/**
  * Update the specified resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function update(Request $request, $id)
 {
     $this->validateCommon($request);
     $article = Article::find($id);
     $this->saveArticle($request, $article);
     return redirect('/admin/articles');
 }
 public function articles($id)
 {
     return view('home.courses.articles', ['article' => Article::find($id)]);
 }