Support currency better

Author: alecritson

src/Candy.php

@@ -26,6 +26,7 @@ class Candy
     protected $token = null;
     protected $driver;
     protected $logger;
+    protected $currency;
 
     public function __construct($app, $driver = 'guzzle')
     {
@@ -85,7 +86,7 @@ public function init($url, array $config = [])
         $this->locale = $config['locale'] ?? $this->locale;
         $this->channel = $config['channel'] ?? $this->channel;
         $this->debug = $config['debug'] ?? false;
-
+        $this->currency = $config['currency'] ?? null;
         $this->client = new Client([
             'base_uri' => $this->getUri(),
         ]);
@@ -106,6 +107,11 @@ public function getChannel()
         return $this->channel;
     }
 
+    public function getCurrency()
+    {
+        return $this->currency;
+    }
+
     public function getLocale()
     {
         return $this->locale;

src/Drivers/AbstractDriver.php

@@ -30,6 +30,7 @@ protected function getDefaultHeaders($force = false)
             'accept' => 'application/json',
             'Content-Type' => 'application/json',
             'X-CANDYAPI' => 'TRUE',
+            'X-CANDY-CURRENCY' => CandyClient::getCurrency(),
             'X-CANDY-CHANNEL' => CandyClient::getChannel(),
             'Accept-Language' => $this->app->getLocale(),
         ];