一、问题列表

app/Question.php 新增方法

public function user()
{
    return $this->belongsTo(User::class);
}

public function scopePublished($query)
{
    return $query->where('is_hidden','F');
}

app/Repositories/QuestionRepository.php 新增方法

public function getQuestionsFeed()
{
    return Question::published()->latest('updated_at')->with('user')->get();
}

修改 app/Providers/AppServiceProvider.php 的方法

public function register()
{
    if(version_compare(PHP_VERSION, '7.2.0', '>=')) {
        error_reporting(E_ALL ^ E_NOTICE ^ E_WARNING);
    }
}

修改 app/Http/Controllers/QuestionsController.php

public function index()
{
    $questions = $this->questionRepository->getQuestionsFeed();
    return view('questions.index', compact('questions'));
}

修改 routes/web.php

Route::get('/', 'QuestionsController@index');

修改 app/Http/Controllers/Auth/LoginController.php

protected $redirectTo = '/';

修改 app/Http/Middlerware/RedirectIfAuthenticated.php

public function handle($request, Closure $next, $guard = null)
{
    if (Auth::guard($guard)->check()) {
        return redirect('/');
    }

    return $next($request);
}

新增 resources/views/questions/index.blade.php

访问：http://127.0.0.1:8000/

二、删除问题

修改 app/Http/Controllers/QuestionsController.php

public function destroy($id)
{
    $question = $this->questionRepository->byId($id);
    if(Auth::user()->owns($question)){
        $question->delete();
        return redirect('/');
    }
    abort(403,'Forbidden');
}

修改 resources/views/questions/show.blade.php