// +---------------------------------------------------------------------- namespace App\Services\Common; use App\Models\NoticeModel; use App\Services\BaseService; use App\Services\RedisService; /** * 通知公告-服务类 * @author laravel开发员 * @since 2020/11/11 * Class NoticeService * @package App\Services\Common */ class NoticeService extends BaseService { protected static $instance = null; /** * 构造函数 * @author laravel开发员 * @since 2020/11/11 * NoticeService constructor. */ public function __construct() { $this->model = new NoticeModel(); } /** * 静态入口 * @return static|null */ public static function make() { if (!self::$instance) { self::$instance = (new static()); } return self::$instance; } /** * 列表数据 * @param $params * @param int $pageSize * @return array */ public function getDataList($params, $pageSize = 10) { $where = ['a.mark' => 1,'status'=>1]; $status = isset($params['status'])? $params['status'] : 0; if($status>0){ $where['a.status'] = $status; } $list = $this->model->from('notice as a') ->where($where) ->where(function ($query) use($params){ $keyword = isset($params['keyword'])? $params['keyword'] : ''; if($keyword){ $query->where('a.title','like',"%{$keyword}%"); } }) ->select(['a.*']) ->orderBy('a.id','desc') ->paginate($pageSize > 0 ? $pageSize : 9999999); $list = $list? $list->toArray() :[]; if($list){ foreach($list['data'] as &$item){ $item['create_time'] = $item['create_time']? datetime($item['create_time'],'Y-m-d H.i.s') : ''; } } return [ 'pageSize'=> $pageSize, 'total'=>isset($list['total'])? $list['total'] : 0, 'list'=> isset($list['data'])? $list['data'] : [] ]; } /** * 设置置顶 * @return array * @since 2020/11/21 * @author laravel开发员 */ public function setIsTop() { $data = request()->all(); if (!$data['id']) { return message('记录ID不能为空', false); } if (!$data['is_top']) { return message('设置置顶不能为空', false); } $error = ''; $item = [ 'id' => $data['id'], 'is_top' => $data['is_top'] ]; $rowId = $this->model->edit($item, $error); if (!$rowId) { return message($error, false); } return message(); } /** * 首页推荐公告 * @param $num * @return array|mixed */ public function getRecommandList($num=20) { $cacheKey = "caches:notices:{$num}"; $datas = RedisService::get($cacheKey); if($datas){ return $datas; } $datas = $this->model->where(['status'=>1,'mark'=>1])->orderBy('type','desc')->orderBy('create_time','desc')->limit($num)->get(); $datas = $datas? $datas->toArray() : []; if($datas){ RedisService::set($cacheKey, $datas, rand(10,20)); } return $datas; } /** * @param $id * @return array|string */ public function getInfo($id) { return $this->model->getInfo($id); } public function edit() { RedisService::clear("caches:index:notices"); return parent::edit(); // TODO: Change the autogenerated stub } public function delete() { RedisService::clear("caches:index:notices"); return parent::delete(); // TODO: Change the autogenerated stub } public function status() { RedisService::clear("caches:index:notices"); return parent::status(); // TODO: Change the autogenerated stub } /** * 生成公告 * @param $title * @param string $content */ public function saveNotice($title, $content='') { $data = [ 'title'=> $title, 'content'=> $content?$content:$title, 'type'=> 1, 'create_time'=>time(), 'update_time'=>time(), 'status'=>1, 'mark'=>1 ]; NoticeModel::insert($data); if(NoticeModel::where(['type'=>2])->count('id')>=10){ NoticeModel::where(['type'=>2])->where('create_time','<=', time() - 600)->delete(); } // 清除缓存 RedisService::keyDel("caches:notices*"); RedisService::keyDel("caches:config:app*"); return true; } }