324 lines
11 KiB
PHP
324 lines
11 KiB
PHP
<?php
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namespace app\api\controller\course;
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use app\common\controller\Api;
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use app\common\model\user\Study as StudyModel;
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use think\Cache;
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/**
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* 课程
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*/
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class Course extends Api
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{
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// 无需登录的接口,*表示全部
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protected $noNeedLogin = ['*'];
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protected $noNeedRight = '*';
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protected $SubscriptionModel;
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protected $groupBindModel;
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protected $model;
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public function _initialize()
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{
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header("Access-Control-Allow-Origin:*");
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parent::_initialize();
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$this->model = new \app\admin\model\course\Course;
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$this->styleModel = new StudyModel();
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$this->commentModel = new \app\common\model\course\Comment();
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$this->groupBindModel = new \app\api\model\course\GroupBind();
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$this->columnBindModel = new \app\api\model\course\ColumnBind();
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$this->SubscriptionModel = new \app\common\model\user\Subscription();
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}
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/**
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* 获取课程分组列表
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* @return void
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*/
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public function getList(){
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$limit = input('limit',10);
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$page = input('page',1);
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$groupId = input('group');
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$isDeep = input('is_deep', 1);
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$searchKey = input('searchKey','');
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$sort = input('sort','time');
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$type = input('type','');
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if ($groupId) {
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$groupModel = new \app\admin\model\course\Group();
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$groupIds = [];
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if ($isDeep) {
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$groupIds = $this->getRelatedGroupIds($groupModel, $groupId);
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} else {
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$groupIds = [$groupId];
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}
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$list = $this->groupBindModel->getCourseListByGroupIds($groupIds, [
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'limit'=>$limit,
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'page'=>$page,
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'searchKey'=>$searchKey,
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'sort'=>$sort,
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'type'=>$type,
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]);
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} else {
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$list = $this->groupBindModel->getCourseList(0, [
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'limit'=>$limit,
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'page'=>$page,
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'searchKey'=>$searchKey,
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'sort'=>$sort,
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'type'=>$type,
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]);
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}
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$this->success('获取成功', $list);
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}
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/**
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* 获取分组及其所有相关分组ID（包括上级和下级）
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* @param object $groupModel
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* @param int $groupId
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* @return array
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*/
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protected function getRelatedGroupIds($groupModel, $groupId)
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{
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$groupIds = [$groupId];
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$this->getParentGroupIds($groupModel, $groupId, $groupIds);
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$this->getChildGroupIdsRecursive($groupModel, $groupId, $groupIds);
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return array_unique($groupIds);
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}
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/**
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* 递归获取上级分组ID
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* @param object $groupModel
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* @param int $groupId
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* @param array $groupIds
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*/
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protected function getParentGroupIds($groupModel, $groupId, &$groupIds)
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{
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$group = $groupModel
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->where('id', $groupId)
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->where('status', 1)
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->where('uniacid', UNIACID)
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->find();
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if ($group && $group['parent_id'] > 0) {
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$parent = $groupModel
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->where('id', $group['parent_id'])
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->where('status', 1)
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->where('uniacid', UNIACID)
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->find();
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if ($parent) {
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$groupIds[] = $parent['id'];
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$this->getParentGroupIds($groupModel, $parent['id'], $groupIds);
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}
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}
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}
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/**
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* 递归获取下级分组ID
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* @param object $groupModel
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* @param int $parentId
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* @param array $groupIds
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*/
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protected function getChildGroupIdsRecursive($groupModel, $parentId, &$groupIds)
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{
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$children = $groupModel
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->where('parent_id', $parentId)
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->where('status', 1)
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->where('uniacid', UNIACID)
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->column('id');
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foreach ($children as $childId) {
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$groupIds[] = $childId;
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$this->getChildGroupIdsRecursive($groupModel, $childId, $groupIds);
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}
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}
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/**
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* 获取课程详情
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* @return void
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*/
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public function detail(){
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$id = input('id',0);
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$addViews = input('add_views',0);//是否增加流量，因为直播需要频繁刷新
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$row = $this->model->get($id);
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if (!$row) {
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$this->error(__('No Results were found'));
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}
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$row = $row->toArray();
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$row = $this->model->structrue($row, 'decode');
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//增加浏览量
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if($addViews){
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$this->model->where(['id'=>$id])->setInc('views');
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}
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$buyData = \app\common\model\course\Course::getPrice($row['id']);
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$row = array_merge($row,$buyData);
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$row['subscription'] = \app\common\model\user\Subscription::getSubscriptionAuth($this->auth->id,$row['id']);
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//是否拥有付费会员卡免费权益（用于前端显示【加入学习】按钮）
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$row['vip_free_access'] = \app\common\model\user\Subscription::getVipFreeAccess($this->auth->id,$row['id']);
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if($row['type'] == 'live'){
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$row['try_read_content'] = $row['detail'];
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$row['try_read_status'] = 1;
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$row['live_start_time'] = strtotime($row['live_start_time']);
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$row['live_end_time'] = strtotime($row['live_end_time']);
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//获取直播地址
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$row['live_room'] = (new \app\common\model\live\Room)->courseGetRoom($row['id']);
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if($row['live_type'] == 2){
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//要计算当前播放进度
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$row['live_current_time'] = time() - $row['live_start_time'];
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}
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if($row['subscription']){
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//判断有没有成为直播课程成员
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$userInfo = (new \app\admin\model\live\User)->joinLive($this->auth->id,$row['id']);
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if($userInfo['black']){
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return $this->error("你已被管理员拉黑，无法观看直播");
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}
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}
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}
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$row = $this->courseDataLimit($row);
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$row['is_virtual_pay'] = \app\common\library\pay\VirtualPayService::isUseVirtualPay($row['type']);
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if ($row['is_virtual_pay']) {
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$row = \app\common\library\pay\VirtualPayService::convertPriceFields($row, ['price', 'price_marking']);
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}
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return $this->success("获取成功", $row);
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}
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/**
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* 课程数据限制
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* 根据是否已订阅返回相关数据
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* @param $courseInfo
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* @return void
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*/
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public function courseDataLimit($courseInfo){
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$showField = ['sales_type','type','live_type','live_screen_ratio','live_current_time','live_room','limit_copy','bullet_screen','pay_type','warm_up_cover','type_text','views','video_path','video_patch','name','briefing','live_start_time','live_end_time','price','price_marking','createtime','cover','bind_data','audio_path','detail','id','try_listen_content','try_read_status','try_watch_status','try_watch_content','try_read_content','try_listen_status','subscription','vip_free_access'];
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foreach ($courseInfo as $key => &$item){
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if(!in_array($key,$showField)){
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unset($courseInfo[$key]);
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}
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}
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if(!$courseInfo['subscription']){
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$courseInfo['detail'] = '';
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$courseInfo['audio_path'] = [];
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$courseInfo['video_path'] = [];
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$bindDataFiled = ['id','filename','filesize','filetype','auth'];
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foreach ($courseInfo['bind_data'] as &$item){
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if(!isset($item['auth'])){
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$item['auth'] = 'previewdown';
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}
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foreach ($item as $key => $value){
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if(!in_array($key,$bindDataFiled)){
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unset($item[$key]);
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}
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}
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}
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}
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$courseInfo['study_num'] = $this->styleModel->getCourseStudyNum($courseInfo['id']);
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$courseInfo['comment_num'] = $this->commentModel->getCourseCommentCount($courseInfo['id']);
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$courseInfo['try_listen_status'] = !empty($courseInfo['try_listen_status']) ? true:false;
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$courseInfo['try_read_status'] = !empty($courseInfo['try_read_status']) ? true:false;
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$courseInfo['try_watch_status'] = !empty($courseInfo['try_watch_status']) ? true:false;
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//跑马灯
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$courseInfo['bullet_screen'] = $courseInfo['bullet_screen'] == 1 ? $this->auth->username : 0;
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$vodFileType = ['audio_path','video_path','try_listen_content','try_watch_content'];
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foreach ($vodFileType as $vodFile){
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if(isset($courseInfo[$vodFile]) && $courseInfo[$vodFile] && $courseInfo[$vodFile]['storage'] == 'alivod'){
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$courseInfo[$vodFile]['fullurl'] = \addons\alivod\library\Alivod::parseAliovdTag($courseInfo[$vodFile]['fullurl']);
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}
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}
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$courseInfo['detail'] = \addons\alivod\library\Alivod::parseContentAliovdTag($courseInfo['detail']);
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$courseInfo['try_read_content'] = \addons\alivod\library\Alivod::parseContentAliovdTag($courseInfo['try_read_content']);
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if($courseInfo['bind_data']){
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foreach ($courseInfo['bind_data'] as &$item){
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if(isset($item['fullurl'])){
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try{
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$parseVodTag = \addons\alivod\library\Alivod::getMezzanineInfo($item['fullurl']);
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if($parseVodTag && isset($parseVodTag->Mezzanine) && isset($parseVodTag->Mezzanine->FileURL)){
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$item['fullurl'] = $parseVodTag->Mezzanine->FileURL;
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}
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}catch (\Exception $e){}
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}
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}
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}
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return $courseInfo;
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}
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/**
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* 获取课程所属专栏
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* @return void
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*/
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public function getBelongsColumn($course_id)
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{
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$cacheData = Cache::get(\app\common\constant\cache\Keys::COURSE_BELONGS_COLUMN.$course_id);
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if($cacheData){
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return $this->success("获取成功", $cacheData);
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}
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$list = $this->columnBindModel
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->with(['column'])
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->where([
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'course_id'=>$course_id,
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'column.status'=>1,
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'column_bind.type'=>1,
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'column_bind.status'=>1
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])
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->select();
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if($list){
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foreach ($list as &$item){
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$item->count = $this->columnBindModel->where([
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'column_id'=>$item['column_id']
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])->count();
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$item->getRelation('column')->visible(['name','cover','id']);
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$item->visible(['id','column','count']);
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}
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$list = collection($list)->toArray();
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}
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Cache::tag(\app\common\constant\cache\Keys::COURSE_TAG)->set(\app\common\constant\cache\Keys::COURSE_BELONGS_COLUMN.$course_id,$list);
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return $this->success("获取成功", $list);
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}
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}
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