初始化项目:添加后端代码、ThinkPHP框架、前端资源
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<?php
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namespace app\common\model\live;
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use think\Model;
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use fast\Random;
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class Room extends Model
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{
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// 表名
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protected $name = 'live_room';
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// 自动写入时间戳字段
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protected $autoWriteTimestamp = 'integer';
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// 定义时间戳字段名
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protected $createTime = 'createtime';
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protected $updateTime = false;
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protected $deleteTime = false;
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// 追加属性
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protected $append = [
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];
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/**
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* 通过课程获取直播间信息
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* @param $courseId
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* @return false
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*/
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public function courseGetRoom($courseId){
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$data = self::with(['course'])
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->where([
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'course_id'=>$courseId
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])->find();
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// ->cache(\app\common\constant\cache\Keys::LIVE_ROOM_CONFIG.$courseId)
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if(!$data){
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return false;
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}
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if($data['course']['live_type'] == 2){
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//这里是伪直播
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$liveVideo = json_decode($data['course']['live_video'],true);
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$liveVideo['fullurl'] = parse_file_url($liveVideo['url'],$liveVideo['storage']);
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$data['push_url'] = [
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'hls'=>$liveVideo['fullurl']
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];
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}elseif($data['course']['live_type'] == 3){
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//自定义播流地址
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$data['push_url'] = [
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'hls'=>$data['course']['live_custom_url']
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];
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}else{
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$data['push_url'] = \app\common\library\live\Url::playUrl($data['app_name'],$data['stream_name']);
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// 阿里云直播且开启多清晰度时,生成各清晰度播流地址
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if(isset($data['course']['live_type']) && $data['course']['live_type'] == 1){
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$liveConfig = \app\common\model\config\System::getConfig('ali_live');
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$multiQualityEnabled = isset($liveConfig['multi_quality_enabled']) ? boolval($liveConfig['multi_quality_enabled']) : false;
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$qualityList = isset($liveConfig['quality_list']) ? $liveConfig['quality_list'] : '[]';
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$qualityList = is_string($qualityList) ? json_decode($qualityList, true) : $qualityList;
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if($multiQualityEnabled && !empty($qualityList) && is_array($qualityList)){
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$qualities = [];
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foreach($qualityList as $quality){
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if(!isset($quality['template_id']) || $quality['template_id'] === ''){
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continue;
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}
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$qualities[] = [
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'name' => isset($quality['name']) ? $quality['name'] : '',
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'template_id' => strval($quality['template_id']),
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'level' => isset($quality['level']) ? intval($quality['level']) : 0,
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'url' => \app\common\library\live\Url::playUrl($data['app_name'], $data['stream_name'], $quality['template_id'])
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];
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}
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if(!empty($qualities)){
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// 按 level 降序排列(最高画质在前),前端默认使用第一个
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usort($qualities, function($a, $b) {
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return $b['level'] - $a['level'];
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});
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$data['qualities'] = $qualities;
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}
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}
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}
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}
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$globalConfig = \app\common\model\app\Config::getConfig('live');
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$config = json_decode($data['config'],true);
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$config = array_merge($globalConfig,$config);
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// 未安装送礼物插件时,强制关闭礼物功能,避免前端仍请求礼物接口
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if(!\app\admin\library\project\App::isInstall('live_gift') || !class_exists('app\admin\model\live\GiftOptions')){
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$config['gift'] = 0;
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}
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$intField = ['goods','comment_audit','bantalk','gift'];
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foreach ($intField as $field){
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if(isset($config[$field])){
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$config[$field] = intval($config[$field]);
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}
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}
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unset($data['course']);
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$data['config'] = $config;
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return $data;
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}
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/**
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* 获取直播间状态
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* @return void
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*/
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public function getRoomStatus($courseId){
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$data = self::with(['course'])
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->where([
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'course_id'=>$courseId
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])->find();
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if(!$data){
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return false;
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}
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$livePushStatus = 'offline';
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if($data['course']['live_type'] == 2 || $data['course']['live_type'] == 3){
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//判断当前是否在直播时间
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if($data['course']['live_start_time'] < time() && $data['course']['live_end_time'] > time()){
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$livePushStatus = 'online';
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}
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}else{
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try{
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$livePushStatus = \app\common\library\live\Room::checkLiveStatus($data['app_name'],$data['stream_name']);
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}catch (\Exception $e){
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$livePushStatus = 'offline';
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}
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}
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if($livePushStatus == 'online'){
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return $livePushStatus;
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}
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$data['config'] = json_decode($data['config'],true);
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if($data->course['live_start_time'] > time()){
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//暂未开始
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return 'not_start';
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}
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if(time() > $data->course['live_end_time']){
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//直播已经结束
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//判断是否开始回放,
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if($data['config']['play_back'] == 1){
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//判断是否开启限制回放时间
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if($data['config']['play_back_type'] == 1 || (isset($data['config']['play_back_validity_time']) && strtotime($data['config']['play_back_validity_time']) > time())){
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//开启后判断有无回放视频
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if(\app\common\model\live\Playback::checkHasPlaybackVideo($courseId)){
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//回放中
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return 'run_playback';
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}
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if($data['course']['live_type'] == 2 && $data['course']['live_video_convert_replay'] == 1){
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return 'run_playback';
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}
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//待上传回放
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return 'wait_playback';
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}
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}
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//已结束 未开启回放
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return 'end';
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}
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//在直播时间内,判断推流状态
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return $livePushStatus;
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}
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/**
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* 获取直播状态列表
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* @return string[]
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*/
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public function getLiveStatusList(){
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return [
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'wait_playback',
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'end',
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'run_playback',
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'not_start',
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'online',
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'offline',
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'forbidden',
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'onlinefaild'
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];
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}
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public function course()
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{
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return $this->belongsTo('app\common\model\course\Course', 'course_id', 'id', [], 'LEFT')->setEagerlyType(0);
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}
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}
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