transfer logic into helper class

Author: deargonaut

src/Translatable/Locales.php

@@ -2,6 +2,7 @@
 
 namespace Dimsav\Translatable;
 
+use Dimsav\Translatable\Exception\LocalesNotDefinedException;
 use Illuminate\Contracts\Config\Repository as ConfigContract;
 use Illuminate\Contracts\Translation\Translator as TranslatorContract;
 
@@ -17,9 +18,59 @@ class Locales
      */
     protected $translator;
 
+    /**
+     * @var array
+     */
+    protected $locales = [];
+
     public function __construct(ConfigContract $config, TranslatorContract $translator)
     {
         $this->config = $config;
         $this->translator = $translator;
     }
+
+    public function getLocales(): array
+    {
+        if (empty($this->locales)) {
+            $localesConfig = (array)$this->config->get('translatable.locales', []);
+
+            if (empty($localesConfig)) {
+                throw new LocalesNotDefinedException('Please make sure you have run "php artisan config:publish dimsav/laravel-translatable" and that the locales configuration is defined.');
+            }
+
+            foreach ($localesConfig as $key => $locale) {
+                if (is_array($locale)) {
+                    $this->locales[] = $key;
+                    foreach ($locale as $countryLocale) {
+                        $this->locales[] = $key . $this->getLocaleSeparator() . $countryLocale;
+                    }
+                } else {
+                    $this->locales[] = $locale;
+                }
+            }
+        }
+
+
+        return $this->locales;
+    }
+
+    public function current()
+    {
+        return $this->config->get('translatable.locale') ?: $this->translator->getLocale();
+    }
+
+    public function isLocaleCountryBased(string $locale): bool
+    {
+        return strpos($locale, $this->getLocaleSeparator()) !== false;
+    }
+
+    public function getLanguageFromCountryBasedLocale(string $locale): string
+    {
+        return explode($this->getLocaleSeparator(), $locale)[0];
+    }
+
+    protected function getLocaleSeparator(): string
+    {
+        return $this->config->get('translatable.locale_separator', '-');
+    }
 }