<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class KeywordHistory extends Model
{
    protected $fillable = [];
    protected $guarded  = [];

    public function addKeywordHistory($keyword, $user)
    {
        if (empty($user)) {
            return;
        }
        $history = $this->firstOrCreate(['name'=>$keyword, 'user_id'=>$user->id]);
        $history->updated_at = date('Y-m-d H:i:s');
        $history->save();
        $hot_keyword = HotKeyword::firstOrCreate(['name'=>$keyword]);
        $hot_keyword->increment('num', 1);
        return;
    }
}