<?php

namespace app\api\controller;
use app\api\controller\Base;
use think\Db;
/**
 * @title 文章机构管理
 */
class Organ extends Base
{

    public function __construct(\think\Request $request = null) {
        parent::__construct($request);
    }

    /**
     * 获取文章机构
     * @param file_url 文件地址
     */
    public function lists(){
        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;

        //获取文章ID
        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
        if(empty($iArticleId)){
            return json_encode(['status' => 2,'msg' => 'Please select the article']);
        }
        //用户ID
        $iUserId = empty($aParam['user_id']) ? 0 : $aParam['user_id'];
        if(empty($iUserId)){
            return json_encode(['status' => 2,'msg' => 'Please select author']);
        }
        $aWhere = ['article_id' => $iArticleId,'user_id' => $iUserId,'state' => ['in',[-1,3]]];
        $aArticle = Db::name('article')->field('article_id')->where($aWhere)->find();
        if(empty($aArticle)){
            return json_encode(['status' => 2,'msg' => 'The article does not exist']);
        }
        if(empty($aArticle)){
            return json_encode(['status' => 2,'msg' => 'The article does not exist']);
        }
        //查询文章机构
        $aWhere = ['article_id' => $iArticleId,'state' => 0];
        $aOragn = Db::name('article_organ')->field('organ_id,article_id,organ_name,sort')->where($aWhere)->select();
        return json_encode(['status' => 1,'data' => $aOragn]);
    }
    /**
     * 添加文章机构
     * @param file_url 文件地址
     */
    public function add(){
        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;

        //获取文章ID
        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
        if(empty($iArticleId)){
            return json_encode(['status' => 2,'msg' => 'Please select the article']);
        }
        //用户ID
        $iUserId = empty($aParam['user_id']) ? '' : $aParam['user_id'];
        if(empty($iUserId)){
            return json_encode(['status' => 2,'msg' => 'Please select author']);
        }
        //机构名称
        $sOrganName = empty($aParam['organ_name']) ? '' : $aParam['organ_name'];
        if(empty($sOrganName)){
            return json_encode(['status' => 2,'msg' => 'Please enter the name of the institution']);
        }

        $aWhere = ['article_id' => $iArticleId,'user_id' => $iUserId,'state' => ['in',[-1,3]]];
        $aArticle = Db::name('article')->field('article_id')->where($aWhere)->find();
        if(empty($aArticle)){
            return json_encode(['status' => 2,'msg' => 'The article does not exist']);
        }
        //查询文章机构
        $aWhere = ['article_id' => $iArticleId,'state' => 0,'organ_name' => trim($sOrganName)];
        $aOragn = Db::name('article_organ')->field('organ_id,article_id,organ_name,sort')->where($aWhere)->find();
        if(!empty($aOragn)){
            return json_encode(['status' => 1,'msg' => 'Article organization already exists','data' => $aOragn]);
        }

        //插入机构表
        $aWhere = ['article_id' => $iArticleId,'state' => 0];
        $aOragn = Db::name('article_organ')->field('max(sort) as sort')->where($aWhere)->find();
        $iSort = empty($aOragn['sort']) ? 0 : $aOragn['sort'];
        $iSort += 1;
        $aInsert = ['article_id' => $iArticleId,'organ_name' => $sOrganName,'create_time' => time(),'sort' => $iSort];
        $iId = Db::name('article_organ')->insertGetId($aInsert);
        if(empty($iId)){
            return json_encode(['status' => 3,'msg' => 'Failed to add article organization']);
        }
        $aInsert['organ_id'] = $iId;
        return json_encode(['status' => 1,'msg' => 'success','data' => $aInsert]);
    }
    /**
     * 修改文章机构
     * @param file_url 文件地址
     */
    public function modify(){
        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;

        //获取文章ID
        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
        if(empty($iArticleId)){
            return json_encode(['status' => 2,'msg' => 'Please select the article']);
        }
        //用户ID
        $iUserId = empty($aParam['user_id']) ? '' : $aParam['user_id'];
        if(empty($iUserId)){
            return json_encode(['status' => 2,'msg' => 'Please select author']);
        }

        //机构名称
        $sOrganName = empty($aParam['organ_name']) ? '' : $aParam['organ_name'];
        if(empty($sOrganName)){
            return json_encode(['status' => 2,'msg' => 'Please enter the name of the institution']);
        }

        //获取机构ID
        $iOrganId = empty($aParam['organ_id']) ? 0 : $aParam['organ_id'];
        if(empty($iOrganId)){
            return json_encode(['status' => 2,'msg' => 'Please select the institution to modify']);
        }

        //查询文章
        $aWhere = ['article_id' => $iArticleId,'user_id' => $iUserId,'state' => ['in',[-1,3]]];
        $aArticle = Db::name('article')->field('article_id')->where($aWhere)->find();
        if(empty($aArticle)){
            return json_encode(['status' => 2,'msg' => 'The article does not exist']);
        }
        //查询文章机构
        $aWhere = ['article_id' => $iArticleId,'state' => 0,'organ_id' => $iOrganId];
        $aOragn = Db::name('article_organ')->field('organ_id,article_id,organ_name,sort')->where($aWhere)->find();
        if(empty($aOragn)){
            return json_encode(['status' => 3,'msg' => 'Article organization does not exist','data' => $aOragn]);
        }
        //查询是否有重名
        $aWhere = ['article_id' => $iArticleId,'state' => 0,'organ_id' => ['<>',$iOrganId],'organ_name' => trim($sOrganName)];
        $aOragn = Db::name('article_organ')->field('organ_id')->where($aWhere)->find();
        if(!empty($aOragn)){
            return json_encode(['status' => 1,'msg' => 'Article organization already exists','data' => $aOragn]);
        }

        //更新机构
        $aWhere = ['organ_id' => $iOrganId];
        $aUpdate = ['organ_name' => $sOrganName,'update_time' => time()];
        $result = Db::name('article_organ')->where($aWhere)->limit(1)->update($aUpdate);
        if($result === false){
            return json_encode(['status' => 3,'msg' => 'Failed to update article organization']);
        }
        return json_encode(['status' => 1,'msg' => 'success']);
    }
    /**
     * 删除文章机构
     * @param file_url 文件地址
     */
    public function remove(){
        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;

        //获取文章ID
        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
        if(empty($iArticleId)){
            return json_encode(['status' => 2,'msg' => 'Please select the article']);
        }
        //用户ID
        $iUserId = empty($aParam['user_id']) ? '' : $aParam['user_id'];
        if(empty($iUserId)){
            return json_encode(['status' => 2,'msg' => 'Please select author']);
        }

        //获取机构ID
        $iOrganId = empty($aParam['organ_id']) ? 0 : $aParam['organ_id'];
        if(empty($iOrganId)){
            return json_encode(['status' => 2,'msg' => 'Please select the institution to modify']);
        }

        //查询文章
        $aWhere = ['article_id' => $iArticleId,'user_id' => $iUserId,'state' => ['in',[-1,3]]];
        $aArticle = Db::name('article')->field('article_id')->where($aWhere)->find();
        if(empty($aArticle)){
            return json_encode(['status' => 2,'msg' => 'The article does not exist']);
        }
        //查询文章机构
        $aWhere = ['article_id' => $iArticleId,'state' => 0,'organ_id' => $iOrganId];
        $aOragn = Db::name('article_organ')->field('organ_id,article_id,organ_name,sort')->where($aWhere)->find();
        if(empty($aOragn)){
            return json_encode(['status' => 3,'msg' => 'Article organization does not exist','data' => $aOragn]);
        }

        //作者关联的机构
        $aWhere = ['organ_id' => $iOrganId,'article_id' => $iArticleId,'state' => 0];
        $aId = Db::name('article_author_organ')->where($aWhere)->column('id');

        //删除机构
        Db::startTrans();
        //更新机构状态
        $aWhere = ['organ_id' => $iOrganId];
        $aUpdate = ['state' => 1,'update_time' => time()];
        $result = Db::name('article_organ')->where($aWhere)->limit(1)->update($aUpdate);
        if($result === false){
            return json_encode(['status' => 3,'msg' => 'Failed to update article organization']);
        }
        //更新作者关联的机构
        if(!empty($aId)){
            $aWhere = ['id' => ['in',$aId],'state' => 0];
            $aUpdate = ['state' => 1,'update_time' => time()];
            $author_organ_result = Db::name('article_author_organ')->where($aWhere)->limit(count($aId))->update($aUpdate);
            if($author_organ_result === false){
                return json_encode(['status' => 3,'msg' => 'Failed to unbind the relationship between the institution and the author']);
            }
        }
        Db::commit();
        return json_encode(['status' => 1,'msg' => 'success']);
    }
}