baoshi-was/app/Http/Controllers/QRCodeController.php

<?php

namespace App\Http\Controllers;

use App\UserDetail;
use App\UserToken;
use App\UserWorkgroup;
use App\Warehouse;
use Endroid\QrCode\QrCode;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;
use Ramsey\Uuid\Uuid;

class QRCodeController extends Controller
{
    public function goGetQRCode(){
        $warehouses=Warehouse::get();
        return view("personnel/checking-in/getQRcode",compact('warehouses'));
    }
    //二维码刷新时间
    public function qrCode_refresh_time($userWorkgroups,$beforeTime){
        $qrCode_refresh=config('hr.qrCode_refresh');
        if (!Cache::has('last_refresh_date') || Cache::get('last_refresh_date')<date('Y-m-d H:i:s')){
            $last_refresh_date=date('Y-m-d H:i:s',strtotime('+'.$qrCode_refresh.'second'));
            Cache::put('last_refresh_date',$last_refresh_date);
            return $this->flushQRCode($userWorkgroups);
        }
        if ($beforeTime==Cache::get('last_refresh_date')){
            $time=strtotime($beforeTime);
            //刷新 更新cache
            $last_refresh_date=date('Y-m-d H:i:s', strtotime('+'.$qrCode_refresh.'second', $time));
            Cache::put('last_refresh_date',$last_refresh_date);
            return $this->flushQRCode($userWorkgroups);
        }
        //每次刷新都标记一个cache 新建  每次刷新前判断这个标记时间
        //直接去本地获取二维码
        return $this->getQRCode($userWorkgroups);
    }
    //刷新二维码
    public function flushQRCode($userWorkgroups){
        foreach ($userWorkgroups as $userWorkgroup){
            $qrCode_refresh=config('hr.qrCode_refresh');
            if ($qrCode_refresh){
                $date=date('Y-m-d:H:i');
                $url=url("personnel/checking-in/userDutyCheck/clock?key=").$date;
                $url=$url."&&userWorkgroupID=".$userWorkgroup->id;
            }else{
                $url=url("personnel/checking-in/userDutyCheck/clock");
                $url=$url."?userWorkgroupID=".$userWorkgroup->id;
            }
            $qrCode=new QrCode($url);
            if ($userWorkgroup->id){
                $fileURL=base_path('public/images/QRCodeIMG/'.$userWorkgroup->id.'.png');
                $qrCode->writeFile($fileURL);
                $userWorkgroup->url=url('images/QRCodeIMG/'.$userWorkgroup->id.'.png').'?da='.Uuid::uuid1();
            }
        }
        return $userWorkgroups;
    }
    //获取二维码
    public function getQRCode($userWorkgroups){
        foreach ($userWorkgroups as $userWorkgroup){
            $qrCode_refresh_everyday=config('hr.qrCode_refresh_everyday');
            if ($qrCode_refresh_everyday){
                $date=md5(date('Y-m-d'));
                $url=url("personnel/checking-in/userDutyCheck/clock?key=").$date;
                $url=$url."&&userWorkgroupID=".$userWorkgroup->id;
            }else{
                $url=url("personnel/checking-in/userDutyCheck/clock");
                $url=$url."?userWorkgroupID=".$userWorkgroup->id;
            }
            $qrCode=new QrCode($url);
            if ($userWorkgroup->id){
                $fileURL=base_path('public/images/QRCodeIMG/'.$userWorkgroup->id.'.png');
                if (file_exists($fileURL)){
                    $userWorkgroup->url=url('images/QRCodeIMG/'.$userWorkgroup->id.'.png');
                    continue;
                }
                $qrCode->writeFile($fileURL);
                $userWorkgroup->url=url('images/QRCodeIMG/'.$userWorkgroup->id.'.png');
            }
        }
        return $userWorkgroups;


    }
    //进入刷新二维码页面
    public function refreshQRCode(Request $request){
        $beforeTime=$request->input('beforeTime');
        $warehouseId=$request->input('warehouseId');
        $userWorkgroups=UserWorkgroup::where('warehouse_id',$warehouseId)->get();
        $userWorkgroups=$this->qrCode_refresh_time($userWorkgroups,$beforeTime);
        if (!$userWorkgroups)return view('exception.404',['error'=>'未找到工作组！']);
        return ['userWorkgroups'=>$userWorkgroups,'last_refresh_date'=>Cache::get('last_refresh_date'),];
    }
    //第一次进入二维码显示页面
    public function QRCode(Request $request){
        $warehouseId=$request->input('warehouseId');
        $userWorkgroups=UserWorkgroup::where('warehouse_id',$warehouseId)->get();
        $beforeTime=date('Y-m-d H:i:s');
        $userWorkgroups=$this->qrCode_refresh_time($userWorkgroups,$beforeTime);
        Cache::forget('last_refresh_date');
        if (!$userWorkgroups)return view('exception.404',['error'=>'未找到工作组！']);
        return view('personnel/checking-in/QRcode',['warehouseId'=>$warehouseId,'userWorkgroups'=>$userWorkgroups,'last_refresh_date'=>Cache::get('last_refresh_date'),]);
    }
}