当用户点击赞按钮时，只显示赞按钮

Question

   // LIke the page code    
     public function like($id){

        $user_id = Auth::user()->id;
        $like_user = article_likes::where(
            ['user_id'=>$user_id,
            'article_id' => $id]
        )->first();

        if(empty($like_user->user_id)){
            $user_id = Auth::user()->id;
            $article_id = $id;

            $likes = new article_likes();
            $likes->user_id = $user_id;
            $likes->article_id = $article_id;
            $likes->save();
            return redirect()->back();
        }else{
            return redirect()->back();
        }
    }

     // Dislike the page 
    public function dislike($id){
        $user_id = Auth::user()->id;
        $like_user = article_dislikes::where(
            ['user_id'=>$user_id,
            'article_id' => $id]
        )->first();

        if(empty($like_user->user_id)){
            $user_id = Auth::user()->id;
            $article_id = $id;

            $likes = new article_dislikes();
            $likes->user_id = $user_id;
            $likes->article_id = $article_id;
            $likes->save();
            return redirect()->back();
        }else{
            return redirect()->back();
        }
    }

Blade 页数

<div>
  <span class="">You think it is helpfull?</span>
  <a href="{{url('/likes/'.$articles->id)}}" class="btn btn-success btn-sm"><i class="fa fa-thumbs-up"></i></a>
  <a href="{{url('/dislikes/'.$articles->id)}}" class="btn btn-danger  btn-sm"><i class="fa fa-thumbs-down"></i></a>    
</div>

我想实现这样的场景：当用户通过点击赞按钮喜欢post时，只显示赞按钮，不显示不喜欢按钮。同样，当用户点击不喜欢按钮时，显示不喜欢按钮，而不是喜欢按钮。

Answer 1

我不知道你的控制器长什么样，所以我会这样做：

class ArticleController extends Controller
{
    public function show(Article $article)
    {
        $dislike_user = article_dislikes::where(
            ['user_id'=>$user_id,
            'article_id' => $id]
        )->first();

        $like_user = article_likes::where(
            ['user_id'=>$user_id,
            'article_id' => $id]
        )->first();

        $rating = 0;
        if ($like_user !== null) {
            $rating = 1;
        }
        if ($dislike_user !== null) {
            $rating = -1;
        }
        return view('article', compact('article', 'rating'));
    }
}

<div>
  <span class="">You think it is helpfull?</span>
  @if($rating === 1)
    <a href="{{url('/likes/'.$articles->id)}}" class="btn btn-success btn-sm"><i class="fa fa-thumbs-up"></i></a>
  @endif
  @if($rating === -1)
    <a href="{{url('/dislikes/'.$articles->id)}}" class="btn btn-danger  btn-sm"><i class="fa fa-thumbs-down"></i></a>   
  @endif 
</div>

当用户点击赞按钮时，只显示赞按钮

When user click on like butten then show only like button

php

laravel

eloquent

laravel-4

laravel-5