flox/backend/app/Http/Controllers/SettingController.php

<?php

  namespace App\Http\Controllers;

  use App\Http\Requests\ImportRequest;
  use App\Item;
  use App\Services\Storage;
  use App\Services\TMDB;
  use App\Setting;
  use Illuminate\Support\Facades\Auth;
  use Illuminate\Support\Facades\Input;

  class SettingController {

    private $item;
    private $storage;

    public function __construct(Item $item, Storage $storage)
    {
      $this->item = $item;
      $this->storage = $storage;
    }

    /**
     * Save all movies as json file and return an download response.
     *
     * @return \Symfony\Component\HttpFoundation\BinaryFileResponse
     */
    public function export()
    {
      $items = json_encode($this->item->all());
      $file = date('Y-m-d---H-i') . '.json';

      $this->storage->saveExport($file, $items);

      return response()->download(base_path('../public/exports/' . $file));
    }

    /**
     * Reset item table and restore backup. Download every poster image new.
     *
     * @param ImportRequest $request
     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Symfony\Component\HttpFoundation\Response
     */
    public function import(ImportRequest $request)
    {
      $file = $request->file('import');
      $extension = $file->getClientOriginalExtension();

      if($extension !== 'json') {
        return response('Wrong File', 422);
      }

      $data = json_decode(file_get_contents($file));

      $this->item->truncate();
      foreach($data as $item) {
        $this->item->create((array) $item);
        $this->storage->createPosterFile($item->poster);
      }
    }

    /**
     * Parse full genre list of all movies in database and save them.
     *
     * @param TMDB $tmdb
     */
    public function updateGenre(TMDB $tmdb)
    {
      set_time_limit(300);

      $items = Item::all();

      foreach($items as $item) {
        if( ! $item->genre) {
          $data = [];
          $genres = $tmdb->movie($item->tmdb_id)->genres;
          foreach($genres as $genre) {
            $data[] = $genre->name;
          }

          $item->genre = implode($data, ', ');
          $item->save();

          // Help for TMDb request limit.
          sleep(1);
        }
      }
    }

    /**
     * Return user settings for frontend.
     *
     * @return array
     */
    public function settings()
    {
      $settings = Setting::first();

      // Set default value if settings table is empty.
      $genre = $settings ? $settings->show_genre : 0;
      $date = $settings ? $settings->show_date : 1;

      return [
        'username' => Auth::user()->username,
        'genre' => $genre,
        'date' => $date
      ];
    }

    /**
     * Save new user settings.
     */
    public function changeSettings()
    {
      $settings = Setting::first();

      if( ! $settings) {
        $settings = new Setting();
      }

      $settings->show_date = Input::get('date');
      $settings->show_genre = Input::get('genre');

      $settings->save();
    }
  }