Added Credit object

Author: Franco Dalfovo

.gitignore

@@ -1 +1,2 @@
 /vendor
+.vscode

composer.json

@@ -5,7 +5,7 @@
     "homepage": "http://github.com/comilio/php-sms-send",
     "type": "library",
     "license": "MIT",
-    "version": "0.1.0",
+    "version": "0.2.0",
     "authors": [
         {
             "name": "Comilio",

examples/get_credits.php

@@ -0,0 +1,11 @@
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+$comilio_username = 'your_username_here'; // Please register on https://www.comilio.it
+$comilio_password = 'your_password_here';
+
+$credit = new Comilio\Credit();
+$credit->authenticate($comilio_username, $comilio_password);
+
+var_dump($credit->get());

src/ComilioRequest.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Comilio;
+use \Httpful\Request;
+
+class ComilioRequest
+{
+    protected $username = false,
+            $password = false;
+
+    /**
+    * Set authentication data
+    * @return SmsMessage
+    * @throws Exception
+    */
+    public function authenticate($api_username, $api_password)
+    {
+        $this->username = filter_var($api_username, FILTER_SANITIZE_STRING);
+        $this->password = filter_var($api_password, FILTER_SANITIZE_STRING);
+
+        if ($this->username === false) {
+            throw new Exception("API Username cannot be empty");
+        }
+
+        if ($this->password === false) {
+            throw new Exception("API Password cannot be empty");
+        }
+
+        return $this;
+
+    }
+
+    protected static function buildUrl($resource)
+    {
+       return 'https://api.comilio.it/rest/v1'.$resource;
+    }
+
+}

src/Credit.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Comilio;
+use \Httpful\Request;
+
+class Credit extends ComilioRequest
+{
+
+    public function get()
+    {
+        $get_request = Request::get(self::buildUrl('/credits'));
+        $get_request->autoParse(true);
+        $get_request->authenticateWithBasic($this->username, $this->password);
+
+        $result = $get_request->send();
+
+        switch ($result->code) {
+            case 200:
+                return $result->body;
+            case 401:
+                throw new Exception("Authentication failed");
+                return false;
+            default:
+                throw new Exception("Unable to get SMS credits. Gateway response: $result->raw_body");
+                return false;
+        }
+    }
+    
+
+}

src/SmsMessage.php

@@ -3,15 +3,13 @@
 namespace Comilio;
 use \Httpful\Request;
 
-class SmsMessage
+class SmsMessage extends ComilioRequest
 {
     const SMS_TYPE_CLASSIC = 'Classic';
     const SMS_TYPE_SMART = 'Smart';
     const SMS_TYPE_SMARTPRO = 'SmartPro';
 
-    private $username = false,
-            $password = false,
-            $type = self::SMS_TYPE_SMART,
+    private $type = self::SMS_TYPE_SMART,
             $sender = null,
             $recipients = null,
             $sms_id = null,
@@ -22,28 +20,6 @@ public function __construct($sms_id = null)
         $this->sms_id = $sms_id;
     }
 
-    /**
-    * Set authentication data
-    * @return SmsMessage
-    * @throws Exception
-    */
-    public function authenticate($api_username, $api_password)
-    {
-        $this->username = filter_var($api_username, FILTER_SANITIZE_STRING);
-        $this->password = filter_var($api_password, FILTER_SANITIZE_STRING);
-
-        if ($this->username === false) {
-            throw new Exception("API Username cannot be empty");
-        }
-
-        if ($this->password === false) {
-            throw new Exception("API Password cannot be empty");
-        }
-
-        return $this;
-
-    }
-
     /**
     * Sets SMS type
     * @param string $type message type (one of SmsMessage::SMS_TYPE_CLASSIC, SmsMessage::SMS_TYPE_SMART or SmsMessage::SMS_TYPE_SMARTPRO) defaults to SmsMessage::SMS_TYPE_SMART
@@ -194,11 +170,6 @@ public function getId()
         return $this->sms_id;
     }
 
-    private static function buildUrl($resource)
-    {
-       return 'https://api.comilio.it/rest/v1'.$resource;
-    }
-
     /**
     * Check format of a number
     * @param string $number Number to be checked