<?php

namespace App\Models;

use App\User;
use Auth;

class Favorite extends Model
{
    public function user()
    {
        return $this->belongsTo(user::class)->withDefault();
    }

    public function item()
    {
        return $this->morphTo();
    }

    public function scopeMine($query)
    {
        return $query->where('user_id', Auth::id());
    }

    public static function isFavorite($item_id, $type)
    {
        $user_id   = Auth::id();
        $item_type = "App\Models\\" . $type;
        $num       = Self::where('user_id', $user_id)->where('item_id', $item_id)->where('item_type', $item_type)->count() ?? 0;
        return $num;
    }
}