create translation handler

app/Http/Controllers/TranslationController.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\File;
+
+class TranslationController extends Controller
+{
+  /**
+   * @param string $locale
+   * @return \Illuminate\Http\Response
+   */
+  public function get(string $locale = 'id')
+  {
+    app()->setLocale($locale);
+    
+    return $this->all() ?? '{}';
+  }
+
+  /**
+   * @return array|null
+   */
+  public function all()
+  {
+    $path = lang_path(app()->getLocale() . '.json');
+
+    if (File::exists($path)) {
+      return json_decode(File::get($path), true);
+    }
+  }
+
+  /**
+   * @param \Illuminate\Http\Request $request
+   * @param string $locale
+   * @return \Illuminate\Http\Response
+   */
+  public function register(Request $request, string $locale = 'id')
+  {
+    $request->validate([
+      'text' => 'required|string',
+    ]);
+
+    app()->setLocale($locale);
+
+    $all = $this->all() ?? [];
+
+    if (!array_key_exists($request->text, $all)) {
+      $all[$request->text] = $request->text;
+    }
+
+    $path = lang_path($locale . '.json');
+
+    return File::put($path, json_encode(
+      $all, JSON_PRETTY_PRINT
+    ));
+  }
+}