<?php
namespace app\api\controller;
use think\Controller;
use think\Db;
/**
 * @title 补充接口
 * @description 文章接口
 */
class Supplementary extends Controller
{

	public function __construct(\think\Request $request = null) {

        parent::__construct($request);
    }

	/**
	 * @title 获取期刊介绍
	 * @description 获取期刊编辑接口
	 */

	public function getJournalPaperArt(){


		//获取参数
        $aParam = $this->request->post();

        //参数验证
        $sIssn = empty($aParam['issn']) ? '' : $aParam['issn'];
        if(empty($sIssn)){
           return json_encode(['status' => 2,'msg' => 'Please select an journal']);
        }
        //期刊标题
        $sTitle = empty($aParam['journal_title']) ? ['About Journal','About us','Journal Information','Aims and Scope'] : $aParam['journal_title'];

        //根据期刊issn查询期刊ID
        $aWhere = ['state' => 0,'issn' => ['in',$sIssn]]; 
        $aJournal = Db::name('journal')->where($aWhere)->column('journal_id,issn');
        if(empty($aJournal)){
        	return json_encode(['status' => 3,'msg' => 'No journal information found']);
        }
        //查询期刊编辑信息
        $aWhere = ['state' => 0,'journal_id' => ['in',array_keys($aJournal)],'title' => ['in',$sTitle]];
        $aJournalPaperArt = Db::name('journal_paper_art')->field('journal_id,content')->where($aWhere)->select();
        if(empty($aJournalPaperArt)){
            return json_encode(['status' => 1,'msg' => 'data is null']);
        }
        //数据处理
        $keyword = 'Scope';
        foreach ($aJournalPaperArt as $key => $value) {

            $sContent = empty($value['content']) ? '' : $value['content'];
            $sIssn = empty($aJournal[$value['journal_id']]) ? '' : $aJournal[$value['journal_id']];
            if(empty($sContent) || empty($sIssn)){
                continue;
            }
            if(stripos($sContent, $keyword) !== false){
                $aContent[$sIssn] = $sContent;
                continue;
            }
        }
		return json_encode(['status' => 1,'msg' => 'success','data' => empty($aContent) ? [] : $aContent]);	
	}

}
?>