<?php
namespace wstmart\app\model;
use think\Db;
/**
 * ============================================================================
 *  文章类
 */
class Articles extends Base{
	/**
	* 获取资讯中心的子集分类id
	*/
	public function getChildIds(){
		$ids = cache('NEW_IDS');
		if(!$ids){
			$data = Db::name('article_cats')->cache(true)->select();
			foreach($data as $k=>$v){
				if($v['parentId']!=7 && $v['catId']!=7 && $v['parentId']!=0 ){
					$ids[] = $v['catId'];
				}
			}
            cache('NEW_IDS',$ids);
		}
		return $ids;
	}

	/**
	* 获取咨询中中心所有文章
	*/
	public function getArticles(){
		// 获取咨询中心下的所有分类id
		$ids = $this->getChildIds();
		$rs = $this->alias('a')
			  ->field('a.*')
			  ->join('__ARTICLE_CATS__ ac','a.catId=ac.catId','inner')
			  ->where(['a.catId'=>['in',$ids],
			  	       'a.isShow'=>1,
			  	       'a.dataFlag'=>1,
			  		   'ac.dataFlag'=>1,
			  		   'ac.isShow'=>1,
			  		   'ac.catType'=>0,
			  		   ])
			  ->order('createTime desc')
			  ->paginate((int)input('pagesize'));
		return $rs;
	}


	/**
	*  根据id获取资讯文章
	*/
	public function getNewsById(){
		$id = (int)input('id');
		WSTArticleVisitorNum($id);// 统计文章访问量
		return $this->alias('a')
					->field('a.*')
					->join('__ARTICLE_CATS__ ac','a.catId=ac.catId','inner')
					->where('ac.catType=0 and a.dataFlag=1 and a.isShow=1')
					->cache(true)
					->find($id);
	}
}