+Feel free to [contact us](https://www.seven.io/en/company/contact/) in case you need any
+assistance.
+
+[![MIT](https://img.shields.io/badge/License-MIT-teal.svg)](LICENSE)

Sms_lib.php

@@ -20,8 +20,8 @@ public function sendSMS($to, $text) {
         $from = $this->CI->config->item('msg_src');
         $response = false;
 
-        if (!empty($password) && !empty($phone) && !empty($text) && !empty($from)) {
-            $ch = curl_init('https://gateway.sms77.io/api/sms');
+        if (!empty($password) && !empty($to) && !empty($text) && !empty($from)) {
+            $ch = curl_init('https://gateway.seven.io/api/sms');
             $options = [
                 CURLOPT_HTTPHEADER => [
                     'Accept: application/json',
@@ -39,5 +39,3 @@ public function sendSMS($to, $text) {
         return $response;
     }
 }
-
-?>