/**
  * View profile of other user function
  *
  * @author Tran Van Moi <[moitran92@gmail.com]>
  * @since 2015/05/12
  * @return Response
  */
 public function getView($user_id = null, $category_id = null)
 {
     $keyword = trim(Input::get('keyword'));
     $category_id = trim($category_id);
     $data = ['user_id' => $user_id];
     $rules = ['user_id' => 'required|exists:users,id'];
     $validator = Validator::make($data, $rules);
     if ($validator->fails()) {
         Session::flash('view_user_error', 'User is not found!');
     } else {
         if ($user_id == Auth::user()->id) {
             return redirect('user/profile');
         }
         $check_user_exist = User::whereDelete_status(0)->whereId($user_id)->first();
         if ($check_user_exist) {
             $data['keyword'] = $keyword;
             $rules = ['keyword' => 'max:150|min:1'];
             $validator = Validator::make($data, $rules);
             if ($validator->fails()) {
                 $data['keyword'] = "";
                 $data['posts'] = Post::get_all_posts($category_id, "", $user_id);
             } else {
                 $data['posts'] = Post::get_all_posts($category_id, $keyword, $user_id);
             }
             $data['categories'] = Category::all();
             if (filter_var($check_user_exist->image, FILTER_VALIDATE_URL) === false) {
                 $check_user_exist->image = URL::to('/') . "/public/images/avatar/" . $check_user_exist->image;
             }
             $data['user_info'] = $check_user_exist;
             $data['total_like'] = Like::total_like_user($user_id);
         } else {
             Session::flash('view_user_error', 'User is not found!');
         }
     }
     return view('user/view', $data);
 }