Replace config('app.locale') with getLocale() (#104)

src/HasTranslations.php

@@ -19,7 +19,7 @@ public function getAttributeValue($key)
             return parent::getAttributeValue($key);
         }
 
-        return $this->getTranslation($key, config('app.locale'));
+        return $this->getTranslation($key, $this->getLocale());
     }
 
     /**
@@ -38,7 +38,7 @@ public function setAttribute($key, $value)
         }
         // if the attribute is translatable and not already translated (=array),
         // set a translation for the current app locale
-        return $this->setTranslation($key, config('app.locale'), $value);
+        return $this->setTranslation($key, $this->getLocale(), $value);
     }
 
     /**
@@ -196,6 +196,11 @@ protected function normalizeLocale(string $key, string $locale, bool $useFallbac
         return $locale;
     }
 
+    protected function getLocale() : string
+    {
+        return config('app.locale');
+    }
+
     public function getTranslatableAttributes() : array
     {
         return is_array($this->translatable)