aswi2020merlot-gitlab/app/Http/Controllers/FavoriteMetadataController.php @ bfa73340

<?php

namespace App\Http\Controllers;

use App\Metadata;
use App\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class FavoriteMetadataController extends Controller
{
    const ORDER_COLUMN = 'page';

    public function __construct()
    {
        $this->middleware('auth');
    }

    /**
     * Show list of favourite metadata.
     *
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function index()
    {
        $metadata = User::find(Auth::id())->likesMetadata()->orderBy(self::ORDER_COLUMN)->get();
        foreach($metadata as $item)
        {
            $item['artefact'] = Metadata::find($item->id)->artefact()->first();
        }

        return view('favmetadata.index', ['metadata' => $metadata]);
    }

    /**
     * Unlike metadata given by its id.
     *
     * @param $id int id of metadata
     * @return \Illuminate\Http\RedirectResponse
     */
    public function unlike($id)
    {
        $user = User::find(Auth::id());
        $metadata = Metadata::find($id);

        $user->likesMetadata()->detach($metadata);

        return back()->withInput();
    }

}