<?php
// +----------------------------------------------------------------------
// | Author: ScottPan Team 
// +----------------------------------------------------------------------

declare (strict_types=1);

namespace app\dao\user\label;

use app\dao\BaseDao;
use app\model\user\label\UserLabelRelation;

/**
 * 用户关联标签
 * Class UserLabelRelationDao
 * @package app\dao\user\label
 */
class UserLabelRelationDao extends BaseDao
{

    /**
     * 设置模型
     * @return string
     */
    protected function setModel(): string
    {
        return UserLabelRelation::class;
    }

    /**
     * 获取用户个标签列表按照用户id进行分组
     * @param array $uids
     * @param int $type
     * @param int $relation_id
     * @return array
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getLabelList(array $uids, int $type = 0, int $relation_id = 0)
    {
        return $this->search(['uid' => $uids])->where('type', $type)->where('relation_id', $relation_id)->with('label')->select()->toArray();
    }

    /**
     * 根据标签查询标签用户数
     * @param array $label_ids 标签ID数组
     * @return array
     */
    public function getLabelUserCount(array $label_ids)
    {
        $list =  $this->search([])->whereIn('label_id', $label_ids)->group('label_id')->field('label_id,count(label_id) as count')->select()->toArray();
        return array_column($list, 'count', 'label_id');
    }

}