<?php
/**
 * 【考试中心-后台】 删除试卷
 * @author: houyingcai
 * @email:  594609175@qq.com
 * @date :  2017-05-23 16:29:40
 * @version $Id$
 */

namespace Apicp\Controller\Paper;

use Common\Common\AttachOperation;
use Common\Common\DataCenter;
use Common\Service\AnswerDetailExtendService;
use Common\Service\AnswerDetailService;
use Common\Service\AnswerService;
use Common\Service\PaperService;
use Common\Service\PaperTempService;
use Common\Service\RightService;
use Common\Service\SnapshotService;
use Think\Exception;
use VcySDK\Cron;
use VcySDK\Service;
use Common\Common\StudyMap;

class DeleteController extends AbstractController
{

    /** @var PaperService */
    protected $paper_service;
    /** @var RightService */
    protected $right_service;
    /** @var SnapshotService */
    protected $snapshot_service;
    /** @var PaperTempService */
    protected $paper_temp_service;
    /** @var AnswerService */
    protected $answer_service;
    /** @var AnswerDetailService */
    protected $answer_detail_service;
    /** @var AnswerDetailExtendService */
    protected $answer_detail_extend_service;

    public function before_action($action = '')
    {
        if (!parent::before_action($action)) {

            return false;
        }

        // 实例化试卷表对象
        $this->paper_service = new PaperService();
        // 实例化权限表对象
        $this->right_service = new RightService();
        // 实例化试卷快照表对象
        $this->snapshot_service = new SnapshotService();
        // 实例化试卷临时备选题目储存表对象
        $this->paper_temp_service = new PaperTempService();
        // 实例化试卷答题表
        $this->answer_service = new AnswerService();
        // 实例化试卷答题详情表
        $this->answer_detail_service = new AnswerDetailService();
        // 实例化试卷答题试题扩展详情表
        $this->answer_detail_extend_service = new AnswerDetailExtendService();

        return true;
    }

    public function Index_post()
    {

        $params = I('post.ep_ids');
        $ep_ids = array_column($params, 'ep_id');

        // 试卷ID不能为空
        if (empty($ep_ids) || !is_array($ep_ids)) {

            E('_ERR_EP_ID_EMPY');
        }

        // 被学习路径关联的课程不可删除
        $mapUsedIds = StudyMap::checkAppDataUsed($ep_ids);
        if (!empty($mapUsedIds)) {
            E('_ERR_MAP_USED_CANNOT_DELETE');
        }

        // 获取试卷列表
        $papers_list = $this->paper_service->list_by_conds(['ep_id' => $ep_ids]);

        // 遍历验证是否可删除数据
        foreach ($papers_list as $key => $v) {
            // 如果是常规了考试且是已发布的
            if (PaperService::NOMAL_TYPE == $v['exam_type'] && PaperService::PAPER_PUBLISH == $v['exam_status']) {
                // 如果有在进行中的
                if ($v['begin_time'] < MILLI_TIME && $v['end_time'] >= MILLI_TIME) {
                    E('_EMPTY_PAPER_DEL_DATA');
                }
            }
        }


        $answer_list = $this->answer_service->list_by_conds(['ep_id' => $ep_ids]);
        // 获取回答记录中的语音题回答记录
        $answer_detail_list = $this->answer_detail_service->list_by_conds(['ep_id' => $ep_ids, 'et_type' => PaperService::TOPIC_TYPE_VOICE, 'my_answer<>?' => '']);

        try {

            $this->paper_service->start_trans();
            // 获取所有试卷
            $papers = $papers_list;

            // 删除试卷
            $this->paper_service->delete($ep_ids);

            // 删除试卷权限
            $delete_condition = [
                'epc_id' => $ep_ids,
                'er_type' => PaperService::RIGHT_PAPER
            ];
            $this->right_service->delete_by_conds($delete_condition);

            // 删除回答
            $this->answer_service->delete_by_conds(['ep_id' => $ep_ids]);

            // 删除回答详情
            $this->answer_detail_service->delete_by_conds(['ep_id' => $ep_ids]);

            // 删除试题扩展详情
            $this->answer_detail_extend_service->delete_by_conds(['ep_id' => $ep_ids]);

            // 删除试卷快照
            $this->snapshot_service->delete_by_conds(['ep_id' => $ep_ids]);
            // 删除试卷临时备选题目
            $this->paper_temp_service->delete_by_conds(['ep_id' => $ep_ids]);

            // 循环删除试卷统计的计划任务
            $cron_serv = new Cron(Service::instance());
            foreach ($papers as $key => $val) {
                if (!empty($val['cron_statistics'])) {
                    try {
                        $cron_serv->delete($val['cron_statistics']);
                    } catch (\VcySDK\Exception $e) {
                    }
                }
            }

            $this->paper_service->commit();
        } catch (Exception $e) {

            $this->paper_service->rollback();
            E('_ERR_DELETE_TOPIC_FAILED');

            return false;
        }

        // 删除附件操作
        $attach_serv = new AttachOperation();
        $attach_serv->delete_attach(
            APP_DIR,
            'paper',
            $ep_ids
        );

        // 循环删除推荐
        foreach ($ep_ids as $v) {

            $url = rpcUrl('/Public/Rpc/Recommender/ArticleDelete');
            $data_send = [
                'app' => APP_DIR,
                'dataCategoryId' => '',
                'dataId' => $v
            ];
            \Com\Rpc::phprpc($url)->invoke('Index', $data_send);
        }

        /* 数据中心：删除点赞埋点*/
        // 查询考试的所有回答记录
        $answer_serv = new AnswerService();
        $answer_list = $answer_serv->list_by_conds(['ep_id' => $ep_ids, 'answer_status' => AnswerService::READ_OVER],
            null, [], 'ea_id');
        // 答卷记录id集合
        $cids = [];
        if (!empty($answer_list)) {
            $cids = array_column($answer_list, 'ea_id');
        }

        if (!empty($cids)) {
            $datacenter =& DataCenter::instance();
            // 执行删除
            $datacenter->delLike($cids);
        }

        return true;
    }
}