SnapshotService.class.php
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<?php
/**
* 考试-试卷快照表
* @author: houyingcai
* @email: 594609175@qq.com
* @date : 2017-05-19 17:49:26
* @version $Id$
*/
namespace Common\Service;
use Common\Common\ExamHelper;
use Common\Model\PaperModel;
use Common\Model\PaperTempModel;
use Common\Model\SnapshotModel;
use Common\Model\TopicModel;
class SnapshotService extends AbstractService
{
/** @var TopicModel */
protected $_d_topic;
/** @var PaperModel */
protected $_d_paper;
/** @var PaperTempModel */
protected $_d_temp;
// 构造方法
public function __construct()
{
$this->_d = new SnapshotModel();
$this->_d_topic = new TopicModel();
$this->_d_paper = new PaperModel();
$this->_d_temp = new PaperTempModel();
parent::__construct();
}
/**
* 格式化后台试题列表
*
* @author daijun
*
* @param array $list
* @param array $info
*
* @return array
*/
public function format_admin_list($list = [], $info = [])
{
$return_list = [];
if (empty($list)) {
return $return_list;
}
$exam_help = new ExamHelper();
foreach ($list as $k => $v) {
$return_list[$k]['et_id'] = intval($v['et_id']);
$return_list[$k]['et_type'] = intval($v['et_type']);
$return_list[$k]['title'] = $v['title'];
$return_list[$k]['score'] = intval($v['score']);
// 处理图片数据
$img_list = [];
if (!empty($v['title_pic'])) {
$img_data = explode(',', $v['title_pic']);
foreach ($img_data as $_k => $_v) {
$img_list[$_k]['img_url'] = imgUrlReal($_v);
}
}
$return_list[$k]['title_pic_list'] = $img_list;
// 处理选项数据
$options_data = [];
if (!empty($v['options'])) {
$options_list = unserialize($v['options']);
// 循环组装选项数据
foreach ($options_list as $_k => $_v) {
$options_data[$_k]['option_name'] = $_v['option_name'];
$options_data[$_k]['option_value'] = $_v['option_value'];
$options_data[$_k]['option_image_id'] = $_v['option_image_id'] ? $_v['option_image_id'] : '';
if (!empty($_v['option_image_id'])) {
$options_data[$_k]['option_image_url'] = imgUrlReal($_v['option_image_id']);
} else {
$options_data[$_k]['option_image_url'] = '';
}
}
}
$return_list[$k]['options'] = $options_data;
// 如果是主观题 2:判断题 3:问答题 5:语音题
if (in_array($v['et_type'], [self::TOPIC_TYPE_JUDGMENT, self::TOPIC_TYPE_QUESTION, self::TOPIC_TYPE_VOICE])) {
$answer = $v['answer'];
} else {
// 如果启用了选项打乱，则需转换正确答案
$options_index = implode(',', array_column($options_data, 'option_name'));
$answer = $exam_help->chang_answer_option($options_index, $v['answer']);
}
$return_list[$k]['answer'] = $answer;
$return_list[$k]['answer_resolve'] = $v['answer_resolve'];
$return_list[$k]['order_num'] = intval($v['order_num']);
}
return $return_list;
}
/**
* 获取已选题列表
*
* @author：daijun
*
* @param int $ep_id 试卷ID
* @param string $fields 查询的字段
*
* @return array
*/
public function get_snapshot_list($ep_id = 0, $fields = 'et_id,title')
{
// 查询已选题列表
$list = $this->_d->list_by_conds(['ep_id' => $ep_id], null, ['order_num' => 'ASC'], $fields);
// 格式化数据
foreach ($list as $k => $v) {
$list[$k]['et_id'] = intval($v['et_id']);
}
return $list;
}
/**
* 将选择的试题存入试题快照表
*
* @author：daijun
*
* @param array $param
*
* @return bool
*/
public function add($param = [])
{
// 验证试卷ID
if (empty($param['ep_id'])) {
E('_EMPTY_EP_ID');
}
// 验证所选题目列表
if (empty($param['topic_list'])) {
E('_EMPTY_CHOICE_ETID');
}
// 获取试题ID集合
$et_ids = array_column($param['topic_list'], 'et_id');
if (empty($et_ids)) {
E('_EMPTY_CHOICE_ETID');
}
// 获取试卷详情
$paper = $this->_d_paper->get($param['ep_id']);
// 获取题目列表
$topic_list = $this->_d_topic->list_by_conds(['et_id' => $et_ids], null, [],
'et_id,et_type,title,title_pic,score,options,answer,answer_resolve,answer_coverage,match_type,answer_keyword');
$topic_list = array_combine_by_key($topic_list, 'et_id');
// 试卷总分
$total_score = 0;
$snapshot = [];
// 出题规则：自主选题
if ($paper['ep_type'] == self::TOPIC_CUSTOMER) {
// 组装试卷编号
$i = self::ORDER_NUM;
// 获取试卷临时备选题目列表
$paper_temp_list = $this->_d_temp->list_by_conds(
['ep_id' => $param['ep_id'], 'et_id' => $et_ids],
null,
[],
'ep_id,et_id,score'
);
$paper_temp_list = array_column($paper_temp_list, null, 'et_id');
// 自主选题，分数按照题目分数计算
foreach ($et_ids as $v) {
$temp_item = $paper_temp_list[$v];
$total_score += intval($temp_item['score']);
// 组装试题序号
$arr = $topic_list[$v];
$arr['score'] = $temp_item['score'];
$arr['ep_id'] = $param['ep_id'];
$arr['order_num'] = $i;
$snapshot[] = $arr;
$i++;
}
} else {
// 规则抽题，分数按照rule字段配置的计算
$rule_data = unserialize($paper['rule']);
// 组装试卷编号
$k = self::ORDER_NUM;
foreach ($et_ids as $v) {
$arr = $topic_list[$v];
// 获取试题配置分数
$arr['score'] = $this->get_score_by_type($arr['et_type'], $rule_data);
$total_score += intval($arr['score']);
$arr['ep_id'] = $param['ep_id'];
// 组装试题序号
$arr['order_num'] = $k;
$snapshot[] = $arr;
$k++;
}
}
if (intval($total_score) == 0) {
// 试卷总分不能为0
return false;
}
try {
// 开始事务
$this->start_trans();
// 删除之前存入的试题
$this->_d->delete_by_conds(['ep_id' => $param['ep_id']]);
// 执行数据插入操作
$this->_d->insert_all($snapshot);
// 更新试卷总分
$this->_d_paper->update($param['ep_id'], ['total_score' => $total_score]);
// 提交事务
$this->commit();
} catch (\Think\Exception $e) {
\Think\Log::record($e);
// 事务回滚
$this->_set_error($e->getMessage(), $e->getCode());
$this->rollback();
return false;
} catch (\Exception $e) {
\Think\Log::record($e);
$this->_set_error($e->getMessage(), $e->getCode());
// 事务回滚
$this->rollback();
return false;
}
return true;
}
/**
* 获取试题快照列表
*
* @author caijianhua
*
* @param array $conds 查询条件参数列表
* @param array $page_option 分页参数
* @param array $order_option 排序参数
* @param string $fields 返回字段
*
* @return array|bool
*/
public function conds_snapshot_list($conds, $page_option = null, $order_option = [], $fields = '*')
{
return $this->_d->conds_snapshot_list($conds, $page_option, $order_option, $fields);
}
/**
* 获取试题快照总数
*
* @author caijainhua
*
* @param array $conds 查询条件参数列表
*
* @return int
*/
public function conds_snapshot_count($conds)
{
return $this->_d->conds_snapshot_count($conds);
}
}