CreateExamController.class.php
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<?php
/**
* 自动创建考卷
* Created by PhpStorm.
* User: yingcai
* Date: 2017/8/9
* Time: 下午3:12
*/
namespace Frontend\Controller\Callback;
use Common\Service\AnswerDetailTempService;
use Common\Service\AnswerTempService;
use Common\Service\PaperService;
use VcySDK\Cron;
use VcySDK\Service;
class CreateExamController extends AbstractController
{
// 默认生成答卷份数
const DEFAULT_CREATE_PAPERS = 50;
// 生成考卷与人数比例
const PERCENT_PAPERS = 0.4;
// 默认考卷状态
const DEFAULT_ANSWER_STATUS = 0;
// 常规考试
const NOMAL_TYPE = 1;
// 非常规类生成考卷份数
const UN_NOMAL_CREATE_PAPERS = 10;
// 计划任务最大时间
const CRON_TIME_MAX = 20;
// 计划任务最小时间
const CRON_TIME_MIN = 10;
/** @var PaperService 试卷信息表 */
protected $paper_s;
/** @var AnswerTempService 随机答卷临时表 */
protected $answer_temp;
/** @var AnswerDetailTempService 随机答卷详情临时表 */
protected $answer_temp_detail;
public function before_action($action = '')
{
if (!parent::before_action($action)) {
return false;
}
// 实例化试卷表
$this->paper_s = new PaperService();
// 实例化随机答卷临时表
$this->answer_temp = new AnswerTempService();
// 实例化随机答卷详情临时表
$this->answer_temp_detail = new AnswerDetailTempService();
return true;
}
public function Index()
{
set_time_limit(0);
// 获取需要发送的试卷id
$back = $this->callBackData;
$ep_id = $back['ep_id'];
// 非空判断
if (empty($ep_id)) {
return true;
}
// 获取试卷基本详情
$paper = $this->paper_s->get($ep_id);
if (empty($paper)) {
return true;
}
// 是否是随机抽题
if ($paper['ep_type'] != PaperService::TOPIC_RANDOM) {
return true;
}
$cron_serv = new Cron(Service::instance());
// 非常规类生成考卷份数
$papers_count = self::UN_NOMAL_CREATE_PAPERS;
// 常规考试
if (self::NOMAL_TYPE == $paper['exam_type']) {
// 应生成的考卷总份数（即权限范围总人数）
$exam_papers = $paper['unjoin_count'] + $paper['join_count'];
// 实际应生成的考卷份数
$papers_count = round($exam_papers * self::PERCENT_PAPERS);
}
// 获取已生成的考卷数量
$create_exam_papers = $this->answer_temp->count_by_conds(['ep_id' => $ep_id]);
// 生成的考卷数量已达到上限
if (($create_exam_papers > $papers_count || ($paper['end_time'] > 0 && $paper['end_time'] <= MILLI_TIME)
|| PaperService::PAPER_STOP == $paper['exam_status']) && !empty($paper['corn_create_exam'])
) {
// 删除计划任务
$cron_serv->delete($paper['corn_create_exam']);
// 更新试卷计划任务为空
$this->paper_s->update($ep_id, ['corn_create_exam' => '']);
return true;
}
// 实际应生成的考卷份数：应生成份数-已有份数
$create_papers_count = $papers_count - $create_exam_papers;
// 实际应生成考卷分数大于低限设置
if ($create_papers_count > self::DEFAULT_CREATE_PAPERS) {
// 按比例应生成的考卷分数（四舍五入取整）
$c = round($create_papers_count * self::PERCENT_PAPERS);
} else { // 实际应生成考卷份数小于等于低限设置
// 取实际应生成考卷份数
$c = $create_papers_count;
}
for ($i = 0; $i < $c; $i++) {
// 题库信息
$bank_topic_data = unserialize($paper['bank_topic_data']);
//题库ID集合
$bank_ids = array_column($bank_topic_data, 'eb_id');
// 选题规则
$rule_data = [];
if (!empty($paper['rule'])) {
$rule_data = unserialize($paper['rule']);
}
// 新数据随机抽题
$snapshot = $this->paper_s->random_rule_topic($bank_ids, $paper['ep_id'], $bank_topic_data, $rule_data);
// 抽题失败
if (empty($snapshot)) {
return true;
}
// 组装随机答卷临时表数据
$data_temp = [
'ep_id' => $ep_id,
'answer_status' => self::DEFAULT_ANSWER_STATUS,
];
// 插入随机答卷临时表
$eat_id = $this->answer_temp->insert($data_temp);
// 组装随机答卷临时详情表数据
foreach ($snapshot as &$val) {
$val['eat_id'] = $eat_id;
unset($val['eb_id'], $val['domain'], $val['status'], $val['created'], $val['updated'], $val['deleted']);
}
// 插入随机答卷临时表
$this->answer_temp_detail->insert_all($snapshot);
}
// 修改计划任务执行时间
$exam_begin_time = to_second_time($paper['begin_time']);
// 计算当前距离考试开始时间还有多久
$m_time = $exam_begin_time - NOW_TIME;
$minute = $m_time > 0 ? floor($m_time / 60) : 0;
// 距离考试开始大于20分钟
if ($minute > self::CRON_TIME_MAX) {
$params = [
'crId' => $paper['corn_create_exam'],
'crCron' => '0 0/20 * * * ?'
];
$cron_serv->update($params);
// 距离考试考试在10到20分钟之间
} elseif ($minute > self::CRON_TIME_MIN && $minute <= self::CRON_TIME_MAX) {
$params = [
'crId' => $paper['corn_create_exam'],
'crCron' => '0 0/10 * * * ?'
];
$cron_serv->update($params);
}
return true;
}
}