tken/application/api/controller/Livebc.php

<?php

namespace app\api\controller;

use app\common\controller\Api;
use think\Db;
/**
 * 视频直播间
 */
class Livebc extends Api
{
    protected $noNeedLogin = [];
    protected $noNeedRight = ['*'];

    //直播列表
    public function lists(){
        $type_id = input('type_id','');

        $map = [
            'livebc.is_online' => 1,
        ];
        if(!empty($type_id)){
            $map['livebc.type_id'] = $type_id;
        }

        $list = Db::name('livebc')->alias('livebc')->field('livebc.id,livebc.user_id,livebc.type_id,livebc.title,livebc.cityname,livebc.room_no,user.nickname,user.avatar')
            ->join('user','livebc.user_id = user.id','LEFT')
            ->where($map)
            ->autopage()->select();

        $list = list_domain_image($list,['avatar']);

        $this->success('success',$list);
    }

    //直播间详情
    public function info(){
        $id = input('id',0);
        if(empty($id)){
            $this->error();
        }

        $map = [
            'livebc.id' => $id,
        ];
        $info = Db::name('livebc')->alias('livebc')->field('livebc.id,livebc.user_id,livebc.type_id,livebc.title,livebc.cityname,livebc.room_no,user.nickname,user.avatar')
            ->join('user','livebc.user_id = user.id','LEFT')
            ->where($map)
            ->find();

        if(!empty($info)){
            $map = [
                'uid' => $this->auth->id,
                'follow_uid' => $info['user_id'],
            ];
            $is_follow = Db::name('user_follow')->where($map)->find();
            $info['is_follow'] = $is_follow ? 1 : 0;

            $info = info_domain_image($info,['avatar']);
        }

        $this->success('success',$info);
    }

    //开播
    public function start(){
        $type_id = input('type_id','');
        $title   = input('title','');
        $room_no = input('room_no','');
        $cityname = input('cityname','');

        if(empty($type_id) || empty($title) || empty($room_no)){
            $this->error();
        }

        $data = [
            'type_id' => $type_id,
            'title'   => $title,
            'room_no' => $room_no,
            'cityname' => $cityname,
            'is_online' => 1,
            'updatetime' => time(),
        ];

        Db::startTrans();
        $find = Db::name('livebc')->where('user_id',$this->auth->id)->lock(true)->find();
        if($find){
            $rs = Db::name('livebc')->where('id',$find['id'])->update($data);
        }else{
            $data['user_id'] = $this->auth->id;
            $data['createtime'] = time();
            $rs = Db::name('livebc')->insertGetId($data);
        }
        if($rs === false){
            Db::rollback();
            $this->error('开播失败');
        }
        //修改用户表直播状态
        $rs_user = Db::name('user')->where('id',$this->auth->id)->update(['is_livebc' => 1]);
        if($rs_user === false){
            Db::rollback();
            $this->error('开播失败');
        }

        Db::commit();
        $this->success('success');
    }

    //直播送礼物
    public function givegift() {
        // 接口防并发
        /*if (!$this->apiLimit(1, 1000)) {
            $this->error(__('Operation frequently'));
        }*/

        $user_id = input('user_id');// 赠送对象
        $gift_id = input('gift_id');// 礼物ID

        if (!$user_id || !$gift_id )
        {
            $this->error();
        }

        // 不可以赠送给自己
        if($this->auth->id == $user_id)
        {
            $this->error("不可以赠送给自己");
        }

        // 获取礼物信息
        $giftinfo = Db::name('gift')->where('id',$gift_id)->find();
        if (!$giftinfo)
        {
            $this->error("请选择礼物");
        }

        //被赠送人信息
        $touserinfo = Db::name('user')->where('id',$user_id)->find();
        if (!$touserinfo)
        {
            $this->error("不存在的用户");
        }

        // 判断当前用户余额
        $user_gold = model('wallet')->getWallet($this->auth->id,'gold');
        if($user_gold < $giftinfo['value'])
        {
            $this->error("您的金币余额不足");
        }


        Db::startTrans();


        // 添加礼物赠送记录表
        $data = [
            'user_id' => $this->auth->id,
            'user_to_id' => $user_id,
            'gift_id' => $giftinfo['id'],
            'gift_name' => $giftinfo['name'],
            'number' => 1,
            'price' => $giftinfo['value'],
            'createtime' => time(),
        ];
        $log_id = Db::name('gift_user_livebc')->insertGetId($data);
        if(!$log_id){
            Db::rollback();
            $this->error('赠送失败');
        }


        if($giftinfo['value'] > 0){

            // 扣除当前用户余额
            $wallet_rs = model('wallet')->lockChangeAccountRemain($this->auth->id,'gold',-$giftinfo['value'],55,'赠送礼物:'.$giftinfo["name"],'gift_user_typing',$log_id);
            if($wallet_rs['status'] === false){
                Db::rollback();
                $this->error($wallet_rs['msg']);
            }

            // 添加赠送用户声币余额
            $money_to_gold = config('site.money_to_gold');
            $gift_plat_scale = config('site.gift_plat_scale');

            $giftmoney = bcdiv($giftinfo['value'],$money_to_gold,2);

            $money = bcdiv(bcmul($giftmoney,100 - $gift_plat_scale,2),100,2);
            $wallet_rs = model('wallet')->lockChangeAccountRemain($user_id,'money',$money,56,'获得礼物:'.$giftinfo["name"],'gift_user_typing',$log_id);
            if($wallet_rs['status'] === false){
                Db::rollback();
                $this->error($wallet_rs['msg']);
            }
        }


        Db::commit();
        $this->success('赠送成功');

    }

}