lachang/app/common/model/UserFavorite.php

<?php

namespace app\common\model;

/**
 * 用户收藏模型
 * Class UserFavorite
 * @package app\common\model
 */
class UserFavorite extends BaseModel
{

    protected $name = 'user_favorites';

    /**
     * 获取收藏对应的多态模型。
     */
    public function target()
    {
        return $this->morphTo('target', [
            1 => 'app\common\model\Goods',  //商品
        ]);
    }

    //获取列表
    public function getList($userId, $target_type = 1, $exclude_target_id = [])
    {
        if (!empty($exclude_target_id)) {
            $this->where('target_id', 'not in', $exclude_target_id);
        }
        $list = $this->where('user_id', '=', $userId)
            ->where('target_type', '=', $target_type)->order(['id' => 'desc'])
            ->paginate();
        return $list;
    }

    public function getOne($user_id, $target_type, $target_id)
    {
        return $this->where('user_id', '=', $user_id)
            ->where('target_type', $target_type)
            ->where('target_id', $target_id)
            ->find();
    }

    public function addOne($user_id, $target_type, $target_id)
    {
        $data['user_id'] = $user_id;
        $data['target_type'] = $target_type;
        $data['target_id'] = $target_id;
        $this->save($data);
    }

    public function deleteOne($user_id, $target_type, $target_id)
    {
        $data['user_id'] = $user_id;
        $data['target_type'] = $target_type;
        $data['target_id'] = $target_id;
        $this->where($data)->delete();
    }

    public function getGoodCollect($user_id, $target_id, $target_type = 1)
    {
        if (empty($user_id)) {
            return false;
        }
        $one = $this->getOne($user_id, $target_type, $target_id);
        if (empty($one)) {
            return false;
        }
        return true;
    }
}