DetailController.class.php
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<?php
/**
* 直播活动详情接口
* Created by PhpStorm.
* User: yingcai
* Date: 2018/1/9
* Time: 上午10:45
*/
namespace Api\Controller\Room;
use Com\LiveSDK;
use Common\Common\Constant;
use Common\Common\Order;
use Common\Common\User;
use Common\Service\MainService;
use Common\Service\ParticipateService;
use Common\Service\RangeService;
use Common\Service\RoleService;
use Common\Service\StudioFileService;
use Common\Service\StudioPlaybackService;
use Common\Service\StudioService;
use Org\Util\DistributedRedisLock;
use VcySDK\Enterprise;
use VcySDK\Service;
class DetailController extends AbstractController
{
/**
* Detail
* @author houyingcai
* @desc 直播活动详情接口
* @param Int lm_id:true:1 直播活动ID
* @return array|bool 直播列表
array(
'live_status' => 1, // 直播状态（1：草稿，2：未开始，3：进行中，4：已结束）
'watched_total' => 123, // 当前进入直播间的人数
'start_time' => 1515407868910, // 直播开始时间
'name' => '产品培训讲解', // 直播名称
'estimated_duration' => 45, // 预计时长（单位：分钟）
'live_desc' => '直播描述', // 直播描述
'pic' => 'b3ddbc502e307665f346cbd6e52cc10d', // 封面图ID
'pic_url' => 'http://qy.vchangyi.org', // 封面图片URL
'lecturer' => '王宇', // 讲师姓名
'avatar' => 'http://qy.vchangyi.org', // 讲师头像URL
'lecturer_title' => '金牌讲师', // 讲师头衔
'lecturer_desc' => '讲师简介', // 讲师简介
'end_time' => 12312312312, // 结束时间
'has_playback' => true, // 是否有回放 true 有 false 无
)
*/
public function Index_post()
{
$lmId = I('post.lm_id', 0, 'rintval');
// 直播ID不能为空
if (!$lmId) {
E('_EMPTY_LIVE_ID');
}
// 获取直播信息
$mainService = new MainService();
$mainDetail = $mainService->get($lmId);
// 直播信息不存在
if (empty($mainDetail)) {
E('_ERR_LIVE_NOT_EXISTS');
}
// 获取讲师信息
$roleService = new RoleService();
$roleInfo = $roleService->get_by_conds([
'lm_id' => $lmId
]);
// 判断是否有观看权限
$rangeService = new RangeService();
$user = $this->_login->user;
$checkRes = $rangeService->checkUserRange($user, $lmId);
if (!$checkRes && $this->uid != $roleInfo['obj_id']) {
E('_ERR_NOT_WATCHED_RANGE');
}
// 格式化直播状态
$live_status = $mainService->live_status($mainDetail['live_status'], $mainDetail['start_time']);
if ($roleInfo['type'] == Constant::LIVE_ROLE_TYPE_DEFAULT) {
$lecturer = $roleInfo['obj_id'];
// 系统管理员没有头像
$avatar = '';
} else {
// 获取讲师个人信息
$userService = &User::instance();
$lecturerInfo = $userService->getByUid($roleInfo['obj_id']);
$lecturer = $lecturerInfo['memUsername'];
$avatar = $userService->avatar($roleInfo['obj_id'], $lecturerInfo);
}
// 先判断当前用户有没有观看记录
$participateServ = new ParticipateService();
$isParRes = $participateServ->count_by_conds([
'lm_id' => $lmId,
'obj_id' => $this->uid,
]);
// 获取直播地址
$liveSdk = new LiveSDK();
$studioServ = new StudioService();
$studioDetail = $studioServ->get_by_conds(['lm_id' => $mainDetail['lm_id']]);
$playURLList = $liveSdk->getPlayUrl($studioDetail['stream_id']);
$playUrl = $playURLList[2];
// 初始化 Redis
$redis = new \Redis();
$redis->connect(cfg('REDIS_HOST'), cfg('REDIS_PORT'));
if (cfg('REDIS_PWD')) {
$redis->auth(cfg('REDIS_PWD'));
}
// 是否在线
$userInRedisKey = 'Live_' . $lmId . '_USER_' . $this->uid;
// 不在 在线列表内 并且 直播活动没有结束
if (!$redis->exists($userInRedisKey) &&
$mainDetail['live_status'] != Constant::LIVE_STATUS_OVER) {
// 获取锁
$redLock = new DistributedRedisLock([$redis], 500, 10);
$lock = $redLock->lock('Live_' . $lmId . '_Lock_Update_Peak', 1000);
if (!$lock) {
E('_ERR_PLEASE_TRY_AGAIN_LATER');
}
// 获取当前在线人数
$onlineMemberNum = count($redis->keys('Live_' . $lmId . '_USER_*'));
// 获取峰值
$redisKeyNamePeak = 'Live_' . $lmId . '_PEAK';
$peakMemberNum = $redis->get($redisKeyNamePeak) ?: $mainDetail['online_peak'];
// 在线人数超过峰值
if ((++ $onlineMemberNum) > $peakMemberNum) {
// isStandard -- 企业是否使用标准产品 : 0:非标准, 1:标准产品
$sdk = new Enterprise(Service::instance());
$epDetail = $sdk->detail();
if (1 == $epDetail['isStandard']) {
// 扣减并发人数
$orderUtil = new Order();
$deductionsSuccess = $orderUtil->LiveCaseExpend([
'liveCastId' => $studioDetail['stream_id'],
'lcelSpendAmout' => 1
]);
\Think\Log::record('扣减结果:::' . var_export($deductionsSuccess, true));
// 扣减失败
if (!$deductionsSuccess) {
E('_ERR_PLEASE_TRY_AGAIN_LATER');
}
}
// 单个用户进来只会增加一个峰值
$redis->incr($redisKeyNamePeak);
$redis->expire($redisKeyNamePeak, Constant::PEAK_SURVIVAL_TIME);
// 增加峰值
$mainService->update($lmId, ['online_peak = online_peak + ?' => 1]);
}
// 释放锁
$redLock->unlock($lock);
}
// 算进在线人数内
$redis->set($userInRedisKey, '', Constant::ONLINE_SURVIVAL_TIME);
// 没有观看记录
if (!$isParRes) {
// 新增一条观看记录
$insertData = [
'lm_id' => $lmId,
'obj_id' => $this->uid,
];
$participateServ->insert($insertData);
// 更新主表观看人数字段
$mainService->update($lmId, ['watched_total = watched_total + ?' => 1]);
$mainDetail['watched_total'] = $mainDetail['watched_total'] + 1;
} else {
// 更新最后观看记录时间
$participateServ->update_by_conds(
[
'lm_id' => $lmId,
'obj_id' => $this->uid,
],
['updated' => MILLI_TIME]
);
}
// 直播已经结束
if ($mainDetail['live_status'] == Constant::LIVE_STATUS_OVER) {
// 获取回放地址
$studioPlayBackServ = new StudioPlaybackService();
$playBackList = $studioPlayBackServ->list_by_conds(['lm_id' => $lmId]);
if (!empty($playBackList)) {
$playBackList = array_combine_by_key($playBackList, 'number');
ksort($playBackList);
}
$playUrl = array_column($playBackList, 'sd');
}
// 返回数据
$this->_result = [
'live_status' => intval($live_status),
'watched_total' => $mainDetail['watched_total'],
'start_time' => $mainDetail['start_time'],
'end_time' => $mainDetail['end_time'],
'name' => $mainDetail['name'],
'estimated_duration' => $mainDetail['estimated_duration'],
'live_desc' => $mainDetail['desc'],
'pic' => $mainDetail['pic'],
'pic_url' => $mainService->formatCover($mainDetail['pic']),
'lecturer' => $lecturer,
'avatar' => $avatar,
'lecturer_title' => $roleInfo['title'],
'lecturer_desc' => $roleInfo['desc'],
// 结束了回放
'play_url' => $playUrl,
// 是否有回放 true 有 false 无
'has_playback' => !empty($playUrl),
'push_total_time' => $mainDetail['push_total_time']
];
return true;
}
}