<?php
namespace api\controllers\gm\v1;
use addons\models\AcNews;
use Yii;
use yii\data\Pagination;

class NewsController extends Common
{
	public function beforeAction($action)
		{
			if (!$this->pid) {
				$this->result('您正使用本系统内部接口，禁止非法链接使用！');
			}
			return parent::beforeAction($action);
		}
		
		public function actionIndex()
		{
			$apis = [
				'list'=>'清单',
	            'detail'=>'详情',
				'add'=>'添加',
				'edit'=>'编辑',
				'delete'=>'删除',
				'show'=>'显示',
				'hide'=>'隐藏',
				'ajax'=>'ajax操作'
			];
			$this->result('您正使用CMTS-GM系统文章内容管理接口！', $apis, 200);
		}
		
		public function actionList()
		{
			$s = $this->search();
			$res = $s['res'];
		    if (!$res) {
			    $this->result('没有查询到相应的数据！', [], 0);
	        }
			$news = [];
			foreach ($res as $v) {
				$news[] = $v->toArray();
			}
	        $data= [
	            'total'=>intval($s['query']->count()),
		        'news' => $news,
	            'page'=>$this->page
	        ];
		    $this->result('文章查询成功！', $data, 200);
		}
		
		public function actionDetail()
		{
			$id = (int)Yii::$app->request->get('id');
			if(!$id)  $this->result('请求错误，未携带ID参数');
			$model = new AcNews();
			$res = $model->findOne($id);
			if(!$res) $this->result('未查询到相应数据');
			//SN处理
			if(!$res->sn){
				$sn = $this->idToSn($id,'News');
				if($sn) $res->sn = $sn;
				$res->save();
			}
			$this->result('文章信息查询完成', $res->toArray(), 200);
		}
		
		public function actionAdd()
		{
			//数据预检查、编排
			$data = $this->preSave('add');
			if(!$data) $this->result('数据预检查未通过，保存失败', $data, 100);
			
			//保存资料
	        $model = new AcNews();
	        foreach ($data as $key=>$val) {
	            $model->$key = $val;
	        }
	        $res = $model->save();
			$msg = '数据保存失败!';
			if(!$res) $this->result($msg, [], 100);
			$msg = '数据保存成功!';
			$return = [];
            $return['id']= $model->attributes['id']; //获取插入后id;
			$this->result($msg,$return, 200);
		}
		
		public function actionEdit()
		{
			$detail = $this->preUpdate();
			//数据预检查、编排
			$data = $this->preSave('edit');
			if(!$data) $this->result('数据预检查未通过，保存失败', $data, 100);
			
			//保存资料
	        foreach ($data as $key=>$val) {
	            $detail->$key = $val;
	        }
	        $res = $detail->save();
			$msg = '数据编辑失败!';
			if(!$res) $this->result($msg, [], 100);
			$msg = '数据编辑成功!';
			$return = [];
            $return['data']= $detail;
			$this->result($msg,$return, 200);
		}
		
		public function actionDelete()
		{
			$detail = $this->preUpdate();
			$data = [];
			$data['update_at'] = time();
			$data['deleted'] = $detail->deleted + 1;
			
			//保存资料
	        foreach ($data as $key=>$val) {
	            $detail->$key = $val;
	        }
	        $res = $detail->save();
			$msg = '文章数据删除失败!';
			if(!$res) $this->result($msg, [], 100);
			
			$msg = '文章数据删除成功!';
			$this->result($msg,[], 200);
		}
		
		public function actionAjax()
		{
			$detail = $this->preUpdate();
			$get = Yii::$app->request->get();
			$msg = '';
			$errorCode = 0;
			$detail->update_at = time();
			
			switch ($get['do']) {
				case 'hide':
					$detail->is_show = 0;
					$res = $detail->save();
					if ($res) {
						$msg = '文章隐藏标记成功';
						$errorCode = 200;
					} else {
						$msg = '文章隐藏标记失败';
					}
					break;
				case 'show':
					$detail->is_show = 1;
					$res = $detail->save();
					if ($res) {
						$msg = '文章显示标记成功';
						$errorCode = 200;
					} else {
						$msg = '文章显示标记失败';
					}
					break;
				default:
					break;
			}
			$this->result($msg,[], $errorCode);
		}
		
		private function search(){
			$pid = $this->pid;
			$return = [];
			$model = new AcNews();
			$where = $where2 = [];
			$where['pid'] = $pid;
			$post = $this->postdata;
			$search = $post['search'] ?? [];
			$search['title'] = isset($search['title']) ? trim(htmlspecialchars_decode($search['title'])) : '';
			if (!empty($search['title'])) {
				$where2[] = 'or';
				$where2[] = ['LIKE', 'title', $search['title']];
				$where2[] = ['LIKE', 'des', $search['title']];
			}
			
			$search['cat'] = isset($search['cat']) ? trim(htmlspecialchars_decode($search['cat_sn'])) : '';
			$search['cid'] = isset($search['cid']) ? intval($search['cid']) : 0;
			if (!empty($search['cat'])) {
				$where['cat_sn'] = $search['cat'];
			}elseif ($search['cid']) {
				$where['cid'] = $search['cid'];
			}
			
			$where['deleted'] = 0;
			$data = $model->find()->where($where);
			if ($search['title']) {
				$data = $data->andwhere($where2);
			}
			$pages = new Pagination(['totalCount' => $data->count(), 'pageSize' => $this->pageSize]);
			$res = $data->offset($pages->offset)->limit($pages->limit)->orderBy('order_by DESC')->all();
			
			return ['res'=>$res,'query'=>$data];
		}
		
		/*
		 * 数据更新前的预检查,返回对应关联数据
		 * 必须确保get与post数据中均包含需更新的数据id且一致
		 * */
		private function preUpdate()
		{
			$id = (int)Yii::$app->request->get('id');
			if(!$id)  $this->result('请求错误，未携带ID参数');
			$post = $this->postdata;
			if($post['id'] != $id) $this->result('传参id与请求数据不匹配',[],403);
			$model = new AcNews();
			$res = $model->findOne($id);
			if(!$res) $this->result('未查询到相应数据',[],404);
			//SN处理
			if(!$res->sn){
				$sn = $this->idToSn($id,'News');
				if($sn) $res->sn = $sn;
				$res->save();
			}
			return $res;
		}
		
		/*
		 * 数据保存前的预检查（查重、参数校验等）
		 * 要保存的数据[],直接从post中取出
		 * @op，操作类型（add,edit……）
		 * 校验机制：
		 * 编辑数据时，必须用get方式传入参数id，并与post进来的数据id进行比对，只有一致时才能继续;
		 * 查重：禁止录入重复数据
		 * 返回：校验重组后的数据
		 * */
		private function preSave($op)
	    {
			$post = $this->postdata;
			$data = [];
			//格式化数据
			//目标键=》POST键
		    $_time = time();
			$id = 0;
			$model = new AcNews();
			switch ($op) {
				case 'add':
					$data['is_show'] = 1;
					$data['create_at'] = $_time;
					$data['update_at'] = $data['create_at'];
					$sn = $this->idToSn($id,'News');
					if($sn) $data['sn'] = $sn;
					break;
				case 'edit':
					$id = (int)Yii::$app->request->get('id');
					$_id = (int)$post['id'];
					if(!$id != $_id) $this->result('id参数不匹配，请检查');
					$data['update_at'] = $_time;
					$data['is_show'] = isset($post['is_show']) ? intval($post['is_show']) : 0;
					break;
			}
			
			$data['pid'] = $this->pid;
			
			//目标键=》POST键
	        $cols = ['title'=>'title','des'=>'des'];
	        foreach($cols as $col=>$key){
	            if(isset($post[$key])){
	                $data[$col] = trim($post[$key]);
	            }elseif(!$id){
	                $data[$col] = '';
	            }
	        }
	
	        $cols = ['content'=>'editor'];
	        foreach($cols as $col=>$key){
	            if(isset($post[$key])){
	                $data[$col] = htmlspecialchars($post[$key]);
	            }
	        }
			
			$cols = ['order_by' => 'order_by', 'deleted' => 'deleted','cid'=>'cid','liked'=>'liked','reading'=>'reading','viewed'=>'viewed'];
			foreach ($cols as $col => $key) {
				if(isset($post[$key])){
	                $data[$col] = (int)$post[$key];
	            }
			}
			
			return $data;
	    }
}