twong329/app/models/user/UserNotice.php

<?php
/**
 *
 * @author: xaboy<365615158@qq.com>
 * @day: 2017/11/11
 */
namespace app\models\user;

use app\admin\model\user\UserNoticeSee;
use crmeb\traits\ModelTrait;
use crmeb\basic\BaseModel;
use think\facade\Db;
use think\facade\Config;
use think\facade\Env;
/**
 * Class UserNotice
 * @package app\models\user
 */
class UserNotice extends BaseModel
{
    use ModelTrait;

    /**
     * 发送系统消息, 一般由管理员后台发出
     * @param $title
     * @param $content
     * @param null $sender
     * @param string $icon
     */
    public static function publishSystemNotice($title, $content, $sender=null, $icon='') {
        if (!$sender) {
            $sender = Config::get('app.notice_sender', '运营中心');
        }
        self::sendNotice($title, $content, 0, 0, $sender, $icon);
    }

    /**
     * 发通知给指定用户, 一般由系统自动发出
     * @param $uid
     * @param $title
     * @param $content
     * @param string $icon
     */
    public static function sendNoticeTo($uid, $title, $content, $icon='') {
        $sender = Config::get('app.notice_sender', '运营中心');
        self::sendNotice($title, $content, $uid, 2, $sender, $icon);
    }

    protected static function sendNotice($title, $content, $uid, $type, $sender, $icon='') {
        $data['uid'] = $uid;
        $data['type'] = $type;
        $data['user'] = $sender;
        $data['title'] = $title;
        $data['content'] = $content;
        $data['add_time'] = time();
        $data['icon'] = $icon;

        self::create($data);
    }
    // 获取未读数
    public static function getNotice($uid){
        $prefix = Env::get('database.prefix', 'eb_');
        $tnotice = $prefix . 'user_notice';
        $tnotice_see = $prefix . 'user_notice_see';
        $sql = sprintf("
            select count(*) as unread from %s where id not in (
                select nid from %s where uid=%d
            ) and uid in (%d, 0) and del_time=0
        ", $tnotice, $tnotice_see, $uid, $uid);
        $row = Db::query($sql);
        $num = intval($row[0]['unread']);
        $max = Config::get('app.notice_max', 30);
        return $num > $max ? $max : $num;
    }

    /**
     * 获取消息列表
     * @return array
     */
    public static function getNoticeList($uid, $page, $limit = 20){
        $max = Config::get('app.notice_max', 30);
        $limit = $max;
        $prefix = Env::get('database.prefix', 'eb_');
        $tnotice = $prefix . 'user_notice';
        $tnotice_see = $prefix . 'user_notice_see';
        $sql = sprintf("
            select n.id, n.icon, n.`user` as `from`, n.title as subject, n.content as `body`, n.add_time as ts, n.`type`, s.id as `read`
            from %s n left join (select id,nid from %s where uid=%d) s on n.id = s.nid 
            where n.uid in (%d, 0) and n.del_time=0
            order by n.add_time desc limit %d,%d
        ", $tnotice, $tnotice_see, $uid, $uid, ($page-1)*$limit, $limit);
        // echo $sql;
        $data = Db::query($sql);

        return $data;
    }

    /**
     * 用户删除消息, 软删除
     * @param $uid
     * @param $ids
     */
    public static function delNotice($uid, $ids) {
        $model = new self;
        $model->where('uid', $uid)->whereIn('id', $ids)->update(['del_time'=>time()]);
    }

    /**
     * 设为已读
     * @param $uid
     * @param $nids
     */
    public static function seeNotice($uid, $nids) {
        $rows = [];
        foreach ($nids as $nid) {
            $rows[] = [
                'nid' => $nid,
                'uid' => $uid,
                'add_time' => time(),
            ];
        }
        try {
            UserNoticeSee::setAll($rows);
        } catch(\Exception $e) {
            warnlog("seeNotice exception.sql=".UserNoticeSee::getLastSql());
        }
    }

    public static function unseeNotice($uid, $nids) {
        foreach ($nids as $nid) {
            try{
                UserNoticeSee::where('uid', $uid)->where('nid', $nid)->delete();
            }catch (\Exception $e){
                warnlog("unseeNotice exception.sql=". UserNoticeSee::getLastSql());
            }
        }
    }
}