qimall/backend/modules/mall/services/NoticeService.php

<?php

namespace backend\modules\mall\services;

use common\models\backend\BackendNotice;
use common\models\backend\BackendUnreadCount;
use yii\data\Pagination;

/**
 *
 * 应用置顶服务
 */
class NoticeService extends BaseService
{
    /**
     * 获取分页列表
     *
     * @param array $params
     * @return array
     */
    public function getPageList(array $params = [])
    {
        $limit  = $params['limit']  ?? 20;
        $page   = $params['page']   ?? 1;

        $model  = BackendNotice::find();
        $model->andWhere(['mall_id' => $this->mall_id]);

        $pagination = new Pagination(['totalCount' => $model->count(), 'pageSize' => $limit]);
        $model->limit($pagination->limit)->offset($pagination->offset);

        $list = $model->orderBy('id desc')
            ->asArray()
            ->all();

        $data['list']           = $list;
        $data['page_count']     = $pagination->pageCount;
        $data['current_page']   = $page + 1;

        return $data;
    }

    /**
     * 获取未读消息数量
     *
     * @return int
     */
    public function getUnReadCount()
    {
        $count = BackendUnreadCount::getUnReadCount([
            'mall_id' => $this->mall_id
        ]);

        return $count ? $count : 0;
    }

    /**
     * 阅读消息
     *
     * @param integer $id
     * @return boolean
     */
    public function readNotice(int $id)
    {
        return (boolean) BackendNotice::readNotice($id, $this->mall_id);
    }
}