book_admin/application/admin/controller/Customqrcode.php

<?php

namespace app\admin\controller;

use app\common\controller\Backend;

use app\common\library\WeChatObject;
use app\common\utility\DiyQRCode;
use app\main\constants\CacheConstants;
use think\Controller;
use think\Request;
use app\common\library\Ssdb;
use think\Config;
use EasyWeChat\Factory;
use app\common\library\Redis;
use Symfony\Component\Cache\Simple\RedisCache;
use app\common\model\WechatResponse;

/**
 * 自定义二维码
 *
 * @icon fa fa-circle-o
 */
class Customqrcode extends Backend
{
    
    /**
     * CustomQrcode模型对象
     */
    protected $model = null;

    /**
     * 是否开启数据限制
     * 支持auth/personal
     * 表示按权限判断/仅限个人
     * 默认为禁用,若启用请务必保证表中存在admin_id字段
     */
    protected $dataLimit = 'personal';

    public function _initialize()
    {
        parent::_initialize();
        $this->model = model('CustomQrcode');
        $this->view->assign("typeList", $this->model->getTypeList());
    }
    
    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个方法
     * 因此在当前控制器中可不用编写增删改查的代码,如果需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

    /**
     * 查看
     */
    public function index()
    {
        $redis = Redis::instance();
        //设置过滤方法
        $this->request->filter(['strip_tags']);
        if ($this->request->isAjax())
        {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('pkey_name'))
            {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            $total = $this->model
                ->where($where)
                ->order($sort, $order)
                ->count();

            $list = $this->model
                ->where($where)
                ->order($sort, $order)
                ->limit($offset, $limit)
                ->select();
            foreach($list as $val){
                $val['url_list'] = DiyQRCode::getTplPath($val['url']);
                //有推广链接获取,推广链接信息
                if(intval($val['referral_id']) && intval($val['type']) == 3){
                    $ref = model('Referral')->where('id',$val['referral_id'])->find();
                    //累计阅读UV
                    $val['all_read_uv'] = $ref['uv'];
                    //当日阅读UV
                    $val['day_read_uv'] = (int)Redis::instance()->get(CacheConstants::getReadOfReferralIdKey($val['referral_id']));
                    //累计充值金额
                    $val['all_pay_money'] = $ref['money'];
                    //当日充值金额
                    $dayMTkey = "M-T:".$val['referral_id'].":".date("d");    //今日充值金额key
                    $val['day_pay_money'] = (int)Redis::instance()->get($dayMTkey)? round(Redis::instance()->get($dayMTkey) / 100, 2) :0;          //今日充值金额
                    //推广成本
                    $val['cost'] = $ref['cost'];
                }else{
                    $val['day_read_uv'] = 0;
                    $val['all_read_uv'] = 0;
                    $val['day_pay_money'] = 0;
                    $val['all_pay_money'] = sprintf("%.2f",0);
                    $val['cost'] = sprintf("%.2f",0);
                }
                $uv_key = "QR_UV:{$this->auth->id}:{$val['index']}";
                $uv = $redis->pfCount($uv_key);
                if( ($uv && !$val['uv']) || $uv > $val['uv']){
                    $val['uv'] = $uv;
                }
                $uv_per_day_key = "QR_UV:".date('Ymd').":{$this->auth->id}:{$val['index']}";
                $val['uv_per_day'] = $redis->pfCount($uv_per_day_key);
            }
            $result = array("total" => $total, "rows" => $list);

            return json($result);
        }
        return $this->view->fetch();
    }

    /**
     * 添加
     */
    public function add()
    {
        $channel_id = $this->auth->agent_id ? $this->auth->agent_id : $this->auth->channel_id;
        if ($this->request->isPost())
        {
            $params = $this->request->post("row/a");
            if ($params)
            {
                if ($this->dataLimit)
                {
                    $params[$this->dataLimitField] = $this->auth->id;
                }
                try
                {
                    //是否采用模型验证
                    if ($this->modelValidate)
                    {
                        $name = basename(str_replace('\\', '/', get_class($this->model)));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : true) : $this->modelValidate;
                        $this->model->validate($validate);
                    }
                    $params['index'] = $this->getLastQrCodeIndex($channel_id);
                    //生成二维码
                    $params['url'] = $this->createWechatQrCode($channel_id,$params['index']);
                    //如果使用模板,则根据模板创建二维码
                    if(isset($params['template_id']) && $params['template_id']){
                        DiyQRCode::createTplQRCode($params['url'],$params['template_id']);
                    }
                    $result = $this->model->allowField(true)->save($params);
                    if ($result !== false)
                    {
                        $this->success();
                    }
                    else
                    {
                        $this->error($this->model->getError());
                    }
                }
                catch (\think\exception\PDOException $e)
                {
                    $this->error($e->getMessage());
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        return $this->view->fetch();
    }

    /**
     * 获取自定义二维码索引
     * @param $channel_id
     * @return int
     */
    private function getLastQrCodeIndex($channel_id){
        $index = 1;
        $last_index = $this->model->field('index')->where(['admin_id'=>$channel_id])->order('`index` desc')->find();
        if($last_index){
            if($last_index['index'] >= 100000){
                //大于十万时检查,是否有被删除没有使用的索引
                $indexs = $this->model->where(['admin_id'=>$channel_id])->column('index');
                $full_index = range(1,100000);
                if($rep_indexs = array_diff($full_index, $indexs)){
                    return current($rep_indexs);
                }else{
                    $this->error(__('WeChat QRCode Max 100000'));
                }
            }
            $index = $last_index['index'] + 1;
        }
        return $index;
    }

    /**
     * 获取自定义二维码URL
     * @param $index
     * @return mixed
     */
    private function createWechatQrCode($channel_id,$index){
        $adminConfig = model('AdminConfig')->getAdminInfoAll($channel_id);
        $wechat = new WeChatObject($adminConfig);
        $officialAccount = $wechat->getOfficialAccount();
        $result = $officialAccount->qrcode->forever($index);
        if(empty($result) || isset($result['errcode'])){
            $this->error(__('Get WeChat QRCode Error'));
        }
        return $officialAccount->qrcode->url($result['ticket']);
    }

    /**
     * 编辑
     */
    public function edit($ids = NULL)
    {
        $row = $this->model->get($ids);
        if (!$row)
            $this->error(__('No Results were found'));
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds))
        {
            if (!in_array($row[$this->dataLimitField], $adminIds))
            {
                $this->error(__('You have no permission'));
            }
        }
        if ($this->request->isPost())
        {
            $params = $this->request->post("row/a");
            if ($params)
            {
                try
                {
                    //是否采用模型验证
                    if ($this->modelValidate)
                    {
                        $name = basename(str_replace('\\', '/', get_class($this->model)));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : true) : $this->modelValidate;
                        $row->validate($validate);
                    }
                    //如果模板不一致,生成新的模板
                    if(intval($params['template_id']) != $row['template_id'] && intval($params['template_id'])){
                        DiyQRCode::createTplQRCode($row['url'],$params['template_id']);
                    }
                    $result = $row->allowField(true)->save($params);
                    if ($result !== false)
                    {
                        $this->success();
                    }
                    else
                    {
                        $this->error($row->getError());
                    }
                }
                catch (\think\exception\PDOException $e)
                {
                    $this->error($e->getMessage());
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $response = WechatResponse::get(['eventkey' => $row['eventkey'], 'admin_id' => $this->auth->id]);
        $this->view->assign('qrcode_list',DiyQRCode::getTplPath($row['url']));
        $this->view->assign('referral_url',model('referral')->where('id',$row['referral_id'])->value('source_url'));
        $this->view->assign("response", $response);
        $this->view->assign("row", $row);
        $this->assignconfig('ids', $ids);
        return $this->view->fetch();
    }

    /**
     * 删除
     */
    public function del($ids = "")
    {
        if ($ids)
        {
            $pk = $this->model->getPk();
            $adminIds = $this->getDataLimitAdminIds();
            if (is_array($adminIds))
            {
                $count = $this->model->where($this->dataLimitField, 'in', $adminIds);
            }
            $list = $this->model->where($pk, 'in', $ids)->select();
            $count = 0;
            foreach ($list as $k => $v)
            {
                //删除二维码图片
                DiyQRCode::unlinkQRCode($v['url']);
                //删除Redis缓存
                $redis = Redis::instance();
                $redis->del("QR_UV:{$v['admin_id']}:{$v['index']}");
                //删除数据库
                $count += $v->delete();
            }
            if ($count)
            {
                $this->success();
            }
            else
            {
                $this->error(__('No rows were deleted'));
            }
        }
        $this->error(__('Parameter %s can not be empty', 'ids'));
    }

    /**
     * 创建二维码
     * @param $ids
     * @param $tpl_id
     * @throws \Exception
     */
    public function createimage($ids, $tpl_id)
    {
        if ($this->request->isPost())
        {
            if (empty($ids) || !is_numeric($ids) || empty($tpl_id) || !is_numeric($tpl_id)) {
                $this->error(__('Parameter %s can not be empty', ''));
            }

            $row = $this->model->get($ids);
            if (!$row)
                $this->error(__('No Results were found'));

            $adminIds = $this->getDataLimitAdminIds();
            if (is_array($adminIds))
            {
                if (!in_array($row[$this->dataLimitField], $adminIds))
                {
                    $this->error(__('You have no permission'));
                }
            }

            $url = $row['url'];

            $qrcode_save_path = ROOT_PATH.'public'.DIRECTORY_SEPARATOR.'uploads'.DIRECTORY_SEPARATOR.'qrcode'.DIRECTORY_SEPARATOR;
            if(file_exists($qrcode_save_path .md5($url.$tpl_id).'.png')){
                $imgUrl = cdnurl("/uploads/qrcode/" .md5($url.$tpl_id).'.png');
            } else {
                $imgUrl = DiyQRCode::createTplQRCode($url, $tpl_id);
            }

            $this->success('二维码图片生成成功', '', $imgUrl);
        }
    }

    /**
     * 下载二维码图片
     * @param $ids
     * @param $tpl_id
     */
    public function download($ids, $tpl_id)
    {
        if (empty($ids) || !is_numeric($ids)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }

        $row = $this->model->get($ids);
        if (!$row)
            $this->error(__('No Results were found'));


        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds))
        {
            if (!in_array($row[$this->dataLimitField], $adminIds))
            {
                $this->error(__('You have no permission'));
            }
        }

        $url = $row['url'];

        if ($tpl_id) {
            $imgUrl = DiyQRCode::getTplPath($url, $tpl_id);

            if (empty($imgUrl)) {
                $this->error(__('二维码图片不存在', ''));
            }
        } else {
            $imgUrl = DiyQRCode::createQRCodeByUrl($url);
        }

        header("Cache-Control: public");
        header('Content-disposition: attachment; filename='.basename($imgUrl)); //文件名
        header("Content-Transfer-Encoding: binary"); //告诉浏览器，这是二进制文件
        header('Content-Length: '. @filesize($imgUrl)); //告诉浏览器，文件大小
        @readfile($imgUrl);
    }

}