public function sendDataToMailByCron($campaign_id){
       
     $campaign = Campaign::findOrFail($campaign_id)->with(['domains','publishEmail.subscribers','template'])->get();
     
      try{
       // ini_set('max_execution_time',240);
       $sendData = array();
       $sentStatusUpdateId = array();
       $count = 1;

       $email_limit_set = 2000;
       if($campaign->domains->email_limit){
         //$email_limit_set = $campaign->domains->email_limit;
       }
  
       // query add in avariable
       $query = $campaign->publishEmail->where('sent_status','0')->take($email_limit_set);
      
       //here to data is not empty
       if(count($query) == 0 || is_null($query) || empty($query) ){
          return redirect('/campaign')->with('error','Publish Email Not Found ');
       }
       
       foreach($query as $key=> $publishEmail){
        
            $sendData[] = [
              'tbl_pub_ema_id'=> $publishEmail->subscriber_id,
              'from_emailid' =>$campaign->domains->domain_email,
              'to_name' =>$publishEmail->subscribers->name,
              'to_emailid' =>$publishEmail->subscribers->email,
              'subject' =>$campaign->subject,
              'body' =>$campaign->template->template,
             ];

             $sentStatusUpdateId[] =$publishEmail->id;
    
             if($count == 50){

                            
               PublishMailByCron::insert($sendData);

              
               dispatch(new MakeEmailCronJob($sendData))->delay(now()->addMinutes(1));
               
               Publish_Email::whereIn('id',$sentStatusUpdateId)->update(['sent_status'=>'1']);
              
               $count = 0;
               $sendData = array();
               $sentStatusUpdateId = array();
               
             }
           

         ++$count;
       }//for
       //insert remaining subscriber of last batch
      
       if(count($sendData) > 0){
           PublishMailByCron::insert($sendData);
           dispatch(new MakeEmailCronJob($sendData))->delay(now()->addMinutes(1));
               
           Publish_Email::whereIn('id',$sentStatusUpdateId)->update(['sent_status'=>'1']);
       }
      
     }catch(Exception $ex){
      
        return redirect()->back()->with('error',$ex->getMessage());
     }

     return redirect('/campaign')->with('success','Campaign was Publish');
   }