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@@ -0,0 +1,478 @@
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+<?php
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+
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+namespace Question\Src;
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+
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+use Dever;
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+
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+class Api
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+{
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+ private $hidden = true;
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+ private $exam = array();
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+ private $question = array();
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+ private $user = array();
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+
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+ /**
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+ * 获取某个答题规则的数据接口 api.get?id=1
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+ *
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+ * @return mixed
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+ */
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+ public function get()
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+ {
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+ $result = array();
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+ $id = Dever::input('id');
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+ if ($id <= 0 || !$id) {
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+ Dever::alert('规则不存在');
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+ }
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+
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+ $this->exam = Dever::db('question/exam')->one($id);
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+
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+ if (!$this->exam) {
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+ Dever::alert('规则不存在');
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+ }
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+
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+ $question = array();
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+ if ($this->exam['type'] == 1) {
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+ # 首次抽取题目，题目保存在user表中，user表保存答题进度
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+ $question = $this->getQuestion($this->exam['cate_id'], $this->exam['num']);
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+ } elseif ($this->exam['type'] == 3) {
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+ # 固定id得到题目，题目保存在user表中，user表保存答题进度
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+ $question = $this->getQuestion($this->exam['cate_id'], 0, $this->exam['info_ids']);
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+ }
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+
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+ $this->initUser($question);
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+
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+ $result['exam'] = $this->exam;
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+ $result['user'] = $this->user;
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+
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+ $yes = Dever::input('yes', 1);
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+ # 未完成，并且设置了yes==1，则立即开始答题
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+ if ($yes == 1 && $this->user && $this->user['status'] < 3) {
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+ $result['question'] = $this->getQuestionInfo();
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+ }
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+
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+ return $result;
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+ }
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+
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+ /**
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+ * 从某个活动中抽取题目并保存下来
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+ * $category 分类id
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+ * $num 取多少题
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+ * $ids 题目id
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+ * $index 当前是第几题
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+ * $level_ids 难度数量
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+ *
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+ * @return mixed
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+ */
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+ private function getQuestion($category, $num, $ids = false, $index = 0, $level_ids = false)
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+ {
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+ $where = array();
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+ $where['cate_id'] = $category;
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+ if ($ids) {
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+ $where['ids'] = $ids;
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+ }
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+
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+ if ($level_ids) {
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+ # 如果有难度
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+ $level = explode(',', $level_ids);
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+ $level_data = Dever::db('question/level')->getAll();
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+ $index = $index + 1;
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+ $level_info = array();
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+ $i = 1;
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+ foreach ($level as $k => $v) {
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+ $start = $i;
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+ $end = $v;
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+ $i = $end + $i;
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+ $end = $start + $end - 1;
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+ if ($index >= $start && $index <= $end) {
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+ if (isset($level_data[$k])) {
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+ $level_info = $level_data[$k];
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+ }
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+
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+ break;
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+ }
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+ }
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+
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+ if (isset($level_info)) {
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+ $where['level_id'] = $level_info['id'];
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+ } else {
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+ Dever::alert('难度获取失败');
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+ }
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+ }
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+
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+ $data = Dever::db('question/info')->getAll($where);
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+
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+ $question_id = Dever::input('question_id');
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+
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+ if ($question_id > 0) {
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+ if (isset($data[$question_id])) {
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+ return array($data[$question_id]);
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+ } else {
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+ Dever::alert('错误的题目信息');
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+ }
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+ }
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+
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+ $result = array();
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+ if ($data && $num) {
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+ $count = count($data);
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+ if ($num > $count) {
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+ $num = $count;
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+ }
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+ $keys = array_rand($data, $num);
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+
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+ if (is_array($keys)) {
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+ foreach ($keys as $k => $v) {
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+ $result[$v] = $data[$v];
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+ }
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+ } else {
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+ $result[0] = $data[$keys];
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+ }
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+ }
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+
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+ return $result;
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+ }
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+
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+
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+ /**
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+ * 初始化用户信息
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+ *
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+ * @return mixed
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+ */
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+ private function initUser($question = array())
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+ {
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+ if (!$this->exam) {
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+ Dever::alert('规则不存在');
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+ }
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+ $uid = $this->getUid();
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+
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+ # 获取当前最新的一条已完成记录
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+ if ($this->exam['continue'] == 1) {
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+ # 答错可以继续答题 则答完所有题才算完成
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+ $where['where_status'] = 4;
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+ } elseif ($this->exam['continue'] == 2) {
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+ # 答错不可以继续答题 则错误也算完成
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+ $where['where_status'] = 3;
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+ }
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+ $where['where_uid'] = $uid;
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+ $where['where_exam_id'] = $this->exam['id'];
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+ # 获取已完成记录
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+ $finish = Dever::db('question/user')->getFinish($where);
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+
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+ if ($this->exam['continue'] == 2 && $finish && $finish['status'] == 3) {
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+ # 最新一次如果是错误的，则停止继续
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+ $this->user = $finish;
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+ return;
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+ }
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+
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+ # 获取正在进行中的记录
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+ $this->user = Dever::db('question/user')->getUnFinish($where);
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+
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+ $times = 1;
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+ if($finish) {
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+ $times = $finish['times'] + 1;
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+ }
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+
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+ if (!$this->user) {
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+ $insert = array();
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+ $insert['num'] = $this->exam['num'];
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+ if ($question) {
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+ $question = array_keys($question);
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+ $insert['num'] = count($question);
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+ $insert['info_ids'] = implode(',', $question);
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+ }
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+ $insert['uid'] = $uid;
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+ $insert['exam_id'] = $this->exam['id'];
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+ $insert['index'] = 0;
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+ $insert['score'] = 0;
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+ $insert['status'] = 1;
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+ # 检查答题次数 第一次
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+ $insert['times'] = $times;
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+ $id = Dever::db('question/user')->insert($insert);
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+ $this->user = Dever::db('question/user')->one($id);
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+ } else {
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+ $id = $this->user['id'];
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+ }
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+
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+ if ($this->user['status'] >= 3) {
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+ $this->exam['content'] = Dever::array_decode($this->exam['content']);
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+ $this->exam['result'] = array();
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+ foreach ($this->exam['content'] as $k => $v) {
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+ if (strstr($v['score'], '~')) {
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+ $temp = explode('~', $v['score']);
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+ if ($this->user['score'] >= $temp[0] && $this->user['score'] <= $temp[1]) {
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+ unset($v['score']);
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+ $this->exam['result'] = $v;
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+ break;
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+ }
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+ } else {
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+ if ($this->user['score'] == $v['score']) {
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+ unset($v['score']);
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+ $this->exam['result'] = $v;
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+ break;
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+ }
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+ }
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+ }
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+
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+ unset($this->exam['content']);
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+ } else {
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+ unset($this->exam['content']);
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+ }
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+ }
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+
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+ /**
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+ * 获取用户id
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+ *
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+ * @return mixed
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+ */
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+ private function getUid()
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+ {
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+ $id = Dever::input('uid');
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+ if (!$id) {
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+ $save = new \Dever\Session\Oper(DEVER_PROJECT, 'cookie');
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+
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+ $id = $save->get('uid');
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+ if (!$id) {
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+ $id = Dever::id();
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+ $save->add('uid', $id);
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+ }
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+ }
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+
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+
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+ return $id;
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+ }
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+
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+ /**
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+ * 获取题目接口：api.getInfo?user_data_id=1&uid=1
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+ *
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+ * @return mixed
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+ */
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+ public function getInfo()
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+ {
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+ $this->getUser();
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+
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+ $this->exam = Dever::db('question/exam')->one($this->user['exam_id']);
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+
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+ return $this->getQuestionInfo();
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+ }
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+
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+ private function getUser()
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+ {
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+ $uid = $this->getUid();
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+
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+ $id = Dever::input('user_data_id');
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+
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+ $this->user = Dever::db('question/user')->one($id);
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+
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+ if (!$this->user) {
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+ Dever::alert('错误的用户信息');
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+ }
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+
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+ if ($this->user && $uid != $this->user['uid']) {
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+ Dever::alert('错误的用户信息');
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+ }
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+ }
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+
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+
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+ /**
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+ * 获取题目
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+ *
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+ * @return mixed
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+ */
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+ private function getQuestionInfo()
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+ {
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+ if ($this->user && $this->exam) {
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+ # 验证是否答完
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+ if ($this->user['status'] == 4) {
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+ Dever::alert('已经答完所有题目');
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+ }
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+ # 验证是否答错
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+ if ($this->exam['continue'] == 2 && $this->user['status'] == 3) {
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+ Dever::alert('不能继续答题');
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+ }
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+
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+ # 进行中
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+ Dever::db('question/user')->update(array('where_id' => $this->user['id'], 'status' => 2));
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+
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+ if ($this->exam['type'] == 1 && $this->user['info_ids']) {
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+ $question = explode(",", $this->user['info_ids']);
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+ } elseif ($this->exam['type'] == 2) {
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+ # 随机抽取
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+ $data = $this->getQuestion($this->exam['cate_id'], 1, false, $this->user['index']);
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+ $question[$this->user['index']] = $data[0];
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+ } elseif ($this->exam['type'] == 3 && $this->exam['info_ids']) {
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+ # 固定的
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+ $question = explode("\r\n", $this->exam['info_ids']);
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+ } elseif ($this->exam['type'] == 4) {
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+ # 随机抽取并且按照难度抽取
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+ $data = $this->getQuestion($this->exam['cate_id'], 1, false, $this->user['index'], $this->exam['level_ids']);
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+ $question[$this->user['index']] = $data[0];
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+ } else {
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+ Dever::alert('错误的题目类型');
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+ }
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+ }
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+
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+ if (isset($question[$this->user['index']])) {
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+ $data = $question[$this->user['index']];
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+ if (!is_array($data)) {
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+ $data = Dever::db('question/info')->one($data);
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+ }
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+ $data['index'] = $this->user['index'];
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+ $data['num'] = $this->user['num'];
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+
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+ $data['content'] = Dever::array_decode($data['content']);
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+ if ($this->hidden == true) {
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+ foreach ($data['content'] as $k => $v) {
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+ unset($data['content'][$k]['score']);
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+ }
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+ } else {
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+ $data['user_info_ids'] = $this->user['user_info_ids'];
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+ $data['score'] = $this->user['score'];
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+ $data['total'] = $this->exam['num'];
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+ }
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+ $data['user_data_id'] = $this->user['id'];
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+
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+ return $data;
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+ }
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+
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+ Dever::alert('错误的题目信息');
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+ }
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+
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+ /**
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+ * 开始答题接口: api.submit?question_id=1&option=0&user_data_id=1&uid=1&next=1 获取下一题的信息
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+ * 返回参数：status 2为进行中 3答题错误 4答题正确
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+ *
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+ * @return mixed
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+ */
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+ public function submit()
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+ {
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+ $id = Dever::input('user_data_id');
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+ if (!$id) {
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+ Dever::alert('错误的用户信息');
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+ }
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+
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+ $question_id = Dever::input('question_id');
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+ if (!$question_id) {
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+ Dever::alert('错误的题目信息');
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+ }
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+ $option = Dever::input('option', 0);
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+
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+ $one['user_id'] = $id;
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+ $one['uid'] = Dever::input('uid');
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+ $one['info_id'] = Dever::input('question_id');
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+ $one = Dever::db('question/user_answer')->one($one);
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+ if ($one) {
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+ $this->user = Dever::db('question/user')->one($id);
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+ $update['status'] = $this->user['status'];
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+ } else {
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+
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+ $this->hidden = false;
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+ $data = $this->getInfo();
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+
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+ if (!isset($data['content'][$option])) {
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+ Dever::alert('错误的选项信息');
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+ }
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+
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+ $update['user_info_ids'] = $data['user_info_ids'];
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+ if ($update['user_info_ids']) {
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+ $update['user_info_ids'] = explode(',', $update['user_info_ids']);
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+ $update['user_info_ids'][] = $data['id'];
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+ $update['user_info_ids'] = implode(',', $update['user_info_ids']);
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+ } else {
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+ $update['user_info_ids'] = $data['id'];
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+ }
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+
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+ $update['score'] = $data['score'] + $data['content'][$option]['score'];
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+ $update['index'] = $data['index'] + 1;
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+ $update['where_id'] = $data['user_data_id'];
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+
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+ $update['status'] = 2;
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+
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+ if ($update['index'] >= $data['num']) {
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+ # 答题完成
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+ $update['status'] = 4;
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+ # 将当前分数同步到排行榜中去
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+ $this->setRanking($update['score']);
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+ }
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+ if ($this->exam['continue'] == 2 && $data['content'][$option]['score'] == 0) {
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+ #答题错误
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+ $update['status'] = 3;
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+ # 将当前分数同步到排行榜中去
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+ $this->setRanking($update['score']);
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+ }
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+
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+ Dever::db('question/user')->update($update);
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+
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+ $insert['user_id'] = $data['user_data_id'];
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+ $insert['info_id'] = $data['id'];
|
|
|
+ $insert['score'] = $data['content'][$option]['score'];
|
|
|
+ $insert['option'] = $option;
|
|
|
+ $insert['uid'] = $this->user['uid'];
|
|
|
+ $insert['option_name'] = $data['content'][$option]['title'];
|
|
|
+ Dever::db('question/user_answer')->insert($insert);
|
|
|
+ }
|
|
|
+
|
|
|
+ $result = array();
|
|
|
+ $result['status'] = $update['status'];
|
|
|
+ $result['question_id'] = $question_id;
|
|
|
+ $result['option'] = $option;
|
|
|
+ $result['user_data_id'] = $id;
|
|
|
+
|
|
|
+ return $result;
|
|
|
+ }
|
|
|
+
|
|
|
+ private function setRanking($score)
|
|
|
+ {
|
|
|
+ $ranking = Dever::db('question/ranking')->one(array
|
|
|
+ (
|
|
|
+ 'uid' => $this->user['uid'],
|
|
|
+ 'exam_id' => $this->user['exam_id'],
|
|
|
+ ));
|
|
|
+
|
|
|
+ if ($ranking) {
|
|
|
+ if ($ranking['score'] < $score) {
|
|
|
+ $update['uid'] = $this->user['uid'];
|
|
|
+ $update['exam_id'] = $this->user['exam_id'];
|
|
|
+ $update['score'] = $score;
|
|
|
+ $update['times'] = $this->user['times'];
|
|
|
+ $update['where_id'] = $ranking['id'];
|
|
|
+ Dever::db('question/ranking')->update($update);
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+ $insert['uid'] = $this->user['uid'];
|
|
|
+ $insert['exam_id'] = $this->user['exam_id'];
|
|
|
+ $insert['score'] = $score;
|
|
|
+ $insert['times'] = $this->user['times'];
|
|
|
+ Dever::db('question/ranking')->insert($insert);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 复活接口 把当前的status状态值为2即可
|
|
|
+ *
|
|
|
+ * @return mixed
|
|
|
+ */
|
|
|
+ public function continue()
|
|
|
+ {
|
|
|
+ $this->getUser();
|
|
|
+ $update['where_id'] = $this->user['id'];
|
|
|
+ $update['status'] = 2;
|
|
|
+ Dever::db('question/user')->update($update);
|
|
|
+
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 重新挑战接口，重新开始，当前结束
|
|
|
+ *
|
|
|
+ * @return mixed
|
|
|
+ */
|
|
|
+ public function reset()
|
|
|
+ {
|
|
|
+ $this->getUser();
|
|
|
+ $update['where_id'] = $this->user['id'];
|
|
|
+ $update['status'] = 4;
|
|
|
+ Dever::db('question/user')->update($update);
|
|
|
+
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+}
|
dever
5 years ago