yueke/application/api/controller/coach/Lesson.php

<?php

namespace app\api\controller\coach;

use app\common\controller\Apic;
use think\Db;
/**
 * 售课
 */
class Lesson extends Apic
{
    // 无需登录的接口,*表示全部
    protected $noNeedLogin = [];
    // 无需鉴权的接口,*表示全部
    protected $noNeedRight = ['*'];

    //售课分类列表
    public function lesson_cate(){
        $list = Db::name('lesson_cate')->order('id asc')->select();
        $list = $this->list_lang($list,['name']);

        $this->success(1,$list);
    }

    //课时首页
    public function slot_list(){

        $date = input('date',date('Y-m-d'),'strtotime');
        $where = [
            'slot.starttime' => ['BETWEEN',[$date,$date+86399]],
        ];

        //课时
        $list = Db::name('lesson_slot')->alias('slot')
            ->field('slot.*,lesson.name,lesson.name_en,lesson.image,lesson.price')
            ->join('lesson','slot.lesson_id = lesson.id','LEFT')
            ->where($where);

        $list->where('find_in_set(:coach_ids,coach_ids)', ['coach_ids' => $this->auth->id]);

        $list = $list->order('slot.starttime asc')->select();
        if(empty($list)){
            $this->success(1,[]);
        }
        $list = list_domain_image($list,['image']);
        $list = $this->list_lang($list,['name']);


        foreach($list as $key => &$slot){

            //已报名数量，（包含已支付，已点名，没有冲突）
            $pay_number = Db::name('lesson_order')->alias('order')
                ->field('order.id,user.avatar,order.usernumber')
                ->join('user','order.user_id = user.id','LEFT')
                ->where('order.slot_id',$slot['id'])
                ->where('order.order_status','IN',[10,20])
                ->select();
            $pay_number = list_domain_image($pay_number,['avatar']);

            $slot['usernumber'] = array_sum(array_column($pay_number,'usernumber'));
            $slot['useravatar'] = array_column($pay_number,'avatar');
        }

        $this->success(1,$list);
    }

    //课时详情
    public function slot_info(){
        $slot_id = input('slot_id',0);

        //课时
        $info = Db::name('lesson_slot')->alias('slot')
            ->field('slot.*,lesson.name,lesson.name_en,lesson.image,lesson.price')
            ->join('lesson','slot.lesson_id = lesson.id','LEFT')
            ->where('slot.id',$slot_id)->find();

        $info = info_domain_image($info,['image']);
        $info = $this->info_lang($info,['name']);

        //已报名数量，（包含已支付，已点名，没有冲突）
        $pay_number = Db::name('lesson_order')->alias('order')
            ->field('order.id,user.avatar,order.usernumber,order.usernumber_sign')
            ->join('user','order.user_id = user.id','LEFT')
            ->where('order.slot_id',$info['id'])
            ->where('order.order_status','IN',[10,20])
            ->select();
        $pay_number = list_domain_image($pay_number,['avatar']);

        $info['usernumber'] = array_sum(array_column($pay_number,'usernumber'));

        $info['user_list'] = $pay_number;


        $this->success(1,$info);
    }

    //课时申请报名
    public function slot_sign(){
        $this->apiLimit();

        $slot_id = input('slot_id',0,'intval');
        $signdata  = input('signdata','','htmlspecialchars_decode');
        $signdata  = json_decode($signdata,true);

        //测试
        /*$signdata = [
            6 => 1,
            7 => 2,
        ];*/


        //检查课时状态
        $slot_info = Db::name('lesson_slot')->where('id',$slot_id)->find();
        if($slot_info['status'] == 20){
            $this->error('此课程已经点过名了');
        }
        if($slot_info['status'] != 0){
            $this->error('此课程不能提交点名');
        }

        //检查报名单数据
        //逐个检查报名单，对比数量和状态。并保存
        Db::startTrans();
        $order_list = Db::name('lesson_order')->where('slot_id',$slot_id)->where('order_status',10)->order('id asc')->lock(true)->select();
        if(count($order_list) != count($signdata)){
            Db::rollback();
            $this->error('点名数据错误');
        }
        if(empty($order_list)){
            Db::rollback();
            $this->error('无人报名,请直接取消课程');
        }
        foreach($order_list as $order){
            if(!isset($signdata[$order['id']])){
                Db::rollback();
                $this->error('点名数据错误');
            }
            $usernumber_sign = $signdata[$order['id']];

            if($usernumber_sign < 0 || $usernumber_sign > $order['usernumber']){
                Db::rollback();
                $this->error('点名数据错误');
            }

            $update = [
                'usernumber_sign' => $usernumber_sign,
                'order_status'    => 20,
                'finishtime'    => time(),
            ];
            $rs_sign = Db::name('lesson_order')->where('id',$order['id'])->update($update);
            if($rs_sign === false){
                Db::rollback();
                $this->error('点名失败');
            }
        }

        //修改课时状态
        $update = [
            'status'        => 20,
            'finishtime'    => time(),
        ];
        $slot_rs = Db::name('lesson_slot')->where('id',$slot_id)->update($update);
        if($slot_rs === false){
            Db::rollback();
            $this->error('点名失败');
        }

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

    //我的课时记录,点过名的
    public function my_slot_history(){
        $date = input('date',date('Y-m-d'),'strtotime');
        $lesson_id = input('lesson_id',0);

        $where = [
            'slot.starttime' => ['BETWEEN',[$date,$date+86399]],
            'slot.status' => 20,
        ];
        if($lesson_id){
            $where['slot.lesson_id'] = $lesson_id;
        }
        //课时
        $list = Db::name('lesson_slot')->alias('slot')
            ->field('slot.*,lesson.name,lesson.name_en')
            ->join('lesson','slot.lesson_id = lesson.id','LEFT')
            ->where('slot.status',20);

        $list->where('find_in_set(:coach_ids,coach_ids)', ['coach_ids' => $this->auth->id]);

        $list = $list->order('slot.starttime asc')->select();
        if(empty($list)){
            $this->success(1,[]);
        }
        $list = $this->list_lang($list,['name']);

        foreach($list as $key => &$slot){

            //已报名数量
            $pay_number = Db::name('lesson_order')->where('slot_id',$slot['id'])->where('order_status',20)->sum('usernumber');
            $slot['usernumber'] = $pay_number;
        }

        $this->success(1,$list);
    }

}